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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
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*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sdext.hxx"
#include "pdfiprocessor.hxx"
#include "xmlemitter.hxx"
#include "pdfihelper.hxx"
#include "imagecontainer.hxx"
#include "style.hxx"
#include "drawtreevisiting.hxx"
#include "genericelements.hxx"
#include "basegfx/polygon/b2dpolypolygontools.hxx"
#include "basegfx/range/b2drange.hxx"
#include "com/sun/star/i18n/XBreakIterator.hpp"
#include "com/sun/star/lang/XMultiServiceFactory.hpp"
#include "comphelper/processfactory.hxx"
#include "com/sun/star/i18n/ScriptType.hpp"
#include "com/sun/star/i18n/DirectionProperty.hpp"
#include <string.h>
using namespace ::com::sun::star;
using namespace ::com::sun::star;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::i18n;
using namespace ::com::sun::star::uno;
namespace pdfi
{
const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator >& DrawXmlOptimizer::GetBreakIterator()
{
if ( !mxBreakIter.is() )
{
Reference< XComponentContext > xContext( this->m_rProcessor.m_xContext, uno::UNO_SET_THROW );
Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW );
Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString::createFromAscii("com.sun.star.i18n.BreakIterator"), xContext);
mxBreakIter = uno::Reference< i18n::XBreakIterator >( xInterface, uno::UNO_QUERY );
}
return mxBreakIter;
}
const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator >& DrawXmlEmitter::GetBreakIterator()
{
if ( !mxBreakIter.is() )
{
Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW );
Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW );
Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString::createFromAscii("com.sun.star.i18n.BreakIterator"), xContext);
mxBreakIter = uno::Reference< i18n::XBreakIterator >( xInterface, uno::UNO_QUERY );
}
return mxBreakIter;
}
const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XCharacterClassification >& DrawXmlEmitter::GetCharacterClassification()
{
if ( !mxCharClass.is() )
{
Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW );
Reference< XMultiComponentFactory > xMSF( xContext->getServiceManager(), uno::UNO_SET_THROW );
Reference < XInterface > xInterface = xMSF->createInstanceWithContext(::rtl::OUString::createFromAscii("com.sun.star.i18n.CharacterClassification"), xContext);
mxCharClass = uno::Reference< i18n::XCharacterClassification >( xInterface, uno::UNO_QUERY );
}
return mxCharClass;
}
void DrawXmlEmitter::visit( HyperlinkElement& elem, const std::list< Element* >::const_iterator& )
{
if( elem.Children.empty() )
return;
const char* pType = dynamic_cast<DrawElement*>(elem.Children.front()) ? "draw:a" : "text:a";
PropertyMap aProps;
aProps[ USTR( "xlink:type" ) ] = USTR( "simple" );
aProps[ USTR( "xlink:href" ) ] = elem.URI;
aProps[ USTR( "office:target-frame-name" ) ] = USTR( "_blank" );
aProps[ USTR( "xlink:show" ) ] = USTR( "new" );
m_rEmitContext.rEmitter.beginTag( pType, aProps );
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
m_rEmitContext.rEmitter.endTag( pType );
}
void DrawXmlEmitter::visit( TextElement& elem, const std::list< Element* >::const_iterator& )
{
if( ! elem.Text.getLength() )
return;
rtl::OUString strSpace(32);
rtl::OUString strNbSpace(160);
rtl::OUString tabSpace(0x09);
PropertyMap aProps;
if( elem.StyleId != -1 )
{
aProps[ rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "text:style-name" ) ) ] =
m_rEmitContext.rStyles.getStyleName( elem.StyleId );
}
rtl::OUString str(elem.Text.getStr());
// Check for RTL
bool isRTL = false;
Reference< i18n::XCharacterClassification > xCC( GetCharacterClassification() );
if( xCC.is() )
{
for(int i=1; i< elem.Text.getLength(); i++)
{
sal_Int16 nType = xCC->getCharacterDirection( str, i );
if ( nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT ||
nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC ||
nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING ||
nType == ::com::sun::star::i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE
)
isRTL = true;
}
}
if (isRTL) // If so, reverse string
str = m_rProcessor.mirrorString( str );
m_rEmitContext.rEmitter.beginTag( "text:span", aProps );
for(int i=0; i< elem.Text.getLength(); i++)
{
rtl::OUString strToken= str.copy(i,1) ;
if( strSpace.equals(strToken) || strNbSpace.equals(strToken))
{
aProps[ USTR( "text:c" ) ] = USTR( "1" );
m_rEmitContext.rEmitter.beginTag( "text:s", aProps );
m_rEmitContext.rEmitter.endTag( "text:s");
}
else
{
if( tabSpace.equals(strToken) )
{
m_rEmitContext.rEmitter.beginTag( "text:tab", aProps );
m_rEmitContext.rEmitter.endTag( "text:tab");
}
else
{
m_rEmitContext.rEmitter.write( strToken );
}
}
}
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
m_rEmitContext.rEmitter.endTag( "text:span" );
}
void DrawXmlEmitter::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& )
{
PropertyMap aProps;
if( elem.StyleId != -1 )
{
aProps[ USTR( "text:style-name" ) ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
}
const char* pTagