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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include "i18npool/mslangid.hxx"
#include "rtl/tencinfo.h"
#include "rtl/logfile.hxx"
#include "tools/debug.hxx"
#include "tools/poly.hxx"
#include "basegfx/polygon/b2dpolygon.hxx"
#include "basegfx/polygon/b2dpolypolygon.hxx"
#include "basegfx/matrix/b2dhommatrix.hxx"
#include "vcl/metric.hxx"
#include "vcl/metaact.hxx"
#include "vcl/gdimtf.hxx"
#include "vcl/virdev.hxx"
#include "vcl/print.hxx"
#include "vcl/event.hxx"
#include "vcl/window.hxx"
#include "vcl/svapp.hxx"
#include "vcl/bmpacc.hxx"
#include "vcl/outdev.hxx"
#include "vcl/edit.hxx"
// declare system types in sysdata.hxx
#include <svsys.h>
#include "vcl/sysdata.hxx"
#include "vcl/unohelp.hxx"
#include "vcl/controllayout.hxx"
#include "salgdi.hxx"
#include "sallayout.hxx"
#include "svdata.hxx"
#include "impfont.hxx"
#include "outdata.hxx"
#include "outfont.hxx"
#include "outdev.h"
#include "textlayout.hxx"
#include "svids.hrc"
#include "window.h"
#include "unotools/fontcvt.hxx"
#include "unotools/fontcfg.hxx"
#include "osl/file.h"
#ifdef ENABLE_GRAPHITE
#include "graphite_features.hxx"
#endif
#ifdef USE_BUILTIN_RASTERIZER
#include "glyphcache.hxx"
#endif
#include "pdfwriter_impl.hxx"
#include "com/sun/star/beans/PropertyValues.hpp"
#include "com/sun/star/i18n/XBreakIterator.hpp"
#include "com/sun/star/i18n/WordType.hpp"
#include "com/sun/star/linguistic2/XLinguServiceManager.hpp"
#if defined UNX
#define GLYPH_FONT_HEIGHT 128
#elif defined OS2
#define GLYPH_FONT_HEIGHT 176
#else
#define GLYPH_FONT_HEIGHT 256
#endif
#include "sal/alloca.h"
#include <cmath>
#include <cstring>
#include <memory>
#include <algorithm>
// =======================================================================
DBG_NAMEEX( OutputDevice )
DBG_NAMEEX( Font )
// =======================================================================
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::rtl;
using namespace ::vcl;
using namespace ::utl;
// =======================================================================
#define TEXT_DRAW_ELLIPSIS (TEXT_DRAW_ENDELLIPSIS | TEXT_DRAW_PATHELLIPSIS | TEXT_DRAW_NEWSELLIPSIS)
// =======================================================================
#define UNDERLINE_LAST UNDERLINE_BOLDWAVE
#define STRIKEOUT_LAST STRIKEOUT_X
// =======================================================================
static void ImplRotatePos( long nOriginX, long nOriginY, long& rX, long& rY,
int nOrientation )
{
if ( (nOrientation >= 0) && !(nOrientation % 900) )
{
if ( (nOrientation >= 3600) )
nOrientation %= 3600;
if ( nOrientation )
{
rX -= nOriginX;
rY -= nOriginY;
if ( nOrientation == 900 )
{
long nTemp = rX;
rX = rY;
rY = -nTemp;
}
else if ( nOrientation == 1800 )
{
rX = -rX;
rY = -rY;
}
else /* ( nOrientation == 2700 ) */
{
long nTemp = rX;
rX = -rY;
rY = nTemp;
}
rX += nOriginX;
rY += nOriginY;
}
}
else
{
double nRealOrientation = nOrientation*F_PI1800;
double nCos = cos( nRealOrientation );
double nSin = sin( nRealOrientation );
// Translation...
long nX = rX-nOriginX;
long nY = rY-nOriginY;
// Rotation...
rX = +((long)(nCos*nX + nSin*nY)) + nOriginX;
rY = -((long)(nSin*nX - nCos*nY)) + nOriginY;
}
}
// =======================================================================
void OutputDevice::ImplUpdateFontData( bool bNewFontLists )
{
// the currently selected logical font is no longer needed
if ( mpFontEntry )
{
mpFontCache->Release( mpFontEntry );
mpFontEntry = NULL;
}
mbInitFont = true;
mbNewFont = true;
if ( bNewFontLists )
{
if ( mpGetDevFontList )
{
delete mpGetDevFontList;
mpGetDevFontList = NULL;
}
if ( mpGetDevSizeList )
{
delete mpGetDevSizeList;
mpGetDevSizeList = NULL;
}
// release all physically selected fonts on this device
if( ImplGetGraphics() )
mpGraphics->ReleaseFonts();
}
if ( GetOutDevType() == OUTDEV_PRINTER || mpPDFWriter )
{
ImplSVData* pSVData = ImplGetSVData();
if( mpFontCache && mpFontCache != pSVData->maGDIData.mpScreenFontCache )
mpFontCache->Invalidate();
if ( bNewFontLists )
{
// we need a graphics
if ( ImplGetGraphics() )
{
if( mpFontList && mpFontList != pSVData->maGDIData.mpScreenFontList )
mpFontList->Clear();
if( mpPDFWriter )
{
if( mpFontList && mpFontList != pSVData->maGDIData.mpScreenFontList )
delete mpFontList;
if( mpFontCache && mpFontCache != pSVData->maGDIData.mpScreenFontCache )
delete mpFontCache;
mpFontList = mpPDFWriter->filterDevFontList( pSVData->maGDIData.mpScreenFontList );
mpFontCache = new ImplFontCache( sal_False );
}
else
{
if( mpOutDevData )
mpOutDevData->maDevFontSubst.Clear();
mpGraphics->GetDevFontList( mpFontList );
mpGraphics->GetDevFontSubstList( this );
}
}
}
}
// also update child windows if needed
if ( GetOutDevType() == OUTDEV_WINDOW )
{
Window* pChild = ((Window*)this)->mpWindowImpl->mpFirstChild;
while ( pChild )
{
pChild->ImplUpdateFontData( true );
pChild = pChild->mpWindowImpl->mpNext;
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplUpdateAllFontData( bool bNewFontLists )
{
ImplSVData* pSVData = ImplGetSVData();
// update all windows
Window* pFrame = pSVData->maWinData.mpFirstFrame;
while ( pFrame )
{
pFrame->ImplUpdateFontData( bNewFontLists );
Window* pSysWin = pFrame->mpWindowImpl->mpFrameData->mpFirstOverlap;
while ( pSysWin )
{
pSysWin->ImplUpdateFontData( bNewFontLists );
pSysWin = pSysWin->mpWindowImpl->mpNextOverlap;
}
pFrame = pFrame->mpWindowImpl->mpFrameData->mpNextFrame;
}
// update all virtual devices
VirtualDevice* pVirDev = pSVData->maGDIData.mpFirstVirDev;
while ( pVirDev )
{
pVirDev->ImplUpdateFontData( bNewFontLists );
pVirDev = pVirDev->mpNext;
}
// update all printers
Printer* pPrinter = pSVData->maGDIData.mpFirstPrinter;
while ( pPrinter )
{
pPrinter->ImplUpdateFontData( bNewFontLists );
pPrinter = pPrinter->mpNext;
}
// clear global font lists to have them updated
pSVData->maGDIData.mpScreenFontCache->Invalidate();
if ( bNewFontLists )
{
pSVData->maGDIData.mpScreenFontList->Clear();
pFrame = pSVData->maWinData.mpFirstFrame;
if ( pFrame )
{
if ( pFrame->ImplGetGraphics() )
// MT: Stupid typecast here and somewhere ((OutputDevice*)&aVDev)->, because bug in .NET2002 compiler.
((OutputDevice*)pFrame)->mpGraphics->GetDevFontList( pFrame->mpWindowImpl->mpFrameData->mpFontList );
}
}
}
// =======================================================================
// =======================================================================
// TODO: remove this method when the CWS-gfbfcfg dust has settled
void ImplFreeOutDevFontData()
{}
// =======================================================================
void OutputDevice::BeginFontSubstitution()
{
ImplSVData* pSVData = ImplGetSVData();
pSVData->maGDIData.mbFontSubChanged = sal_False;
}
// -----------------------------------------------------------------------
void OutputDevice::EndFontSubstitution()
{
ImplSVData* pSVData = ImplGetSVData();
if ( pSVData->maGDIData.mbFontSubChanged )
{
ImplUpdateAllFontData( false );
Application* pApp = GetpApp();
DataChangedEvent aDCEvt( DATACHANGED_FONTSUBSTITUTION );
pApp->DataChanged( aDCEvt );
pApp->NotifyAllWindows( aDCEvt );
pSVData->maGDIData.mbFontSubChanged = sal_False;
}
}
// -----------------------------------------------------------------------
void OutputDevice::AddFontSubstitute( const XubString& rFontName,
const XubString& rReplaceFontName,
sal_uInt16 nFlags )
{
ImplDirectFontSubstitution*& rpSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
if( !rpSubst )
rpSubst = new ImplDirectFontSubstitution();
rpSubst->AddFontSubstitute( rFontName, rReplaceFontName, nFlags );
ImplGetSVData()->maGDIData.mbFontSubChanged = sal_True;
}
// -----------------------------------------------------------------------
void ImplDirectFontSubstitution::AddFontSubstitute( const String& rFontName,
const String& rSubstFontName, sal_uInt16 nFlags )
{
maFontSubstList.push_back( ImplFontSubstEntry( rFontName, rSubstFontName, nFlags ) );
}
// -----------------------------------------------------------------------
ImplFontSubstEntry::ImplFontSubstEntry( const String& rFontName,
const String& rSubstFontName, sal_uInt16 nSubstFlags )
: maName( rFontName )
, maReplaceName( rSubstFontName )
, mnFlags( nSubstFlags )
{
maSearchName = rFontName;
maSearchReplaceName = rSubstFontName;
GetEnglishSearchFontName( maSearchName );
GetEnglishSearchFontName( maSearchReplaceName );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplAddDevFontSubstitute( const XubString& rFontName,
const XubString& rReplaceFontName,
sal_uInt16 nFlags )
{
ImplInitOutDevData();
mpOutDevData->maDevFontSubst.AddFontSubstitute( rFontName, rReplaceFontName, nFlags );
}
// -----------------------------------------------------------------------
void OutputDevice::RemoveFontSubstitute( sal_uInt16 n )
{
ImplDirectFontSubstitution* pSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
if( pSubst )
pSubst->RemoveFontSubstitute( n );
}
// -----------------------------------------------------------------------
void ImplDirectFontSubstitution::RemoveFontSubstitute( int nIndex )
{
FontSubstList::iterator it = maFontSubstList.begin();
for( int nCount = 0; (it != maFontSubstList.end()) && (nCount++ != nIndex); ++it ) ;
if( it != maFontSubstList.end() )
maFontSubstList.erase( it );
}
// -----------------------------------------------------------------------
sal_uInt16 OutputDevice::GetFontSubstituteCount()
{
const ImplDirectFontSubstitution* pSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
if( !pSubst )
return 0;
int nCount = pSubst->GetFontSubstituteCount();
return (sal_uInt16)nCount;
}
// -----------------------------------------------------------------------
void OutputDevice::GetFontSubstitute( sal_uInt16 n,
XubString& rFontName,
XubString& rReplaceFontName,
sal_uInt16& rFlags )
{
const ImplDirectFontSubstitution* pSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
if( pSubst )
pSubst->GetFontSubstitute( n, rFontName, rReplaceFontName, rFlags );
}
// -----------------------------------------------------------------------
bool ImplDirectFontSubstitution::GetFontSubstitute( int nIndex,
String& rFontName, String& rSubstFontName, sal_uInt16& rFlags ) const
{
FontSubstList::const_iterator it = maFontSubstList.begin();
for( int nCount = 0; (it != maFontSubstList.end()) && (nCount++ != nIndex); ++it ) ;
if( it == maFontSubstList.end() )
return false;
const ImplFontSubstEntry* pEntry = &(*it);
rFontName = pEntry->maName;
rSubstFontName = pEntry->maReplaceName;
rFlags = pEntry->mnFlags;
return true;
}
// -----------------------------------------------------------------------
bool ImplDirectFontSubstitution::FindFontSubstitute( String& rSubstName,
const String& rSearchName, sal_uInt16 nFlags ) const
{
// TODO: get rid of O(N) searches
FontSubstList::const_iterator it = maFontSubstList.begin();
for(; it != maFontSubstList.end(); ++it )
{
const ImplFontSubstEntry& rEntry = *it;
if( ((rEntry.mnFlags & nFlags) || !nFlags)
&& (rEntry.maSearchName == rSearchName) )
{
rSubstName = rEntry.maSearchReplaceName;
return true;
}
}
return false;
}
// -----------------------------------------------------------------------
static void ImplFontSubstitute( String& rFontName,
sal_uInt16 nFlags, ImplDirectFontSubstitution* pDevSpecific )
{
#ifdef DBG_UTIL
String aTempName = rFontName;
GetEnglishSearchFontName( aTempName );
DBG_ASSERT( aTempName == rFontName, "ImplFontSubstitute() called without a searchname" );
#endif
String aSubstFontName;
// apply user-configurable font replacement (eg, from the list in Tools->Options)
const ImplDirectFontSubstitution* pSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
if( pSubst && pSubst->FindFontSubstitute( aSubstFontName, rFontName, FONT_SUBSTITUTE_ALWAYS ) )
{
rFontName = aSubstFontName;
return;
}
// apply device specific font replacement (e.g. to use printer builtin fonts)
if( !pDevSpecific )
return;
if( pDevSpecific->FindFontSubstitute( aSubstFontName, rFontName, nFlags ) )
{
rFontName = aSubstFontName;
return;
}
}
// -----------------------------------------------------------------------
Font OutputDevice::GetDefaultFont( sal_uInt16 nType, LanguageType eLang,
sal_uLong nFlags, const OutputDevice* pOutDev )
{
DBG_TRACE( "OutputDevice::GetDefaultFont()" );
com::sun::star::lang::Locale aLocale;
if( eLang == LANGUAGE_NONE || eLang == LANGUAGE_SYSTEM || eLang == LANGUAGE_DONTKNOW )
{
aLocale = Application::GetSettings().GetUILocale();
}
else
{
MsLangId::convertLanguageToLocale( eLang, aLocale );
}
utl::DefaultFontConfiguration& rDefaults = *utl::DefaultFontConfiguration::get();
String aSearch = rDefaults.getUserInterfaceFont( aLocale ); // ensure a fallback
String aDefault = rDefaults.getDefaultFont( aLocale, nType );
if( aDefault.Len() )
aSearch = aDefault;
int nDefaultHeight = 12;
Font aFont;
aFont.SetPitch( PITCH_VARIABLE );
switch ( nType )
{
case DEFAULTFONT_SANS_UNICODE:
case DEFAULTFONT_UI_SANS:
aFont.SetFamily( FAMILY_SWISS );
break;
case DEFAULTFONT_SANS:
case DEFAULTFONT_LATIN_HEADING:
case DEFAULTFONT_LATIN_SPREADSHEET:
case DEFAULTFONT_LATIN_DISPLAY:
aFont.SetFamily( FAMILY_SWISS );
break;
case DEFAULTFONT_SERIF:
case DEFAULTFONT_LATIN_TEXT:
case DEFAULTFONT_LATIN_PRESENTATION:
aFont.SetFamily( FAMILY_ROMAN );
break;
case DEFAULTFONT_FIXED:
case DEFAULTFONT_LATIN_FIXED:
case DEFAULTFONT_UI_FIXED:
aFont.SetPitch( PITCH_FIXED );
aFont.SetFamily( FAMILY_MODERN );
break;
case DEFAULTFONT_SYMBOL:
aFont.SetCharSet( RTL_TEXTENCODING_SYMBOL );
break;
case DEFAULTFONT_CJK_TEXT:
case DEFAULTFONT_CJK_PRESENTATION:
case DEFAULTFONT_CJK_SPREADSHEET:
case DEFAULTFONT_CJK_HEADING:
case DEFAULTFONT_CJK_DISPLAY:
aFont.SetFamily( FAMILY_SYSTEM ); // don't care, but don't use font subst config later...
break;
case DEFAULTFONT_CTL_TEXT:
case DEFAULTFONT_CTL_PRESENTATION:
case DEFAULTFONT_CTL_SPREADSHEET:
case DEFAULTFONT_CTL_HEADING:
case DEFAULTFONT_CTL_DISPLAY:
aFont.SetFamily( FAMILY_SYSTEM ); // don't care, but don't use font subst config later...
break;
}
if ( aSearch.Len() )
{
aFont.SetHeight( nDefaultHeight );
aFont.SetWeight( WEIGHT_NORMAL );
aFont.SetLanguage( eLang );
if ( aFont.GetCharSet() == RTL_TEXTENCODING_DONTKNOW )
aFont.SetCharSet( gsl_getSystemTextEncoding() );
// Should we only return available fonts on the given device
if ( pOutDev )
{
pOutDev->ImplInitFontList();
// Search Font in the FontList
String aName;
String aSearchName;
xub_StrLen nIndex = 0;
do
{
aSearchName = GetNextFontToken( aSearch, nIndex );
GetEnglishSearchFontName( aSearchName );
ImplDevFontListData* pFontFamily = pOutDev->mpFontList->ImplFindBySearchName( aSearchName );
if( pFontFamily )
{
AddTokenFontName( aName, pFontFamily->GetFamilyName() );
if( nFlags & DEFAULTFONT_FLAGS_ONLYONE )
break;
}
}
while ( nIndex != STRING_NOTFOUND );
aFont.SetName( aName );
}
// No Name, than set all names
if ( !aFont.GetName().Len() )
{
xub_StrLen nIndex = 0;
if ( nFlags & DEFAULTFONT_FLAGS_ONLYONE )
{
//aFont.SetName( aSearch.GetToken( 0, ';', nIndex ) );
if( !pOutDev )
pOutDev = (const OutputDevice *)ImplGetSVData()->mpDefaultWin;
if( !pOutDev )
aFont.SetName( aSearch.GetToken( 0, ';', nIndex ) );
else
{
pOutDev->ImplInitFontList();
aFont.SetName( aSearch );
// convert to pixel height
Size aSize = pOutDev->ImplLogicToDevicePixel( aFont.GetSize() );
if ( !aSize.Height() )
{
// use default pixel height only when logical height is zero
if ( aFont.GetHeight() )
aSize.Height() = 1;
else
aSize.Height() = (12*pOutDev->mnDPIY)/72;
}
// use default width only when logical width is zero
if( (0 == aSize.Width()) && (0 != aFont.GetSize().Width()) )
aSize.Width() = 1;
// get the name of the first available font
float fExactHeight = static_cast<float>(aSize.Height());
ImplFontEntry* pEntry = pOutDev->mpFontCache->GetFontEntry( pOutDev->mpFontList, aFont, aSize, fExactHeight, pOutDev->mpOutDevData ? &pOutDev->mpOutDevData->maDevFontSubst : NULL );
if( pEntry->maFontSelData.mpFontData )
aFont.SetName( pEntry->maFontSelData.mpFontData->maName );
else
aFont.SetName( pEntry->maFontSelData.maTargetName );
}
}
else
aFont.SetName( aSearch );
}
}
#if OSL_DEBUG_LEVEL > 2
const char* s = "DEFAULTFONT_SANS_UNKNOWN";
switch ( nType )
{
case DEFAULTFONT_SANS_UNICODE: s = "DEFAULTFONT_SANS_UNICODE"; break;
case DEFAULTFONT_UI_SANS: s = "DEFAULTFONT_UI_SANS"; break;
case DEFAULTFONT_SANS: s = "DEFAULTFONT_SANS"; break;
case DEFAULTFONT_LATIN_HEADING: s = "DEFAULTFONT_LATIN_HEADING"; break;
case DEFAULTFONT_LATIN_SPREADSHEET: s = "DEFAULTFONT_LATIN_SPREADSHEET"; break;
case DEFAULTFONT_LATIN_DISPLAY: s = "DEFAULTFONT_LATIN_DISPLAY"; break;
case DEFAULTFONT_SERIF: s = "DEFAULTFONT_SERIF"; break;
case DEFAULTFONT_LATIN_TEXT: s = "DEFAULTFONT_LATIN_TEXT"; break;
case DEFAULTFONT_LATIN_PRESENTATION: s = "DEFAULTFONT_LATIN_PRESENTATION"; break;
case DEFAULTFONT_FIXED: s = "DEFAULTFONT_FIXED"; break;
case DEFAULTFONT_LATIN_FIXED: s = "DEFAULTFONT_LATIN_FIXED"; break;
case DEFAULTFONT_UI_FIXED: s = "DEFAULTFONT_UI_FIXED"; break;
case DEFAULTFONT_SYMBOL: s = "DEFAULTFONT_SYMBOL"; break;
case DEFAULTFONT_CJK_TEXT: s = "DEFAULTFONT_CJK_TEXT"; break;
case DEFAULTFONT_CJK_PRESENTATION: s = "DEFAULTFONT_CJK_PRESENTATION"; break;
case DEFAULTFONT_CJK_SPREADSHEET: s = "DEFAULTFONT_CJK_SPREADSHEET"; break;
case DEFAULTFONT_CJK_HEADING: s = "DEFAULTFONT_CJK_HEADING"; break;
case DEFAULTFONT_CJK_DISPLAY: s = "DEFAULTFONT_CJK_DISPLAY"; break;
case DEFAULTFONT_CTL_TEXT: s = "DEFAULTFONT_CTL_TEXT"; break;
case DEFAULTFONT_CTL_PRESENTATION: s = "DEFAULTFONT_CTL_PRESENTATION"; break;
case DEFAULTFONT_CTL_SPREADSHEET: s = "DEFAULTFONT_CTL_SPREADSHEET"; break;
case DEFAULTFONT_CTL_HEADING: s = "DEFAULTFONT_CTL_HEADING"; break;
case DEFAULTFONT_CTL_DISPLAY: s = "DEFAULTFONT_CTL_DISPLAY"; break;
}
fprintf( stderr, " OutputDevice::GetDefaultFont() Type=\"%s\" lang=%d flags=%ld FontName=\"%s\"\n",
s, eLang, nFlags,
OUStringToOString( aFont.GetName(), RTL_TEXTENCODING_UTF8 ).getStr()
);
#endif
return aFont;
}
// =======================================================================
static unsigned ImplIsCJKFont( const String& rFontName )
{
// Test, if Fontname includes CJK characters --> In this case we
// mention that it is a CJK font
const sal_Unicode* pStr = rFontName.GetBuffer();
while ( *pStr )
{
// japanese
if ( ((*pStr >= 0x3040) && (*pStr <= 0x30FF)) ||
((*pStr >= 0x3190) && (*pStr <= 0x319F)) )
return IMPL_FONT_ATTR_CJK|IMPL_FONT_ATTR_CJK_JP;
// korean
if ( ((*pStr >= 0xAC00) && (*pStr <= 0xD7AF)) ||
((*pStr >= 0x3130) && (*pStr <= 0x318F)) ||
((*pStr >= 0x1100) && (*pStr <= 0x11FF)) )
return IMPL_FONT_ATTR_CJK|IMPL_FONT_ATTR_CJK_KR;
// chinese
if ( ((*pStr >= 0x3400) && (*pStr <= 0x9FFF)) )
return IMPL_FONT_ATTR_CJK|IMPL_FONT_ATTR_CJK_TC|IMPL_FONT_ATTR_CJK_SC;
// cjk
if ( ((*pStr >= 0x3000) && (*pStr <= 0xD7AF)) ||
((*pStr >= 0xFF00) && (*pStr <= 0xFFEE)) )
return IMPL_FONT_ATTR_CJK;
pStr++;
}
return 0;
}
// -----------------------------------------------------------------------
static void ImplCalcType( sal_uLong& rType, FontWeight& rWeight, FontWidth& rWidth,
FontFamily eFamily, const FontNameAttr* pFontAttr )
{
if ( eFamily != FAMILY_DONTKNOW )
{
if ( eFamily == FAMILY_SWISS )
rType |= IMPL_FONT_ATTR_SANSSERIF;
else if ( eFamily == FAMILY_ROMAN )
rType |= IMPL_FONT_ATTR_SERIF;
else if ( eFamily == FAMILY_SCRIPT )
rType |= IMPL_FONT_ATTR_SCRIPT;
else if ( eFamily == FAMILY_MODERN )
rType |= IMPL_FONT_ATTR_FIXED;
else if ( eFamily == FAMILY_DECORATIVE )
rType |= IMPL_FONT_ATTR_DECORATIVE;
}
if ( pFontAttr )
{
rType |= pFontAttr->Type;
if ( ((rWeight == WEIGHT_DONTKNOW) || (rWeight == WEIGHT_NORMAL)) &&
(pFontAttr->Weight != WEIGHT_DONTKNOW) )
rWeight = pFontAttr->Weight;
if ( ((rWidth == WIDTH_DONTKNOW) || (rWidth == WIDTH_NORMAL)) &&
(pFontAttr->Width != WIDTH_DONTKNOW) )
rWidth = pFontAttr->Width;
}
}
// =======================================================================
ImplFontData::ImplFontData( const ImplDevFontAttributes& rDFA, int nMagic )
: ImplDevFontAttributes( rDFA ),
mnWidth(0),
mnHeight(0),
mnMagic( nMagic ),
mpNext( NULL )
{
// StarSymbol is a unicode font, but it still deserves the symbol flag
if( !mbSymbolFlag )
if( 0 == GetFamilyName().CompareIgnoreCaseToAscii( "starsymbol", 10)
|| 0 == GetFamilyName().CompareIgnoreCaseToAscii( "opensymbol", 10) )
mbSymbolFlag = true;
}
// -----------------------------------------------------------------------
StringCompare ImplFontData::CompareIgnoreSize( const ImplFontData& rOther ) const
{
// compare their width, weight, italic and style name
if( meWidthType < rOther.meWidthType )
return COMPARE_LESS;
else if( meWidthType > rOther.meWidthType )
return COMPARE_GREATER;
if( meWeight < rOther.meWeight )
return COMPARE_LESS;
else if( meWeight > rOther.meWeight )
return COMPARE_GREATER;
if( meItalic < rOther.meItalic )
return COMPARE_LESS;
else if( meItalic > rOther.meItalic )
return COMPARE_GREATER;
StringCompare eCompare = maName.CompareTo( rOther.maName );
return eCompare;
}
// -----------------------------------------------------------------------
StringCompare ImplFontData::CompareWithSize( const ImplFontData& rOther ) const
{
StringCompare eCompare = CompareIgnoreSize( rOther );
if( eCompare != COMPARE_EQUAL )
return eCompare;
if( mnHeight < rOther.mnHeight )
return COMPARE_LESS;
else if( mnHeight > rOther.mnHeight )
return COMPARE_GREATER;
if( mnWidth < rOther.mnWidth )
return COMPARE_LESS;
else if( mnWidth > rOther.mnWidth )
return COMPARE_GREATER;
return COMPARE_EQUAL;
}
// -----------------------------------------------------------------------
struct FontMatchStatus
{
public:
int mnFaceMatch;
int mnHeightMatch;
int mnWidthMatch;
const xub_Unicode* mpTargetStyleName;
};
bool ImplFontData::IsBetterMatch( const ImplFontSelectData& rFSD, FontMatchStatus& rStatus ) const
{
int nMatch = 0;
const String& rFontName = rFSD.maTargetName;
if( (rFontName == maName) || rFontName.EqualsIgnoreCaseAscii( maName ) )
nMatch += 240000;
if( rStatus.mpTargetStyleName
&& maStyleName.EqualsIgnoreCaseAscii( rStatus.mpTargetStyleName ) )
nMatch += 120000;
if( (rFSD.mePitch != PITCH_DONTKNOW) && (rFSD.mePitch == mePitch) )
nMatch += 20000;
// prefer NORMAL font width
// TODO: change when the upper layers can tell their width preference
if( meWidthType == WIDTH_NORMAL )
nMatch += 400;
else if( (meWidthType == WIDTH_SEMI_EXPANDED) || (meWidthType == WIDTH_SEMI_CONDENSED) )
nMatch += 300;
if( rFSD.meWeight != WEIGHT_DONTKNOW )
{
// if not bold prefer light fonts to bold fonts
int nReqWeight = (int)rFSD.meWeight;
if ( rFSD.meWeight > WEIGHT_MEDIUM )
nReqWeight += 100;
int nGivenWeight = (int)meWeight;
if( meWeight > WEIGHT_MEDIUM )
nGivenWeight += 100;
int nWeightDiff = nReqWeight - nGivenWeight;
if ( nWeightDiff == 0 )
nMatch += 1000;
else if ( nWeightDiff == +1 || nWeightDiff == -1 )
nMatch += 700;
else if ( nWeightDiff < +50 && nWeightDiff > -50)
nMatch += 200;
}
else // requested weight == WEIGHT_DONTKNOW
{
// prefer NORMAL font weight
// TODO: change when the upper layers can tell their weight preference
if( meWeight == WEIGHT_NORMAL )
nMatch += 450;
else if( meWeight == WEIGHT_MEDIUM )
nMatch += 350;
else if( (meWeight == WEIGHT_SEMILIGHT) || (meWeight == WEIGHT_SEMIBOLD) )
nMatch += 200;
else if( meWeight == WEIGHT_LIGHT )
nMatch += 150;
}
if ( rFSD.meItalic == ITALIC_NONE )
{
if( meItalic == ITALIC_NONE )
nMatch += 900;
}
else
{
if( rFSD.meItalic == meItalic )
nMatch += 900;
else if( meItalic != ITALIC_NONE )
nMatch += 600;
}
if( mbDevice )
nMatch += 1;
int nHeightMatch = 0;
int nWidthMatch = 0;
if( IsScalable() )
{
if( rFSD.mnOrientation != 0 )
nMatch += 80;
else if( rFSD.mnWidth != 0 )
nMatch += 25;
else
nMatch += 5;
}
else
{
if( rFSD.mnHeight == mnHeight )
{
nMatch += 20;
if( rFSD.mnWidth == mnWidth )
nMatch += 10;
}
else
{
// for non-scalable fonts the size difference is very important
// prefer the smaller font face because of clipping/overlapping issues
int nHeightDiff = (rFSD.mnHeight - mnHeight) * 1000;
nHeightMatch = (nHeightDiff >= 0) ? -nHeightDiff : 100+nHeightDiff;
if( rFSD.mnHeight )
nHeightMatch /= rFSD.mnHeight;
if( (rFSD.mnWidth != 0) && (mnWidth != 0) && (rFSD.mnWidth != mnWidth) )
{
int nWidthDiff = (rFSD.mnWidth - mnWidth) * 100;
nWidthMatch = (nWidthDiff >= 0) ? -nWidthDiff : +nWidthDiff;
}
}
}
if( rStatus.mnFaceMatch > nMatch )
return false;
else if( rStatus.mnFaceMatch < nMatch )
{
rStatus.mnFaceMatch = nMatch;
rStatus.mnHeightMatch = nHeightMatch;
rStatus.mnWidthMatch = nWidthMatch;
return true;
}
// when two fonts are still competing prefer the
// one with the best matching height
if( rStatus.mnHeightMatch > nHeightMatch )
return false;
else if( rStatus.mnHeightMatch < nHeightMatch )
{
rStatus.mnHeightMatch = nHeightMatch;
rStatus.mnWidthMatch = nWidthMatch;
return true;
}
if( rStatus.mnWidthMatch > nWidthMatch )
return false;
rStatus.mnWidthMatch = nWidthMatch;
return true;
}
// =======================================================================
ImplFontEntry::ImplFontEntry( const ImplFontSelectData& rFontSelData )
: maFontSelData( rFontSelData ),
maMetric( rFontSelData ),
mpConversion( NULL ),
mnRefCount( 1 ),
mnSetFontFlags( 0 ),
mnOwnOrientation( 0 ),
mnOrientation( 0 ),
mbInit( false ),
mpUnicodeFallbackList( NULL )
{
maFontSelData.mpFontEntry = this;
}
// -----------------------------------------------------------------------
ImplFontEntry::~ImplFontEntry()
{
delete mpUnicodeFallbackList;
}
// -----------------------------------------------------------------------
size_t ImplFontEntry::GFBCacheKey_Hash::operator()( const GFBCacheKey& rData ) const
{
std::hash<sal_UCS4> a;
std::hash<int > b;
return a(rData.first) ^ b(rData.second);
}
inline void ImplFontEntry::AddFallbackForUnicode( sal_UCS4 cChar, FontWeight eWeight, const String& rFontName )
{
if( !mpUnicodeFallbackList )
mpUnicodeFallbackList = new UnicodeFallbackList;
(*mpUnicodeFallbackList)[ GFBCacheKey(cChar,eWeight) ] = rFontName;
}
// -----------------------------------------------------------------------
inline bool ImplFontEntry::GetFallbackForUnicode( sal_UCS4 cChar, FontWeight eWeight, String* pFontName ) const
{
if( !mpUnicodeFallbackList )
return false;
UnicodeFallbackList::const_iterator it = mpUnicodeFallbackList->find( GFBCacheKey(cChar,eWeight) );
if( it == mpUnicodeFallbackList->end() )
return false;
*pFontName = (*it).second;
return true;
}
// -----------------------------------------------------------------------
inline void ImplFontEntry::IgnoreFallbackForUnicode( sal_UCS4 cChar, FontWeight eWeight, const String& rFontName )
{
// DBG_ASSERT( mpUnicodeFallbackList, "ImplFontEntry::IgnoreFallbackForUnicode no list" );
UnicodeFallbackList::iterator it = mpUnicodeFallbackList->find( GFBCacheKey(cChar,eWeight) );
// DBG_ASSERT( it != mpUnicodeFallbackList->end(), "ImplFontEntry::IgnoreFallbackForUnicode no match" );
if( it == mpUnicodeFallbackList->end() )
return;
if( (*it).second == rFontName )
mpUnicodeFallbackList->erase( it );
}
// =======================================================================
ImplDevFontListData::ImplDevFontListData( const String& rSearchName )
: mpFirst( NULL ),
maSearchName( rSearchName ),
mnTypeFaces( 0 ),
mnMatchType( 0 ),
meMatchWeight( WEIGHT_DONTKNOW ),
meMatchWidth( WIDTH_DONTKNOW ),
meFamily( FAMILY_DONTKNOW ),
mePitch( PITCH_DONTKNOW ),
mnMinQuality( -1 )
{}
// -----------------------------------------------------------------------
ImplDevFontListData::~ImplDevFontListData()
{
// release all physical font faces
while( mpFirst )
{
ImplFontData* pFace = mpFirst;
mpFirst = pFace->GetNextFace();
delete pFace;
}
}
// -----------------------------------------------------------------------
bool ImplDevFontListData::AddFontFace( ImplFontData* pNewData )
{
pNewData->mpNext = NULL;
if( !mpFirst )
{
maName = pNewData->maName;
maMapNames = pNewData->maMapNames;
meFamily = pNewData->meFamily;
mePitch = pNewData->mePitch;
mnMinQuality = pNewData->mnQuality;
}
else
{
if( meFamily == FAMILY_DONTKNOW )
meFamily = pNewData->meFamily;
if( mePitch == PITCH_DONTKNOW )
mePitch = pNewData->mePitch;
if( mnMinQuality > pNewData->mnQuality )
mnMinQuality = pNewData->mnQuality;
}
// set attributes for attribute based font matching
if( pNewData->IsScalable() )
mnTypeFaces |= IMPL_DEVFONT_SCALABLE;
if( pNewData->IsSymbolFont() )
mnTypeFaces |= IMPL_DEVFONT_SYMBOL;
else
mnTypeFaces |= IMPL_DEVFONT_NONESYMBOL;
if( pNewData->meWeight != WEIGHT_DONTKNOW )
{
if( pNewData->meWeight >= WEIGHT_SEMIBOLD )
mnTypeFaces |= IMPL_DEVFONT_BOLD;
else if( pNewData->meWeight <= WEIGHT_SEMILIGHT )
mnTypeFaces |= IMPL_DEVFONT_LIGHT;
else
mnTypeFaces |= IMPL_DEVFONT_NORMAL;
}
if( pNewData->meItalic == ITALIC_NONE )
mnTypeFaces |= IMPL_DEVFONT_NONEITALIC;
else if( (pNewData->meItalic == ITALIC_NORMAL)
|| (pNewData->meItalic == ITALIC_OBLIQUE) )
mnTypeFaces |= IMPL_DEVFONT_ITALIC;
if( (meMatchWeight == WEIGHT_DONTKNOW)
|| (meMatchWidth == WIDTH_DONTKNOW)
|| (mnMatchType == 0) )
{
// TODO: is it cheaper to calc matching attributes now or on demand?
// calc matching attributes if other entries are already initialized
// MT: Perform05: Do lazy, quite expensive, not needed in start-up!
// const FontSubstConfiguration& rFontSubst = *FontSubstConfiguration::get();
// InitMatchData( rFontSubst, maSearchName );
// mbMatchData=true; // Somewhere else???
}
// reassign name (sharing saves memory)
if( pNewData->maName == maName )
pNewData->maName = maName;
// insert new physical font face into linked list
// TODO: get rid of linear search?
ImplFontData* pData;
ImplFontData** ppHere = &mpFirst;
for(; (pData=*ppHere) != NULL; ppHere=&pData->mpNext )
{
StringCompare eComp = pNewData->CompareWithSize( *pData );
if( eComp == COMPARE_GREATER )
continue;
if( eComp == COMPARE_LESS )
break;
// ignore duplicate if its quality is worse
if( pNewData->mnQuality < pData->mnQuality )
return false;
// keep the device font if its quality is good enough
if( (pNewData->mnQuality == pData->mnQuality)
&& (pData->mbDevice || !pNewData->mbDevice) )
return false;
// replace existing font face with a better one
pNewData->mpNext = pData->mpNext;
*ppHere = pNewData;
delete pData;
return true;
}
// insert into or append to list of physical font faces
pNewData->mpNext = pData;
*ppHere = pNewData;
return true;
}
// -----------------------------------------------------------------------
// get font attributes using the normalized font family name
void ImplDevFontListData::InitMatchData( const utl::FontSubstConfiguration& rFontSubst,
const String& rSearchName )
{
String aShortName;
// get font attributes from the decorated font name
rFontSubst.getMapName( rSearchName, aShortName, maMatchFamilyName,
meMatchWeight, meMatchWidth, mnMatchType );
const FontNameAttr* pFontAttr = rFontSubst.getSubstInfo( rSearchName );
// eventually use the stripped name
if( !pFontAttr )
if( aShortName != rSearchName )
pFontAttr = rFontSubst.getSubstInfo( aShortName );
ImplCalcType( mnMatchType, meMatchWeight, meMatchWidth, meFamily, pFontAttr );
mnMatchType |= ImplIsCJKFont( maName );
}
// -----------------------------------------------------------------------
ImplFontData* ImplDevFontListData::FindBestFontFace( const ImplFontSelectData& rFSD ) const
{
if( !mpFirst )
return NULL;
if( !mpFirst->GetNextFace() )
return mpFirst;
// FontName+StyleName should map to FamilyName+StyleName
const String& rSearchName = rFSD.maTargetName;
const xub_Unicode* pTargetStyleName = NULL;
if( (rSearchName.Len() > maSearchName.Len())
&& rSearchName.Equals( maSearchName, 0, maSearchName.Len() ) )
pTargetStyleName = rSearchName.GetBuffer() + maSearchName.Len() + 1;
// linear search, TODO: improve?
ImplFontData* pFontFace = mpFirst;
ImplFontData* pBestFontFace = pFontFace;
FontMatchStatus aFontMatchStatus = {0,0,0, pTargetStyleName};
for(; pFontFace; pFontFace = pFontFace->GetNextFace() )
if( pFontFace->IsBetterMatch( rFSD, aFontMatchStatus ) )
pBestFontFace = pFontFace;
return pBestFontFace;
}
// -----------------------------------------------------------------------
// update device font list with unique font faces, with uniqueness
// meaning different font attributes, but not different fonts sizes
void ImplDevFontListData::UpdateDevFontList( ImplGetDevFontList& rDevFontList ) const
{
ImplFontData* pPrevFace = NULL;
for( ImplFontData* pFace = mpFirst; pFace; pFace = pFace->GetNextFace() )
{
if( !pPrevFace || pFace->CompareIgnoreSize( *pPrevFace ) )
rDevFontList.Add( pFace );
pPrevFace = pFace;
}
}
// -----------------------------------------------------------------------
void ImplDevFontListData::GetFontHeights( std::set<int>& rHeights ) const
{
// add all available font heights
for( const ImplFontData* pFace = mpFirst; pFace; pFace = pFace->GetNextFace() )
rHeights.insert( pFace->GetHeight() );
}
// -----------------------------------------------------------------------
void ImplDevFontListData::UpdateCloneFontList( ImplDevFontList& rDevFontList,
bool bScalable, bool bEmbeddable ) const
{
for( ImplFontData* pFace = mpFirst; pFace; pFace = pFace->GetNextFace() )
{
if( bScalable && !pFace->IsScalable() )
continue;
if( bEmbeddable && !pFace->IsEmbeddable() && !pFace->IsSubsettable() )
continue;
ImplFontData* pClonedFace = pFace->Clone();
rDevFontList.Add( pClonedFace );
}
}
// =======================================================================
ImplDevFontList::ImplDevFontList()
: mbMatchData( false )
, mbMapNames( false )
, mpPreMatchHook( NULL )
, mpFallbackHook( NULL )
, mpFallbackList( NULL )
, mnFallbackCount( -1 )
{}
// -----------------------------------------------------------------------
ImplDevFontList::~ImplDevFontList()
{
Clear();
}
// -----------------------------------------------------------------------
void ImplDevFontList::SetPreMatchHook( ImplPreMatchFontSubstitution* pHook )
{
mpPreMatchHook = pHook;
}
// -----------------------------------------------------------------------
void ImplDevFontList::SetFallbackHook( ImplGlyphFallbackFontSubstitution* pHook )
{
mpFallbackHook = pHook;
}
// -----------------------------------------------------------------------
void ImplDevFontList::Clear()
{
// remove fallback lists
delete[] mpFallbackList;
mpFallbackList = NULL;
mnFallbackCount = -1;
// clear all entries in the device font list
DevFontList::iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
ImplDevFontListData* pEntry = (*it).second;
delete pEntry;
}
maDevFontList.clear();
// match data must be recalculated too
mbMatchData = false;
}
// -----------------------------------------------------------------------
void ImplDevFontList::InitGenericGlyphFallback( void ) const
{
// normalized family names of fonts suited for glyph fallback
// if a font is available related fonts can be ignored
// TODO: implement dynamic lists
static const char* aGlyphFallbackList[] = {
// empty strings separate the names of unrelated fonts
"eudc", "",
"arialunicodems", "cyberbit", "code2000", "",
"andalesansui", "",
"starsymbol", "opensymbol", "",
"msmincho", "fzmingti", "fzheiti", "ipamincho", "sazanamimincho", "kochimincho", "",
"sunbatang", "sundotum", "baekmukdotum", "gulim", "batang", "dotum", "",
"hgmincholightj", "msunglightsc", "msunglighttc", "hymyeongjolightk", "",
"tahoma", "dejavusans", "timesnewroman", "liberationsans", "",
"shree", "mangal", "",
"raavi", "shruti", "tunga", "",
"latha", "gautami", "kartika", "vrinda", "",
"shayyalmt", "naskmt", "scheherazade", "",
"david", "nachlieli", "lucidagrande", "",
"norasi", "angsanaupc", "",
"khmerossystem", "",
"muktinarrow", "",
"phetsarathot", "",
"padauk", "pinlonmyanmar", "",
"iskoolapota", "lklug", "",
0
};
bool bHasEudc = false;
int nMaxLevel = 0;
int nBestQuality = 0;
ImplDevFontListData** pFallbackList = NULL;
for( const char** ppNames = &aGlyphFallbackList[0];; ++ppNames )
{
// advance to next sub-list when end-of-sublist marker
if( !**ppNames ) // #i46456# check for empty string, i.e., deref string itself not only ptr to it
{
if( nBestQuality > 0 )
if( ++nMaxLevel >= MAX_FALLBACK )
break;
if( !ppNames[1] )
break;
nBestQuality = 0;
continue;
}
// test if the glyph fallback candidate font is available and scalable
String aTokenName( *ppNames, RTL_TEXTENCODING_UTF8 );
ImplDevFontListData* pFallbackFont = FindFontFamily( aTokenName );
if( !pFallbackFont )
continue;
if( !pFallbackFont->IsScalable() )
continue;
// keep the best font of the glyph fallback sub-list
if( nBestQuality < pFallbackFont->GetMinQuality() )
{
nBestQuality = pFallbackFont->GetMinQuality();
// store available glyph fallback fonts
if( !pFallbackList )
pFallbackList = new ImplDevFontListData*[ MAX_FALLBACK ];
pFallbackList[ nMaxLevel ] = pFallbackFont;
if( !bHasEudc && !nMaxLevel )
bHasEudc = !strncmp( *ppNames, "eudc", 5 );
}
}
#ifdef SAL_FONTENUM_STABLE_ON_PLATFORM // #i113472#
// sort the list of fonts for glyph fallback by quality (highest first)
// #i33947# keep the EUDC font at the front of the list
// an insertion sort is good enough for this short list
const int nSortStart = bHasEudc ? 1 : 0;
for( int i = nSortStart+1, j; i < nMaxLevel; ++i )
{
ImplDevFontListData* pTestFont = pFallbackList[ i ];
int nTestQuality = pTestFont->GetMinQuality();
for( j = i; --j >= nSortStart; )
if( nTestQuality > pFallbackList[j]->GetMinQuality() )
pFallbackList[ j+1 ] = pFallbackList[ j ];
else
break;
pFallbackList[ j+1 ] = pTestFont;
}
#endif
#if defined(HDU_DEBUG)
for( int i = 0; i < nMaxLevel; ++i )
{
ImplDevFontListData* pFont = pFallbackList[ i ];
ByteString aFontName( pFont->GetFamilyName(), RTL_TEXTENCODING_UTF8 );
fprintf( stderr, "GlyphFallbackFont[%d] (quality=%05d): \"%s\"\n",
i, pFont->GetMinQuality(), aFontName.GetBuffer() );
}
#endif
mnFallbackCount = nMaxLevel;
mpFallbackList = pFallbackList;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::GetGlyphFallbackFont( ImplFontSelectData& rFontSelData,
rtl::OUString& rMissingCodes, int nFallbackLevel ) const
{
ImplDevFontListData* pFallbackData = NULL;
// find a matching font candidate for platform specific glyph fallback
if( mpFallbackHook )
{
// check cache for the first matching entry
// to avoid calling the expensive fallback hook (#i83491#)
sal_UCS4 cChar = 0;
bool bCached = true;
sal_Int32 nStrIndex = 0;
while( nStrIndex < rMissingCodes.getLength() )
{
cChar = rMissingCodes.iterateCodePoints( &nStrIndex );
bCached = rFontSelData.mpFontEntry->GetFallbackForUnicode( cChar, rFontSelData.GetWeight(), &rFontSelData.maSearchName );
// ignore entries which don't have a fallback
if( !bCached || (rFontSelData.maSearchName.Len() != 0) )
break;
}
if( bCached )
{
// there is a matching fallback in the cache
// so update rMissingCodes with codepoints not yet resolved by this fallback
int nRemainingLength = 0;
sal_UCS4* pRemainingCodes = (sal_UCS4*)alloca( rMissingCodes.getLength() * sizeof(sal_UCS4) );
String aFontName;
while( nStrIndex < rMissingCodes.getLength() )
{
cChar = rMissingCodes.iterateCodePoints( &nStrIndex );
bCached = rFontSelData.mpFontEntry->GetFallbackForUnicode( cChar, rFontSelData.GetWeight(), &aFontName );
if( !bCached || (rFontSelData.maSearchName != aFontName) )
pRemainingCodes[ nRemainingLength++ ] = cChar;
}
rMissingCodes = rtl::OUString( pRemainingCodes, nRemainingLength );
}
else
{
rtl::OUString aOldMissingCodes = rMissingCodes;
// call the hook to query the best matching glyph fallback font
if( mpFallbackHook->FindFontSubstitute( rFontSelData, rMissingCodes ) )
// apply outdev3.cxx specific fontname normalization
GetEnglishSearchFontName( rFontSelData.maSearchName );
else
rFontSelData.maSearchName = String();
// cache the result even if there was no match
for(;;)
{
if( !rFontSelData.mpFontEntry->GetFallbackForUnicode( cChar, rFontSelData.GetWeight(), &rFontSelData.maSearchName ) )
rFontSelData.mpFontEntry->AddFallbackForUnicode( cChar, rFontSelData.GetWeight(), rFontSelData.maSearchName );
if( nStrIndex >= aOldMissingCodes.getLength() )
break;
cChar = aOldMissingCodes.iterateCodePoints( &nStrIndex );
}
if( rFontSelData.maSearchName.Len() != 0 )
{
// remove cache entries that were still not resolved
for( nStrIndex = 0; nStrIndex < rMissingCodes.getLength(); )
{
cChar = rMissingCodes.iterateCodePoints( &nStrIndex );
rFontSelData.mpFontEntry->IgnoreFallbackForUnicode( cChar, rFontSelData.GetWeight(), rFontSelData.maSearchName );
}
}
}
// find the matching device font
if( rFontSelData.maSearchName.Len() != 0 )
pFallbackData = FindFontFamily( rFontSelData.maSearchName );
}
// else find a matching font candidate for generic glyph fallback
if( !pFallbackData )
{
// initialize font candidates for generic glyph fallback if needed
if( mnFallbackCount < 0 )
InitGenericGlyphFallback();
// TODO: adjust nFallbackLevel by number of levels resolved by the fallback hook
if( nFallbackLevel < mnFallbackCount )
pFallbackData = mpFallbackList[ nFallbackLevel ];
}
return pFallbackData;
}
// -----------------------------------------------------------------------
void ImplDevFontList::Add( ImplFontData* pNewData )
{
int nAliasQuality = pNewData->mnQuality - 100;
String aMapNames = pNewData->maMapNames;
pNewData->maMapNames = String();
bool bKeepNewData = false;
for( xub_StrLen nMapNameIndex = 0; nMapNameIndex != STRING_NOTFOUND; )
{
String aSearchName = pNewData->maName;
GetEnglishSearchFontName( aSearchName );
DevFontList::const_iterator it = maDevFontList.find( aSearchName );
ImplDevFontListData* pFoundData = NULL;
if( it != maDevFontList.end() )
pFoundData = (*it).second;
if( !pFoundData )
{
pFoundData = new ImplDevFontListData( aSearchName );
maDevFontList[ aSearchName ] = pFoundData;
}
bKeepNewData = pFoundData->AddFontFace( pNewData );
// add font alias if available
// a font alias should never win against an original font with similar quality
if( aMapNames.Len() <= nMapNameIndex )
break;
if( bKeepNewData ) // try to recycle obsoleted object
pNewData = pNewData->CreateAlias();
bKeepNewData = false;
pNewData->mnQuality = nAliasQuality;
pNewData->maName = GetNextFontToken( aMapNames, nMapNameIndex );
}
if( !bKeepNewData )
delete pNewData;
}
// -----------------------------------------------------------------------
// find the font from the normalized font family name
ImplDevFontListData* ImplDevFontList::ImplFindBySearchName( const String& rSearchName ) const
{
#ifdef DEBUG
String aTempName = rSearchName;
GetEnglishSearchFontName( aTempName );
DBG_ASSERT( aTempName == rSearchName, "ImplDevFontList::ImplFindBySearchName() called with non-normalized name" );
#endif
DevFontList::const_iterator it = maDevFontList.find( rSearchName );
if( it == maDevFontList.end() )
return NULL;
ImplDevFontListData* pFoundData = (*it).second;
return pFoundData;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindByAliasName( const String& rSearchName, const String& rShortName ) const
{
// short circuit for impossible font name alias
if( !rSearchName.Len() )
return NULL;
// short circuit if no alias names are available
if( !mbMapNames )
return NULL;
// use the font's alias names to find the font
// TODO: get rid of linear search
DevFontList::const_iterator it = maDevFontList.begin();
while( it != maDevFontList.end() )
{
ImplDevFontListData* pData = (*it).second;
if( !pData->maMapNames.Len() )
continue;
// if one alias name matches we found a matching font
String aTempName;
xub_StrLen nIndex = 0;
do
{
aTempName = GetNextFontToken( pData->maMapNames, nIndex );
// Test, if the Font name match with one of the mapping names
if ( (aTempName == rSearchName) || (aTempName == rShortName) )
return pData;
}
while ( nIndex != STRING_NOTFOUND );
}
return NULL;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::FindFontFamily( const String& rFontName ) const
{
// normalize the font fomily name and
String aName = rFontName;
GetEnglishSearchFontName( aName );
ImplDevFontListData* pFound = ImplFindBySearchName( aName );
return pFound;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindByTokenNames( const String& rTokenStr ) const
{
ImplDevFontListData* pFoundData = NULL;
// use normalized font name tokens to find the font
for( xub_StrLen nTokenPos = 0; nTokenPos != STRING_NOTFOUND; )
{
String aSearchName = GetNextFontToken( rTokenStr, nTokenPos );
if( !aSearchName.Len() )
continue;
GetEnglishSearchFontName( aSearchName );
pFoundData = ImplFindBySearchName( aSearchName );
if( pFoundData )
break;
}
return pFoundData;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindBySubstFontAttr( const utl::FontNameAttr& rFontAttr ) const
{
ImplDevFontListData* pFoundData = NULL;
// use the font substitutions suggested by the FontNameAttr to find the font
::std::vector< String >::const_iterator it = rFontAttr.Substitutions.begin();
for(; it != rFontAttr.Substitutions.end(); ++it )
{
String aSearchName( *it );
GetEnglishSearchFontName( aSearchName );
pFoundData = ImplFindBySearchName( aSearchName );
if( pFoundData )
return pFoundData;
}
// use known attributes from the configuration to find a matching substitute
const sal_uLong nSearchType = rFontAttr.Type;
if( nSearchType != 0 )
{
const FontWeight eSearchWeight = rFontAttr.Weight;
const FontWidth eSearchWidth = rFontAttr.Width;
const FontItalic eSearchSlant = ITALIC_DONTKNOW;
const FontFamily eSearchFamily = FAMILY_DONTKNOW;
const String aSearchName;
pFoundData = ImplFindByAttributes( nSearchType,
eSearchWeight, eSearchWidth, eSearchFamily, eSearchSlant, aSearchName );
if( pFoundData )
return pFoundData;
}
return NULL;
}
// -----------------------------------------------------------------------
void ImplDevFontList::InitMatchData() const
{
// short circuit if already done
if( mbMatchData )
return;
mbMatchData = true;
// calculate MatchData for all entries
const FontSubstConfiguration& rFontSubst = *FontSubstConfiguration::get();
DevFontList::const_iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
const String& rSearchName = (*it).first;
ImplDevFontListData* pEntry = (*it).second;
pEntry->InitMatchData( rFontSubst, rSearchName );
}
}
//----------------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindByLocale( com::sun::star::lang::Locale& rLocale ) const
{
// get the default font for a specified locale
const DefaultFontConfiguration& rDefaults = *DefaultFontConfiguration::get();
const String aDefault = rDefaults.getUserInterfaceFont( rLocale );
ImplDevFontListData* pFontData = ImplFindByTokenNames( aDefault );
if( pFontData )
return pFontData;
return NULL;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindByAttributes( sal_uLong nSearchType,
FontWeight eSearchWeight, FontWidth eSearchWidth, FontFamily /*eSearchFamily*/,
FontItalic eSearchItalic, const String& rSearchFamilyName ) const
{
if( (eSearchItalic != ITALIC_NONE) && (eSearchItalic != ITALIC_DONTKNOW) )
nSearchType |= IMPL_FONT_ATTR_ITALIC;
// don't bother to match attributes if the attributes aren't worth matching
if( !nSearchType
&& ((eSearchWeight == WEIGHT_DONTKNOW) || (eSearchWeight == WEIGHT_NORMAL))
&& ((eSearchWidth == WIDTH_DONTKNOW) || (eSearchWidth == WIDTH_NORMAL)) )
return NULL;
InitMatchData();
ImplDevFontListData* pFoundData = NULL;
long nTestMatch;
long nBestMatch = 40000;
sal_uLong nBestType = 0;
DevFontList::const_iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
ImplDevFontListData* pData = (*it).second;
// Get all information about the matching font
sal_uLong nMatchType = pData->mnMatchType;
FontWeight eMatchWeight= pData->meMatchWeight;
FontWidth eMatchWidth = pData->meMatchWidth;
// Calculate Match Value
// 1000000000
// 100000000
// 10000000 CJK, CTL, None-Latin, Symbol
// 1000000 FamilyName, Script, Fixed, -Special, -Decorative,
// Titling, Capitals, Outline, Shadow
// 100000 Match FamilyName, Serif, SansSerif, Italic,
// Width, Weight
// 10000 Scalable, Standard, Default,
// full, Normal, Knownfont,
// Otherstyle, +Special, +Decorative,
// 1000 Typewriter, Rounded, Gothic, Schollbook
// 100
nTestMatch = 0;
// test CJK script attributes
if ( nSearchType & IMPL_FONT_ATTR_CJK )
{
// Matching language
if( 0 == ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_CJK_ALLLANG) )
nTestMatch += 10000000*3;
if( nMatchType & IMPL_FONT_ATTR_CJK )
nTestMatch += 10000000*2;
if( nMatchType & IMPL_FONT_ATTR_FULL )
nTestMatch += 10000000;
}
else if ( nMatchType & IMPL_FONT_ATTR_CJK )
nTestMatch -= 10000000;
// test CTL script attributes
if( nSearchType & IMPL_FONT_ATTR_CTL )
{
if( nMatchType & IMPL_FONT_ATTR_CTL )
nTestMatch += 10000000*2;
if( nMatchType & IMPL_FONT_ATTR_FULL )
nTestMatch += 10000000;
}
else if ( nMatchType & IMPL_FONT_ATTR_CTL )
nTestMatch -= 10000000;
// test LATIN script attributes
if( nSearchType & IMPL_FONT_ATTR_NONELATIN )
{
if( nMatchType & IMPL_FONT_ATTR_NONELATIN )
nTestMatch += 10000000*2;
if( nMatchType & IMPL_FONT_ATTR_FULL )
nTestMatch += 10000000;
}
// test SYMBOL attributes
if ( nSearchType & IMPL_FONT_ATTR_SYMBOL )
{
const String& rSearchName = it->first;
// prefer some special known symbol fonts
if ( rSearchName.EqualsAscii( "starsymbol" ) )
nTestMatch += 10000000*6+(10000*3);
else if ( rSearchName.EqualsAscii( "opensymbol" ) )
nTestMatch += 10000000*6;
else if ( rSearchName.EqualsAscii( "starbats" )
|| rSearchName.EqualsAscii( "wingdings" )
|| rSearchName.EqualsAscii( "monotypesorts" )
|| rSearchName.EqualsAscii( "dingbats" )
|| rSearchName.EqualsAscii( "zapfdingbats" ) )
nTestMatch += 10000000*5;
else if ( pData->mnTypeFaces & IMPL_DEVFONT_SYMBOL )
nTestMatch += 10000000*4;
else
{
if( nMatchType & IMPL_FONT_ATTR_SYMBOL )
nTestMatch += 10000000*2;
if( nMatchType & IMPL_FONT_ATTR_FULL )
nTestMatch += 10000000;
}
}
else if ( (pData->mnTypeFaces & (IMPL_DEVFONT_SYMBOL | IMPL_DEVFONT_NONESYMBOL)) == IMPL_DEVFONT_SYMBOL )
nTestMatch -= 10000000;
else if ( nMatchType & IMPL_FONT_ATTR_SYMBOL )
nTestMatch -= 10000;
// match stripped family name
if( rSearchFamilyName.Len() && (rSearchFamilyName == pData->maMatchFamilyName) )
nTestMatch += 1000000*3;
// match ALLSCRIPT? attribute
if( nSearchType & IMPL_FONT_ATTR_ALLSCRIPT )
{
if( nMatchType & IMPL_FONT_ATTR_ALLSCRIPT )
nTestMatch += 1000000*2;
if( nSearchType & IMPL_FONT_ATTR_ALLSUBSCRIPT )
{
if( 0 == ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_ALLSUBSCRIPT) )
nTestMatch += 1000000*2;
if( 0 != ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_BRUSHSCRIPT) )
nTestMatch -= 1000000;
}
}
else if( nMatchType & IMPL_FONT_ATTR_ALLSCRIPT )
nTestMatch -= 1000000;
// test MONOSPACE+TYPEWRITER attributes
if( nSearchType & IMPL_FONT_ATTR_FIXED )
{
if( nMatchType & IMPL_FONT_ATTR_FIXED )
nTestMatch += 1000000*2;
// a typewriter attribute is even better
if( 0 == ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_TYPEWRITER) )
nTestMatch += 10000*2;
}
else if( nMatchType & IMPL_FONT_ATTR_FIXED )
nTestMatch -= 1000000;
// test SPECIAL attribute
if( nSearchType & IMPL_FONT_ATTR_SPECIAL )
{
if( nMatchType & IMPL_FONT_ATTR_SPECIAL )
nTestMatch += 10000;
else if( !(nSearchType & IMPL_FONT_ATTR_ALLSERIFSTYLE) )
{
if( nMatchType & IMPL_FONT_ATTR_SERIF )
nTestMatch += 1000*2;
else if( nMatchType & IMPL_FONT_ATTR_SANSSERIF )
nTestMatch += 1000;
}
}
else if( (nMatchType & IMPL_FONT_ATTR_SPECIAL) && !(nSearchType & IMPL_FONT_ATTR_SYMBOL) )
nTestMatch -= 1000000;
// test DECORATIVE attribute
if( nSearchType & IMPL_FONT_ATTR_DECORATIVE )
{
if( nMatchType & IMPL_FONT_ATTR_DECORATIVE )
nTestMatch += 10000;
else if( !(nSearchType & IMPL_FONT_ATTR_ALLSERIFSTYLE) )
{
if( nMatchType & IMPL_FONT_ATTR_SERIF )
nTestMatch += 1000*2;
else if ( nMatchType & IMPL_FONT_ATTR_SANSSERIF )
nTestMatch += 1000;
}
}
else if( nMatchType & IMPL_FONT_ATTR_DECORATIVE )
nTestMatch -= 1000000;
// test TITLE+CAPITALS attributes
if( nSearchType & (IMPL_FONT_ATTR_TITLING | IMPL_FONT_ATTR_CAPITALS) )
{
if( nMatchType & (IMPL_FONT_ATTR_TITLING | IMPL_FONT_ATTR_CAPITALS) )
nTestMatch += 1000000*2;
if( 0 == ((nSearchType^nMatchType) & (IMPL_FONT_ATTR_TITLING | IMPL_FONT_ATTR_CAPITALS)))
nTestMatch += 1000000;
else if( (nMatchType & (IMPL_FONT_ATTR_TITLING | IMPL_FONT_ATTR_CAPITALS))
&& (nMatchType & (IMPL_FONT_ATTR_STANDARD | IMPL_FONT_ATTR_DEFAULT)) )
nTestMatch += 1000000;
}
else if( nMatchType & (IMPL_FONT_ATTR_TITLING | IMPL_FONT_ATTR_CAPITALS) )
nTestMatch -= 1000000;
// test OUTLINE+SHADOW attributes
if( nSearchType & (IMPL_FONT_ATTR_OUTLINE | IMPL_FONT_ATTR_SHADOW) )
{
if( nMatchType & (IMPL_FONT_ATTR_OUTLINE | IMPL_FONT_ATTR_SHADOW) )
nTestMatch += 1000000*2;
if( 0 == ((nSearchType ^ nMatchType) & (IMPL_FONT_ATTR_OUTLINE | IMPL_FONT_ATTR_SHADOW)) )
nTestMatch += 1000000;
else if( (nMatchType & (IMPL_FONT_ATTR_OUTLINE | IMPL_FONT_ATTR_SHADOW))
&& (nMatchType & (IMPL_FONT_ATTR_STANDARD | IMPL_FONT_ATTR_DEFAULT)) )
nTestMatch += 1000000;
}
else if ( nMatchType & (IMPL_FONT_ATTR_OUTLINE | IMPL_FONT_ATTR_SHADOW) )
nTestMatch -= 1000000;
// test font name substrings
// TODO: calculate name matching score using e.g. Levenstein distance
if( (rSearchFamilyName.Len() >= 4) && (pData->maMatchFamilyName.Len() >= 4)
&& ((rSearchFamilyName.Search( pData->maMatchFamilyName ) != STRING_NOTFOUND)
|| (pData->maMatchFamilyName.Search( rSearchFamilyName ) != STRING_NOTFOUND)) )
nTestMatch += 5000;
// test SERIF attribute
if( nSearchType & IMPL_FONT_ATTR_SERIF )
{
if( nMatchType & IMPL_FONT_ATTR_SERIF )
nTestMatch += 1000000*2;
else if( nMatchType & IMPL_FONT_ATTR_SANSSERIF )
nTestMatch -= 1000000;
}
// test SANSERIF attribute
if( nSearchType & IMPL_FONT_ATTR_SANSSERIF )
{
if( nMatchType & IMPL_FONT_ATTR_SANSSERIF )
nTestMatch += 1000000;
else if ( nMatchType & IMPL_FONT_ATTR_SERIF )
nTestMatch -= 1000000;
}
// test ITALIC attribute
if( nSearchType & IMPL_FONT_ATTR_ITALIC )
{
if( pData->mnTypeFaces & IMPL_DEVFONT_ITALIC )
nTestMatch += 1000000*3;
if( nMatchType & IMPL_FONT_ATTR_ITALIC )
nTestMatch += 1000000;
}
else if( !(nSearchType & IMPL_FONT_ATTR_ALLSCRIPT)
&& ((nMatchType & IMPL_FONT_ATTR_ITALIC)
|| !(pData->mnTypeFaces & IMPL_DEVFONT_NONEITALIC)) )
nTestMatch -= 1000000*2;
// test WIDTH attribute
if( (eSearchWidth != WIDTH_DONTKNOW) && (eSearchWidth != WIDTH_NORMAL) )
{
if( eSearchWidth < WIDTH_NORMAL )
{
if( eSearchWidth == eMatchWidth )
nTestMatch += 1000000*3;
else if( (eMatchWidth < WIDTH_NORMAL) && (eMatchWidth != WIDTH_DONTKNOW) )
nTestMatch += 1000000;
}
else
{
if( eSearchWidth == eMatchWidth )
nTestMatch += 1000000*3;
else if( eMatchWidth > WIDTH_NORMAL )
nTestMatch += 1000000;
}
}
else if( (eMatchWidth != WIDTH_DONTKNOW) && (eMatchWidth != WIDTH_NORMAL) )
nTestMatch -= 1000000;
// test WEIGHT attribute
if( (eSearchWeight != WEIGHT_DONTKNOW) && (eSearchWeight != WEIGHT_NORMAL) && (eSearchWeight != WEIGHT_MEDIUM) )
{
if( eSearchWeight < WEIGHT_NORMAL )
{
if( pData->mnTypeFaces & IMPL_DEVFONT_LIGHT )
nTestMatch += 1000000;
if( (eMatchWeight < WEIGHT_NORMAL) && (eMatchWeight != WEIGHT_DONTKNOW) )
nTestMatch += 1000000;
}
else
{
if( pData->mnTypeFaces & IMPL_DEVFONT_BOLD )
nTestMatch += 1000000;
if( eMatchWeight > WEIGHT_BOLD )
nTestMatch += 1000000;
}
}
else if( ((eMatchWeight != WEIGHT_DONTKNOW) && (eMatchWeight != WEIGHT_NORMAL) && (eMatchWeight != WEIGHT_MEDIUM))
|| !(pData->mnTypeFaces & IMPL_DEVFONT_NORMAL) )
nTestMatch -= 1000000;
// prefer scalable fonts
if( pData->mnTypeFaces & IMPL_DEVFONT_SCALABLE )
nTestMatch += 10000*4;
else
nTestMatch -= 10000*4;
// test STANDARD+DEFAULT+FULL+NORMAL attributes
if( nMatchType & IMPL_FONT_ATTR_STANDARD )
nTestMatch += 10000*2;
if( nMatchType & IMPL_FONT_ATTR_DEFAULT )
nTestMatch += 10000;
if( nMatchType & IMPL_FONT_ATTR_FULL )
nTestMatch += 10000;
if( nMatchType & IMPL_FONT_ATTR_NORMAL )
nTestMatch += 10000;
// test OTHERSTYLE attribute
if( nMatchType & IMPL_FONT_ATTR_OTHERSTYLE )
{
if( !(nMatchType & IMPL_FONT_ATTR_OTHERSTYLE) )
nTestMatch -= 10000;
}
else if( nMatchType & IMPL_FONT_ATTR_OTHERSTYLE )
nTestMatch -= 10000;
// test ROUNDED attribute
if( 0 == ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_ROUNDED) )
nTestMatch += 1000;
// test TYPEWRITER attribute
if( 0 == ((nSearchType ^ nMatchType) & IMPL_FONT_ATTR_TYPEWRITER) )
nTestMatch += 1000;
// test GOTHIC attribute
if( nSearchType & IMPL_FONT_ATTR_GOTHIC )
{
if( nMatchType & IMPL_FONT_ATTR_GOTHIC )
nTestMatch += 1000*3;
if( nMatchType & IMPL_FONT_ATTR_SANSSERIF )
nTestMatch += 1000*2;
}
// test SCHOOLBOOK attribute
if( nSearchType & IMPL_FONT_ATTR_SCHOOLBOOK )
{
if( nMatchType & IMPL_FONT_ATTR_SCHOOLBOOK )
nTestMatch += 1000*3;
if( nMatchType & IMPL_FONT_ATTR_SERIF )
nTestMatch += 1000*2;
}
// compare with best matching font yet
if ( nTestMatch > nBestMatch )
{
pFoundData = pData;
nBestMatch = nTestMatch;
nBestType = nMatchType;
}
else if( nTestMatch == nBestMatch )
{
// some fonts are more suitable defaults
if( nMatchType & IMPL_FONT_ATTR_DEFAULT )
{
pFoundData = pData;
nBestType = nMatchType;
}
else if( (nMatchType & IMPL_FONT_ATTR_STANDARD) &&
!(nBestType & IMPL_FONT_ATTR_DEFAULT) )
{
pFoundData = pData;
nBestType = nMatchType;
}
}
}
return pFoundData;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::FindDefaultFont() const
{
// try to find one of the default fonts of the
// UNICODE, SANSSERIF, SERIF or FIXED default font lists
const DefaultFontConfiguration& rDefaults = *DefaultFontConfiguration::get();
com::sun::star::lang::Locale aLocale( OUString( RTL_CONSTASCII_USTRINGPARAM("en") ), OUString(), OUString() );
String aFontname = rDefaults.getDefaultFont( aLocale, DEFAULTFONT_SANS_UNICODE );
ImplDevFontListData* pFoundData = ImplFindByTokenNames( aFontname );
if( pFoundData )
return pFoundData;
aFontname = rDefaults.getDefaultFont( aLocale, DEFAULTFONT_SANS );
pFoundData = ImplFindByTokenNames( aFontname );
if( pFoundData )
return pFoundData;
aFontname = rDefaults.getDefaultFont( aLocale, DEFAULTFONT_SERIF );
pFoundData = ImplFindByTokenNames( aFontname );
if( pFoundData )
return pFoundData;
aFontname = rDefaults.getDefaultFont( aLocale, DEFAULTFONT_FIXED );
pFoundData = ImplFindByTokenNames( aFontname );
if( pFoundData )
return pFoundData;
// now try to find a reasonable non-symbol font
InitMatchData();
DevFontList::const_iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
ImplDevFontListData* pData = (*it).second;
if( pData->mnMatchType & IMPL_FONT_ATTR_SYMBOL )
continue;
pFoundData = pData;
if( pData->mnMatchType & (IMPL_FONT_ATTR_DEFAULT|IMPL_FONT_ATTR_STANDARD) )
break;
}
if( pFoundData )
return pFoundData;
// finding any font is better than finding no font at all
it = maDevFontList.begin();
if( it != maDevFontList.end() )
pFoundData = (*it).second;
return pFoundData;
}
// -----------------------------------------------------------------------
ImplDevFontList* ImplDevFontList::Clone( bool bScalable, bool bEmbeddable ) const
{
ImplDevFontList* pClonedList = new ImplDevFontList;
// pClonedList->mbMatchData = mbMatchData;
pClonedList->mbMapNames = mbMapNames;
pClonedList->mpPreMatchHook = mpPreMatchHook;
pClonedList->mpFallbackHook = mpFallbackHook;
// TODO: clone the config-font attributes too?
pClonedList->mbMatchData = false;
DevFontList::const_iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
const ImplDevFontListData* pFontFace = (*it).second;
pFontFace->UpdateCloneFontList( *pClonedList, bScalable, bEmbeddable );
}
return pClonedList;
}
// -----------------------------------------------------------------------
ImplGetDevFontList* ImplDevFontList::GetDevFontList() const
{
ImplGetDevFontList* pGetDevFontList = new ImplGetDevFontList;
DevFontList::const_iterator it = maDevFontList.begin();
for(; it != maDevFontList.end(); ++it )
{
const ImplDevFontListData* pFontFamily = (*it).second;
pFontFamily->UpdateDevFontList( *pGetDevFontList );
}
return pGetDevFontList;
}
// -----------------------------------------------------------------------
ImplGetDevSizeList* ImplDevFontList::GetDevSizeList( const String& rFontName ) const
{
ImplGetDevSizeList* pGetDevSizeList = new ImplGetDevSizeList( rFontName );
ImplDevFontListData* pFontFamily = FindFontFamily( rFontName );
if( pFontFamily != NULL )
{
std::set<int> rHeights;
pFontFamily->GetFontHeights( rHeights );
std::set<int>::const_iterator it = rHeights.begin();
for(; it != rHeights.begin(); ++it )
pGetDevSizeList->Add( *it );
}
return pGetDevSizeList;
}
// =======================================================================
ImplFontSelectData::ImplFontSelectData( const Font& rFont,
const String& rSearchName, const Size& rSize, float fExactHeight)
: maSearchName( rSearchName ),
mnWidth( rSize.Width() ),
mnHeight( rSize.Height() ),
mfExactHeight( fExactHeight),
mnOrientation( rFont.GetOrientation() ),
meLanguage( rFont.GetLanguage() ),
mbVertical( rFont.IsVertical() ),
mbNonAntialiased( false ),
mpFontData( NULL ),
mpFontEntry( NULL )
{
maTargetName = maName;
rFont.GetFontAttributes( *this );
// normalize orientation between 0 and 3600
if( 3600 <= (unsigned)mnOrientation )
{
if( mnOrientation >= 0 )
mnOrientation %= 3600;
else
mnOrientation = 3600 - (-mnOrientation % 3600);
}
// normalize width and height
if( mnHeight < 0 )
mnHeight = -mnHeight;
if( mnWidth < 0 )
mnWidth = -mnWidth;
}
// -----------------------------------------------------------------------
ImplFontSelectData::ImplFontSelectData( const ImplFontData& rFontData,
const Size& rSize, float fExactHeight, int nOrientation, bool bVertical )
: ImplFontAttributes( rFontData ),
mnWidth( rSize.Width() ),
mnHeight( rSize.Height() ),
mfExactHeight( fExactHeight ),
mnOrientation( nOrientation ),
meLanguage( 0 ),
mbVertical( bVertical ),
mbNonAntialiased( false ),
mpFontData( &rFontData ),
mpFontEntry( NULL )
{
maTargetName = maSearchName = maName;
// NOTE: no normalization for width/height/orientation
}
// =======================================================================
size_t ImplFontCache::IFSD_Hash::operator()( const ImplFontSelectData& rFSD ) const
{
// TODO: does it pay off to improve this hash function?
static FontNameHash aFontNameHash;
size_t nHash = aFontNameHash( rFSD.maSearchName );
#ifdef ENABLE_GRAPHITE
// check for features and generate a unique hash if necessary
if (rFSD.maTargetName.Search(grutils::GrFeatureParser::FEAT_PREFIX)
!= STRING_NOTFOUND)
{
nHash = aFontNameHash( rFSD.maTargetName );
}
#endif
nHash += 11 * rFSD.mnHeight;
nHash += 19 * rFSD.meWeight;
nHash += 29 * rFSD.meItalic;
nHash += 37 * rFSD.mnOrientation;
nHash += 41 * rFSD.meLanguage;
if( rFSD.mbVertical )
nHash += 53;
return nHash;
}
// -----------------------------------------------------------------------
bool ImplFontCache::IFSD_Equal::operator()(const ImplFontSelectData& rA, const ImplFontSelectData& rB) const
{
// check normalized font family name
if( rA.maSearchName != rB.maSearchName )
return false;
// check font transformation
if( (rA.mnHeight != rB.mnHeight)
|| (rA.mnWidth != rB.mnWidth)
|| (rA.mnOrientation != rB.mnOrientation) )
return false;
// check mapping relevant attributes
if( (rA.mbVertical != rB.mbVertical)
|| (rA.meLanguage != rB.meLanguage) )
return false;
// check font face attributes
if( (rA.meWeight != rB.meWeight)
|| (rA.meItalic != rB.meItalic)
// || (rA.meFamily != rB.meFamily) // TODO: remove this mostly obsolete member
|| (rA.mePitch != rB.mePitch) )
return false;
// check style name
if( rA.maStyleName != rB.maStyleName)
return false;
// Symbol fonts may recode from one type to another So they are only
// safely equivalent for equal targets
if (
(rA.mpFontData && rA.mpFontData->IsSymbolFont()) ||
(rB.mpFontData && rB.mpFontData->IsSymbolFont())
)
{
if (rA.maTargetName != rB.maTargetName)
return false;
}
#ifdef ENABLE_GRAPHITE
// check for features
if ((rA.maTargetName.Search(grutils::GrFeatureParser::FEAT_PREFIX)
!= STRING_NOTFOUND ||
rB.maTargetName.Search(grutils::GrFeatureParser::FEAT_PREFIX)
!= STRING_NOTFOUND) && rA.maTargetName != rB.maTargetName)
return false;
#endif
return true;
}
// -----------------------------------------------------------------------
ImplFontCache::ImplFontCache( bool bPrinter )
: mpFirstEntry( NULL ),
mnRef0Count( 0 ),
mbPrinter( bPrinter )
{}
// -----------------------------------------------------------------------
ImplFontCache::~ImplFontCache()
{
FontInstanceList::iterator it = maFontInstanceList.begin();
for(; it != maFontInstanceList.end(); ++it )
{
ImplFontEntry* pEntry = (*it).second;
delete pEntry;
}
}
// -----------------------------------------------------------------------
ImplFontEntry* ImplFontCache::GetFontEntry( ImplDevFontList* pFontList,
const Font& rFont, const Size& rSize, float fExactHeight, ImplDirectFontSubstitution* pDevSpecific )
{
String aSearchName = rFont.GetName();
// TODO: also add device specific name caching
if( !pDevSpecific )
{
// check if the requested font name is already known
// if it is already known get its normalized search name
FontNameList::const_iterator it_name = maFontNameList.find( aSearchName );
if( it_name != maFontNameList.end() )
if( !(*it_name).second.EqualsAscii( "hg", 0, 2)
#ifdef ENABLE_GRAPHITE
&& (aSearchName.Search(grutils::GrFeatureParser::FEAT_PREFIX)
== STRING_NOTFOUND)
#endif
)
aSearchName = (*it_name).second;
}
// initialize internal font request object
ImplFontSelectData aFontSelData( rFont, aSearchName, rSize, fExactHeight );
return GetFontEntry( pFontList, aFontSelData, pDevSpecific );
}
// -----------------------------------------------------------------------
ImplFontEntry* ImplFontCache::GetFontEntry( ImplDevFontList* pFontList,
ImplFontSelectData& aFontSelData, ImplDirectFontSubstitution* pDevSpecific )
{
// check if a directly matching logical font instance is already cached,
// the most recently used font usually has a hit rate of >50%
ImplFontEntry *pEntry = NULL;
ImplDevFontListData* pFontFamily = NULL;
IFSD_Equal aIFSD_Equal;
if( mpFirstEntry && aIFSD_Equal( aFontSelData, mpFirstEntry->maFontSelData ) )
pEntry = mpFirstEntry;
else
{
FontInstanceList::iterator it = maFontInstanceList.find( aFontSelData );
if( it != maFontInstanceList.end() )
pEntry = (*it).second;
}
if( !pEntry ) // no direct cache hit
{
// find the best matching logical font family and update font selector accordingly
pFontFamily = pFontList->ImplFindByFont( aFontSelData, mbPrinter, pDevSpecific );
DBG_ASSERT( (pFontFamily != NULL), "ImplFontCache::Get() No logical font found!" );
if( pFontFamily )
aFontSelData.maSearchName = pFontFamily->GetSearchName();
// check if an indirectly matching logical font instance is already cached
FontInstanceList::iterator it = maFontInstanceList.find( aFontSelData );
if( it != maFontInstanceList.end() )
{
// we have an indirect cache hit
pEntry = (*it).second;
// cache the requested and the selected font names
// => next time there is a good chance for a direct cache hit
// don't allow the cache to grow too big
// TODO: implement some fancy LRU caching?
if( maFontNameList.size() >= 4000 )
maFontNameList.clear();
// TODO: also add device specific name caching
if( !pDevSpecific )
if( aFontSelData.maName != aFontSelData.maSearchName )
maFontNameList[ aFontSelData.maName ] = aFontSelData.maSearchName;
}
}
if( pEntry ) // cache hit => use existing font instance
{
// increase the font instance's reference count
if( !pEntry->mnRefCount++ )
--mnRef0Count;
}
else // no cache hit => create a new font instance
{
// find the best matching physical font face
ImplFontData* pFontData = pFontFamily->FindBestFontFace( aFontSelData );
aFontSelData.mpFontData = pFontData;
// create a new logical font instance from this physical font face
pEntry = pFontData->CreateFontInstance( aFontSelData );
// if we found a different symbol font we need a symbol conversion table
if( pFontData->IsSymbolFont() )
if( aFontSelData.maTargetName != aFontSelData.maSearchName )
pEntry->mpConversion = ConvertChar::GetRecodeData( aFontSelData.maTargetName, aFontSelData.maSearchName );
// add the new entry to the cache
maFontInstanceList[ aFontSelData ] = pEntry;
}
mpFirstEntry = pEntry;
return pEntry;
}
// -----------------------------------------------------------------------
ImplDevFontListData* ImplDevFontList::ImplFindByFont( ImplFontSelectData& rFSD,
bool bPrinter, ImplDirectFontSubstitution* pDevSpecific ) const
{
// give up if no fonts are available
if( !Count() )
return NULL;
// test if a font in the token list is available
// substitute the font if this was requested
sal_uInt16 nSubstFlags = FONT_SUBSTITUTE_ALWAYS;
if ( bPrinter )
nSubstFlags |= FONT_SUBSTITUTE_SCREENONLY;
bool bMultiToken = false;
xub_StrLen nTokenPos = 0;
String& aSearchName = rFSD.maSearchName; // TODO: get rid of reference
for(;;)
{
rFSD.maTargetName = GetNextFontToken( rFSD.maName, nTokenPos );
aSearchName = rFSD.maTargetName;
#ifdef ENABLE_GRAPHITE
// Until features are properly supported, they are appended to the
// font name, so we need to strip them off so the font is found.
xub_StrLen nFeat = aSearchName.Search(grutils::GrFeatureParser::FEAT_PREFIX);
String aOrigName = rFSD.maTargetName;
String aBaseFontName(aSearchName, 0, (nFeat != STRING_NOTFOUND)?nFeat:aSearchName.Len());
if (nFeat != STRING_NOTFOUND && STRING_NOTFOUND !=
aSearchName.Search(grutils::GrFeatureParser::FEAT_ID_VALUE_SEPARATOR, nFeat))
{
aSearchName = aBaseFontName;
rFSD.maTargetName = aBaseFontName;
}
#endif
GetEnglishSearchFontName( aSearchName );
ImplFontSubstitute( aSearchName, nSubstFlags, pDevSpecific );
// #114999# special emboldening for Ricoh fonts
// TODO: smarter check for special cases by using PreMatch infrastructure?
if( (rFSD.meWeight > WEIGHT_MEDIUM)
&& aSearchName.EqualsAscii( "hg", 0, 2) )
{
String aBoldName;
if( aSearchName.EqualsAscii( "hggothicb", 0, 9) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hggothice"));
else if( aSearchName.EqualsAscii( "hgpgothicb", 0, 10) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hgpgothice"));
else if( aSearchName.EqualsAscii( "hgminchol", 0, 9) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hgminchob"));
else if( aSearchName.EqualsAscii( "hgpminchol", 0, 10) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hgpminchob"));
else if( aSearchName.EqualsAscii( "hgminchob" ) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hgminchoe"));
else if( aSearchName.EqualsAscii( "hgpminchob" ) )
aBoldName = String(RTL_CONSTASCII_USTRINGPARAM("hgpminchoe"));
if( aBoldName.Len() && ImplFindBySearchName( aBoldName ) )
{
// the other font is available => use it
aSearchName = aBoldName;
// prevent synthetic emboldening of bold version
rFSD.meWeight = WEIGHT_DONTKNOW;
}
}
#ifdef ENABLE_GRAPHITE
// restore the features to make the font selection data unique
rFSD.maTargetName = aOrigName;
#endif
// check if the current font name token or its substitute is valid
ImplDevFontListData* pFoundData = ImplFindBySearchName( aSearchName );
if( pFoundData )
return pFoundData;
// some systems provide special customization
// e.g. they suggest "serif" as UI-font, but this name cannot be used directly
// because the system wants to map it to another font first, e.g. "Helvetica"
#ifdef ENABLE_GRAPHITE
// use the target name to search in the prematch hook
rFSD.maTargetName = aBaseFontName;
#endif
if( mpPreMatchHook )
if( mpPreMatchHook->FindFontSubstitute( rFSD ) )
GetEnglishSearchFontName( aSearchName );
#ifdef ENABLE_GRAPHITE
// the prematch hook uses the target name to search, but we now need
// to restore the features to make the font selection data unique
rFSD.maTargetName = aOrigName;
#endif
pFoundData = ImplFindBySearchName( aSearchName );
if( pFoundData )
return pFoundData;
// break after last font name token was checked unsuccessfully
if( nTokenPos == STRING_NOTFOUND)
break;
bMultiToken = true;
}
// if the first font was not available find the next available font in
// the semicolon separated list of font names. A font is also considered
// available when there is a matching entry in the Tools->Options->Fonts
// dialog witho neither ALWAYS nor SCREENONLY flags set and the substitution
// font is available
for( nTokenPos = 0; nTokenPos != STRING_NOTFOUND; )
{
if( bMultiToken )
{
rFSD.maTargetName = GetNextFontToken( rFSD.maName, nTokenPos );
aSearchName = rFSD.maTargetName;
GetEnglishSearchFontName( aSearchName );
}
else
nTokenPos = STRING_NOTFOUND;
if( mpPreMatchHook )
if( mpPreMatchHook->FindFontSubstitute( rFSD ) )
GetEnglishSearchFontName( aSearchName );
ImplFontSubstitute( aSearchName, nSubstFlags, pDevSpecific );
ImplDevFontListData* pFoundData = ImplFindBySearchName( aSearchName );
if( pFoundData )
return pFoundData;
}
// if no font with a directly matching name is available use the
// first font name token and get its attributes to find a replacement
if ( bMultiToken )
{
nTokenPos = 0;
rFSD.maTargetName = GetNextFontToken( rFSD.maName, nTokenPos );
aSearchName = rFSD.maTargetName;
GetEnglishSearchFontName( aSearchName );
}
String aSearchShortName;
String aSearchFamilyName;
FontWeight eSearchWeight = rFSD.meWeight;
FontWidth eSearchWidth = rFSD.meWidthType;
sal_uLong nSearchType = 0;
FontSubstConfiguration::getMapName( aSearchName, aSearchShortName, aSearchFamilyName,
eSearchWeight, eSearchWidth, nSearchType );
// note: the search name was already translated to english (if possible)
// use the font's shortened name if needed
if ( aSearchShortName != aSearchName )
{
ImplDevFontListData* pFoundData = ImplFindBySearchName( aSearchShortName );
if( pFoundData )
{
#ifdef UNX
/* #96738# don't use mincho as an replacement for "MS Mincho" on X11: Mincho is
a korean bitmap font that is not suitable here. Use the font replacement table,
that automatically leads to the desired "HG Mincho Light J". Same story for
MS Gothic, there are thai and korean "Gothic" fonts, so we even prefer Andale */
static String aMS_Mincho( RTL_CONSTASCII_USTRINGPARAM("msmincho") );
static String aMS_Gothic( RTL_CONSTASCII_USTRINGPARAM("msgothic") );
if ((aSearchName != aMS_Mincho) && (aSearchName != aMS_Gothic))
// TODO: add heuristic to only throw out the fake ms* fonts
#endif
{
return pFoundData;
}
}
}
// use font fallback
const FontNameAttr* pFontAttr = NULL;
if( aSearchName.Len() )
{
// get fallback info using FontSubstConfiguration and
// the target name, it's shortened name and family name in that order
const FontSubstConfiguration& rFontSubst = *FontSubstConfiguration::get();
pFontAttr = rFontSubst.getSubstInfo( aSearchName );
if ( !pFontAttr && (aSearchShortName != aSearchName) )
pFontAttr = rFontSubst.getSubstInfo( aSearchShortName );
if ( !pFontAttr && (aSearchFamilyName != aSearchShortName) )
pFontAttr = rFontSubst.getSubstInfo( aSearchFamilyName );
// try the font substitutions suggested by the fallback info
if( pFontAttr )
{
ImplDevFontListData* pFoundData = ImplFindBySubstFontAttr( *pFontAttr );
if( pFoundData )
return pFoundData;
}
}
// if a target symbol font is not available use a default symbol font
if( rFSD.IsSymbolFont() )
{
com::sun::star::lang::Locale aDefaultLocale( OUString( RTL_CONSTASCII_USTRINGPARAM("en") ), OUString(), OUString() );
aSearchName = DefaultFontConfiguration::get()->getDefaultFont( aDefaultLocale, DEFAULTFONT_SYMBOL );
ImplDevFontListData* pFoundData = ImplFindByTokenNames( aSearchName );
if( pFoundData )
return pFoundData;
}
// now try the other font name tokens
while( nTokenPos != STRING_NOTFOUND )
{
rFSD.maTargetName = GetNextFontToken( rFSD.maName, nTokenPos );
if( !rFSD.maTargetName.Len() )
continue;
aSearchName = rFSD.maTargetName;
GetEnglishSearchFontName( aSearchName );
String aTempShortName;
String aTempFamilyName;
sal_uLong nTempType = 0;
FontWeight eTempWeight = rFSD.meWeight;
FontWidth eTempWidth = WIDTH_DONTKNOW;
FontSubstConfiguration::getMapName( aSearchName, aTempShortName, aTempFamilyName,
eTempWeight, eTempWidth, nTempType );
// use a shortend token name if available
if( aTempShortName != aSearchName )
{
ImplDevFontListData* pFoundData = ImplFindBySearchName( aTempShortName );
if( pFoundData )
return pFoundData;
}
// use a font name from font fallback list to determine font attributes
// get fallback info using FontSubstConfiguration and
// the target name, it's shortened name and family name in that order
const FontSubstConfiguration& rFontSubst = *FontSubstConfiguration::get();
const FontNameAttr* pTempFontAttr = rFontSubst.getSubstInfo( aSearchName );
if ( !pTempFontAttr && (aTempShortName != aSearchName) )
pTempFontAttr = rFontSubst.getSubstInfo( aTempShortName );
if ( !pTempFontAttr && (aTempFamilyName != aTempShortName) )
pTempFontAttr = rFontSubst.getSubstInfo( aTempFamilyName );
// try the font substitutions suggested by the fallback info
if( pTempFontAttr )
{
ImplDevFontListData* pFoundData = ImplFindBySubstFontAttr( *pTempFontAttr );
if( pFoundData )
return pFoundData;
if( !pFontAttr )
pFontAttr = pTempFontAttr;
}
}
// if still needed use the alias names of the installed fonts
if( mbMapNames )
{
ImplDevFontListData* pFoundData = ImplFindByAliasName( rFSD.maTargetName, aSearchShortName );
if( pFoundData )
return pFoundData;
}
// if still needed use the font request's attributes to find a good match
switch( rFSD.meLanguage )
{
case LANGUAGE_CHINESE:
case LANGUAGE_CHINESE_SIMPLIFIED:
case LANGUAGE_CHINESE_SINGAPORE:
nSearchType |= IMPL_FONT_ATTR_CJK | IMPL_FONT_ATTR_CJK_SC;
break;
case LANGUAGE_CHINESE_TRADITIONAL:
case LANGUAGE_CHINESE_HONGKONG:
case LANGUAGE_CHINESE_MACAU:
nSearchType |= IMPL_FONT_ATTR_CJK | IMPL_FONT_ATTR_CJK_TC;
break;
case LANGUAGE_KOREAN:
case LANGUAGE_KOREAN_JOHAB:
nSearchType |= IMPL_FONT_ATTR_CJK | IMPL_FONT_ATTR_CJK_KR;
break;
case LANGUAGE_JAPANESE:
nSearchType |= IMPL_FONT_ATTR_CJK | IMPL_FONT_ATTR_CJK_JP;
break;
default:
nSearchType |= ImplIsCJKFont( rFSD.maName );
if( rFSD.IsSymbolFont() )
nSearchType |= IMPL_FONT_ATTR_SYMBOL;
break;
}
ImplCalcType( nSearchType, eSearchWeight, eSearchWidth, rFSD.meFamily, pFontAttr );
ImplDevFontListData* pFoundData = ImplFindByAttributes( nSearchType,
eSearchWeight, eSearchWidth, rFSD.meFamily, rFSD.meItalic, aSearchFamilyName );
if( pFoundData )
{
// overwrite font selection attributes using info from the typeface flags
if( (eSearchWeight >= WEIGHT_BOLD)
&& (eSearchWeight > rFSD.meWeight)
&& (pFoundData->mnTypeFaces & IMPL_DEVFONT_BOLD) )
rFSD.meWeight = eSearchWeight;
else if( (eSearchWeight < WEIGHT_NORMAL)
&& (eSearchWeight < rFSD.meWeight)
&& (eSearchWeight != WEIGHT_DONTKNOW)
&& (pFoundData->mnTypeFaces & IMPL_DEVFONT_LIGHT) )
rFSD.meWeight = eSearchWeight;
if( (nSearchType & IMPL_FONT_ATTR_ITALIC)
&& ((rFSD.meItalic == ITALIC_DONTKNOW) || (rFSD.meItalic == ITALIC_NONE))
&& (pFoundData->mnTypeFaces & IMPL_DEVFONT_ITALIC) )
rFSD.meItalic = ITALIC_NORMAL;
}
else
{
// if still needed fall back to default fonts
pFoundData = FindDefaultFont();
}
return pFoundData;
}
// -----------------------------------------------------------------------
ImplFontEntry* ImplFontCache::GetGlyphFallbackFont( ImplDevFontList* pFontList,
ImplFontSelectData& rFontSelData, int nFallbackLevel, rtl::OUString& rMissingCodes )
{
// get a candidate font for glyph fallback
// unless the previously selected font got a device specific substitution
// e.g. PsPrint Arial->Helvetica for udiaeresis when Helvetica doesn't support it
if( nFallbackLevel >= 1)
{
ImplDevFontListData* pFallbackData = pFontList->GetGlyphFallbackFont(
rFontSelData, rMissingCodes, nFallbackLevel-1 );
// escape when there are no font candidates
if( !pFallbackData )
return NULL;
// override the font name
rFontSelData.maName = pFallbackData->GetFamilyName();
// clear the cached normalized name
rFontSelData.maSearchName = String();
}
// get device font without doing device specific substitutions
ImplFontEntry* pFallbackFont = GetFontEntry( pFontList, rFontSelData, NULL );
return pFallbackFont;
}
// -----------------------------------------------------------------------
void ImplFontCache::Release( ImplFontEntry* pEntry )
{
static const int FONTCACHE_MAX = 50;
DBG_ASSERT( (pEntry->mnRefCount > 0), "ImplFontCache::Release() - font refcount underflow" );
if( --pEntry->mnRefCount > 0 )
return;
if( ++mnRef0Count < FONTCACHE_MAX )
return;
// remove unused entries from font instance cache
FontInstanceList::iterator it_next = maFontInstanceList.begin();
while( it_next != maFontInstanceList.end() )
{
FontInstanceList::iterator it = it_next++;
ImplFontEntry* pFontEntry = (*it).second;
if( pFontEntry->mnRefCount > 0 )
continue;
maFontInstanceList.erase( it );
delete pFontEntry;
--mnRef0Count;
DBG_ASSERT( (mnRef0Count>=0), "ImplFontCache::Release() - refcount0 underflow" );
if( mpFirstEntry == pFontEntry )
mpFirstEntry = NULL;
}
DBG_ASSERT( (mnRef0Count==0), "ImplFontCache::Release() - refcount0 mismatch" );
}
// -----------------------------------------------------------------------
void ImplFontCache::Invalidate()
{
// delete unreferenced entries
FontInstanceList::iterator it = maFontInstanceList.begin();
for(; it != maFontInstanceList.end(); ++it )
{
ImplFontEntry* pFontEntry = (*it).second;
if( pFontEntry->mnRefCount > 0 )
continue;
delete pFontEntry;
--mnRef0Count;
}
// #112304# make sure the font cache is really clean
mpFirstEntry = NULL;
maFontInstanceList.clear();
DBG_ASSERT( (mnRef0Count==0), "ImplFontCache::Invalidate() - mnRef0Count non-zero" );
#ifdef USE_BUILTIN_RASTERIZER
// TODO: eventually move into SalGraphics layer
GlyphCache::GetInstance().InvalidateAllGlyphs();
#endif
}
// =======================================================================
ImplMultiTextLineInfo::ImplMultiTextLineInfo()
{
mpLines = new PImplTextLineInfo[MULTITEXTLINEINFO_RESIZE];
mnLines = 0;
mnSize = MULTITEXTLINEINFO_RESIZE;
}
ImplMultiTextLineInfo::~ImplMultiTextLineInfo()
{
for ( xub_StrLen i = 0; i < mnLines; i++ )
delete mpLines[i];
delete [] mpLines;
}
void ImplMultiTextLineInfo::AddLine( ImplTextLineInfo* pLine )
{
if ( mnSize == mnLines )
{
mnSize += MULTITEXTLINEINFO_RESIZE;
PImplTextLineInfo* pNewLines = new PImplTextLineInfo[mnSize];
memcpy( pNewLines, mpLines, mnLines*sizeof(PImplTextLineInfo) );
mpLines = pNewLines;
}
mpLines[mnLines] = pLine;
mnLines++;
}
void ImplMultiTextLineInfo::Clear()
{
for ( xub_StrLen i = 0; i < mnLines; i++ )
delete mpLines[i];
mnLines = 0;
}
// =======================================================================
FontEmphasisMark OutputDevice::ImplGetEmphasisMarkStyle( const Font& rFont )
{
FontEmphasisMark nEmphasisMark = rFont.GetEmphasisMark();
// If no Position is set, then calculate the default position, which
// depends on the language
if ( !(nEmphasisMark & (EMPHASISMARK_POS_ABOVE | EMPHASISMARK_POS_BELOW)) )
{
LanguageType eLang = rFont.GetLanguage();
// In Chinese Simplified the EmphasisMarks are below/left
if ( (eLang == LANGUAGE_CHINESE_SIMPLIFIED) ||
(eLang == LANGUAGE_CHINESE_SINGAPORE) )
nEmphasisMark |= EMPHASISMARK_POS_BELOW;
else
{
eLang = rFont.GetCJKContextLanguage();
// In Chinese Simplified the EmphasisMarks are below/left
if ( (eLang == LANGUAGE_CHINESE_SIMPLIFIED) ||
(eLang == LANGUAGE_CHINESE_SINGAPORE) )
nEmphasisMark |= EMPHASISMARK_POS_BELOW;
else
nEmphasisMark |= EMPHASISMARK_POS_ABOVE;
}
}
return nEmphasisMark;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::ImplIsUnderlineAbove( const Font& rFont )
{
if ( !rFont.IsVertical() )
return sal_False;
if( (LANGUAGE_JAPANESE == rFont.GetLanguage())
|| (LANGUAGE_JAPANESE == rFont.GetCJKContextLanguage()) )
// the underline is right for Japanese only
return sal_True;
return sal_False;
}
// =======================================================================
void OutputDevice::ImplInitFontList() const
{
if( ! mpFontList->Count() )
{
if( mpGraphics || ImplGetGraphics() )
{
RTL_LOGFILE_CONTEXT( aLog, "OutputDevice::ImplInitFontList()" );
mpGraphics->GetDevFontList( mpFontList );
}
}
if( meOutDevType == OUTDEV_WINDOW && ! mpFontList->Count() )
{
String aError( RTL_CONSTASCII_USTRINGPARAM( "Application error: no fonts and no vcl resource found on your system" ) );
ResMgr* pMgr = ImplGetResMgr();
if( pMgr )
{
String aResStr( ResId( SV_ACCESSERROR_NO_FONTS, *pMgr ) );
if( aResStr.Len() )
aError = aResStr;
}
Application::Abort( aError );
}
}
// =======================================================================
void OutputDevice::ImplInitFont() const
{
DBG_TESTSOLARMUTEX();
if ( mbInitFont )
{
if ( meOutDevType != OUTDEV_PRINTER )
{
// decide if antialiasing is appropriate
bool bNonAntialiased = (GetAntialiasing() & ANTIALIASING_DISABLE_TEXT) != 0;
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
bNonAntialiased |= ((rStyleSettings.GetDisplayOptions() & DISPLAY_OPTION_AA_DISABLE) != 0);
bNonAntialiased |= (int(rStyleSettings.GetAntialiasingMinPixelHeight()) > mpFontEntry->maFontSelData.mnHeight);
mpFontEntry->maFontSelData.mbNonAntialiased = bNonAntialiased;
}
if( !mpPDFWriter || !mpPDFWriter->isBuiltinFont( mpFontEntry->maFontSelData.mpFontData ) )
{
// select font in the device layers
mpFontEntry->mnSetFontFlags = mpGraphics->SetFont( &(mpFontEntry->maFontSelData), 0 );
}
mbInitFont = false;
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplInitTextColor()
{
DBG_TESTSOLARMUTEX();
if ( mbInitTextColor )
{
mpGraphics->SetTextColor( ImplColorToSal( GetTextColor() ) );
mbInitTextColor = sal_False;
}
}
// -----------------------------------------------------------------------
bool OutputDevice::ImplNewFont() const
{
DBG_TESTSOLARMUTEX();
// get correct font list on the PDF writer if necessary
if( mpPDFWriter )
{
const ImplSVData* pSVData = ImplGetSVData();
if( mpFontList == pSVData->maGDIData.mpScreenFontList
|| mpFontCache == pSVData->maGDIData.mpScreenFontCache )
const_cast<OutputDevice&>(*this).ImplUpdateFontData( true );
}
if ( !mbNewFont )
return true;
// we need a graphics
if ( !mpGraphics && !ImplGetGraphics() )
return false;
SalGraphics* pGraphics = mpGraphics;
ImplInitFontList();
// convert to pixel height
// TODO: replace integer based aSize completely with subpixel accurate type
float fExactHeight = ImplFloatLogicHeightToDevicePixel( static_cast<float>(maFont.GetHeight()) );
Size aSize = ImplLogicToDevicePixel( maFont.GetSize() );
if ( !aSize.Height() )
{
// use default pixel height only when logical height is zero
if ( maFont.GetSize().Height() )
aSize.Height() = 1;
else
aSize.Height() = (12*mnDPIY)/72;
fExactHeight = static_cast<float>(aSize.Height());
}
// select the default width only when logical width is zero
if( (0 == aSize.Width()) && (0 != maFont.GetSize().Width()) )
aSize.Width() = 1;
// get font entry
ImplDirectFontSubstitution* pDevSpecificSubst = NULL;
if( mpOutDevData )
pDevSpecificSubst = &mpOutDevData->maDevFontSubst;
ImplFontEntry* pOldEntry = mpFontEntry;
mpFontEntry = mpFontCache->GetFontEntry( mpFontList, maFont, aSize, fExactHeight, pDevSpecificSubst );
if( pOldEntry )
mpFontCache->Release( pOldEntry );
ImplFontEntry* pFontEntry = mpFontEntry;
// mark when lower layers need to get involved
mbNewFont = sal_False;
if( pFontEntry != pOldEntry )
mbInitFont = sal_True;
// select font when it has not been initialized yet
if ( !pFontEntry->mbInit )
{
ImplInitFont();
// get metric data from device layers
if ( pGraphics )
{
pFontEntry->mbInit = true;
pFontEntry->maMetric.mnOrientation = sal::static_int_cast<short>(pFontEntry->maFontSelData.mnOrientation);
if( mpPDFWriter && mpPDFWriter->isBuiltinFont( pFontEntry->maFontSelData.mpFontData ) )
mpPDFWriter->getFontMetric( &pFontEntry->maFontSelData, &(pFontEntry->maMetric) );
else
pGraphics->GetFontMetric( &(pFontEntry->maMetric) );
pFontEntry->maMetric.ImplInitTextLineSize( this );
pFontEntry->maMetric.ImplInitAboveTextLineSize();
pFontEntry->mnLineHeight = pFontEntry->maMetric.mnAscent + pFontEntry->maMetric.mnDescent;
if( pFontEntry->maFontSelData.mnOrientation
&& !pFontEntry->maMetric.mnOrientation
&& (meOutDevType != OUTDEV_PRINTER) )
{
pFontEntry->mnOwnOrientation = sal::static_int_cast<short>(pFontEntry->maFontSelData.mnOrientation);
pFontEntry->mnOrientation = pFontEntry->mnOwnOrientation;
}
else
pFontEntry->mnOrientation = pFontEntry->maMetric.mnOrientation;
}
}
// enable kerning array if requested
if ( maFont.GetKerning() & KERNING_FONTSPECIFIC )
{
// TODO: test if physical font supports kerning and disable if not
if( pFontEntry->maMetric.mbKernableFont )
mbKerning = true;
}
else
mbKerning = false;
if ( maFont.GetKerning() & KERNING_ASIAN )
mbKerning = true;
// calculate EmphasisArea
mnEmphasisAscent = 0;
mnEmphasisDescent = 0;
if ( maFont.GetEmphasisMark() & EMPHASISMARK_STYLE )
{
FontEmphasisMark nEmphasisMark = ImplGetEmphasisMarkStyle( maFont );
long nEmphasisHeight = (pFontEntry->mnLineHeight*250)/1000;
if ( nEmphasisHeight < 1 )
nEmphasisHeight = 1;
if ( nEmphasisMark & EMPHASISMARK_POS_BELOW )
mnEmphasisDescent = nEmphasisHeight;
else
mnEmphasisAscent = nEmphasisHeight;
}
// calculate text offset depending on TextAlignment
TextAlign eAlign = maFont.GetAlign();
if ( eAlign == ALIGN_BASELINE )
{
mnTextOffX = 0;
mnTextOffY = 0;
}
else if ( eAlign == ALIGN_TOP )
{
mnTextOffX = 0;
mnTextOffY = +pFontEntry->maMetric.mnAscent + mnEmphasisAscent;
if ( pFontEntry->mnOrientation )
ImplRotatePos( 0, 0, mnTextOffX, mnTextOffY, pFontEntry->mnOrientation );
}
else // eAlign == ALIGN_BOTTOM
{
mnTextOffX = 0;
mnTextOffY = -pFontEntry->maMetric.mnDescent + mnEmphasisDescent;
if ( pFontEntry->mnOrientation )
ImplRotatePos( 0, 0, mnTextOffX, mnTextOffY, pFontEntry->mnOrientation );
}
mbTextLines = ((maFont.GetUnderline() != UNDERLINE_NONE) && (maFont.GetUnderline() != UNDERLINE_DONTKNOW)) ||
((maFont.GetOverline() != UNDERLINE_NONE) && (maFont.GetOverline() != UNDERLINE_DONTKNOW)) ||
((maFont.GetStrikeout() != STRIKEOUT_NONE) && (maFont.GetStrikeout() != STRIKEOUT_DONTKNOW));
mbTextSpecial = maFont.IsShadow() || maFont.IsOutline() ||
(maFont.GetRelief() != RELIEF_NONE);
// #95414# fix for OLE objects which use scale factors very creatively
if( mbMap && !aSize.Width() )
{
int nOrigWidth = pFontEntry->maMetric.mnWidth;
float fStretch = (float)maMapRes.mnMapScNumX * maMapRes.mnMapScDenomY;
fStretch /= (float)maMapRes.mnMapScNumY * maMapRes.mnMapScDenomX;
int nNewWidth = (int)(nOrigWidth * fStretch + 0.5);
if( (nNewWidth != nOrigWidth) && (nNewWidth != 0) )
{
Size aOrigSize = maFont.GetSize();
const_cast<Font&>(maFont).SetSize( Size( nNewWidth, aSize.Height() ) );
mbMap = sal_False;
mbNewFont = sal_True;
ImplNewFont(); // recurse once using stretched width
mbMap = sal_True;
const_cast<Font&>(maFont).SetSize( aOrigSize );
}
}
return true;
}
// -----------------------------------------------------------------------
long OutputDevice::ImplGetTextWidth( const SalLayout& rSalLayout ) const
{
long nWidth = rSalLayout.GetTextWidth();
nWidth /= rSalLayout.GetUnitsPerPixel();
return nWidth;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawTextRect( long nBaseX, long nBaseY,
long nDistX, long nDistY, long nWidth, long nHeight )
{
long nX = nDistX;
long nY = nDistY;
short nOrientation = mpFontEntry->mnOrientation;
if ( nOrientation )
{
// Rotate rect without rounding problems for 90 degree rotations
if ( !(nOrientation % 900) )
{
if ( nOrientation == 900 )
{
long nTemp = nX;
nX = nY;
nY = -nTemp;
nTemp = nWidth;
nWidth = nHeight;
nHeight = nTemp;
nY -= nHeight;
}
else if ( nOrientation == 1800 )
{
nX = -nX;
nY = -nY;
nX -= nWidth;
nY -= nHeight;
}
else /* ( nOrientation == 2700 ) */
{
long nTemp = nX;
nX = -nY;
nY = nTemp;
nTemp = nWidth;
nWidth = nHeight;
nHeight = nTemp;
nX -= nWidth;
}
}
else
{
nX += nBaseX;
nY += nBaseY;
// inflate because polygons are drawn smaller
Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
Polygon aPoly( aRect );
aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontEntry->mnOrientation );
ImplDrawPolygon( aPoly );
return;
}
}
nX += nBaseX;
nY += nBaseY;
mpGraphics->DrawRect( nX, nY, nWidth, nHeight, this );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawTextBackground( const SalLayout& rSalLayout )
{
const long nWidth = rSalLayout.GetTextWidth() / rSalLayout.GetUnitsPerPixel();
const Point aBase = rSalLayout.DrawBase();
const long nX = aBase.X();
const long nY = aBase.Y();
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = sal_True;
}
mpGraphics->SetFillColor( ImplColorToSal( GetTextFillColor() ) );
mbInitFillColor = sal_True;
ImplDrawTextRect( nX, nY, 0, -(mpFontEntry->maMetric.mnAscent + mnEmphasisAscent),
nWidth,
mpFontEntry->mnLineHeight+mnEmphasisAscent+mnEmphasisDescent );
}
// -----------------------------------------------------------------------
Rectangle OutputDevice::ImplGetTextBoundRect( const SalLayout& rSalLayout )
{
Point aPoint = rSalLayout.GetDrawPosition();
long nX = aPoint.X();
long nY = aPoint.Y();
long nWidth = rSalLayout.GetTextWidth();
long nHeight = mpFontEntry->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
nY -= mpFontEntry->maMetric.mnAscent + mnEmphasisAscent;
if ( mpFontEntry->mnOrientation )
{
long nBaseX = nX, nBaseY = nY;
if ( !(mpFontEntry->mnOrientation % 900) )
{
long nX2 = nX+nWidth;
long nY2 = nY+nHeight;
ImplRotatePos( nBaseX, nBaseY, nX, nY, mpFontEntry->mnOrientation );
ImplRotatePos( nBaseX, nBaseY, nX2, nY2, mpFontEntry->mnOrientation );
nWidth = nX2-nX;
nHeight = nY2-nY;
}
else
{
// inflate by +1+1 because polygons are drawn smaller
Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
Polygon aPoly( aRect );
aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontEntry->mnOrientation );
return aPoly.GetBoundRect();
}
}
return Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplInitTextLineSize()
{
mpFontEntry->maMetric.ImplInitTextLineSize( this );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplInitAboveTextLineSize()
{
mpFontEntry->maMetric.ImplInitAboveTextLineSize();
}
// -----------------------------------------------------------------------
ImplFontMetricData::ImplFontMetricData( const ImplFontSelectData& rFontSelData )
: ImplFontAttributes( rFontSelData )
{
// initialize the members provided by the font request
mnWidth = rFontSelData.mnWidth;
mnSlant = rFontSelData.GetSlant();
mnOrientation = sal::static_int_cast<short>(rFontSelData.mnOrientation);
// intialize the used font name
if( rFontSelData.mpFontData )
{
maName = rFontSelData.mpFontData->maName;
maStyleName= rFontSelData.mpFontData->maStyleName;
mbDevice = rFontSelData.mpFontData->mbDevice;
mbKernableFont = true;
}
else
{
xub_StrLen nTokenPos = 0;
maName = GetNextFontToken( rFontSelData.maName, nTokenPos );
maStyleName= rFontSelData.maStyleName;
mbDevice = false;
mbKernableFont = false;
}
// reset metrics that are usually measured for the font instance
mnAscent = 0;
mnDescent = 0;
mnIntLeading = 0;
mnExtLeading = 0;
mnMinKashida = 0;
// reset metrics that are usually derived from the measurements
mnUnderlineSize = 0;
mnUnderlineOffset = 0;
mnBUnderlineSize = 0;
mnBUnderlineOffset = 0;
mnDUnderlineSize = 0;
mnDUnderlineOffset1 = 0;
mnDUnderlineOffset2 = 0;
mnWUnderlineSize = 0;
mnWUnderlineOffset = 0;
mnAboveUnderlineSize = 0;
mnAboveUnderlineOffset = 0;
mnAboveBUnderlineSize = 0;
mnAboveBUnderlineOffset = 0;
mnAboveDUnderlineSize = 0;
mnAboveDUnderlineOffset1 = 0;
mnAboveDUnderlineOffset2 = 0;
mnAboveWUnderlineSize = 0;
mnAboveWUnderlineOffset = 0;
mnStrikeoutSize = 0;
mnStrikeoutOffset = 0;
mnBStrikeoutSize = 0;
mnBStrikeoutOffset = 0;
mnDStrikeoutSize = 0;
mnDStrikeoutOffset1 = 0;
mnDStrikeoutOffset2 = 0;
}
// -----------------------------------------------------------------------
void ImplFontMetricData::ImplInitTextLineSize( const OutputDevice* pDev )
{
long nDescent = mnDescent;
if ( nDescent <= 0 )
{
nDescent = mnAscent / 10;
if ( !nDescent )
nDescent = 1;
}
// #i55341# for some fonts it is not a good idea to calculate
// their text line metrics from the real font descent
// => work around this problem just for these fonts
if( 3*nDescent > mnAscent )
nDescent = mnAscent / 3;
long nLineHeight = ((nDescent*25)+50) / 100;
if ( !nLineHeight )
nLineHeight = 1;
long nLineHeight2 = nLineHeight / 2;
if ( !nLineHeight2 )
nLineHeight2 = 1;
long nBLineHeight = ((nDescent*50)+50) / 100;
if ( nBLineHeight == nLineHeight )
nBLineHeight++;
long nBLineHeight2 = nBLineHeight/2;
if ( !nBLineHeight2 )
nBLineHeight2 = 1;
long n2LineHeight = ((nDescent*16)+50) / 100;
if ( !n2LineHeight )
n2LineHeight = 1;
long n2LineDY = n2LineHeight;
/* #117909#
* add some pixels to minimum double line distance on higher resolution devices
*/
long nMin2LineDY = 1 + pDev->ImplGetDPIY()/150;
if ( n2LineDY < nMin2LineDY )
n2LineDY = nMin2LineDY;
long n2LineDY2 = n2LineDY/2;
if ( !n2LineDY2 )
n2LineDY2 = 1;
long nUnderlineOffset = mnDescent/2 + 1;
long nStrikeoutOffset = -((mnAscent - mnIntLeading) / 3);
mnUnderlineSize = nLineHeight;
mnUnderlineOffset = nUnderlineOffset - nLineHeight2;
mnBUnderlineSize = nBLineHeight;
mnBUnderlineOffset = nUnderlineOffset - nBLineHeight2;
mnDUnderlineSize = n2LineHeight;
mnDUnderlineOffset1 = nUnderlineOffset - n2LineDY2 - n2LineHeight;
mnDUnderlineOffset2 = mnDUnderlineOffset1 + n2LineDY + n2LineHeight;
long nWCalcSize = mnDescent;
if ( nWCalcSize < 6 )
{
if ( (nWCalcSize == 1) || (nWCalcSize == 2) )
mnWUnderlineSize = nWCalcSize;
else
mnWUnderlineSize = 3;
}
else
mnWUnderlineSize = ((nWCalcSize*50)+50) / 100;
// #109280# the following line assures that wavelnes are never placed below the descent, however
// for most fonts the waveline then is drawn into the text, so we better keep the old solution
// pFontEntry->maMetric.mnWUnderlineOffset = pFontEntry->maMetric.mnDescent + 1 - pFontEntry->maMetric.mnWUnderlineSize;
mnWUnderlineOffset = nUnderlineOffset;
mnStrikeoutSize = nLineHeight;
mnStrikeoutOffset = nStrikeoutOffset - nLineHeight2;
mnBStrikeoutSize = nBLineHeight;
mnBStrikeoutOffset = nStrikeoutOffset - nBLineHeight2;
mnDStrikeoutSize = n2LineHeight;
mnDStrikeoutOffset1 = nStrikeoutOffset - n2LineDY2 - n2LineHeight;
mnDStrikeoutOffset2 = mnDStrikeoutOffset1 + n2LineDY + n2LineHeight;
}
// -----------------------------------------------------------------------
void ImplFontMetricData::ImplInitAboveTextLineSize()
{
long nIntLeading = mnIntLeading;
// TODO: assess usage of nLeading below (changed in extleading CWS)
// if no leading is available, we assume 15% of the ascent
if ( nIntLeading <= 0 )
{
nIntLeading = mnAscent*15/100;
if ( !nIntLeading )
nIntLeading = 1;
}
long nLineHeight = ((nIntLeading*25)+50) / 100;
if ( !nLineHeight )
nLineHeight = 1;
long nBLineHeight = ((nIntLeading*50)+50) / 100;
if ( nBLineHeight == nLineHeight )
nBLineHeight++;
long n2LineHeight = ((nIntLeading*16)+50) / 100;
if ( !n2LineHeight )
n2LineHeight = 1;
long nCeiling = -mnAscent;
mnAboveUnderlineSize = nLineHeight;
mnAboveUnderlineOffset = nCeiling + (nIntLeading - nLineHeight + 1) / 2;
mnAboveBUnderlineSize = nBLineHeight;
mnAboveBUnderlineOffset = nCeiling + (nIntLeading - nBLineHeight + 1) / 2;
mnAboveDUnderlineSize = n2LineHeight;
mnAboveDUnderlineOffset1 = nCeiling + (nIntLeading - 3*n2LineHeight + 1) / 2;
mnAboveDUnderlineOffset2 = nCeiling + (nIntLeading + n2LineHeight + 1) / 2;
long nWCalcSize = nIntLeading;
if ( nWCalcSize < 6 )
{
if ( (nWCalcSize == 1) || (nWCalcSize == 2) )
mnAboveWUnderlineSize = nWCalcSize;
else
mnAboveWUnderlineSize = 3;
}
else
mnAboveWUnderlineSize = ((nWCalcSize*50)+50) / 100;
mnAboveWUnderlineOffset = nCeiling + (nIntLeading + 1) / 2;
}
// -----------------------------------------------------------------------
static void ImplDrawWavePixel( long nOriginX, long nOriginY,
long nCurX, long nCurY,
short nOrientation,
SalGraphics* pGraphics,
OutputDevice* pOutDev,
sal_Bool bDrawPixAsRect,
long nPixWidth, long nPixHeight )
{
if ( nOrientation )
ImplRotatePos( nOriginX, nOriginY, nCurX, nCurY, nOrientation );
if ( bDrawPixAsRect )
{
pGraphics->DrawRect( nCurX, nCurY, nPixWidth, nPixHeight, pOutDev );
}
else
{
pGraphics->DrawPixel( nCurX, nCurY, pOutDev );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawWaveLine( long nBaseX, long nBaseY,
long nDistX, long nDistY,
long nWidth, long nHeight,
long nLineWidth, short nOrientation,
const Color& rColor )
{
if ( !nHeight )
return;
long nStartX = nBaseX + nDistX;
long nStartY = nBaseY + nDistY;
// Bei Hoehe von 1 Pixel reicht es, eine Linie auszugeben
if ( (nLineWidth == 1) && (nHeight == 1) )
{
mpGraphics->SetLineColor( ImplColorToSal( rColor ) );
mbInitLineColor = sal_True;
long nEndX = nStartX+nWidth;
long nEndY = nStartY;
if ( nOrientation )
{
ImplRotatePos( nBaseX, nBaseY, nStartX, nStartY, nOrientation );
ImplRotatePos( nBaseX, nBaseY, nEndX, nEndY, nOrientation );
}
mpGraphics->DrawLine( nStartX, nStartY, nEndX, nEndY, this );
}
else
{
long nCurX = nStartX;
long nCurY = nStartY;
long nDiffX = 2;
long nDiffY = nHeight-1;
long nCount = nWidth;
long nOffY = -1;
long nFreq;
long i;
long nPixWidth;
long nPixHeight;
sal_Bool bDrawPixAsRect;
// Auf Druckern die Pixel per DrawRect() ausgeben
if ( (GetOutDevType() == OUTDEV_PRINTER) || (nLineWidth > 1) )
{
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = sal_True;
}
mpGraphics->SetFillColor( ImplColorToSal( rColor ) );
mbInitFillColor = sal_True;
bDrawPixAsRect = sal_True;
nPixWidth = nLineWidth;
nPixHeight = ((nLineWidth*mnDPIX)+(mnDPIY/2))/mnDPIY;
}
else
{
mpGraphics->SetLineColor( ImplColorToSal( rColor ) );
mbInitLineColor = sal_True;
nPixWidth = 1;
nPixHeight = 1;
bDrawPixAsRect = sal_False;
}
if ( !nDiffY )
{
while ( nWidth )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nOrientation,
mpGraphics, this,
bDrawPixAsRect, nPixWidth, nPixHeight );
nCurX++;
nWidth--;
}
}
else
{
nCurY += nDiffY;
nFreq = nCount / (nDiffX+nDiffY);
while ( nFreq-- )
{
for( i = nDiffY; i; --i )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nOrientation,
mpGraphics, this,
bDrawPixAsRect, nPixWidth, nPixHeight );
nCurX++;
nCurY += nOffY;
}
for( i = nDiffX; i; --i )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nOrientation,
mpGraphics, this,
bDrawPixAsRect, nPixWidth, nPixHeight );
nCurX++;
}
nOffY = -nOffY;
}
nFreq = nCount % (nDiffX+nDiffY);
if ( nFreq )
{
for( i = nDiffY; i && nFreq; --i, --nFreq )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nOrientation,
mpGraphics, this,
bDrawPixAsRect, nPixWidth, nPixHeight );
nCurX++;
nCurY += nOffY;
}
for( i = nDiffX; i && nFreq; --i, --nFreq )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nOrientation,
mpGraphics, this,
bDrawPixAsRect, nPixWidth, nPixHeight );
nCurX++;
}
}
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawWaveTextLine( long nBaseX, long nBaseY,
long nDistX, long nDistY, long nWidth,
FontUnderline eTextLine,
Color aColor,
sal_Bool bIsAbove )
{
ImplFontEntry* pFontEntry = mpFontEntry;
long nLineHeight;
long nLinePos;
if ( bIsAbove )
{
nLineHeight = pFontEntry->maMetric.mnAboveWUnderlineSize;
nLinePos = pFontEntry->maMetric.mnAboveWUnderlineOffset;
}
else
{
nLineHeight = pFontEntry->maMetric.mnWUnderlineSize;
nLinePos = pFontEntry->maMetric.mnWUnderlineOffset;
}
if ( (eTextLine == UNDERLINE_SMALLWAVE) && (nLineHeight > 3) )
nLineHeight = 3;
long nLineWidth = (mnDPIX/300);
if ( !nLineWidth )
nLineWidth = 1;
if ( eTextLine == UNDERLINE_BOLDWAVE )
nLineWidth *= 2;
nLinePos += nDistY - (nLineHeight / 2);
long nLineWidthHeight = ((nLineWidth*mnDPIX)+(mnDPIY/2))/mnDPIY;
if ( eTextLine == UNDERLINE_DOUBLEWAVE )
{
long nOrgLineHeight = nLineHeight;
nLineHeight /= 3;
if ( nLineHeight < 2 )
{
if ( nOrgLineHeight > 1 )
nLineHeight = 2;
else
nLineHeight = 1;
}
long nLineDY = nOrgLineHeight-(nLineHeight*2);
if ( nLineDY < nLineWidthHeight )
nLineDY = nLineWidthHeight;
long nLineDY2 = nLineDY/2;
if ( !nLineDY2 )
nLineDY2 = 1;
nLinePos -= nLineWidthHeight-nLineDY2;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontEntry->mnOrientation, aColor );
nLinePos += nLineWidthHeight+nLineDY;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontEntry->mnOrientation, aColor );
}
else
{
nLinePos -= nLineWidthHeight/2;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontEntry->mnOrientation, aColor );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawStraightTextLine( long nBaseX, long nBaseY,
long nDistX, long nDistY, long nWidth,
FontUnderline eTextLine,
Color aColor,
sal_Bool bIsAbove )
{
ImplFontEntry* pFontEntry = mpFontEntry;
long nLineHeight = 0;
long nLinePos = 0;
long nLinePos2 = 0;
const long nY = nDistY;
if ( eTextLine > UNDERLINE_LAST )
eTextLine = UNDERLINE_SINGLE;
switch ( eTextLine )
{
case UNDERLINE_SINGLE:
case UNDERLINE_DOTTED:
case UNDERLINE_DASH:
case UNDERLINE_LONGDASH:
case UNDERLINE_DASHDOT:
case UNDERLINE_DASHDOTDOT:
if ( bIsAbove )
{
nLineHeight = pFontEntry->maMetric.mnAboveUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnAboveUnderlineOffset;
}
else
{
nLineHeight = pFontEntry->maMetric.mnUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnUnderlineOffset;
}
break;
case UNDERLINE_BOLD:
case UNDERLINE_BOLDDOTTED:
case UNDERLINE_BOLDDASH:
case UNDERLINE_BOLDLONGDASH:
case UNDERLINE_BOLDDASHDOT:
case UNDERLINE_BOLDDASHDOTDOT:
if ( bIsAbove )
{
nLineHeight = pFontEntry->maMetric.mnAboveBUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnAboveBUnderlineOffset;
}
else
{
nLineHeight = pFontEntry->maMetric.mnBUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnBUnderlineOffset;
}
break;
case UNDERLINE_DOUBLE:
if ( bIsAbove )
{
nLineHeight = pFontEntry->maMetric.mnAboveDUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnAboveDUnderlineOffset1;
nLinePos2 = nY + pFontEntry->maMetric.mnAboveDUnderlineOffset2;
}
else
{
nLineHeight = pFontEntry->maMetric.mnDUnderlineSize;
nLinePos = nY + pFontEntry->maMetric.mnDUnderlineOffset1;
nLinePos2 = nY + pFontEntry->maMetric.mnDUnderlineOffset2;
}
break;
default:
break;
}
if ( nLineHeight )
{
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = sal_True;
}
mpGraphics->SetFillColor( ImplColorToSal( aColor ) );
mbInitFillColor = sal_True;
long nLeft = nDistX;
switch ( eTextLine )
{
case UNDERLINE_SINGLE:
case UNDERLINE_BOLD:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
break;
case UNDERLINE_DOUBLE:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos2, nWidth, nLineHeight );
break;
case UNDERLINE_DOTTED:
case UNDERLINE_BOLDDOTTED:
{
long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
long nTempWidth = nDotWidth;
long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempWidth > nEnd )
nTempWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempWidth, nLineHeight );
nLeft += nDotWidth*2;
}
}
break;
case UNDERLINE_DASH:
case UNDERLINE_LONGDASH:
case UNDERLINE_BOLDDASH:
case UNDERLINE_BOLDLONGDASH:
{
long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
long nMinDashWidth;
long nMinSpaceWidth;
long nSpaceWidth;
long nDashWidth;
if ( (eTextLine == UNDERLINE_LONGDASH) ||
(eTextLine == UNDERLINE_BOLDLONGDASH) )
{
nMinDashWidth = nDotWidth*6;
nMinSpaceWidth = nDotWidth*2;
nDashWidth = 200;
nSpaceWidth = 100;
}
else
{
nMinDashWidth = nDotWidth*4;
nMinSpaceWidth = (nDotWidth*150)/100;
nDashWidth = 100;
nSpaceWidth = 50;
}
nDashWidth = ((nDashWidth*mnDPIX)+1270)/2540;
nSpaceWidth = ((nSpaceWidth*mnDPIX)+1270)/2540;
// DashWidth wird gegebenenfalls verbreitert, wenn
// die dicke der Linie im Verhaeltnis zur Laenge
// zu dick wird
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
if ( nSpaceWidth < nMinSpaceWidth )
nSpaceWidth = nMinSpaceWidth;
long nTempWidth = nDashWidth;
long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempWidth > nEnd )
nTempWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempWidth, nLineHeight );
nLeft += nDashWidth+nSpaceWidth;
}
}
break;
case UNDERLINE_DASHDOT:
case UNDERLINE_BOLDDASHDOT:
{
long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
long nDashWidth = ((100*mnDPIX)+1270)/2540;
long nMinDashWidth = nDotWidth*4;
// DashWidth wird gegebenenfalls verbreitert, wenn
// die dicke der Linie im Verhaeltnis zur Laenge
// zu dick wird
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
long nTempDotWidth = nDotWidth;
long nTempDashWidth = nDashWidth;
long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDashWidth > nEnd )
nTempDashWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDashWidth, nLineHeight );
nLeft += nDashWidth+nDotWidth;
}
}
break;
case UNDERLINE_DASHDOTDOT:
case UNDERLINE_BOLDDASHDOTDOT:
{
long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
long nDashWidth = ((100*mnDPIX)+1270)/2540;
long nMinDashWidth = nDotWidth*4;
// DashWidth wird gegebenenfalls verbreitert, wenn
// die dicke der Linie im Verhaeltnis zur Laenge
// zu dick wird
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
long nTempDotWidth = nDotWidth;
long nTempDashWidth = nDashWidth;
long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDashWidth > nEnd )
nTempDashWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDashWidth, nLineHeight );
nLeft += nDashWidth+nDotWidth;
}
}
break;
default:
break;
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawStrikeoutLine( long nBaseX, long nBaseY,
long nDistX, long nDistY, long nWidth,
FontStrikeout eStrikeout,
Color aColor )
{
ImplFontEntry* pFontEntry = mpFontEntry;
long nLineHeight = 0;
long nLinePos = 0;
long nLinePos2 = 0;
long nY = nDistY;
if ( eStrikeout > STRIKEOUT_LAST )
eStrikeout = STRIKEOUT_SINGLE;
switch ( eStrikeout )
{
case STRIKEOUT_SINGLE:
nLineHeight = pFontEntry->maMetric.mnStrikeoutSize;
nLinePos = nY + pFontEntry->maMetric.mnStrikeoutOffset;
break;
case STRIKEOUT_BOLD:
nLineHeight = pFontEntry->maMetric.mnBStrikeoutSize;
nLinePos = nY + pFontEntry->maMetric.mnBStrikeoutOffset;
break;
case STRIKEOUT_DOUBLE:
nLineHeight = pFontEntry->maMetric.mnDStrikeoutSize;
nLinePos = nY + pFontEntry->maMetric.mnDStrikeoutOffset1;
nLinePos2 = nY + pFontEntry->maMetric.mnDStrikeoutOffset2;
break;
default:
break;
}
if ( nLineHeight )
{
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = sal_True;
}
mpGraphics->SetFillColor( ImplColorToSal( aColor ) );
mbInitFillColor = sal_True;
const long& nLeft = nDistX;
switch ( eStrikeout )
{
case STRIKEOUT_SINGLE:
case STRIKEOUT_BOLD:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
break;
case STRIKEOUT_DOUBLE:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos2, nWidth, nLineHeight );
break;
default:
break;
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawStrikeoutChar( long nBaseX, long nBaseY,
long nDistX, long nDistY, long nWidth,
FontStrikeout eStrikeout,
Color aColor )
{
// PDF-export does its own strikeout drawing... why again?
if( mpPDFWriter && mpPDFWriter->isBuiltinFont(mpFontEntry->maFontSelData.mpFontData) )
return;
// prepare string for strikeout measurement
static char cStrikeoutChar;
if ( eStrikeout == STRIKEOUT_SLASH )
cStrikeoutChar = '/';
else // ( eStrikeout == STRIKEOUT_X )
cStrikeoutChar = 'X';
static const int nTestStrLen = 4;
static const int nMaxStrikeStrLen = 2048;
xub_Unicode aChars[ nMaxStrikeStrLen +1]; // +1 for valgrind...
for( int i = 0; i < nTestStrLen; ++i)
aChars[i] = cStrikeoutChar;
const String aStrikeoutTest( aChars, nTestStrLen );
// calculate approximation of strikeout atom size
long nStrikeoutWidth = nWidth;
SalLayout* pLayout = ImplLayout( aStrikeoutTest, 0, nTestStrLen );
if( pLayout )
{
nStrikeoutWidth = (pLayout->GetTextWidth() +nTestStrLen/2) / (nTestStrLen * pLayout->GetUnitsPerPixel());
pLayout->Release();
}
if( nStrikeoutWidth <= 0 ) // sanity check
return;
// calculate acceptable strikeout length
// allow the strikeout to be one pixel larger than the text it strikes out
long nMaxWidth = nStrikeoutWidth * 3 / 4;
if ( nMaxWidth < 2 )
nMaxWidth = 2;
nMaxWidth += nWidth + 1;
int nStrikeStrLen = (nMaxWidth - 1) / nStrikeoutWidth;
// if the text width is smaller than the strikeout text, then do not
// strike out at all. This case requires user interaction, e.g. adding
// a space to the text
if( nStrikeStrLen <= 0 )
return;
if( nStrikeStrLen > nMaxStrikeStrLen )
nStrikeStrLen = nMaxStrikeStrLen;
// build the strikeout string
for( int i = nTestStrLen; i < nStrikeStrLen; ++i)
aChars[i] = cStrikeoutChar;
const String aStrikeoutText( aChars, xub_StrLen(nStrikeStrLen) );
if( mpFontEntry->mnOrientation )
ImplRotatePos( 0, 0, nDistX, nDistY, mpFontEntry->mnOrientation );
nBaseX += nDistX;
nBaseY += nDistY;
// strikeout text has to be left aligned
sal_uLong nOrigTLM = mnTextLayoutMode;
mnTextLayoutMode = TEXT_LAYOUT_BIDI_STRONG | TEXT_LAYOUT_COMPLEX_DISABLED;
pLayout = ImplLayout( aStrikeoutText, 0, STRING_LEN );
mnTextLayoutMode = nOrigTLM;
if( !pLayout )
return;
// draw the strikeout text
const Color aOldColor = GetTextColor();
SetTextColor( aColor );
ImplInitTextColor();
pLayout->DrawBase() = Point( nBaseX+mnTextOffX, nBaseY+mnTextOffY );
pLayout->DrawText( *mpGraphics );
pLayout->Release();
SetTextColor( aOldColor );
ImplInitTextColor();
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawTextLine( long nX, long nY,
long nDistX, long nWidth,
FontStrikeout eStrikeout,
FontUnderline eUnderline,
FontUnderline eOverline,
sal_Bool bUnderlineAbove )
{
if ( !nWidth )
return;
Color aStrikeoutColor = GetTextColor();
Color aUnderlineColor = GetTextLineColor();
Color aOverlineColor = GetOverlineColor();
sal_Bool bStrikeoutDone = sal_False;
sal_Bool bUnderlineDone = sal_False;
sal_Bool bOverlineDone = sal_False;
if ( IsRTLEnabled() )
{
// --- RTL --- mirror at basex
long nXAdd = nWidth - nDistX;
if( mpFontEntry->mnOrientation )
nXAdd = FRound( nXAdd * cos( mpFontEntry->mnOrientation * F_PI1800 ) );
nX += nXAdd - 1;
}
if ( !IsTextLineColor() )
aUnderlineColor = GetTextColor();
if ( !IsOverlineColor() )
aOverlineColor = GetTextColor();
if ( (eUnderline == UNDERLINE_SMALLWAVE) ||
(eUnderline == UNDERLINE_WAVE) ||
(eUnderline == UNDERLINE_DOUBLEWAVE) ||
(eUnderline == UNDERLINE_BOLDWAVE) )
{
ImplDrawWaveTextLine( nX, nY, nDistX, 0, nWidth, eUnderline, aUnderlineColor, bUnderlineAbove );
bUnderlineDone = sal_True;
}
if ( (eOverline == UNDERLINE_SMALLWAVE) ||
(eOverline == UNDERLINE_WAVE) ||
(eOverline == UNDERLINE_DOUBLEWAVE) ||
(eOverline == UNDERLINE_BOLDWAVE) )
{
ImplDrawWaveTextLine( nX, nY, nDistX, 0, nWidth, eOverline, aOverlineColor, sal_True );
bOverlineDone = sal_True;
}
if ( (eStrikeout == STRIKEOUT_SLASH) ||
(eStrikeout == STRIKEOUT_X) )
{
ImplDrawStrikeoutChar( nX, nY, nDistX, 0, nWidth, eStrikeout, aStrikeoutColor );
bStrikeoutDone = sal_True;
}
if ( !bUnderlineDone )
ImplDrawStraightTextLine( nX, nY, nDistX, 0, nWidth, eUnderline, aUnderlineColor, bUnderlineAbove );
if ( !bOverlineDone )
ImplDrawStraightTextLine( nX, nY, nDistX, 0, nWidth, eOverline, aOverlineColor, sal_True );
if ( !bStrikeoutDone )
ImplDrawStrikeoutLine( nX, nY, nDistX, 0, nWidth, eStrikeout, aStrikeoutColor );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawTextLines( SalLayout& rSalLayout,
FontStrikeout eStrikeout, FontUnderline eUnderline, FontUnderline eOverline, sal_Bool bWordLine, sal_Bool bUnderlineAbove )
{
if( bWordLine )
{
// draw everything relative to the layout base point
const Point aStartPt = rSalLayout.DrawBase();
// calculate distance of each word from the base point
Point aPos;
sal_Int32 nDist = 0, nWidth = 0, nAdvance=0;
for( int nStart = 0;;)
{
// iterate through the layouted glyphs
sal_GlyphId aGlyphId;
if( !rSalLayout.GetNextGlyphs( 1, &aGlyphId, aPos, nStart, &nAdvance ) )
break;
// calculate the boundaries of each word
if( !rSalLayout.IsSpacingGlyph( aGlyphId ) )
{
if( !nWidth )
{
// get the distance to the base point (as projected to baseline)
nDist = aPos.X() - aStartPt.X();
if( mpFontEntry->mnOrientation )
{
const long nDY = aPos.Y() - aStartPt.Y();
const double fRad = mpFontEntry->mnOrientation * F_PI1800;
nDist = FRound( nDist*cos(fRad) - nDY*sin(fRad) );
}
}
// update the length of the textline
nWidth += nAdvance;
}
else if( nWidth > 0 )
{
// draw the textline for each word
ImplDrawTextLine( aStartPt.X(), aStartPt.Y(), nDist, nWidth,
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
nWidth = 0;
}
}
// draw textline for the last word
if( nWidth > 0 )
{
ImplDrawTextLine( aStartPt.X(), aStartPt.Y(), nDist, nWidth,
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
}
else
{
Point aStartPt = rSalLayout.GetDrawPosition();
int nWidth = rSalLayout.GetTextWidth() / rSalLayout.GetUnitsPerPixel();
ImplDrawTextLine( aStartPt.X(), aStartPt.Y(), 0, nWidth,
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawMnemonicLine( long nX, long nY, long nWidth )
{
long nBaseX = nX;
if( /*ImplHasMirroredGraphics() &&*/ IsRTLEnabled() )
{
// --- RTL ---
// add some strange offset
nX += 2;
// revert the hack that will be done later in ImplDrawTextLine
nX = nBaseX - nWidth - (nX - nBaseX - 1);
}
ImplDrawTextLine( nX, nY, 0, nWidth, STRIKEOUT_NONE, UNDERLINE_SINGLE, UNDERLINE_NONE, sal_False );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplGetEmphasisMark( PolyPolygon& rPolyPoly, sal_Bool& rPolyLine,
Rectangle& rRect1, Rectangle& rRect2,
long& rYOff, long& rWidth,
FontEmphasisMark eEmphasis,
long nHeight, short /*nOrient*/ )
{
static const sal_uInt8 aAccentPolyFlags[24] =
{
0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 0, 2, 0, 2, 2
};
static const long aAccentPos[48] =
{
78, 0,
348, 79,
599, 235,
843, 469,
938, 574,
990, 669,
990, 773,
990, 843,
964, 895,
921, 947,
886, 982,
860, 999,
825, 999,
764, 999,
721, 964,
686, 895,
625, 791,
556, 660,
469, 504,
400, 400,
261, 252,
61, 61,
0, 27,
9, 0
};
rWidth = 0;
rYOff = 0;
rPolyLine = sal_False;
if ( !nHeight )
return;
FontEmphasisMark nEmphasisStyle = eEmphasis & EMPHASISMARK_STYLE;
long nDotSize = 0;
switch ( nEmphasisStyle )
{
case EMPHASISMARK_DOT:
// Dot has 55% of the height
nDotSize = (nHeight*550)/1000;
if ( !nDotSize )
nDotSize = 1;
if ( nDotSize <= 2 )
rRect1 = Rectangle( Point(), Size( nDotSize, nDotSize ) );
else
{
long nRad = nDotSize/2;
Polygon aPoly( Point( nRad, nRad ), nRad, nRad );
rPolyPoly.Insert( aPoly );
}
rYOff = ((nHeight*250)/1000)/2; // Center to the anthoer EmphasisMarks
rWidth = nDotSize;
break;
case EMPHASISMARK_CIRCLE:
// Dot has 80% of the height
nDotSize = (nHeight*800)/1000;
if ( !nDotSize )
nDotSize = 1;
if ( nDotSize <= 2 )
rRect1 = Rectangle( Point(), Size( nDotSize, nDotSize ) );
else
{
long nRad = nDotSize/2;
Polygon aPoly( Point( nRad, nRad ), nRad, nRad );
rPolyPoly.Insert( aPoly );
// BorderWidth is 15%
long nBorder = (nDotSize*150)/1000;
if ( nBorder <= 1 )
rPolyLine = sal_True;
else
{
Polygon aPoly2( Point( nRad, nRad ),
nRad-nBorder, nRad-nBorder );
rPolyPoly.Insert( aPoly2 );
}
}
rWidth = nDotSize;
break;
case EMPHASISMARK_DISC:
// Dot has 80% of the height
nDotSize = (nHeight*800)/1000;
if ( !nDotSize )
nDotSize = 1;
if ( nDotSize <= 2 )
rRect1 = Rectangle( Point(), Size( nDotSize, nDotSize ) );
else
{
long nRad = nDotSize/2;
Polygon aPoly( Point( nRad, nRad ), nRad, nRad );
rPolyPoly.Insert( aPoly );
}
rWidth = nDotSize;
break;
case EMPHASISMARK_ACCENT:
// Dot has 80% of the height
nDotSize = (nHeight*800)/1000;
if ( !nDotSize )
nDotSize = 1;
if ( nDotSize <= 2 )
{
if ( nDotSize == 1 )
{
rRect1 = Rectangle( Point(), Size( nDotSize, nDotSize ) );
rWidth = nDotSize;
}
else
{
rRect1 = Rectangle( Point(), Size( 1, 1 ) );
rRect2 = Rectangle( Point( 1, 1 ), Size( 1, 1 ) );
}
}
else
{
Polygon aPoly( sizeof( aAccentPos ) / sizeof( long ) / 2,
(const Point*)aAccentPos,
aAccentPolyFlags );
double dScale = ((double)nDotSize)/1000.0;
aPoly.Scale( dScale, dScale );
Polygon aTemp;
aPoly.AdaptiveSubdivide( aTemp );
Rectangle aBoundRect = aTemp.GetBoundRect();
rWidth = aBoundRect.GetWidth();
nDotSize = aBoundRect.GetHeight();
rPolyPoly.Insert( aTemp );
}
break;
}
// calculate position
long nOffY = 1+(mnDPIY/300); // one visible pixel space
long nSpaceY = nHeight-nDotSize;
if ( nSpaceY >= nOffY*2 )
rYOff += nOffY;
if ( !(eEmphasis & EMPHASISMARK_POS_BELOW) )
rYOff += nDotSize;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawEmphasisMark( long nBaseX, long nX, long nY,
const PolyPolygon& rPolyPoly, sal_Bool bPolyLine,
const Rectangle& rRect1, const Rectangle& rRect2 )
{
// TODO: pass nWidth as width of this mark
long nWidth = 0;
if( IsRTLEnabled() )
// --- RTL --- mirror at basex
nX = nBaseX - nWidth - (nX - nBaseX - 1);
nX -= mnOutOffX;
nY -= mnOutOffY;
if ( rPolyPoly.Count() )
{
if ( bPolyLine )
{
Polygon aPoly = rPolyPoly.GetObject( 0 );
aPoly.Move( nX, nY );
DrawPolyLine( aPoly );
}
else
{
PolyPolygon aPolyPoly = rPolyPoly;
aPolyPoly.Move( nX, nY );
DrawPolyPolygon( aPolyPoly );
}
}
if ( !rRect1.IsEmpty() )
{
Rectangle aRect( Point( nX+rRect1.Left(),
nY+rRect1.Top() ), rRect1.GetSize() );
DrawRect( aRect );
}
if ( !rRect2.IsEmpty() )
{
Rectangle aRect( Point( nX+rRect2.Left(),
nY+rRect2.Top() ), rRect2.GetSize() );
DrawRect( aRect );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawEmphasisMarks( SalLayout& rSalLayout )
{
Color aOldColor = GetTextColor();
Color aOldLineColor = GetLineColor();
Color aOldFillColor = GetFillColor();
sal_Bool bOldMap = mbMap;
GDIMetaFile* pOldMetaFile = mpMetaFile;
mpMetaFile = NULL;
EnableMapMode( sal_False );
FontEmphasisMark nEmphasisMark = ImplGetEmphasisMarkStyle( maFont );
PolyPolygon aPolyPoly;
Rectangle aRect1;
Rectangle aRect2;
long nEmphasisYOff;
long nEmphasisWidth;
long nEmphasisHeight;
sal_Bool bPolyLine;
if ( nEmphasisMark & EMPHASISMARK_POS_BELOW )
nEmphasisHeight = mnEmphasisDescent;
else
nEmphasisHeight = mnEmphasisAscent;
ImplGetEmphasisMark( aPolyPoly, bPolyLine,
aRect1, aRect2,
nEmphasisYOff, nEmphasisWidth,
nEmphasisMark,
nEmphasisHeight, mpFontEntry->mnOrientation );
if ( bPolyLine )
{
SetLineColor( GetTextColor() );
SetFillColor();
}
else
{
SetLineColor();
SetFillColor( GetTextColor() );
}
Point aOffset = Point(0,0);
if ( nEmphasisMark & EMPHASISMARK_POS_BELOW )
aOffset.Y() += mpFontEntry->maMetric.mnDescent + nEmphasisYOff;
else
aOffset.Y() -= mpFontEntry->maMetric.mnAscent + nEmphasisYOff;
long nEmphasisWidth2 = nEmphasisWidth / 2;
long nEmphasisHeight2 = nEmphasisHeight / 2;
aOffset += Point( nEmphasisWidth2, nEmphasisHeight2 );
Point aOutPoint;
Rectangle aRectangle;
for( int nStart = 0;;)
{
sal_GlyphId aGlyphId;
if( !rSalLayout.GetNextGlyphs( 1, &aGlyphId, aOutPoint, nStart ) )
break;
if( !mpGraphics->GetGlyphBoundRect( aGlyphId, aRectangle ) )
continue;
if( !rSalLayout.IsSpacingGlyph( aGlyphId ) )
{
Point aAdjPoint = aOffset;
aAdjPoint.X() += aRectangle.Left() + (aRectangle.GetWidth() - nEmphasisWidth) / 2;
if ( mpFontEntry->mnOrientation )
ImplRotatePos( 0, 0, aAdjPoint.X(), aAdjPoint.Y(), mpFontEntry->mnOrientation );
aOutPoint += aAdjPoint;
aOutPoint -= Point( nEmphasisWidth2, nEmphasisHeight2 );
ImplDrawEmphasisMark( rSalLayout.DrawBase().X(),
aOutPoint.X(), aOutPoint.Y(),
aPolyPoly, bPolyLine, aRect1, aRect2 );
}
}
SetLineColor( aOldLineColor );
SetFillColor( aOldFillColor );
EnableMapMode( bOldMap );
mpMetaFile = pOldMetaFile;
}
// -----------------------------------------------------------------------
bool OutputDevice::ImplDrawRotateText( SalLayout& rSalLayout )
{
int nX = rSalLayout.DrawBase().X();
int nY = rSalLayout.DrawBase().Y();
Rectangle aBoundRect;
rSalLayout.DrawBase() = Point( 0, 0 );
rSalLayout.DrawOffset() = Point( 0, 0 );
if( !rSalLayout.GetBoundRect( *mpGraphics, aBoundRect ) )
{
// guess vertical text extents if GetBoundRect failed
int nRight = rSalLayout.GetTextWidth();
int nTop = mpFontEntry->maMetric.mnAscent + mnEmphasisAscent;
long nHeight = mpFontEntry->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
aBoundRect = Rectangle( 0, -nTop, nRight, nHeight - nTop );
}
// cache virtual device for rotation
if ( !mpOutDevData )
ImplInitOutDevData();
if ( !mpOutDevData->mpRotateDev )
mpOutDevData->mpRotateDev = new VirtualDevice( *this, 1 );
VirtualDevice* pVDev = mpOutDevData->mpRotateDev;
// size it accordingly
if( !pVDev->SetOutputSizePixel( aBoundRect.GetSize() ) )
return false;
Font aFont( GetFont() );
aFont.SetOrientation( 0 );
aFont.SetSize( Size( mpFontEntry->maFontSelData.mnWidth, mpFontEntry->maFontSelData.mnHeight ) );
pVDev->SetFont( aFont );
pVDev->SetTextColor( Color( COL_BLACK ) );
pVDev->SetTextFillColor();
pVDev->ImplNewFont();
pVDev->ImplInitFont();
pVDev->ImplInitTextColor();
// draw text into upper left corner
rSalLayout.DrawBase() -= aBoundRect.TopLeft();
rSalLayout.DrawText( *((OutputDevice*)pVDev)->mpGraphics );
Bitmap aBmp = pVDev->GetBitmap( Point(), aBoundRect.GetSize() );
if ( !aBmp || !aBmp.Rotate( mpFontEntry->mnOwnOrientation, COL_WHITE ) )
return false;
// calculate rotation offset
Polygon aPoly( aBoundRect );
aPoly.Rotate( Point(), mpFontEntry->mnOwnOrientation );
Point aPoint = aPoly.GetBoundRect().TopLeft();
aPoint += Point( nX, nY );
// mask output with text colored bitmap
GDIMetaFile* pOldMetaFile = mpMetaFile;
long nOldOffX = mnOutOffX;
long nOldOffY = mnOutOffY;
sal_Bool bOldMap = mbMap;
mnOutOffX = 0L;
mnOutOffY = 0L;
mpMetaFile = NULL;
EnableMapMode( sal_False );
DrawMask( aPoint, aBmp, GetTextColor() );
EnableMapMode( bOldMap );
mnOutOffX = nOldOffX;
mnOutOffY = nOldOffY;
mpMetaFile = pOldMetaFile;
return true;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawTextDirect( SalLayout& rSalLayout, sal_Bool bTextLines )
{
if( mpFontEntry->mnOwnOrientation )
if( ImplDrawRotateText( rSalLayout ) )
return;
long nOldX = rSalLayout.DrawBase().X();
if( ! (mpPDFWriter && mpPDFWriter->isBuiltinFont(mpFontEntry->maFontSelData.mpFontData) ) )
{
if( ImplHasMirroredGraphics() )
{
long w = meOutDevType == OUTDEV_VIRDEV ? mnOutWidth : mpGraphics->GetGraphicsWidth();
long x = rSalLayout.DrawBase().X();
rSalLayout.DrawBase().X() = w - 1 - x;
if( !IsRTLEnabled() )
{
OutputDevice *pOutDevRef = (OutputDevice *)this;
// mirror this window back
long devX = w-pOutDevRef->mnOutWidth-pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
rSalLayout.DrawBase().X() = devX + ( pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().X() - devX) ) ;
}
}
else if( IsRTLEnabled() )
{
//long w = meOutDevType == OUTDEV_VIRDEV ? mnOutWidth : mpGraphics->GetGraphicsWidth();
//long x = rSalLayout.DrawBase().X();
OutputDevice *pOutDevRef = (OutputDevice *)this;
// mirror this window back
long devX = pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
rSalLayout.DrawBase().X() = pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().X() - devX) + devX;
}
rSalLayout.DrawText( *mpGraphics );
}
rSalLayout.DrawBase().X() = nOldX;
if( bTextLines )
ImplDrawTextLines( rSalLayout,
maFont.GetStrikeout(), maFont.GetUnderline(), maFont.GetOverline(),
maFont.IsWordLineMode(), ImplIsUnderlineAbove( maFont ) );
// emphasis marks
if( maFont.GetEmphasisMark() & EMPHASISMARK_STYLE )
ImplDrawEmphasisMarks( rSalLayout );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawSpecialText( SalLayout& rSalLayout )
{
Color aOldColor = GetTextColor();
Color aOldTextLineColor = GetTextLineColor();
Color aOldOverlineColor = GetOverlineColor();
FontRelief eRelief = maFont.GetRelief();
Point aOrigPos = rSalLayout.DrawBase();
if ( eRelief != RELIEF_NONE )
{
Color aReliefColor( COL_LIGHTGRAY );
Color aTextColor( aOldColor );
Color aTextLineColor( aOldTextLineColor );
Color aOverlineColor( aOldOverlineColor );
// we don't have a automatic color, so black is always drawn on white
if ( aTextColor.GetColor() == COL_BLACK )
aTextColor = Color( COL_WHITE );
if ( aTextLineColor.GetColor() == COL_BLACK )
aTextLineColor = Color( COL_WHITE );
if ( aOverlineColor.GetColor() == COL_BLACK )
aOverlineColor = Color( COL_WHITE );
// relief-color is black for white text, in all other cases
// we set this to LightGray
if ( aTextColor.GetColor() == COL_WHITE )
aReliefColor = Color( COL_BLACK );
SetTextLineColor( aReliefColor );
SetOverlineColor( aReliefColor );
SetTextColor( aReliefColor );
ImplInitTextColor();
// calculate offset - for high resolution printers the offset
// should be greater so that the effect is visible
long nOff = 1;
nOff += mnDPIX/300;
if ( eRelief == RELIEF_ENGRAVED )
nOff = -nOff;
rSalLayout.DrawOffset() += Point( nOff, nOff);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawOffset() -= Point( nOff, nOff);
SetTextLineColor( aTextLineColor );
SetOverlineColor( aOverlineColor );
SetTextColor( aTextColor );
ImplInitTextColor();
ImplDrawTextDirect( rSalLayout, mbTextLines );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
if ( aTextColor != aOldColor )
{
SetTextColor( aOldColor );
ImplInitTextColor();
}
}
else
{
if ( maFont.IsShadow() )
{
long nOff = 1 + ((mpFontEntry->mnLineHeight-24)/24);
if ( maFont.IsOutline() )
nOff++;
SetTextLineColor();
SetOverlineColor();
if ( (GetTextColor().GetColor() == COL_BLACK)
|| (GetTextColor().GetLuminance() < 8) )
SetTextColor( Color( COL_LIGHTGRAY ) );
else
SetTextColor( Color( COL_BLACK ) );
ImplInitTextColor();
rSalLayout.DrawBase() += Point( nOff, nOff );
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() -= Point( nOff, nOff );
SetTextColor( aOldColor );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
ImplInitTextColor();
if ( !maFont.IsOutline() )
ImplDrawTextDirect( rSalLayout, mbTextLines );
}
if ( maFont.IsOutline() )
{
rSalLayout.DrawBase() = aOrigPos + Point(-1,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(+1,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(-1,+0);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(-1,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(+0,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(+0,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(+1,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + Point(+1,+0);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos;
SetTextColor( Color( COL_WHITE ) );
SetTextLineColor( Color( COL_WHITE ) );
SetOverlineColor( Color( COL_WHITE ) );
ImplInitTextColor();
ImplDrawTextDirect( rSalLayout, mbTextLines );
SetTextColor( aOldColor );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
ImplInitTextColor();
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawText( SalLayout& rSalLayout )
{
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
if( mbInitTextColor )
ImplInitTextColor();
rSalLayout.DrawBase() += Point( mnTextOffX, mnTextOffY );
if( IsTextFillColor() )
ImplDrawTextBackground( rSalLayout );
if( mbTextSpecial )
ImplDrawSpecialText( rSalLayout );
else
ImplDrawTextDirect( rSalLayout, mbTextLines );
}
// -----------------------------------------------------------------------
long OutputDevice::ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo,
long nWidth, const XubString& rStr,
sal_uInt16 nStyle, const ::vcl::ITextLayout& _rLayout )
{
DBG_ASSERTWARNING( nWidth >= 0, "ImplGetTextLines: nWidth <= 0!" );
if ( nWidth <= 0 )
nWidth = 1;
long nMaxLineWidth = 0;
rLineInfo.Clear();
if ( rStr.Len() && (nWidth > 0) )
{
::rtl::OUString aText( rStr );
uno::Reference < i18n::XBreakIterator > xBI;
// get service provider
uno::Reference< lang::XMultiServiceFactory > xSMgr( unohelper::GetMultiServiceFactory() );
uno::Reference< linguistic2::XHyphenator > xHyph;
if( xSMgr.is() )
{
uno::Reference< linguistic2::XLinguServiceManager> xLinguMgr(xSMgr->createInstance(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.linguistic2.LinguServiceManager"))),uno::UNO_QUERY);
if ( xLinguMgr.is() )
{
xHyph = xLinguMgr->getHyphenator();
}
}
i18n::LineBreakHyphenationOptions aHyphOptions( xHyph, uno::Sequence <beans::PropertyValue>(), 1 );
i18n::LineBreakUserOptions aUserOptions;
xub_StrLen nPos = 0;
xub_StrLen nLen = rStr.Len();
while ( nPos < nLen )
{
xub_StrLen nBreakPos = nPos;
while ( ( nBreakPos < nLen ) && ( rStr.GetChar( nBreakPos ) != _CR ) && ( rStr.GetChar( nBreakPos ) != _LF ) )
nBreakPos++;
long nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
if ( ( nLineWidth > nWidth ) && ( nStyle & TEXT_DRAW_WORDBREAK ) )
{
if ( !xBI.is() )
xBI = vcl::unohelper::CreateBreakIterator();
if ( xBI.is() )
{
const com::sun::star::lang::Locale& rDefLocale(Application::GetSettings().GetUILocale());
xub_StrLen nSoftBreak = _rLayout.GetTextBreak( rStr, nWidth, nPos, nBreakPos - nPos );
DBG_ASSERT( nSoftBreak < nBreakPos, "Break?!" );
//aHyphOptions.hyphenIndex = nSoftBreak;
i18n::LineBreakResults aLBR = xBI->getLineBreak( aText, nSoftBreak, rDefLocale, nPos, aHyphOptions, aUserOptions );
nBreakPos = (xub_StrLen)aLBR.breakIndex;
if ( nBreakPos <= nPos )
nBreakPos = nSoftBreak;
if ( (nStyle & TEXT_DRAW_WORDBREAK_HYPHENATION) == TEXT_DRAW_WORDBREAK_HYPHENATION )
{
// Egal ob Trenner oder nicht: Das Wort nach dem Trenner durch
// die Silbentrennung jagen...
// nMaxBreakPos ist das letzte Zeichen was in die Zeile passt,
// nBreakPos ist der Wort-Anfang
// Ein Problem gibt es, wenn das Dok so schmal ist, dass ein Wort
// auf mehr als Zwei Zeilen gebrochen wird...
if ( xHyph.is() )
{
sal_Unicode cAlternateReplChar = 0;
sal_Unicode cAlternateExtraChar = 0;
i18n::Boundary aBoundary = xBI->getWordBoundary( aText, nBreakPos, rDefLocale, ::com::sun::star::i18n::WordType::DICTIONARY_WORD, sal_True );
// sal_uInt16 nWordStart = nBreakPos;
// sal_uInt16 nBreakPos_OLD = nBreakPos;
sal_uInt16 nWordStart = nPos;
sal_uInt16 nWordEnd = (sal_uInt16) aBoundary.endPos;
DBG_ASSERT( nWordEnd > nWordStart, "ImpBreakLine: Start >= End?" );
sal_uInt16 nWordLen = nWordEnd - nWordStart;
if ( ( nWordEnd >= nSoftBreak ) && ( nWordLen > 3 ) )
{
// #104415# May happen, because getLineBreak may differ from getWordBoudary with DICTIONARY_WORD
// DBG_ASSERT( nWordEnd >= nMaxBreakPos, "Hyph: Break?" );
String aWord( aText, nWordStart, nWordLen );
sal_uInt16 nMinTrail = static_cast<sal_uInt16>(nWordEnd-nSoftBreak+1); //+1: Vor dem angeknacksten Buchstaben
uno::Reference< linguistic2::XHyphenatedWord > xHyphWord;
if (xHyph.is())
xHyphWord = xHyph->hyphenate( aWord, rDefLocale, aWord.Len() - nMinTrail, uno::Sequence< beans::PropertyValue >() );
if (xHyphWord.is())
{
sal_Bool bAlternate = xHyphWord->isAlternativeSpelling();
sal_uInt16 _nWordLen = 1 + xHyphWord->getHyphenPos();
if ( ( _nWordLen >= 2 ) && ( (nWordStart+_nWordLen) >= ( 2 ) ) )
{
if ( !bAlternate )
{
nBreakPos = nWordStart + _nWordLen;
}
else
{
String aAlt( xHyphWord->getHyphenatedWord() );
// Wir gehen von zwei Faellen aus, die nun
// vorliegen koennen:
// 1) packen wird zu pak-ken
// 2) Schiffahrt wird zu Schiff-fahrt
// In Fall 1 muss ein Zeichen ersetzt werden,
// in Fall 2 wird ein Zeichen hinzugefuegt.
// Die Identifikation wird erschwert durch Worte wie
// "Schiffahrtsbrennesseln", da der Hyphenator alle
// Position des Wortes auftrennt und "Schifffahrtsbrennnesseln"
// ermittelt. Wir koennen also eigentlich nicht unmittelbar vom
// Index des AlternativWord auf aWord schliessen.
// Das ganze geraffel wird durch eine Funktion am
// Hyphenator vereinfacht werden, sobald AMA sie einbaut...
sal_uInt16 nAltStart = _nWordLen - 1;
sal_uInt16 nTxtStart = nAltStart - (aAlt.Len() - aWord.Len());
sal_uInt16 nTxtEnd = nTxtStart;
sal_uInt16 nAltEnd = nAltStart;
// Die Bereiche zwischen den nStart und nEnd ist
// die Differenz zwischen Alternativ- und OriginalString.
while( nTxtEnd < aWord.Len() && nAltEnd < aAlt.Len() &&
aWord.GetChar(nTxtEnd) != aAlt.GetChar(nAltEnd) )
{
++nTxtEnd;
++nAltEnd;
}
// Wenn ein Zeichen hinzugekommen ist, dann bemerken wir es jetzt:
if( nAltEnd > nTxtEnd && nAltStart == nAltEnd &&
aWord.GetChar( nTxtEnd ) == aAlt.GetChar(nAltEnd) )
{
++nAltEnd;
++nTxtStart;
++nTxtEnd;
}
DBG_ASSERT( ( nAltEnd - nAltStart ) == 1, "Alternate: Falsche Annahme!" );
if ( nTxtEnd > nTxtStart )
cAlternateReplChar = aAlt.GetChar( nAltStart );
else
cAlternateExtraChar = aAlt.GetChar( nAltStart );
nBreakPos = nWordStart + nTxtStart;
if ( cAlternateReplChar )
nBreakPos++;
}
} // if (xHyphWord.is())
} // if ( ( nWordEnd >= nSoftBreak ) && ( nWordLen > 3 ) )
} // if ( xHyph.is() )
} // if ( (nStyle & TEXT_DRAW_WORDBREAK_HYPHENATION) == TEXT_DRAW_WORDBREAK_HYPHENATION )
}
nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
}
else
{
// fallback to something really simple
sal_uInt16 nSpacePos = STRING_LEN;
long nW = 0;
do
{
nSpacePos = rStr.SearchBackward( sal_Unicode(' '), nSpacePos );
if( nSpacePos != STRING_NOTFOUND )
{
if( nSpacePos > nPos )
nSpacePos--;
nW = _rLayout.GetTextWidth( rStr, nPos, nSpacePos-nPos );
}
} while( nW > nWidth );
if( nSpacePos != STRING_NOTFOUND )
{
nBreakPos = nSpacePos;
nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
if( nBreakPos < rStr.Len()-1 )
nBreakPos++;
}
}
}
if ( nLineWidth > nMaxLineWidth )
nMaxLineWidth = nLineWidth;
rLineInfo.AddLine( new ImplTextLineInfo( nLineWidth, nPos, nBreakPos-nPos ) );
if ( nBreakPos == nPos )
nBreakPos++;
nPos = nBreakPos;
if ( ( rStr.GetChar( nPos ) == _CR ) || ( rStr.GetChar( nPos ) == _LF ) )
{
nPos++;
// CR/LF?
if ( ( nPos < nLen ) && ( rStr.GetChar( nPos ) == _LF ) && ( rStr.GetChar( nPos-1 ) == _CR ) )
nPos++;
}
}
}
#ifdef DBG_UTIL
for ( sal_uInt16 nL = 0; nL < rLineInfo.Count(); nL++ )
{
ImplTextLineInfo* pLine = rLineInfo.GetLine( nL );
String aLine( rStr, pLine->GetIndex(), pLine->GetLen() );
DBG_ASSERT( aLine.Search( _CR ) == STRING_NOTFOUND, "ImplGetTextLines - Found CR!" );
DBG_ASSERT( aLine.Search( _LF ) == STRING_NOTFOUND, "ImplGetTextLines - Found LF!" );
}
#endif
return nMaxLineWidth;
}
// =======================================================================
void OutputDevice::SetAntialiasing( sal_uInt16 nMode )
{
if ( mnAntialiasing != nMode )
{
mnAntialiasing = nMode;
mbInitFont = sal_True;
if(mpGraphics)
{
mpGraphics->setAntiAliasB2DDraw(mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW);
}
}
if( mpAlphaVDev )
mpAlphaVDev->SetAntialiasing( nMode );
}
// -----------------------------------------------------------------------
void OutputDevice::SetFont( const Font& rNewFont )
{
DBG_TRACE( "OutputDevice::SetFont()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DBG_CHKOBJ( &rNewFont, Font, NULL );
Font aFont( rNewFont );
aFont.SetLanguage(rNewFont.GetLanguage());
if ( mnDrawMode & (DRAWMODE_BLACKTEXT | DRAWMODE_WHITETEXT | DRAWMODE_GRAYTEXT | DRAWMODE_GHOSTEDTEXT | DRAWMODE_SETTINGSTEXT |
DRAWMODE_BLACKFILL | DRAWMODE_WHITEFILL | DRAWMODE_GRAYFILL | DRAWMODE_NOFILL |
DRAWMODE_GHOSTEDFILL | DRAWMODE_SETTINGSFILL ) )
{
Color aTextColor( aFont.GetColor() );
if ( mnDrawMode & DRAWMODE_BLACKTEXT )
aTextColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITETEXT )
aTextColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYTEXT )
{
const sal_uInt8 cLum = aTextColor.GetLuminance();
aTextColor = Color( cLum, cLum, cLum );
}
else if ( mnDrawMode & DRAWMODE_SETTINGSTEXT )
aTextColor = GetSettings().GetStyleSettings().GetFontColor();
if ( mnDrawMode & DRAWMODE_GHOSTEDTEXT )
{
aTextColor = Color( (aTextColor.GetRed() >> 1 ) | 0x80,
(aTextColor.GetGreen() >> 1 ) | 0x80,
(aTextColor.GetBlue() >> 1 ) | 0x80 );
}
aFont.SetColor( aTextColor );
sal_Bool bTransFill = aFont.IsTransparent();
if ( !bTransFill )
{
Color aTextFillColor( aFont.GetFillColor() );
if ( mnDrawMode & DRAWMODE_BLACKFILL )
aTextFillColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITEFILL )
aTextFillColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYFILL )
{
const sal_uInt8 cLum = aTextFillColor.GetLuminance();
aTextFillColor = Color( cLum, cLum, cLum );
}
else if( mnDrawMode & DRAWMODE_SETTINGSFILL )
aTextFillColor = GetSettings().GetStyleSettings().GetWindowColor();
else if ( mnDrawMode & DRAWMODE_NOFILL )
{
aTextFillColor = Color( COL_TRANSPARENT );
bTransFill = sal_True;
}
if ( !bTransFill && (mnDrawMode & DRAWMODE_GHOSTEDFILL) )
{
aTextFillColor = Color( (aTextFillColor.GetRed() >> 1) | 0x80,
(aTextFillColor.GetGreen() >> 1) | 0x80,
(aTextFillColor.GetBlue() >> 1) | 0x80 );
}
aFont.SetFillColor( aTextFillColor );
}
}
if ( mpMetaFile )
{
mpMetaFile->AddAction( new MetaFontAction( aFont ) );
// the color and alignment actions don't belong here
// TODO: get rid of them without breaking anything...
mpMetaFile->AddAction( new MetaTextAlignAction( aFont.GetAlign() ) );
mpMetaFile->AddAction( new MetaTextFillColorAction( aFont.GetFillColor(), !aFont.IsTransparent() ) );
}
#if (OSL_DEBUG_LEVEL > 2) || defined (HDU_DEBUG)
fprintf( stderr, " OutputDevice::SetFont( name=\"%s\", h=%ld)\n",
OUStringToOString( aFont.GetName(), RTL_TEXTENCODING_UTF8 ).getStr(),
aFont.GetSize().Height() );
#endif
if ( !maFont.IsSameInstance( aFont ) )
{
// Optimization MT/HDU: COL_TRANSPARENT means SetFont should ignore the font color,
// because SetTextColor() is used for this.
// #i28759# maTextColor might have been changed behind our back, commit then, too.
if( aFont.GetColor() != COL_TRANSPARENT
&& (aFont.GetColor() != maFont.GetColor() || aFont.GetColor() != maTextColor ) )
{
maTextColor = aFont.GetColor();
mbInitTextColor = sal_True;
if( mpMetaFile )
mpMetaFile->AddAction( new MetaTextColorAction( aFont.GetColor() ) );
}
maFont = aFont;
mbNewFont = sal_True;
if( mpAlphaVDev )
{
// #i30463#
// Since SetFont might change the text color, apply that only
// selectively to alpha vdev (which normally paints opaque text
// with COL_BLACK)
if( aFont.GetColor() != COL_TRANSPARENT )
{
mpAlphaVDev->SetTextColor( COL_BLACK );
aFont.SetColor( COL_TRANSPARENT );
}
mpAlphaVDev->SetFont( aFont );
}
}
}
// -----------------------------------------------------------------------
void OutputDevice::SetLayoutMode( sal_uLong nTextLayoutMode )
{
DBG_TRACE( "OutputDevice::SetTextLayoutMode()" );
if( mpMetaFile )
mpMetaFile->AddAction( new MetaLayoutModeAction( nTextLayoutMode ) );
mnTextLayoutMode = nTextLayoutMode;
if( mpAlphaVDev )
mpAlphaVDev->SetLayoutMode( nTextLayoutMode );
}
// -----------------------------------------------------------------------
void OutputDevice::SetDigitLanguage( LanguageType eTextLanguage )
{
DBG_TRACE( "OutputDevice::SetTextLanguage()" );
if( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLanguageAction( eTextLanguage ) );
meTextLanguage = eTextLanguage;
if( mpAlphaVDev )
mpAlphaVDev->SetDigitLanguage( eTextLanguage );
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextColor( const Color& rColor )
{
DBG_TRACE( "OutputDevice::SetTextColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Color aColor( rColor );
if ( mnDrawMode & ( DRAWMODE_BLACKTEXT | DRAWMODE_WHITETEXT |
DRAWMODE_GRAYTEXT | DRAWMODE_GHOSTEDTEXT |
DRAWMODE_SETTINGSTEXT ) )
{
if ( mnDrawMode & DRAWMODE_BLACKTEXT )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITETEXT )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYTEXT )
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color( cLum, cLum, cLum );
}
else if ( mnDrawMode & DRAWMODE_SETTINGSTEXT )
aColor = GetSettings().GetStyleSettings().GetFontColor();
if ( mnDrawMode & DRAWMODE_GHOSTEDTEXT )
{
aColor = Color( (aColor.GetRed() >> 1) | 0x80,
(aColor.GetGreen() >> 1) | 0x80,
(aColor.GetBlue() >> 1) | 0x80 );
}
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextColorAction( aColor ) );
if ( maTextColor != aColor )
{
maTextColor = aColor;
mbInitTextColor = sal_True;
}
if( mpAlphaVDev )
mpAlphaVDev->SetTextColor( COL_BLACK );
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextFillColor()
{
DBG_TRACE( "OutputDevice::SetTextFillColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextFillColorAction( Color(), sal_False ) );
if ( maFont.GetColor() != Color( COL_TRANSPARENT ) )
maFont.SetFillColor( Color( COL_TRANSPARENT ) );
if ( !maFont.IsTransparent() )
maFont.SetTransparent( sal_True );
if( mpAlphaVDev )
mpAlphaVDev->SetTextFillColor();
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextFillColor( const Color& rColor )
{
DBG_TRACE( "OutputDevice::SetTextFillColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Color aColor( rColor );
sal_Bool bTransFill = ImplIsColorTransparent( aColor ) ? sal_True : sal_False;
if ( !bTransFill )
{
if ( mnDrawMode & ( DRAWMODE_BLACKFILL | DRAWMODE_WHITEFILL |
DRAWMODE_GRAYFILL | DRAWMODE_NOFILL |
DRAWMODE_GHOSTEDFILL | DRAWMODE_SETTINGSFILL ) )
{
if ( mnDrawMode & DRAWMODE_BLACKFILL )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITEFILL )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYFILL )
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color( cLum, cLum, cLum );
}
else if( mnDrawMode & DRAWMODE_SETTINGSFILL )
aColor = GetSettings().GetStyleSettings().GetWindowColor();
else if ( mnDrawMode & DRAWMODE_NOFILL )
{
aColor = Color( COL_TRANSPARENT );
bTransFill = sal_True;
}
if ( !bTransFill && (mnDrawMode & DRAWMODE_GHOSTEDFILL) )
{
aColor = Color( (aColor.GetRed() >> 1) | 0x80,
(aColor.GetGreen() >> 1) | 0x80,
(aColor.GetBlue() >> 1) | 0x80 );
}
}
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextFillColorAction( aColor, sal_True ) );
if ( maFont.GetFillColor() != aColor )
maFont.SetFillColor( aColor );
if ( maFont.IsTransparent() != bTransFill )
maFont.SetTransparent( bTransFill );
if( mpAlphaVDev )
mpAlphaVDev->SetTextFillColor( COL_BLACK );
}
// -----------------------------------------------------------------------
Color OutputDevice::GetTextFillColor() const
{
if ( maFont.IsTransparent() )
return Color( COL_TRANSPARENT );
else
return maFont.GetFillColor();
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextLineColor()
{
DBG_TRACE( "OutputDevice::SetTextLineColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineColorAction( Color(), sal_False ) );
maTextLineColor = Color( COL_TRANSPARENT );
if( mpAlphaVDev )
mpAlphaVDev->SetTextLineColor();
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextLineColor( const Color& rColor )
{
DBG_TRACE( "OutputDevice::SetTextLineColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Color aColor( rColor );
if ( mnDrawMode & ( DRAWMODE_BLACKTEXT | DRAWMODE_WHITETEXT |
DRAWMODE_GRAYTEXT | DRAWMODE_GHOSTEDTEXT |
DRAWMODE_SETTINGSTEXT ) )
{
if ( mnDrawMode & DRAWMODE_BLACKTEXT )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITETEXT )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYTEXT )
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color( cLum, cLum, cLum );
}
else if ( mnDrawMode & DRAWMODE_SETTINGSTEXT )
aColor = GetSettings().GetStyleSettings().GetFontColor();
if( (mnDrawMode & DRAWMODE_GHOSTEDTEXT)
&& (aColor.GetColor() != COL_TRANSPARENT) )
{
aColor = Color( (aColor.GetRed() >> 1) | 0x80,
(aColor.GetGreen() >> 1) | 0x80,
(aColor.GetBlue() >> 1) | 0x80 );
}
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineColorAction( aColor, sal_True ) );
maTextLineColor = aColor;
if( mpAlphaVDev )
mpAlphaVDev->SetTextLineColor( COL_BLACK );
}
// -----------------------------------------------------------------------
void OutputDevice::SetOverlineColor()
{
DBG_TRACE( "OutputDevice::SetOverlineColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaOverlineColorAction( Color(), sal_False ) );
maOverlineColor = Color( COL_TRANSPARENT );
if( mpAlphaVDev )
mpAlphaVDev->SetOverlineColor();
}
// -----------------------------------------------------------------------
void OutputDevice::SetOverlineColor( const Color& rColor )
{
DBG_TRACE( "OutputDevice::SetOverlineColor()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Color aColor( rColor );
if ( mnDrawMode & ( DRAWMODE_BLACKTEXT | DRAWMODE_WHITETEXT |
DRAWMODE_GRAYTEXT | DRAWMODE_GHOSTEDTEXT |
DRAWMODE_SETTINGSTEXT ) )
{
if ( mnDrawMode & DRAWMODE_BLACKTEXT )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITETEXT )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYTEXT )
{
const sal_uInt8 cLum = aColor.GetLuminance();
aColor = Color( cLum, cLum, cLum );
}
else if ( mnDrawMode & DRAWMODE_SETTINGSTEXT )
aColor = GetSettings().GetStyleSettings().GetFontColor();
if( (mnDrawMode & DRAWMODE_GHOSTEDTEXT)
&& (aColor.GetColor() != COL_TRANSPARENT) )
{
aColor = Color( (aColor.GetRed() >> 1) | 0x80,
(aColor.GetGreen() >> 1) | 0x80,
(aColor.GetBlue() >> 1) | 0x80 );
}
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaOverlineColorAction( aColor, sal_True ) );
maOverlineColor = aColor;
if( mpAlphaVDev )
mpAlphaVDev->SetOverlineColor( COL_BLACK );
}
// -----------------------------------------------------------------------
void OutputDevice::SetTextAlign( TextAlign eAlign )
{
DBG_TRACE( "OutputDevice::SetTextAlign()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextAlignAction( eAlign ) );
if ( maFont.GetAlign() != eAlign )
{
maFont.SetAlign( eAlign );
mbNewFont = sal_True;
}
if( mpAlphaVDev )
mpAlphaVDev->SetTextAlign( eAlign );
}
// -----------------------------------------------------------------------
void OutputDevice::DrawTextLine( const Point& rPos, long nWidth,
FontStrikeout eStrikeout,
FontUnderline eUnderline,
FontUnderline eOverline,
sal_Bool bUnderlineAbove )
{
DBG_TRACE( "OutputDevice::DrawTextLine()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineAction( rPos, nWidth, eStrikeout, eUnderline, eOverline ) );
if ( ((eUnderline == UNDERLINE_NONE) || (eUnderline == UNDERLINE_DONTKNOW)) &&
((eOverline == UNDERLINE_NONE) || (eOverline == UNDERLINE_DONTKNOW)) &&
((eStrikeout == STRIKEOUT_NONE) || (eStrikeout == STRIKEOUT_DONTKNOW)) )
return;
if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
// we need a graphics
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
// initialize font if needed to get text offsets
// TODO: only needed for mnTextOff!=(0,0)
if( mbNewFont )
if( !ImplNewFont() )
return;
if( mbInitFont )
ImplInitFont();
Point aPos = ImplLogicToDevicePixel( rPos );
nWidth = ImplLogicWidthToDevicePixel( nWidth );
aPos += Point( mnTextOffX, mnTextOffY );
ImplDrawTextLine( aPos.X(), aPos.X(), 0, nWidth, eStrikeout, eUnderline, eOverline, bUnderlineAbove );
if( mpAlphaVDev )
mpAlphaVDev->DrawTextLine( rPos, nWidth, eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
// ------------------------------------------------------------------------
sal_Bool OutputDevice::IsTextUnderlineAbove( const Font& rFont )
{
return ImplIsUnderlineAbove( rFont );
}
// ------------------------------------------------------------------------
void OutputDevice::DrawWaveLine( const Point& rStartPos, const Point& rEndPos,
sal_uInt16 nStyle )
{
DBG_TRACE( "OutputDevice::DrawWaveLine()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
// we need a graphics
if( !mpGraphics )
if( !ImplGetGraphics() )
return;
if ( mbInitClipRegion )
ImplInitClipRegion();
if ( mbOutputClipped )
return;
if( mbNewFont )
if( !ImplNewFont() )
return;
Point aStartPt = ImplLogicToDevicePixel( rStartPos );
Point aEndPt = ImplLogicToDevicePixel( rEndPos );
long nStartX = aStartPt.X();
long nStartY = aStartPt.Y();
long nEndX = aEndPt.X();
long nEndY = aEndPt.Y();
short nOrientation = 0;
// when rotated
if ( (nStartY != nEndY) || (nStartX > nEndX) )
{
long nDX = nEndX - nStartX;
double nO = atan2( -nEndY + nStartY, ((nDX == 0L) ? 0.000000001 : nDX) );
nO /= F_PI1800;
nOrientation = (short)nO;
ImplRotatePos( nStartX, nStartY, nEndX, nEndY, -nOrientation );
}
long nWaveHeight;
if ( nStyle == WAVE_NORMAL )
{
nWaveHeight = 3;
nStartY++;
nEndY++;
}
else if( nStyle == WAVE_SMALL )
{
nWaveHeight = 2;
nStartY++;
nEndY++;
}
else // WAVE_FLAT
nWaveHeight = 1;
// #109280# make sure the waveline does not exceed the descent to avoid paint problems
ImplFontEntry* pFontEntry = mpFontEntry;
if( nWaveHeight > pFontEntry->maMetric.mnWUnderlineSize )
nWaveHeight = pFontEntry->maMetric.mnWUnderlineSize;
ImplDrawWaveLine( nStartX, nStartY, 0, 0,
nEndX-nStartX, nWaveHeight, 1,
nOrientation, GetLineColor() );
if( mpAlphaVDev )
mpAlphaVDev->DrawWaveLine( rStartPos, rEndPos, nStyle );
}
// -----------------------------------------------------------------------
void OutputDevice::DrawText( const Point& rStartPt, const String& rStr,
xub_StrLen nIndex, xub_StrLen nLen,
MetricVector* pVector, String* pDisplayText
)
{
if( mpOutDevData && mpOutDevData->mpRecordLayout )
{
pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
}
DBG_TRACE( "OutputDevice::DrawText()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
#if OSL_DEBUG_LEVEL > 2
fprintf( stderr, " OutputDevice::DrawText(\"%s\")\n",
OUStringToOString( rStr, RTL_TEXTENCODING_UTF8 ).getStr() );
#endif
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextAction( rStartPt, rStr, nIndex, nLen ) );
if( pVector )
{
Region aClip( GetClipRegion() );
if( meOutDevType == OUTDEV_WINDOW )
aClip.Intersect( Rectangle( Point(), GetOutputSize() ) );
if( mpOutDevData && mpOutDevData->mpRecordLayout )
{
mpOutDevData->mpRecordLayout->m_aLineIndices.push_back( mpOutDevData->mpRecordLayout->m_aDisplayText.Len() );
aClip.Intersect( mpOutDevData->maRecordRect );
}
if( ! aClip.IsNull() )
{
MetricVector aTmp;
GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, nIndex, aTmp );
bool bInserted = false;
for( MetricVector::const_iterator it = aTmp.begin(); it != aTmp.end(); ++it, nIndex++ )
{
bool bAppend = false;
if( aClip.IsOver( *it ) )
bAppend = true;
else if( rStr.GetChar( nIndex ) == ' ' && bInserted )
{
MetricVector::const_iterator next = it;
++next;
if( next != aTmp.end() && aClip.IsOver( *next ) )
bAppend = true;
}
if( bAppend )
{
pVector->push_back( *it );
if( pDisplayText )
pDisplayText->Append( rStr.GetChar( nIndex ) );
bInserted = true;
}
}
}
else
{
GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, nIndex, *pVector );
if( pDisplayText )
pDisplayText->Append( rStr.Copy( nIndex, nLen ) );
}
}
if ( !IsDeviceOutputNecessary() || pVector )
return;
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen, rStartPt, 0, NULL, true );
if( pSalLayout )
{
ImplDrawText( *pSalLayout );
pSalLayout->Release();
}
if( mpAlphaVDev )
mpAlphaVDev->DrawText( rStartPt, rStr, nIndex, nLen, pVector, pDisplayText );
}
// -----------------------------------------------------------------------
long OutputDevice::GetTextWidth( const String& rStr,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
DBG_TRACE( "OutputDevice::GetTextWidth()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
long nWidth = GetTextArray( rStr, NULL, nIndex, nLen );
return nWidth;
}
// -----------------------------------------------------------------------
long OutputDevice::GetTextHeight() const
{
DBG_TRACE( "OutputDevice::GetTextHeight()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if( mbNewFont )
if( !ImplNewFont() )
return 0;
if( mbInitFont )
if( !ImplNewFont() )
return 0;
long nHeight = mpFontEntry->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
if ( mbMap )
nHeight = ImplDevicePixelToLogicHeight( nHeight );
return nHeight;
}
// -----------------------------------------------------------------------
void OutputDevice::DrawTextArray( const Point& rStartPt, const String& rStr,
const sal_Int32* pDXAry,
xub_StrLen nIndex, xub_StrLen nLen )
{
DBG_TRACE( "OutputDevice::DrawTextArray()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextArrayAction( rStartPt, rStr, pDXAry, nIndex, nLen ) );
if ( !IsDeviceOutputNecessary() )
return;
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen, rStartPt, 0, pDXAry, true );
if( pSalLayout )
{
ImplDrawText( *pSalLayout );
pSalLayout->Release();
}
if( mpAlphaVDev )
mpAlphaVDev->DrawTextArray( rStartPt, rStr, pDXAry, nIndex, nLen );
}
// -----------------------------------------------------------------------
long OutputDevice::GetTextArray( const String& rStr, sal_Int32* pDXAry,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
DBG_TRACE( "OutputDevice::GetTextArray()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if( nIndex >= rStr.Len() )
return 0;
if( (sal_uLong)nIndex+nLen >= rStr.Len() )
nLen = rStr.Len() - nIndex;
// do layout
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen );
if( !pSalLayout )
return 0;
long nWidth = pSalLayout->FillDXArray( pDXAry );
int nWidthFactor = pSalLayout->GetUnitsPerPixel();
pSalLayout->Release();
// convert virtual char widths to virtual absolute positions
if( pDXAry )
for( int i = 1; i < nLen; ++i )
pDXAry[ i ] += pDXAry[ i-1 ];
// convert from font units to logical units
if( mbMap )
{
if( pDXAry )
for( int i = 0; i < nLen; ++i )
pDXAry[i] = ImplDevicePixelToLogicWidth( pDXAry[i] );
nWidth = ImplDevicePixelToLogicWidth( nWidth );
}
if( nWidthFactor > 1 )
{
if( pDXAry )
for( int i = 0; i < nLen; ++i )
pDXAry[i] /= nWidthFactor;
nWidth /= nWidthFactor;
}
return nWidth;
}
// -----------------------------------------------------------------------
bool OutputDevice::GetCaretPositions( const XubString& rStr, sal_Int32* pCaretXArray,
xub_StrLen nIndex, xub_StrLen nLen,
sal_Int32* pDXAry, long nLayoutWidth,
sal_Bool bCellBreaking ) const
{
DBG_TRACE( "OutputDevice::GetCaretPositions()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if( nIndex >= rStr.Len() )
return false;
if( (sal_uLong)nIndex+nLen >= rStr.Len() )
nLen = rStr.Len() - nIndex;
// layout complex text
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen,
Point(0,0), nLayoutWidth, pDXAry );
if( !pSalLayout )
return false;
int nWidthFactor = pSalLayout->GetUnitsPerPixel();
pSalLayout->GetCaretPositions( 2*nLen, pCaretXArray );
long nWidth = pSalLayout->GetTextWidth();
pSalLayout->Release();
// fixup unknown caret positions
int i;
for( i = 0; i < 2 * nLen; ++i )
if( pCaretXArray[ i ] >= 0 )
break;
long nXPos = pCaretXArray[ i ];
for( i = 0; i < 2 * nLen; ++i )
{
if( pCaretXArray[ i ] >= 0 )
nXPos = pCaretXArray[ i ];
else
pCaretXArray[ i ] = nXPos;
}
// handle window mirroring
if( IsRTLEnabled() )
{
for( i = 0; i < 2 * nLen; ++i )
pCaretXArray[i] = nWidth - pCaretXArray[i] - 1;
}
// convert from font units to logical units
if( mbMap )
{
for( i = 0; i < 2*nLen; ++i )
pCaretXArray[i] = ImplDevicePixelToLogicWidth( pCaretXArray[i] );
}
if( nWidthFactor != 1 )
{
for( i = 0; i < 2*nLen; ++i )
pCaretXArray[i] /= nWidthFactor;
}
// if requested move caret position to cell limits
if( bCellBreaking )
{
; // TODO
}
return true;
}
// -----------------------------------------------------------------------
void OutputDevice::DrawStretchText( const Point& rStartPt, sal_uLong nWidth,
const String& rStr,
xub_StrLen nIndex, xub_StrLen nLen )
{
DBG_TRACE( "OutputDevice::DrawStretchText()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaStretchTextAction( rStartPt, nWidth, rStr, nIndex, nLen ) );
if ( !IsDeviceOutputNecessary() )
return;
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen, rStartPt, nWidth, NULL, true );
if( pSalLayout )
{
ImplDrawText( *pSalLayout );
pSalLayout->Release();
}
if( mpAlphaVDev )
mpAlphaVDev->DrawStretchText( rStartPt, nWidth, rStr, nIndex, nLen );
}
// -----------------------------------------------------------------------
ImplLayoutArgs OutputDevice::ImplPrepareLayoutArgs( String& rStr,
xub_StrLen nMinIndex, xub_StrLen nLen,
long nPixelWidth, const sal_Int32* pDXArray ) const
{
// get string length for calculating extents
xub_StrLen nEndIndex = rStr.Len();
if( (sal_uLong)nMinIndex + nLen < nEndIndex )
nEndIndex = nMinIndex + nLen;
// don't bother if there is nothing to do
if( nEndIndex < nMinIndex )
nEndIndex = nMinIndex;
int nLayoutFlags = 0;
if( mnTextLayoutMode & TEXT_LAYOUT_BIDI_RTL )
nLayoutFlags |= SAL_LAYOUT_BIDI_RTL;
if( mnTextLayoutMode & TEXT_LAYOUT_BIDI_STRONG )
nLayoutFlags |= SAL_LAYOUT_BIDI_STRONG;
else if( 0 == (mnTextLayoutMode & TEXT_LAYOUT_BIDI_RTL) )
{
// disable Bidi if no RTL hint and no RTL codes used
const xub_Unicode* pStr = rStr.GetBuffer() + nMinIndex;
const xub_Unicode* pEnd = rStr.GetBuffer() + nEndIndex;
for( ; pStr < pEnd; ++pStr )
if( ((*pStr >= 0x0580) && (*pStr < 0x0800)) // middle eastern scripts
|| ((*pStr >= 0xFB18) && (*pStr < 0xFE00)) // hebrew + arabic A presentation forms
|| ((*pStr >= 0xFE70) && (*pStr < 0xFEFF)) ) // arabic presentation forms B
break;
if( pStr >= pEnd )
nLayoutFlags |= SAL_LAYOUT_BIDI_STRONG;
}
if( mbKerning )
nLayoutFlags |= SAL_LAYOUT_KERNING_PAIRS;
if( maFont.GetKerning() & KERNING_ASIAN )
nLayoutFlags |= SAL_LAYOUT_KERNING_ASIAN;
if( maFont.IsVertical() )
nLayoutFlags |= SAL_LAYOUT_VERTICAL;
if( mnTextLayoutMode & TEXT_LAYOUT_ENABLE_LIGATURES )
nLayoutFlags |= SAL_LAYOUT_ENABLE_LIGATURES;
else if( mnTextLayoutMode & TEXT_LAYOUT_COMPLEX_DISABLED )
nLayoutFlags |= SAL_LAYOUT_COMPLEX_DISABLED;
else
{
// disable CTL for non-CTL text
const sal_Unicode* pStr = rStr.GetBuffer() + nMinIndex;
const sal_Unicode* pEnd = rStr.GetBuffer() + nEndIndex;
for( ; pStr < pEnd; ++pStr )
if( ((*pStr >= 0x0300) && (*pStr < 0x0370)) // diacritical marks
|| ((*pStr >= 0x0590) && (*pStr < 0x10A0)) // many CTL scripts
|| ((*pStr >= 0x1100) && (*pStr < 0x1200)) // hangul jamo
|| ((*pStr >= 0x1700) && (*pStr < 0x1900)) // many CTL scripts
|| ((*pStr >= 0xFB1D) && (*pStr < 0xFE00)) // middle east presentation
|| ((*pStr >= 0xFE70) && (*pStr < 0xFEFF)) // arabic presentation B
|| ((*pStr >= 0xFE00) && (*pStr < 0xFE10)) // variation selectors in BMP
|| ((pStr + 1 < pEnd) && (pStr[0] == 0xDB40) && (0xDD00 <= pStr[1]) && (pStr[1] < 0xDEF0)) // variation selector supplement
)
break;
if( pStr >= pEnd )
nLayoutFlags |= SAL_LAYOUT_COMPLEX_DISABLED;
}
if( meTextLanguage ) //TODO: (mnTextLayoutMode & TEXT_LAYOUT_SUBSTITUTE_DIGITS)
{
// disable character localization when no digits used
const sal_Unicode* pBase = rStr.GetBuffer();
const sal_Unicode* pStr = pBase + nMinIndex;
const sal_Unicode* pEnd = pBase + nEndIndex;
for( ; pStr < pEnd; ++pStr )
{
// TODO: are there non-digit localizations?
if( (*pStr >= '0') && (*pStr <= '9') )
{
// translate characters to local preference
sal_UCS4 cChar = GetLocalizedChar( *pStr, meTextLanguage );
if( cChar != *pStr )
// TODO: are the localized digit surrogates?
rStr.SetChar( static_cast<sal_uInt16>(pStr - pBase),
static_cast<sal_Unicode>(cChar) );
}
}
}
// right align for RTL text, DRAWPOS_REVERSED, RTL window style
bool bRightAlign = ((mnTextLayoutMode & TEXT_LAYOUT_BIDI_RTL) != 0);
if( mnTextLayoutMode & TEXT_LAYOUT_TEXTORIGIN_LEFT )
bRightAlign = false;
else if ( mnTextLayoutMode & TEXT_LAYOUT_TEXTORIGIN_RIGHT )
bRightAlign = true;
// SSA: hack for western office, ie text get right aligned
// for debugging purposes of mirrored UI
//static const char* pEnv = getenv( "SAL_RTL_MIRRORTEXT" );
bool bRTLWindow = IsRTLEnabled();
bRightAlign ^= bRTLWindow;
if( bRightAlign )
nLayoutFlags |= SAL_LAYOUT_RIGHT_ALIGN;
// set layout options
ImplLayoutArgs aLayoutArgs( rStr.GetBuffer(), rStr.Len(), nMinIndex, nEndIndex, nLayoutFlags );
int nOrientation = mpFontEntry ? mpFontEntry->mnOrientation : 0;
aLayoutArgs.SetOrientation( nOrientation );
aLayoutArgs.SetLayoutWidth( nPixelWidth );
aLayoutArgs.SetDXArray( pDXArray );
return aLayoutArgs;
}
// -----------------------------------------------------------------------
SalLayout* OutputDevice::ImplLayout( const String& rOrigStr,
xub_StrLen nMinIndex,
xub_StrLen nLen,
const Point& rLogicalPos,
long nLogicalWidth,
const sal_Int32* pDXArray,
bool bFilter ) const
{
// we need a graphics
if( !mpGraphics )
if( !ImplGetGraphics() )
return NULL;
// initialize font if needed
if( mbNewFont )
if( !ImplNewFont() )
return NULL;
if( mbInitFont )
ImplInitFont();
// check string index and length
if( (unsigned)nMinIndex + nLen > rOrigStr.Len() )
{
const int nNewLen = (int)rOrigStr.Len() - nMinIndex;
if( nNewLen <= 0 )
return NULL;
nLen = static_cast<xub_StrLen>(nNewLen);
}
String aStr = rOrigStr;
// filter out special markers
if( bFilter )
{
xub_StrLen nCutStart, nCutStop, nOrgLen = nLen;
bool bFiltered = mpGraphics->filterText( rOrigStr, aStr, nMinIndex, nLen, nCutStart, nCutStop );
if( !nLen )
return NULL;
if( bFiltered && nCutStop != nCutStart && pDXArray )
{
if( !nLen )
pDXArray = NULL;
else
{
sal_Int32* pAry = (sal_Int32*)alloca(sizeof(sal_Int32)*nLen);
if( nCutStart > nMinIndex )
memcpy( pAry, pDXArray, sizeof(sal_Int32)*(nCutStart-nMinIndex) );
// note: nCutStart will never be smaller than nMinIndex
memcpy( pAry+nCutStart-nMinIndex,
pDXArray + nOrgLen - (nCutStop-nMinIndex),
sizeof(sal_Int32)*(nLen - (nCutStart-nMinIndex)) );
pDXArray = pAry;
}
}
}
// convert from logical units to physical units
// recode string if needed
if( mpFontEntry->mpConversion )
mpFontEntry->mpConversion->RecodeString( aStr, 0, aStr.Len() );
long nPixelWidth = nLogicalWidth;
if( nLogicalWidth && mbMap )
nPixelWidth = ImplLogicWidthToDevicePixel( nLogicalWidth );
if( pDXArray && mbMap )
{
// convert from logical units to font units using a temporary array
sal_Int32* pTempDXAry = (sal_Int32*)alloca( nLen * sizeof(sal_Int32) );
// using base position for better rounding a.k.a. "dancing characters"
int nPixelXOfs = ImplLogicWidthToDevicePixel( rLogicalPos.X() );
for( int i = 0; i < nLen; ++i )
pTempDXAry[i] = ImplLogicWidthToDevicePixel( rLogicalPos.X() + pDXArray[i] ) - nPixelXOfs;
pDXArray = pTempDXAry;
}
ImplLayoutArgs aLayoutArgs = ImplPrepareLayoutArgs( aStr, nMinIndex, nLen, nPixelWidth, pDXArray );
// get matching layout object for base font
SalLayout* pSalLayout = NULL;
if( mpPDFWriter )
pSalLayout = mpPDFWriter->GetTextLayout( aLayoutArgs, &mpFontEntry->maFontSelData );
if( !pSalLayout )
pSalLayout = mpGraphics->GetTextLayout( aLayoutArgs, 0 );
// layout text
if( pSalLayout && !pSalLayout->LayoutText( aLayoutArgs ) )
{
pSalLayout->Release();
pSalLayout = NULL;
}
if( !pSalLayout )
return NULL;
// do glyph fallback if needed
// #105768# avoid fallback for very small font sizes
if( aLayoutArgs.NeedFallback() )
if( mpFontEntry && (mpFontEntry->maFontSelData.mnHeight >= 3) )
pSalLayout = ImplGlyphFallbackLayout( pSalLayout, aLayoutArgs );
// position, justify, etc. the layout
pSalLayout->AdjustLayout( aLayoutArgs );
pSalLayout->DrawBase() = ImplLogicToDevicePixel( rLogicalPos );
// adjust to right alignment if necessary
if( aLayoutArgs.mnFlags & SAL_LAYOUT_RIGHT_ALIGN )
{
long nRTLOffset;
if( pDXArray )
nRTLOffset = pDXArray[ nLen - 1 ];
else if( nPixelWidth )
nRTLOffset = nPixelWidth;
else
nRTLOffset = pSalLayout->GetTextWidth() / pSalLayout->GetUnitsPerPixel();
pSalLayout->DrawOffset().X() = 1 - nRTLOffset;
}
return pSalLayout;
}
// -----------------------------------------------------------------------
SalLayout* OutputDevice::ImplGlyphFallbackLayout( SalLayout* pSalLayout, ImplLayoutArgs& rLayoutArgs ) const
{
// prepare multi level glyph fallback
MultiSalLayout* pMultiSalLayout = NULL;
ImplLayoutRuns aLayoutRuns = rLayoutArgs.maRuns;
rLayoutArgs.PrepareFallback();
rLayoutArgs.mnFlags |= SAL_LAYOUT_FOR_FALLBACK;
#if defined(HDU_DEBUG)
{
int nCharPos = -1;
bool bRTL = false;
fprintf(stderr,"OD:ImplLayout Glyph Fallback for");
for( int i=0; i<8 && rLayoutArgs.GetNextPos( &nCharPos, &bRTL); ++i )
fprintf(stderr," U+%04X", rLayoutArgs.mpStr[ nCharPos ] );
fprintf(stderr,"\n");
rLayoutArgs.ResetPos();
}
#endif
// get list of unicodes that need glyph fallback
int nCharPos = -1;
bool bRTL = false;
rtl::OUStringBuffer aMissingCodeBuf;
while( rLayoutArgs.GetNextPos( &nCharPos, &bRTL) )
aMissingCodeBuf.append( rLayoutArgs.mpStr[ nCharPos ] );
rLayoutArgs.ResetPos();
rtl::OUString aMissingCodes = aMissingCodeBuf.makeStringAndClear();
ImplFontSelectData aFontSelData = mpFontEntry->maFontSelData;
ImplFontMetricData aOrigMetric( aFontSelData );
// TODO: use cached metric in fontentry
mpGraphics->GetFontMetric( &aOrigMetric );
// when device specific font substitution may have been performed for
// the originally selected font then make sure that a fallback to that
// font is performed first
int nDevSpecificFallback = 0;
if( mpOutDevData && !mpOutDevData->maDevFontSubst.Empty() )
nDevSpecificFallback = 1;
// try if fallback fonts support the missing unicodes
for( int nFallbackLevel = 1; nFallbackLevel < MAX_FALLBACK; ++nFallbackLevel )
{
// find a font family suited for glyph fallback
#ifndef FONTFALLBACK_HOOKS_DISABLED
// GetGlyphFallbackFont() needs a valid aFontSelData.mpFontEntry
// if the system-specific glyph fallback is active
aFontSelData.mpFontEntry = mpFontEntry; // reset the fontentry to base-level
#endif
ImplFontEntry* pFallbackFont = mpFontCache->GetGlyphFallbackFont( mpFontList,
aFontSelData, nFallbackLevel-nDevSpecificFallback, aMissingCodes );
if( !pFallbackFont )
break;
aFontSelData.mpFontEntry = pFallbackFont;
aFontSelData.mpFontData = pFallbackFont->maFontSelData.mpFontData;
if( mpFontEntry && nFallbackLevel < MAX_FALLBACK-1)
{
// ignore fallback font if it is the same as the original font
if( mpFontEntry->maFontSelData.mpFontData == aFontSelData.mpFontData )
{
mpFontCache->Release( pFallbackFont );
continue;
}
}
#if defined(HDU_DEBUG)
{
ByteString aOrigFontName( maFont.GetName(), RTL_TEXTENCODING_UTF8);
ByteString aFallbackName( aFontSelData.mpFontData->GetFamilyName(),
RTL_TEXTENCODING_UTF8);
fprintf(stderr,"\tGlyphFallback[lvl=%d] \"%s\" -> \"%s\" (q=%d)\n",
nFallbackLevel, aOrigFontName.GetBuffer(), aFallbackName.GetBuffer(),
aFontSelData.mpFontData->GetQuality());
}
#endif
// TODO: try to get the metric data from the GFB's mpFontEntry
ImplFontMetricData aSubstituteMetric( aFontSelData );
pFallbackFont->mnSetFontFlags = mpGraphics->SetFont( &aFontSelData, nFallbackLevel );
mpGraphics->GetFontMetric( &aSubstituteMetric, nFallbackLevel );
const long nOriginalHeight = aOrigMetric.mnAscent + aOrigMetric.mnDescent;
const long nSubstituteHeight = aSubstituteMetric.mnAscent + aSubstituteMetric.mnDescent;
// Too tall, shrink it a bit. Need a better calculation to include extra
// factors and any extra wriggle room we might have available?
// TODO: should we scale by max-ascent/max-descent instead of design height?
if( nSubstituteHeight > nOriginalHeight )
{
const float fScale = nOriginalHeight / (float)nSubstituteHeight;
const float fOrigHeight = aFontSelData.mfExactHeight;
const int nOrigHeight = aFontSelData.mnHeight;
aFontSelData.mfExactHeight *= fScale;
aFontSelData.mnHeight = static_cast<int>(aFontSelData.mfExactHeight);
pFallbackFont->mnSetFontFlags = mpGraphics->SetFont( &aFontSelData, nFallbackLevel );
aFontSelData.mnHeight = nOrigHeight;
aFontSelData.mfExactHeight = fOrigHeight;
}
// create and add glyph fallback layout to multilayout
rLayoutArgs.ResetPos();
SalLayout* pFallback = mpGraphics->GetTextLayout( rLayoutArgs, nFallbackLevel );
if( pFallback )
{
if( pFallback->LayoutText( rLayoutArgs ) )
{
if( !pMultiSalLayout )
pMultiSalLayout = new MultiSalLayout( *pSalLayout );
pMultiSalLayout->AddFallback( *pFallback,
rLayoutArgs.maRuns, aFontSelData.mpFontData );
if (nFallbackLevel == MAX_FALLBACK-1)
pMultiSalLayout->SetInComplete();
}
else
{
// there is no need for a font that couldn't resolve anything
pFallback->Release();
}
}
mpFontCache->Release( pFallbackFont );
// break when this fallback was sufficient
if( !rLayoutArgs.PrepareFallback() )
break;
}
if( pMultiSalLayout && pMultiSalLayout->LayoutText( rLayoutArgs ) )
pSalLayout = pMultiSalLayout;
// restore orig font settings
pSalLayout->InitFont();
rLayoutArgs.maRuns = aLayoutRuns;
return pSalLayout;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetTextIsRTL(
const String& rString,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
String aStr( rString );
ImplLayoutArgs aArgs = ImplPrepareLayoutArgs( aStr, nIndex, nLen, 0, NULL );
bool bRTL = false;
int nCharPos = -1;
aArgs.GetNextPos( &nCharPos, &bRTL );
return (nCharPos != nIndex) ? sal_True : sal_False;
}
// -----------------------------------------------------------------------
xub_StrLen OutputDevice::GetTextBreak( const String& rStr, long nTextWidth,
xub_StrLen nIndex, xub_StrLen nLen,
long nCharExtra, sal_Bool /*TODO: bCellBreaking*/ ) const
{
DBG_TRACE( "OutputDevice::GetTextBreak()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen );
xub_StrLen nRetVal = STRING_LEN;
if( pSalLayout )
{
// convert logical widths into layout units
// NOTE: be very careful to avoid rounding errors for nCharExtra case
// problem with rounding errors especially for small nCharExtras
// TODO: remove when layout units have subpixel granularity
long nWidthFactor = pSalLayout->GetUnitsPerPixel();
long nSubPixelFactor = (nWidthFactor < 64 ) ? 64 : 1;
nTextWidth *= nWidthFactor * nSubPixelFactor;
long nTextPixelWidth = ImplLogicWidthToDevicePixel( nTextWidth );
long nExtraPixelWidth = 0;
if( nCharExtra != 0 )
{
nCharExtra *= nWidthFactor * nSubPixelFactor;
nExtraPixelWidth = ImplLogicWidthToDevicePixel( nCharExtra );
}
nRetVal = sal::static_int_cast<xub_StrLen>(pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor ));
pSalLayout->Release();
}
return nRetVal;
}
// -----------------------------------------------------------------------
xub_StrLen OutputDevice::GetTextBreak( const String& rStr, long nTextWidth,
sal_Unicode nHyphenatorChar, xub_StrLen& rHyphenatorPos,
xub_StrLen nIndex, xub_StrLen nLen,
long nCharExtra ) const
{
DBG_TRACE( "OutputDevice::GetTextBreak()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
rHyphenatorPos = STRING_LEN;
SalLayout* pSalLayout = ImplLayout( rStr, nIndex, nLen );
if( !pSalLayout )
return STRING_LEN;
// convert logical widths into layout units
// NOTE: be very careful to avoid rounding errors for nCharExtra case
// problem with rounding errors especially for small nCharExtras
// TODO: remove when layout units have subpixel granularity
long nWidthFactor = pSalLayout->GetUnitsPerPixel();
long nSubPixelFactor = (nWidthFactor < 64 ) ? 64 : 1;
nTextWidth *= nWidthFactor * nSubPixelFactor;
long nTextPixelWidth = ImplLogicWidthToDevicePixel( nTextWidth );
long nExtraPixelWidth = 0;
if( nCharExtra != 0 )
{
nCharExtra *= nWidthFactor * nSubPixelFactor;
nExtraPixelWidth = ImplLogicWidthToDevicePixel( nCharExtra );
}
// calculate un-hyphenated break position
xub_StrLen nRetVal = sal::static_int_cast<xub_StrLen>(pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor ));
// calculate hyphenated break position
String aHyphenatorStr( &nHyphenatorChar, 1 );
xub_StrLen nTempLen = 1;
SalLayout* pHyphenatorLayout = ImplLayout( aHyphenatorStr, 0, nTempLen );
if( pHyphenatorLayout )
{
// calculate subpixel width of hyphenation character
long nHyphenatorPixelWidth = pHyphenatorLayout->GetTextWidth() * nSubPixelFactor;
pHyphenatorLayout->Release();
// calculate hyphenated break position
nTextPixelWidth -= nHyphenatorPixelWidth;
if( nExtraPixelWidth > 0 )
nTextPixelWidth -= nExtraPixelWidth;
rHyphenatorPos = sal::static_int_cast<xub_StrLen>(pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor ));
if( rHyphenatorPos > nRetVal )
rHyphenatorPos = nRetVal;
}
pSalLayout->Release();
return nRetVal;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawText( OutputDevice& rTargetDevice, const Rectangle& rRect,
const String& rOrigStr, sal_uInt16 nStyle,
MetricVector* pVector, String* pDisplayText,
::vcl::ITextLayout& _rLayout )
{
Color aOldTextColor;
Color aOldTextFillColor;
sal_Bool bRestoreFillColor = false;
if ( (nStyle & TEXT_DRAW_DISABLE) && ! pVector )
{
sal_Bool bHighContrastBlack = sal_False;
sal_Bool bHighContrastWhite = sal_False;
const StyleSettings& rStyleSettings( rTargetDevice.GetSettings().GetStyleSettings() );
if( rStyleSettings.GetHighContrastMode() )
{
Color aCol;
if( rTargetDevice.IsBackground() )
aCol = rTargetDevice.GetBackground().GetColor();
else
// best guess is the face color here
// but it may be totally wrong. the background color
// was typically already reset
aCol = rStyleSettings.GetFaceColor();
bHighContrastBlack = aCol.IsDark();
bHighContrastWhite = aCol.IsBright();
}
aOldTextColor = rTargetDevice.GetTextColor();
if ( rTargetDevice.IsTextFillColor() )
{
bRestoreFillColor = sal_True;
aOldTextFillColor = rTargetDevice.GetTextFillColor();
}
if( bHighContrastBlack )
rTargetDevice.SetTextColor( COL_GREEN );
else if( bHighContrastWhite )
rTargetDevice.SetTextColor( COL_LIGHTGREEN );
else
{
// draw disabled text always without shadow
// as it fits better with native look
/*
SetTextColor( GetSettings().GetStyleSettings().GetLightColor() );
Rectangle aRect = rRect;
aRect.Move( 1, 1 );
DrawText( aRect, rOrigStr, nStyle & ~TEXT_DRAW_DISABLE );
*/
rTargetDevice.SetTextColor( rTargetDevice.GetSettings().GetStyleSettings().GetDisableColor() );
}
}
long nWidth = rRect.GetWidth();
long nHeight = rRect.GetHeight();
if ( ((nWidth <= 0) || (nHeight <= 0)) && (nStyle & TEXT_DRAW_CLIP) )
return;
Point aPos = rRect.TopLeft();
long nTextHeight = rTargetDevice.GetTextHeight();
TextAlign eAlign = rTargetDevice.GetTextAlign();
xub_StrLen nMnemonicPos = STRING_NOTFOUND;
String aStr = rOrigStr;
if ( nStyle & TEXT_DRAW_MNEMONIC )
aStr = GetNonMnemonicString( aStr, nMnemonicPos );
const bool bDrawMnemonics = !(rTargetDevice.GetSettings().GetStyleSettings().GetOptions() & STYLE_OPTION_NOMNEMONICS) && !pVector;
// Mehrzeiligen Text behandeln wir anders
if ( nStyle & TEXT_DRAW_MULTILINE )
{
XubString aLastLine;
ImplMultiTextLineInfo aMultiLineInfo;
ImplTextLineInfo* pLineInfo;
long nMaxTextWidth;
xub_StrLen i;
xub_StrLen nLines;
xub_StrLen nFormatLines;
if ( nTextHeight )
{
nMaxTextWidth = ImplGetTextLines( aMultiLineInfo, nWidth, aStr, nStyle, _rLayout );
nLines = (xub_StrLen)(nHeight/nTextHeight);
nFormatLines = aMultiLineInfo.Count();
if ( !nLines )
nLines = 1;
if ( nFormatLines > nLines )
{
if ( nStyle & TEXT_DRAW_ENDELLIPSIS )
{
// Letzte Zeile zusammenbauen und kuerzen
nFormatLines = nLines-1;
pLineInfo = aMultiLineInfo.GetLine( nFormatLines );
aLastLine = aStr.Copy( pLineInfo->GetIndex() );
aLastLine.ConvertLineEnd( LINEEND_LF );
// Alle LineFeed's durch Spaces ersetzen
xub_StrLen nLastLineLen = aLastLine.Len();
for ( i = 0; i < nLastLineLen; i++ )
{
if ( aLastLine.GetChar( i ) == _LF )
aLastLine.SetChar( i, ' ' );
}
aLastLine = ImplGetEllipsisString( rTargetDevice, aLastLine, nWidth, nStyle, _rLayout );
nStyle &= ~(TEXT_DRAW_VCENTER | TEXT_DRAW_BOTTOM);
nStyle |= TEXT_DRAW_TOP;
}
}
else
{
if ( nMaxTextWidth <= nWidth )
nStyle &= ~TEXT_DRAW_CLIP;
}
// Muss in der Hoehe geclippt werden?
if ( nFormatLines*nTextHeight > nHeight )
nStyle |= TEXT_DRAW_CLIP;
// Clipping setzen
if ( nStyle & TEXT_DRAW_CLIP )
{
rTargetDevice.Push( PUSH_CLIPREGION );
rTargetDevice.IntersectClipRegion( rRect );
}
// Vertikales Alignment
if ( nStyle & TEXT_DRAW_BOTTOM )
aPos.Y() += nHeight-(nFormatLines*nTextHeight);
else if ( nStyle & TEXT_DRAW_VCENTER )
aPos.Y() += (nHeight-(nFormatLines*nTextHeight))/2;
// Font Alignment
if ( eAlign == ALIGN_BOTTOM )
aPos.Y() += nTextHeight;
else if ( eAlign == ALIGN_BASELINE )
aPos.Y() += rTargetDevice.GetFontMetric().GetAscent();
// Alle Zeilen ausgeben, bis auf die letzte
for ( i = 0; i < nFormatLines; i++ )
{
pLineInfo = aMultiLineInfo.GetLine( i );
if ( nStyle & TEXT_DRAW_RIGHT )
aPos.X() += nWidth-pLineInfo->GetWidth();
else if ( nStyle & TEXT_DRAW_CENTER )
aPos.X() += (nWidth-pLineInfo->GetWidth())/2;
xub_StrLen nIndex = pLineInfo->GetIndex();
xub_StrLen nLineLen = pLineInfo->GetLen();
_rLayout.DrawText( aPos, aStr, nIndex, nLineLen, pVector, pDisplayText );
if ( bDrawMnemonics )
{
if ( (nMnemonicPos >= nIndex) && (nMnemonicPos < nIndex+nLineLen) )
{
long nMnemonicX;
long nMnemonicY;
long nMnemonicWidth;
sal_Int32* pCaretXArray = (sal_Int32*) alloca( 2 * sizeof(sal_Int32) * nLineLen );
/*sal_Bool bRet =*/ _rLayout.GetCaretPositions( aStr, pCaretXArray,
nIndex, nLineLen );
long lc_x1 = pCaretXArray[2*(nMnemonicPos - nIndex)];
long lc_x2 = pCaretXArray[2*(nMnemonicPos - nIndex)+1];
nMnemonicWidth = rTargetDevice.ImplLogicWidthToDevicePixel( ::abs((int)(lc_x1 - lc_x2)) );
Point aTempPos = rTargetDevice.LogicToPixel( aPos );
nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( Min( lc_x1, lc_x2 ) );
nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
}
aPos.Y() += nTextHeight;
aPos.X() = rRect.Left();
}
// Gibt es noch eine letzte Zeile, dann diese linksbuendig ausgeben,
// da die Zeile gekuerzt wurde
if ( aLastLine.Len() )
_rLayout.DrawText( aPos, aLastLine, 0, STRING_LEN, pVector, pDisplayText );
// Clipping zuruecksetzen
if ( nStyle & TEXT_DRAW_CLIP )
rTargetDevice.Pop();
}
}
else
{
long nTextWidth = _rLayout.GetTextWidth( aStr, 0, STRING_LEN );
// Evt. Text kuerzen
if ( nTextWidth > nWidth )
{
if ( nStyle & TEXT_DRAW_ELLIPSIS )
{
aStr = ImplGetEllipsisString( rTargetDevice, aStr, nWidth, nStyle, _rLayout );
nStyle &= ~(TEXT_DRAW_CENTER | TEXT_DRAW_RIGHT);
nStyle |= TEXT_DRAW_LEFT;
nTextWidth = _rLayout.GetTextWidth( aStr, 0, aStr.Len() );
}
}
else
{
if ( nTextHeight <= nHeight )
nStyle &= ~TEXT_DRAW_CLIP;
}
// horizontal text alignment
if ( nStyle & TEXT_DRAW_RIGHT )
aPos.X() += nWidth-nTextWidth;
else if ( nStyle & TEXT_DRAW_CENTER )
aPos.X() += (nWidth-nTextWidth)/2;
// vertical font alignment
if ( eAlign == ALIGN_BOTTOM )
aPos.Y() += nTextHeight;
else if ( eAlign == ALIGN_BASELINE )
aPos.Y() += rTargetDevice.GetFontMetric().GetAscent();
if ( nStyle & TEXT_DRAW_BOTTOM )
aPos.Y() += nHeight-nTextHeight;
else if ( nStyle & TEXT_DRAW_VCENTER )
aPos.Y() += (nHeight-nTextHeight)/2;
long nMnemonicX = 0;
long nMnemonicY = 0;
long nMnemonicWidth = 0;
if ( nMnemonicPos != STRING_NOTFOUND )
{
sal_Int32* pCaretXArray = (sal_Int32*) alloca( 2 * sizeof(sal_Int32) * aStr.Len() );
/*sal_Bool bRet =*/ _rLayout.GetCaretPositions( aStr, pCaretXArray, 0, aStr.Len() );
long lc_x1 = pCaretXArray[2*(nMnemonicPos)];
long lc_x2 = pCaretXArray[2*(nMnemonicPos)+1];
nMnemonicWidth = rTargetDevice.ImplLogicWidthToDevicePixel( ::abs((int)(lc_x1 - lc_x2)) );
Point aTempPos = rTargetDevice.LogicToPixel( aPos );
nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( Min(lc_x1, lc_x2) );
nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
}
if ( nStyle & TEXT_DRAW_CLIP )
{
rTargetDevice.Push( PUSH_CLIPREGION );
rTargetDevice.IntersectClipRegion( rRect );
_rLayout.DrawText( aPos, aStr, 0, STRING_LEN, pVector, pDisplayText );
if ( bDrawMnemonics )
{
if ( nMnemonicPos != STRING_NOTFOUND )
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
rTargetDevice.Pop();
}
else
{
_rLayout.DrawText( aPos, aStr, 0, STRING_LEN, pVector, pDisplayText );
if ( bDrawMnemonics )
{
if ( nMnemonicPos != STRING_NOTFOUND )
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
}
}
if ( nStyle & TEXT_DRAW_DISABLE && !pVector )
{
rTargetDevice.SetTextColor( aOldTextColor );
if ( bRestoreFillColor )
rTargetDevice.SetTextFillColor( aOldTextFillColor );
}
}
// -----------------------------------------------------------------------
void OutputDevice::AddTextRectActions( const Rectangle& rRect,
const String& rOrigStr,
sal_uInt16 nStyle,
GDIMetaFile& rMtf )
{
DBG_TRACE( "OutputDevice::AddTextRectActions( const Rectangle& )" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( !rOrigStr.Len() || rRect.IsEmpty() )
return;
// we need a graphics
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
// temporarily swap in passed mtf for action generation, and
// disable output generation.
const sal_Bool bOutputEnabled( IsOutputEnabled() );
GDIMetaFile* pMtf = mpMetaFile;
mpMetaFile = &rMtf;
EnableOutput( sal_False );
// #i47157# Factored out to ImplDrawTextRect(), to be shared
// between us and DrawText()
DefaultTextLayout aLayout( *this );
ImplDrawText( *this, rRect, rOrigStr, nStyle, NULL, NULL, aLayout );
// and restore again
EnableOutput( bOutputEnabled );
mpMetaFile = pMtf;
}
// -----------------------------------------------------------------------
void OutputDevice::DrawText( const Rectangle& rRect, const String& rOrigStr, sal_uInt16 nStyle,
MetricVector* pVector, String* pDisplayText,
::vcl::ITextLayout* _pTextLayout )
{
if( mpOutDevData && mpOutDevData->mpRecordLayout )
{
pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
}
DBG_TRACE( "OutputDevice::DrawText( const Rectangle& )" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
bool bDecomposeTextRectAction = ( _pTextLayout != NULL ) && _pTextLayout->DecomposeTextRectAction();
if ( mpMetaFile && !bDecomposeTextRectAction )
mpMetaFile->AddAction( new MetaTextRectAction( rRect, rOrigStr, nStyle ) );
if ( ( !IsDeviceOutputNecessary() && !pVector && !bDecomposeTextRectAction ) || !rOrigStr.Len() || rRect.IsEmpty() )
return;
// we need a graphics
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped && !bDecomposeTextRectAction )
return;
// temporarily disable mtf action generation (ImplDrawText _does_
// create META_TEXT_ACTIONs otherwise)
GDIMetaFile* pMtf = mpMetaFile;
if ( !bDecomposeTextRectAction )
mpMetaFile = NULL;
// #i47157# Factored out to ImplDrawText(), to be used also
// from AddTextRectActions()
DefaultTextLayout aDefaultLayout( *this );
ImplDrawText( *this, rRect, rOrigStr, nStyle, pVector, pDisplayText, _pTextLayout ? *_pTextLayout : aDefaultLayout );
// and enable again
mpMetaFile = pMtf;
if( mpAlphaVDev )
mpAlphaVDev->DrawText( rRect, rOrigStr, nStyle, pVector, pDisplayText );
}
// -----------------------------------------------------------------------
Rectangle OutputDevice::GetTextRect( const Rectangle& rRect,
const XubString& rStr, sal_uInt16 nStyle,
TextRectInfo* pInfo,
const ::vcl::ITextLayout* _pTextLayout ) const
{
DBG_TRACE( "OutputDevice::GetTextRect()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Rectangle aRect = rRect;
xub_StrLen nLines;
long nWidth = rRect.GetWidth();
long nMaxWidth;
long nTextHeight = GetTextHeight();
String aStr = rStr;
if ( nStyle & TEXT_DRAW_MNEMONIC )
aStr = GetNonMnemonicString( aStr );
if ( nStyle & TEXT_DRAW_MULTILINE )
{
ImplMultiTextLineInfo aMultiLineInfo;
ImplTextLineInfo* pLineInfo;
xub_StrLen nFormatLines;
xub_StrLen i;
nMaxWidth = 0;
DefaultTextLayout aDefaultLayout( *const_cast< OutputDevice* >( this ) );
ImplGetTextLines( aMultiLineInfo, nWidth, aStr, nStyle, _pTextLayout ? *_pTextLayout : aDefaultLayout );
nFormatLines = aMultiLineInfo.Count();
if ( !nTextHeight )
nTextHeight = 1;
nLines = (sal_uInt16)(aRect.GetHeight()/nTextHeight);
if ( pInfo )
pInfo->mnLineCount = nFormatLines;
if ( !nLines )
nLines = 1;
if ( nFormatLines <= nLines )
nLines = nFormatLines;
else
{
if ( !(nStyle & TEXT_DRAW_ENDELLIPSIS) )
nLines = nFormatLines;
else
{
if ( pInfo )
pInfo->mbEllipsis = sal_True;
nMaxWidth = nWidth;
}
}
if ( pInfo )
{
sal_Bool bMaxWidth = nMaxWidth == 0;
pInfo->mnMaxWidth = 0;
for ( i = 0; i < nLines; i++ )
{
pLineInfo = aMultiLineInfo.GetLine( i );
if ( bMaxWidth && (pLineInfo->GetWidth() > nMaxWidth) )
nMaxWidth = pLineInfo->GetWidth();
if ( pLineInfo->GetWidth() > pInfo->mnMaxWidth )
pInfo->mnMaxWidth = pLineInfo->GetWidth();
}
}
else if ( !nMaxWidth )
{
for ( i = 0; i < nLines; i++ )
{
pLineInfo = aMultiLineInfo.GetLine( i );
if ( pLineInfo->GetWidth() > nMaxWidth )
nMaxWidth = pLineInfo->GetWidth();
}
}
}
else
{
nLines = 1;
nMaxWidth = _pTextLayout ? _pTextLayout->GetTextWidth( aStr, 0, aStr.Len() ) : GetTextWidth( aStr );
if ( pInfo )
{
pInfo->mnLineCount = 1;
pInfo->mnMaxWidth = nMaxWidth;
}
if ( (nMaxWidth > nWidth) && (nStyle & TEXT_DRAW_ELLIPSIS) )
{
if ( pInfo )
pInfo->mbEllipsis = sal_True;
nMaxWidth = nWidth;
}
}
if ( nStyle & TEXT_DRAW_RIGHT )
aRect.Left() = aRect.Right()-nMaxWidth+1;
else if ( nStyle & TEXT_DRAW_CENTER )
{
aRect.Left() += (nWidth-nMaxWidth)/2;
aRect.Right() = aRect.Left()+nMaxWidth-1;
}
else
aRect.Right() = aRect.Left()+nMaxWidth-1;
if ( nStyle & TEXT_DRAW_BOTTOM )
aRect.Top() = aRect.Bottom()-(nTextHeight*nLines)+1;
else if ( nStyle & TEXT_DRAW_VCENTER )
{
aRect.Top() += (aRect.GetHeight()-(nTextHeight*nLines))/2;
aRect.Bottom() = aRect.Top()+(nTextHeight*nLines)-1;
}
else
aRect.Bottom() = aRect.Top()+(nTextHeight*nLines)-1;
aRect.Right()++; // #99188# get rid of rounding problems when using this rect later
return aRect;
}
// -----------------------------------------------------------------------
static sal_Bool ImplIsCharIn( xub_Unicode c, const sal_Char* pStr )
{
while ( *pStr )
{
if ( *pStr == c )
return sal_True;
pStr++;
}
return sal_False;
}
// -----------------------------------------------------------------------
String OutputDevice::GetEllipsisString( const String& rOrigStr, long nMaxWidth,
sal_uInt16 nStyle ) const
{
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DefaultTextLayout aTextLayout( *const_cast< OutputDevice* >( this ) );
return ImplGetEllipsisString( *this, rOrigStr, nMaxWidth, nStyle, aTextLayout );
}
// -----------------------------------------------------------------------
String OutputDevice::ImplGetEllipsisString( const OutputDevice& rTargetDevice, const XubString& rOrigStr, long nMaxWidth,
sal_uInt16 nStyle, const ::vcl::ITextLayout& _rLayout )
{
DBG_TRACE( "OutputDevice::ImplGetEllipsisString()" );
String aStr = rOrigStr;
xub_StrLen nIndex = _rLayout.GetTextBreak( aStr, nMaxWidth, 0, aStr.Len() );
if ( nIndex != STRING_LEN )
{
if( (nStyle & TEXT_DRAW_CENTERELLIPSIS) == TEXT_DRAW_CENTERELLIPSIS )
{
String aTmpStr( aStr );
xub_StrLen nEraseChars = 4;
while( nEraseChars < aStr.Len() && _rLayout.GetTextWidth( aTmpStr, 0, aTmpStr.Len() ) > nMaxWidth )
{
aTmpStr = aStr;
xub_StrLen i = (aTmpStr.Len() - nEraseChars)/2;
aTmpStr.Erase( i, nEraseChars++ );
aTmpStr.InsertAscii( "...", i );
}
aStr = aTmpStr;
}
else if ( nStyle & TEXT_DRAW_ENDELLIPSIS )
{
aStr.Erase( nIndex );
if ( nIndex > 1 )
{
aStr.AppendAscii( "..." );
while ( aStr.Len() && (_rLayout.GetTextWidth( aStr, 0, aStr.Len() ) > nMaxWidth) )
{
if ( (nIndex > 1) || (nIndex == aStr.Len()) )
nIndex--;
aStr.Erase( nIndex, 1 );
}
}
if ( !aStr.Len() && (nStyle & TEXT_DRAW_CLIP) )
aStr += rOrigStr.GetChar( 0 );
}
else if ( nStyle & TEXT_DRAW_PATHELLIPSIS )
{
rtl::OUString aPath( rOrigStr );
rtl::OUString aAbbreviatedPath;
osl_abbreviateSystemPath( aPath.pData, &aAbbreviatedPath.pData, nIndex, NULL );
aStr = aAbbreviatedPath;
}
else if ( nStyle & TEXT_DRAW_NEWSELLIPSIS )
{
static sal_Char const pSepChars[] = ".";
// Letztes Teilstueck ermitteln
xub_StrLen nLastContent = aStr.Len();
while ( nLastContent )
{
nLastContent--;
if ( ImplIsCharIn( aStr.GetChar( nLastContent ), pSepChars ) )
break;
}
while ( nLastContent &&
ImplIsCharIn( aStr.GetChar( nLastContent-1 ), pSepChars ) )
nLastContent--;
XubString aLastStr( aStr, nLastContent, aStr.Len() );
XubString aTempLastStr1( RTL_CONSTASCII_USTRINGPARAM( "..." ) );
aTempLastStr1 += aLastStr;
if ( _rLayout.GetTextWidth( aTempLastStr1, 0, aTempLastStr1.Len() ) > nMaxWidth )
aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | TEXT_DRAW_ENDELLIPSIS, _rLayout );
else
{
sal_uInt16 nFirstContent = 0;
while ( nFirstContent < nLastContent )
{
nFirstContent++;
if ( ImplIsCharIn( aStr.GetChar( nFirstContent ), pSepChars ) )
break;
}
while ( (nFirstContent < nLastContent) &&
ImplIsCharIn( aStr.GetChar( nFirstContent ), pSepChars ) )
nFirstContent++;
if ( nFirstContent >= nLastContent )
aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | TEXT_DRAW_ENDELLIPSIS, _rLayout );
else
{
if ( nFirstContent > 4 )
nFirstContent = 4;
XubString aFirstStr( aStr, 0, nFirstContent );
aFirstStr.AppendAscii( "..." );
XubString aTempStr = aFirstStr;
aTempStr += aLastStr;
if ( _rLayout.GetTextWidth( aTempStr, 0, aTempStr.Len() ) > nMaxWidth )
aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | TEXT_DRAW_ENDELLIPSIS, _rLayout );
else
{
do
{
aStr = aTempStr;
if( nLastContent > aStr.Len() )
nLastContent = aStr.Len();
while ( nFirstContent < nLastContent )
{
nLastContent--;
if ( ImplIsCharIn( aStr.GetChar( nLastContent ), pSepChars ) )
break;
}
while ( (nFirstContent < nLastContent) &&
ImplIsCharIn( aStr.GetChar( nLastContent-1 ), pSepChars ) )
nLastContent--;
if ( nFirstContent < nLastContent )
{
XubString aTempLastStr( aStr, nLastContent, aStr.Len() );
aTempStr = aFirstStr;
aTempStr += aTempLastStr;
if ( _rLayout.GetTextWidth( aTempStr, 0, aTempStr.Len() ) > nMaxWidth )
break;
}
}
while ( nFirstContent < nLastContent );
}
}
}
}
}
return aStr;
}
// -----------------------------------------------------------------------
void OutputDevice::DrawCtrlText( const Point& rPos, const XubString& rStr,
xub_StrLen nIndex, xub_StrLen nLen,
sal_uInt16 nStyle, MetricVector* pVector, String* pDisplayText )
{
DBG_TRACE( "OutputDevice::DrawCtrlText()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( !IsDeviceOutputNecessary() || (nIndex >= rStr.Len()) )
return;
// better get graphics here because ImplDrawMnemonicLine() will not
// we need a graphics
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if ( mbOutputClipped )
return;
if( nIndex >= rStr.Len() )
return;
if( (sal_uLong)nIndex+nLen >= rStr.Len() )
nLen = rStr.Len() - nIndex;
XubString aStr = rStr;
xub_StrLen nMnemonicPos = STRING_NOTFOUND;
long nMnemonicX = 0;
long nMnemonicY = 0;
long nMnemonicWidth = 0;
if ( (nStyle & TEXT_DRAW_MNEMONIC) && nLen > 1 )
{
aStr = GetNonMnemonicString( aStr, nMnemonicPos );
if ( nMnemonicPos != STRING_NOTFOUND )
{
if( nMnemonicPos < nIndex )
--nIndex;
else if( nLen < STRING_LEN )
{
if( nMnemonicPos < (nIndex+nLen) )
--nLen;
DBG_ASSERT( nMnemonicPos < (nIndex+nLen), "Mnemonic underline marker after last character" );
}
sal_Bool bInvalidPos = sal_False;
if( nMnemonicPos >= nLen )
{
// #106952#
// may occur in BiDi-Strings: the '~' is sometimes found behind the last char
// due to some strange BiDi text editors
// ->place the underline behind the string to indicate a failure
bInvalidPos = sal_True;
nMnemonicPos = nLen-1;
}
sal_Int32* pCaretXArray = (sal_Int32*)alloca( 2 * sizeof(sal_Int32) * nLen );
/*sal_Bool bRet =*/ GetCaretPositions( aStr, pCaretXArray, nIndex, nLen );
long lc_x1 = pCaretXArray[ 2*(nMnemonicPos - nIndex) ];
long lc_x2 = pCaretXArray[ 2*(nMnemonicPos - nIndex)+1 ];
nMnemonicWidth = ::abs((int)(lc_x1 - lc_x2));
Point aTempPos( Min(lc_x1,lc_x2), GetFontMetric().GetAscent() );
if( bInvalidPos ) // #106952#, place behind the (last) character
aTempPos = Point( Max(lc_x1,lc_x2), GetFontMetric().GetAscent() );
aTempPos += rPos;
aTempPos = LogicToPixel( aTempPos );
nMnemonicX = mnOutOffX + aTempPos.X();
nMnemonicY = mnOutOffY + aTempPos.Y();
}
}
if ( nStyle & TEXT_DRAW_DISABLE && ! pVector )
{
Color aOldTextColor;
Color aOldTextFillColor;
sal_Bool bRestoreFillColor;
sal_Bool bHighContrastBlack = sal_False;
sal_Bool bHighContrastWhite = sal_False;
const StyleSettings& rStyleSettings( GetSettings().GetStyleSettings() );
if( rStyleSettings.GetHighContrastMode() )
{
if( IsBackground() )
{
Wallpaper aWall = GetBackground();
Color aCol = aWall.GetColor();
bHighContrastBlack = aCol.IsDark();
bHighContrastWhite = aCol.IsBright();
}
}
aOldTextColor = GetTextColor();
if ( IsTextFillColor() )
{
bRestoreFillColor = sal_True;
aOldTextFillColor = GetTextFillColor();
}
else
bRestoreFillColor = sal_False;
if( bHighContrastBlack )
SetTextColor( COL_GREEN );
else if( bHighContrastWhite )
SetTextColor( COL_LIGHTGREEN );
else
SetTextColor( GetSettings().GetStyleSettings().GetDisableColor() );
DrawText( rPos, aStr, nIndex, nLen, pVector, pDisplayText );
if ( !(GetSettings().GetStyleSettings().GetOptions() & STYLE_OPTION_NOMNEMONICS) && !pVector )
{
if ( nMnemonicPos != STRING_NOTFOUND )
ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
SetTextColor( aOldTextColor );
if ( bRestoreFillColor )
SetTextFillColor( aOldTextFillColor );
}
else
{
DrawText( rPos, aStr, nIndex, nLen, pVector, pDisplayText );
if ( !(GetSettings().GetStyleSettings().GetOptions() & STYLE_OPTION_NOMNEMONICS) && !pVector )
{
if ( nMnemonicPos != STRING_NOTFOUND )
ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
}
if( mpAlphaVDev )
mpAlphaVDev->DrawCtrlText( rPos, rStr, nIndex, nLen, nStyle, pVector, pDisplayText );
}
// -----------------------------------------------------------------------
long OutputDevice::GetCtrlTextWidth( const String& rStr,
xub_StrLen nIndex, xub_StrLen nLen,
sal_uInt16 nStyle ) const
{
DBG_TRACE( "OutputDevice::GetCtrlTextSize()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if ( nStyle & TEXT_DRAW_MNEMONIC )
{
xub_StrLen nMnemonicPos;
XubString aStr = GetNonMnemonicString( rStr, nMnemonicPos );
if ( nMnemonicPos != STRING_NOTFOUND )
{
if ( nMnemonicPos < nIndex )
nIndex--;
else if ( (nLen < STRING_LEN) &&
(nMnemonicPos >= nIndex) && (nMnemonicPos < (sal_uLong)(nIndex+nLen)) )
nLen--;
}
return GetTextWidth( aStr, nIndex, nLen );
}
else
return GetTextWidth( rStr, nIndex, nLen );
}
// -----------------------------------------------------------------------
String OutputDevice::GetNonMnemonicString( const String& rStr, xub_StrLen& rMnemonicPos )
{
String aStr = rStr;
xub_StrLen nLen = aStr.Len();
xub_StrLen i = 0;
rMnemonicPos = STRING_NOTFOUND;
while ( i < nLen )
{
if ( aStr.GetChar( i ) == '~' )
{
if ( aStr.GetChar( i+1 ) != '~' )
{
if ( rMnemonicPos == STRING_NOTFOUND )
rMnemonicPos = i;
aStr.Erase( i, 1 );
nLen--;
}
else
{
aStr.Erase( i, 1 );
nLen--;
i++;
}
}
else
i++;
}
return aStr;
}
// -----------------------------------------------------------------------
int OutputDevice::GetDevFontCount() const
{
DBG_TRACE( "OutputDevice::GetDevFontCount()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if( !mpGetDevFontList )
mpGetDevFontList = mpFontList->GetDevFontList();
return mpGetDevFontList->Count();
}
// -----------------------------------------------------------------------
FontInfo OutputDevice::GetDevFont( int nDevFontIndex ) const
{
DBG_TRACE( "OutputDevice::GetDevFont()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
FontInfo aFontInfo;
ImplInitFontList();
int nCount = GetDevFontCount();
if( nDevFontIndex < nCount )
{
const ImplFontData& rData = *mpGetDevFontList->Get( nDevFontIndex );
aFontInfo.SetName( rData.maName );
aFontInfo.SetStyleName( rData.maStyleName );
aFontInfo.SetCharSet( rData.mbSymbolFlag ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
aFontInfo.SetFamily( rData.meFamily );
aFontInfo.SetPitch( rData.mePitch );
aFontInfo.SetWeight( rData.meWeight );
aFontInfo.SetItalic( rData.meItalic );
aFontInfo.SetWidthType( rData.meWidthType );
if( rData.IsScalable() )
aFontInfo.mpImplMetric->mnMiscFlags |= ImplFontMetric::SCALABLE_FLAG;
if( rData.mbDevice )
aFontInfo.mpImplMetric->mnMiscFlags |= ImplFontMetric::DEVICE_FLAG;
}
return aFontInfo;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::AddTempDevFont( const String& rFileURL, const String& rFontName )
{
DBG_TRACE( "OutputDevice::AddTempDevFont()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
ImplInitFontList();
if( !mpGraphics && !ImplGetGraphics() )
return sal_False;
bool bRC = mpGraphics->AddTempDevFont( mpFontList, rFileURL, rFontName );
if( !bRC )
return sal_False;
if( mpAlphaVDev )
mpAlphaVDev->AddTempDevFont( rFileURL, rFontName );
mpFontCache->Invalidate();
return sal_True;
}
// -----------------------------------------------------------------------
int OutputDevice::GetDevFontSizeCount( const Font& rFont ) const
{
DBG_TRACE( "OutputDevice::GetDevFontSizeCount()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
delete mpGetDevSizeList;
ImplInitFontList();
mpGetDevSizeList = mpFontList->GetDevSizeList( rFont.GetName() );
return mpGetDevSizeList->Count();
}
// -----------------------------------------------------------------------
Size OutputDevice::GetDevFontSize( const Font& rFont, int nSizeIndex ) const
{
DBG_TRACE( "OutputDevice::GetDevFontSize()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
// check range
int nCount = GetDevFontSizeCount( rFont );
if ( nSizeIndex >= nCount )
return Size();
// when mapping is enabled round to .5 points
Size aSize( 0, mpGetDevSizeList->Get( nSizeIndex ) );
if ( mbMap )
{
aSize.Height() *= 10;
MapMode aMap( MAP_10TH_INCH, Point(), Fraction( 1, 72 ), Fraction( 1, 72 ) );
aSize = PixelToLogic( aSize, aMap );
aSize.Height() += 5;
aSize.Height() /= 10;
long nRound = aSize.Height() % 5;
if ( nRound >= 3 )
aSize.Height() += (5-nRound);
else
aSize.Height() -= nRound;
aSize.Height() *= 10;
aSize = LogicToPixel( aSize, aMap );
aSize = PixelToLogic( aSize );
aSize.Height() += 5;
aSize.Height() /= 10;
}
return aSize;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::IsFontAvailable( const String& rFontName ) const
{
DBG_TRACE( "OutputDevice::IsFontAvailable()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
ImplDevFontListData* pFound = mpFontList->FindFontFamily( rFontName );
return (pFound != NULL);
}
// -----------------------------------------------------------------------
FontMetric OutputDevice::GetFontMetric() const
{
DBG_TRACE( "OutputDevice::GetFontMetric()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
FontMetric aMetric;
if( mbNewFont && !ImplNewFont() )
return aMetric;
ImplFontEntry* pEntry = mpFontEntry;
ImplFontMetricData* pMetric = &(pEntry->maMetric);
// prepare metric
aMetric.Font::operator=( maFont );
// set aMetric with info from font
aMetric.SetName( maFont.GetName() );
aMetric.SetStyleName( pMetric->maStyleName );
aMetric.SetSize( PixelToLogic( Size( pMetric->mnWidth, pMetric->mnAscent+pMetric->mnDescent-pMetric->mnIntLeading ) ) );
aMetric.SetCharSet( pMetric->mbSymbolFlag ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE );
aMetric.SetFamily( pMetric->meFamily );
aMetric.SetPitch( pMetric->mePitch );
aMetric.SetWeight( pMetric->meWeight );
aMetric.SetItalic( pMetric->meItalic );
aMetric.SetWidthType( pMetric->meWidthType );
if ( pEntry->mnOwnOrientation )
aMetric.SetOrientation( pEntry->mnOwnOrientation );
else
aMetric.SetOrientation( pMetric->mnOrientation );
if( !pEntry->maMetric.mbKernableFont )
aMetric.SetKerning( maFont.GetKerning() & ~KERNING_FONTSPECIFIC );
// set remaining metric fields
aMetric.mpImplMetric->mnMiscFlags = 0;
if( pMetric->mbDevice )
aMetric.mpImplMetric->mnMiscFlags |= ImplFontMetric::DEVICE_FLAG;
if( pMetric->mbScalableFont )
aMetric.mpImplMetric->mnMiscFlags |= ImplFontMetric::SCALABLE_FLAG;
aMetric.mpImplMetric->mnAscent = ImplDevicePixelToLogicHeight( pMetric->mnAscent+mnEmphasisAscent );
aMetric.mpImplMetric->mnDescent = ImplDevicePixelToLogicHeight( pMetric->mnDescent+mnEmphasisDescent );
aMetric.mpImplMetric->mnIntLeading = ImplDevicePixelToLogicHeight( pMetric->mnIntLeading+mnEmphasisAscent );
aMetric.mpImplMetric->mnExtLeading = ImplDevicePixelToLogicHeight( pMetric->mnExtLeading );
aMetric.mpImplMetric->mnLineHeight = ImplDevicePixelToLogicHeight( pMetric->mnAscent+pMetric->mnDescent+mnEmphasisAscent+mnEmphasisDescent );
aMetric.mpImplMetric->mnSlant = ImplDevicePixelToLogicHeight( pMetric->mnSlant );
#ifdef UNX
// backwards compatible line metrics after fixing #i60945#
if( (meOutDevType == OUTDEV_VIRDEV)
&& static_cast<const VirtualDevice*>(this)->ForceZeroExtleadBug() )
aMetric.mpImplMetric->mnExtLeading = 0;
#endif
return aMetric;
}
// -----------------------------------------------------------------------
FontMetric OutputDevice::GetFontMetric( const Font& rFont ) const
{
// select font, query metrics, select original font again
Font aOldFont = GetFont();
const_cast<OutputDevice*>(this)->SetFont( rFont );
FontMetric aMetric( GetFontMetric() );
const_cast<OutputDevice*>(this)->SetFont( aOldFont );
return aMetric;
}
// -----------------------------------------------------------------------
/** OutputDevice::GetSysFontData
*
* @param nFallbacklevel Fallback font level (0 = best matching font)
*
* Retrieve detailed font information in platform independent structure
*
* @return SystemFontData
**/
SystemFontData OutputDevice::GetSysFontData(int nFallbacklevel) const
{
SystemFontData aSysFontData;
aSysFontData.nSize = sizeof(aSysFontData);
if (!mpGraphics) ImplGetGraphics();
if (mpGraphics) aSysFontData = mpGraphics->GetSysFontData(nFallbacklevel);
return aSysFontData;
}
// -----------------------------------------------------------------------
/** OutputDevice::GetSysTextLayoutData
*
* @param rStartPt Start point of the text
* @param rStr Text string that will be transformed into layout of glyphs
* @param nIndex Position in the string from where layout will be done
* @param nLen Length of the string
* @param pDXAry Custom layout adjustment data
*
* Export finalized glyph layout data as platform independent SystemTextLayoutData
* (see vcl/inc/vcl/sysdata.hxx)
*
* Only parameters rStartPt and rStr are mandatory, the rest is optional
* (default values will be used)
*
* @return SystemTextLayoutData
**/
SystemTextLayoutData OutputDevice::GetSysTextLayoutData(const Point& rStartPt, const XubString& rStr, xub_StrLen nIndex, xub_StrLen nLen,
const sal_Int32* pDXAry) const
{
DBG_TRACE( "OutputDevice::GetSysTextLayoutData()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
SystemTextLayoutData aSysLayoutData;
aSysLayoutData.nSize = sizeof(aSysLayoutData);
aSysLayoutData.rGlyphData.reserve( 256 );
if ( mpMetaFile ) {
if (pDXAry)
mpMetaFile->AddAction( new MetaTextArrayAction( rStartPt, rStr, pDXAry, nIndex, nLen ) );
else
mpMetaFile->AddAction( new MetaTextAction( rStartPt, rStr, nIndex, nLen ) );
}
if ( !IsDeviceOutputNecessary() ) return aSysLayoutData;
SalLayout* rLayout = ImplLayout( rStr, nIndex, nLen, rStartPt, 0, pDXAry, true );
// setup glyphs
Point aPos;
sal_GlyphId aGlyphId;
for( int nStart = 0; rLayout->GetNextGlyphs( 1, &aGlyphId, aPos, nStart ); )
{
// NOTE: Windows backend is producing unicode chars (ucs4), so on windows,
// ETO_GLYPH_INDEX is unusable, unless extra glyph conversion is made.
SystemGlyphData aGlyph;
aGlyph.index = static_cast<unsigned long> (aGlyphId & GF_IDXMASK);
aGlyph.x = aPos.X();
aGlyph.y = aPos.Y();
int nLevel = (aGlyphId & GF_FONTMASK) >> GF_FONTSHIFT;
aGlyph.fallbacklevel = nLevel < MAX_FALLBACK ? nLevel : 0;
aSysLayoutData.rGlyphData.push_back(aGlyph);
}
// Get font data
aSysLayoutData.orientation = rLayout->GetOrientation();
rLayout->Release();
return aSysLayoutData;
}
// -----------------------------------------------------------------------
long OutputDevice::GetMinKashida() const
{
DBG_TRACE( "OutputDevice::GetMinKashida()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
if( mbNewFont && !ImplNewFont() )
return 0;
ImplFontEntry* pEntry = mpFontEntry;
ImplFontMetricData* pMetric = &(pEntry->maMetric);
return ImplDevicePixelToLogicWidth( pMetric->mnMinKashida );
}
// -----------------------------------------------------------------------
long OutputDevice::GetMinKashida( const Font& rFont ) const
{
// select font, query Kashida, select original font again
Font aOldFont = GetFont();
const_cast<OutputDevice*>(this)->SetFont( rFont );
long aKashida = GetMinKashida();
const_cast<OutputDevice*>(this)->SetFont( aOldFont );
return aKashida;
}
// -----------------------------------------------------------------------
xub_StrLen OutputDevice::ValidateKashidas ( const String& rTxt,
xub_StrLen nIdx, xub_StrLen nLen,
xub_StrLen nKashCount,
const xub_StrLen* pKashidaPos,
xub_StrLen* pKashidaPosDropped ) const
{
// do layout
SalLayout* pSalLayout = ImplLayout( rTxt, nIdx, nLen );
if( !pSalLayout )
return 0;
xub_StrLen nDropped = 0;
for( int i = 0; i < nKashCount; ++i )
{
if( !pSalLayout->IsKashidaPosValid( pKashidaPos[ i ] ))
{
pKashidaPosDropped[ nDropped ] = pKashidaPos [ i ];
++nDropped;
}
}
pSalLayout->Release();
return nDropped;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetGlyphBoundRects( const Point& rOrigin, const String& rStr,
int nIndex, int nLen, int nBase, MetricVector& rVector )
{
DBG_TRACE( "OutputDevice::GetGlyphBoundRect_CTL()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
rVector.clear();
if( nLen == STRING_LEN )
nLen = rStr.Len() - nIndex;
Rectangle aRect;
for( int i = 0; i < nLen; i++ )
{
if( !GetTextBoundRect( aRect, rStr, sal::static_int_cast<xub_StrLen>(nBase), sal::static_int_cast<xub_StrLen>(nIndex+i), 1 ) )
break;
aRect.Move( rOrigin.X(), rOrigin.Y() );
rVector.push_back( aRect );
}
return (nLen == (int)rVector.size());
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetTextBoundRect( Rectangle& rRect,
const String& rStr, xub_StrLen nBase, xub_StrLen nIndex, xub_StrLen nLen,
sal_uLong nLayoutWidth, const sal_Int32* pDXAry ) const
{
DBG_TRACE( "OutputDevice::GetTextBoundRect()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
sal_Bool bRet = sal_False;
rRect.SetEmpty();
SalLayout* pSalLayout = NULL;
const Point aPoint;
// calculate offset when nBase!=nIndex
long nXOffset = 0;
if( nBase != nIndex )
{
xub_StrLen nStart = Min( nBase, nIndex );
xub_StrLen nOfsLen = Max( nBase, nIndex ) - nStart;
pSalLayout = ImplLayout( rStr, nStart, nOfsLen, aPoint, nLayoutWidth, pDXAry );
if( pSalLayout )
{
nXOffset = pSalLayout->GetTextWidth();
nXOffset /= pSalLayout->GetUnitsPerPixel();
pSalLayout->Release();
// TODO: fix offset calculation for Bidi case
if( nBase < nIndex)
nXOffset = -nXOffset;
}
}
pSalLayout = ImplLayout( rStr, nIndex, nLen, aPoint, nLayoutWidth, pDXAry );
Rectangle aPixelRect;
if( pSalLayout )
{
bRet = pSalLayout->GetBoundRect( *mpGraphics, aPixelRect );
if( bRet )
{
int nWidthFactor = pSalLayout->GetUnitsPerPixel();
if( nWidthFactor > 1 )
{
double fFactor = 1.0 / nWidthFactor;
aPixelRect.Left()
= static_cast< long >(aPixelRect.Left() * fFactor);
aPixelRect.Right()
= static_cast< long >(aPixelRect.Right() * fFactor);
aPixelRect.Top()
= static_cast< long >(aPixelRect.Top() * fFactor);
aPixelRect.Bottom()
= static_cast< long >(aPixelRect.Bottom() * fFactor);
}
Point aRotatedOfs( mnTextOffX, mnTextOffY );
aRotatedOfs -= pSalLayout->GetDrawPosition( Point( nXOffset, 0 ) );
aPixelRect += aRotatedOfs;
rRect = PixelToLogic( aPixelRect );
if( mbMap )
rRect += Point( maMapRes.mnMapOfsX, maMapRes.mnMapOfsY );
}
pSalLayout->Release();
}
if( bRet || (OUTDEV_PRINTER == meOutDevType) || !mpFontEntry )
return bRet;
// fall back to bitmap method to get the bounding rectangle,
// so we need a monochrome virtual device with matching font
VirtualDevice aVDev( 1 );
Font aFont( GetFont() );
aFont.SetShadow( sal_False );
aFont.SetOutline( sal_False );
aFont.SetRelief( RELIEF_NONE );
aFont.SetOrientation( 0 );
aFont.SetSize( Size( mpFontEntry->maFontSelData.mnWidth, mpFontEntry->maFontSelData.mnHeight ) );
aVDev.SetFont( aFont );
aVDev.SetTextAlign( ALIGN_TOP );
// layout the text on the virtual device
pSalLayout = aVDev.ImplLayout( rStr, nIndex, nLen, aPoint, nLayoutWidth, pDXAry );
if( !pSalLayout )
return false;
// make the bitmap big enough
// TODO: use factors when it would get too big
long nWidth = pSalLayout->GetTextWidth();
long nHeight = mpFontEntry->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
Point aOffset( nWidth/2, 8 );
Size aOutSize( nWidth + 2*aOffset.X(), nHeight + 2*aOffset.Y() );
if( !nWidth || !aVDev.SetOutputSizePixel( aOutSize ) )
return false;
// draw text in black
pSalLayout->DrawBase() = aOffset;
aVDev.SetTextColor( Color( COL_BLACK ) );
aVDev.SetTextFillColor();
aVDev.ImplInitTextColor();
aVDev.ImplDrawText( *pSalLayout );
pSalLayout->Release();
// find extents using the bitmap
Bitmap aBmp = aVDev.GetBitmap( Point(), aOutSize );
BitmapReadAccess* pAcc = aBmp.AcquireReadAccess();
if( !pAcc )
return sal_False;
const BitmapColor aBlack( pAcc->GetBestMatchingColor( Color( COL_BLACK ) ) );
const long nW = pAcc->Width();
const long nH = pAcc->Height();
long nLeft = 0;
long nRight = 0;
// find top left point
long nTop = 0;
for(; nTop < nH; ++nTop )
{
for( nLeft = 0; nLeft < nW; ++nLeft )
if( pAcc->GetPixel( nTop, nLeft ) == aBlack )
break;
if( nLeft < nW )
break;
}
// find bottom right point
long nBottom = nH;
while( --nBottom >= nTop )
{
for( nRight = nW; --nRight >= 0; )
if( pAcc->GetPixel( nBottom, nRight ) == aBlack )
break;
if( nRight >= 0 )
break;
}
if( nRight < nLeft )
{
long nX = nRight;
nRight = nLeft;
nLeft = nX;
}
for( long nY = nTop; nY <= nBottom; ++nY )
{
// find leftmost point
long nX;
for( nX = 0; nX < nLeft; ++nX )
if( pAcc->GetPixel( nY, nX ) == aBlack )
break;
nLeft = nX;
// find rightmost point
for( nX = nW; --nX > nRight; )
if( pAcc->GetPixel( nY, nX ) == aBlack )
break;
nRight = nX;
}
aBmp.ReleaseAccess( pAcc );
if( nTop <= nBottom )
{
Size aSize( nRight - nLeft + 1, nBottom - nTop + 1 );
Point aTopLeft( nLeft, nTop );
aTopLeft -= aOffset;
// adjust to text alignment
aTopLeft.Y()+= mnTextOffY - (mpFontEntry->maMetric.mnAscent + mnEmphasisAscent);
// convert to logical coordinates
aSize = PixelToLogic( aSize );
aTopLeft.X() = ImplDevicePixelToLogicWidth( aTopLeft.X() );
aTopLeft.Y() = ImplDevicePixelToLogicHeight( aTopLeft.Y() );
rRect = Rectangle( aTopLeft, aSize );
return sal_True;
}
return sal_False;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetTextOutlines( ::basegfx::B2DPolyPolygonVector& rVector,
const String& rStr, xub_StrLen nBase, xub_StrLen nIndex, xub_StrLen nLen,
sal_Bool bOptimize, sal_uLong nTWidth, const sal_Int32* pDXArray ) const
{
// the fonts need to be initialized
if( mbNewFont )
ImplNewFont();
if( mbInitFont )
ImplInitFont();
if( !mpFontEntry )
return sal_False;
sal_Bool bRet = sal_False;
rVector.clear();
if( nLen == STRING_LEN )
nLen = rStr.Len() - nIndex;
rVector.reserve( nLen );
// we want to get the Rectangle in logical units, so to
// avoid rounding errors we just size the font in logical units
sal_Bool bOldMap = mbMap;
if( bOldMap )
{
const_cast<OutputDevice&>(*this).mbMap = sal_False;
const_cast<OutputDevice&>(*this).mbNewFont = sal_True;
}
SalLayout* pSalLayout = NULL;
// calculate offset when nBase!=nIndex
long nXOffset = 0;
if( nBase != nIndex )
{
xub_StrLen nStart = Min( nBase, nIndex );
xub_StrLen nOfsLen = Max( nBase, nIndex ) - nStart;
pSalLayout = ImplLayout( rStr, nStart, nOfsLen, Point(0,0), nTWidth, pDXArray );
if( pSalLayout )
{
nXOffset = pSalLayout->GetTextWidth();
pSalLayout->Release();
// TODO: fix offset calculation for Bidi case
if( nBase > nIndex)
nXOffset = -nXOffset;
}
}
pSalLayout = ImplLayout( rStr, nIndex, nLen, Point(0,0), nTWidth, pDXArray );
if( pSalLayout )
{
bRet = pSalLayout->GetOutline( *mpGraphics, rVector );
if( bRet )
{
// transform polygon to pixel units
::basegfx::B2DHomMatrix aMatrix;
int nWidthFactor = pSalLayout->GetUnitsPerPixel();
if( nXOffset | mnTextOffX | mnTextOffY )
{
Point aRotatedOfs( mnTextOffX*nWidthFactor, mnTextOffY*nWidthFactor );
aRotatedOfs -= pSalLayout->GetDrawPosition( Point( nXOffset, 0 ) );
aMatrix.translate( aRotatedOfs.X(), aRotatedOfs.Y() );
}
if( nWidthFactor > 1 )
{
double fFactor = 1.0 / nWidthFactor;
aMatrix.scale( fFactor, fFactor );
}
if( !aMatrix.isIdentity() )
{
::basegfx::B2DPolyPolygonVector::iterator aIt = rVector.begin();
for(; aIt != rVector.end(); ++aIt )
(*aIt).transform( aMatrix );
}
}
pSalLayout->Release();
}
if( bOldMap )
{
// restore original font size and map mode
const_cast<OutputDevice&>(*this).mbMap = bOldMap;
const_cast<OutputDevice&>(*this).mbNewFont = sal_True;
}
if( bRet || (OUTDEV_PRINTER == meOutDevType) || !mpFontEntry )
return bRet;
// fall back to bitmap conversion ------------------------------------------
// Here, we can savely assume that the mapping between characters and glyphs
// is one-to-one. This is most probably valid for the old bitmap fonts.
// fall back to bitmap method to get the bounding rectangle,
// so we need a monochrome virtual device with matching font
pSalLayout = ImplLayout( rStr, nIndex, nLen, Point(0,0), nTWidth, pDXArray );
if (pSalLayout == 0)
return false;
long nOrgWidth = pSalLayout->GetTextWidth();
long nOrgHeight = mpFontEntry->mnLineHeight + mnEmphasisAscent
+ mnEmphasisDescent;
pSalLayout->Release();
VirtualDevice aVDev(1);
Font aFont(GetFont());
aFont.SetShadow(false);
aFont.SetOutline(false);
aFont.SetRelief(RELIEF_NONE);
aFont.SetOrientation(0);
if( bOptimize )
{
aFont.SetSize( Size( 0, GLYPH_FONT_HEIGHT ) );
aVDev.SetMapMode( MAP_PIXEL );
}
aVDev.SetFont( aFont );
aVDev.SetTextAlign( ALIGN_TOP );
aVDev.SetTextColor( Color(COL_BLACK) );
aVDev.SetTextFillColor();
pSalLayout = aVDev.ImplLayout( rStr, nIndex, nLen, Point(0,0), nTWidth, pDXArray );
if (pSalLayout == 0)
return false;
long nWidth = pSalLayout->GetTextWidth();
long nHeight = ((OutputDevice*)&aVDev)->mpFontEntry->mnLineHeight + ((OutputDevice*)&aVDev)->mnEmphasisAscent
+ ((OutputDevice*)&aVDev)->mnEmphasisDescent;
pSalLayout->Release();
if( !nWidth || !nHeight )
return sal_True;
double fScaleX = static_cast< double >(nOrgWidth) / nWidth;
double fScaleY = static_cast< double >(nOrgHeight) / nHeight;
// calculate offset when nBase!=nIndex
// TODO: fix offset calculation for Bidi case
nXOffset = 0;
if( nBase != nIndex )
{
xub_StrLen nStart = ((nBase < nIndex) ? nBase : nIndex);
xub_StrLen nLength = ((nBase > nIndex) ? nBase : nIndex) - nStart;
pSalLayout = aVDev.ImplLayout( rStr, nStart, nLength, Point(0,0), nTWidth, pDXArray );
if( pSalLayout )
{
nXOffset = pSalLayout->GetTextWidth();
pSalLayout->Release();
if( nBase > nIndex)
nXOffset = -nXOffset;
}
}
bRet = true;
bool bRTL = false;
String aStr( rStr ); // prepare for e.g. localized digits
ImplLayoutArgs aLayoutArgs = ImplPrepareLayoutArgs( aStr, nIndex, nLen, 0, NULL );
for( int nCharPos = -1; aLayoutArgs.GetNextPos( &nCharPos, &bRTL);)
{
bool bSuccess = false;
// draw character into virtual device
pSalLayout = aVDev.ImplLayout( rStr, static_cast< xub_StrLen >(nCharPos), 1, Point(0,0), nTWidth, pDXArray );
if (pSalLayout == 0)
return false;
long nCharWidth = pSalLayout->GetTextWidth();
Point aOffset(nCharWidth / 2, 8);
Size aSize(nCharWidth + 2 * aOffset.X(), nHeight + 2 * aOffset.Y());
bSuccess = (bool)aVDev.SetOutputSizePixel(aSize);
if( bSuccess )
{
// draw glyph into virtual device
aVDev.Erase();
pSalLayout->DrawBase() += aOffset;
pSalLayout->DrawBase() += Point( ((OutputDevice*)&aVDev)->mnTextOffX, ((OutputDevice*)&aVDev)->mnTextOffY );
pSalLayout->DrawText( *((OutputDevice*)&aVDev)->mpGraphics );
pSalLayout->Release();
// convert character image into outline
Bitmap aBmp( aVDev.GetBitmap(Point(0, 0), aSize));
PolyPolygon aPolyPoly;
bool bVectorized = aBmp.Vectorize(aPolyPoly, BMP_VECTORIZE_OUTER | BMP_VECTORIZE_REDUCE_EDGES);
if( !bVectorized )
bSuccess = false;
else
{
// convert units to logical width
for (sal_uInt16 j = 0; j < aPolyPoly.Count(); ++j)
{
Polygon& rPoly = aPolyPoly[j];
for (sal_uInt16 k = 0; k < rPoly.GetSize(); ++k)
{
Point& rPt = rPoly[k];
rPt -= aOffset;
int nPixelX = rPt.X() - ((OutputDevice&)aVDev).mnTextOffX + nXOffset;
int nPixelY = rPt.Y() - ((OutputDevice&)aVDev).mnTextOffY;
rPt.X() = ImplDevicePixelToLogicWidth( nPixelX );
rPt.Y() = ImplDevicePixelToLogicHeight( nPixelY );
}
}
// ignore "empty" glyphs:
if( aPolyPoly.Count() > 0 )
{
// convert to B2DPolyPolygon
// TODO: get rid of intermediate tool's PolyPolygon
::basegfx::B2DPolyPolygon aB2DPolyPoly = aPolyPoly.getB2DPolyPolygon();
::basegfx::B2DHomMatrix aMatrix;
aMatrix.scale( fScaleX, fScaleY );
int nAngle = GetFont().GetOrientation();
if( nAngle )
aMatrix.rotate( nAngle * F_PI1800 );
aB2DPolyPoly.transform( aMatrix );
rVector.push_back( aB2DPolyPoly );
}
}
}
nXOffset += nCharWidth;
bRet = bRet && bSuccess;
}
return bRet;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetTextOutlines( PolyPolyVector& rResultVector,
const String& rStr, xub_StrLen nBase, xub_StrLen nIndex,
xub_StrLen nLen, sal_Bool bOptimize, sal_uLong nTWidth, const sal_Int32* pDXArray ) const
{
rResultVector.clear();
// get the basegfx polypolygon vector
::basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
if( !GetTextOutlines( aB2DPolyPolyVector, rStr, nBase, nIndex, nLen,
bOptimize, nTWidth, pDXArray ) )
return sal_False;
// convert to a tool polypolygon vector
rResultVector.reserve( aB2DPolyPolyVector.size() );
::basegfx::B2DPolyPolygonVector::const_iterator aIt = aB2DPolyPolyVector.begin();
for(; aIt != aB2DPolyPolyVector.end(); ++aIt )
rResultVector.push_back(PolyPolygon(*aIt)); // #i76339#
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetTextOutline( PolyPolygon& rPolyPoly,
const String& rStr, xub_StrLen nBase, xub_StrLen nIndex, xub_StrLen nLen,
sal_Bool bOptimize, sal_uLong nTWidth, const sal_Int32* pDXArray ) const
{
rPolyPoly.Clear();
// get the basegfx polypolygon vector
::basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
if( !GetTextOutlines( aB2DPolyPolyVector, rStr, nBase, nIndex, nLen,
bOptimize, nTWidth, pDXArray ) )
return sal_False;
// convert and merge into a tool polypolygon
::basegfx::B2DPolyPolygonVector::const_iterator aIt = aB2DPolyPolyVector.begin();
for(; aIt != aB2DPolyPolyVector.end(); ++aIt )
for( unsigned int i = 0; i < aIt->count(); ++i )
rPolyPoly.Insert(Polygon((*aIt).getB2DPolygon( i ))); // #i76339#
return sal_True;
}
// -----------------------------------------------------------------------
sal_Bool OutputDevice::GetFontCharMap( FontCharMap& rFontCharMap ) const
{
rFontCharMap.Reset();
// we need a graphics
if( !mpGraphics && !ImplGetGraphics() )
return sal_False;
if( mbNewFont )
ImplNewFont();
if( mbInitFont )
ImplInitFont();
if( !mpFontEntry )
return sal_False;
#ifdef ENABLE_IFC_CACHE // a little font charmap cache helps considerably
static const int NMAXITEMS = 16;
static int nUsedItems = 0, nCurItem = 0;
struct CharMapCacheItem { const ImplFontData* mpFontData; FontCharMap maCharMap; };
static CharMapCacheItem aCache[ NMAXITEMS ];
const ImplFontData* pFontData = mpFontEntry->maFontSelData.mpFontData;
int i;
for( i = nUsedItems; --i >= 0; )
if( pFontData == aCache[i].mpFontData )
break;
if( i >= 0 ) // found in cache
{
rFontCharMap.Reset( aCache[i].maCharMap.mpImpl );
}
else // need to cache
#endif // ENABLE_IFC_CACHE
{
const ImplFontCharMap* pNewMap = mpGraphics->GetImplFontCharMap();
rFontCharMap.Reset( pNewMap );
#ifdef ENABLE_IFC_CACHE
// manage cache round-robin and insert data
CharMapCacheItem& rItem = aCache[ nCurItem ];
rItem.mpFontData = pFontData;
rItem.maCharMap.Reset( pNewMap );
if( ++nCurItem >= NMAXITEMS )
nCurItem = 0;
if( ++nUsedItems >= NMAXITEMS )
nUsedItems = NMAXITEMS;
#endif // ENABLE_IFC_CACHE
}
if( rFontCharMap.IsDefaultMap() )
return sal_False;
return sal_True;
}
// -----------------------------------------------------------------------
xub_StrLen OutputDevice::HasGlyphs( const Font& rTempFont, const String& rStr,
xub_StrLen nIndex, xub_StrLen nLen ) const
{
if( nIndex >= rStr.Len() )
return nIndex;
xub_StrLen nEnd = nIndex + nLen;
if( (sal_uLong)nIndex+nLen > rStr.Len() )
nEnd = rStr.Len();
DBG_ASSERT( nIndex < nEnd, "StartPos >= EndPos?" );
DBG_ASSERT( nEnd <= rStr.Len(), "String too short" );
// to get the map temporarily set font
const Font aOrigFont = GetFont();
const_cast<OutputDevice&>(*this).SetFont( rTempFont );
FontCharMap aFontCharMap;
sal_Bool bRet = GetFontCharMap( aFontCharMap );
const_cast<OutputDevice&>(*this).SetFont( aOrigFont );
// if fontmap is unknown assume it doesn't have the glyphs
if( bRet == sal_False )
return nIndex;
const sal_Unicode* pStr = rStr.GetBuffer();
for( pStr += nIndex; nIndex < nEnd; ++pStr, ++nIndex )
if( ! aFontCharMap.HasChar( *pStr ) )
return nIndex;
return STRING_LEN;
}
// -----------------------------------------------------------------------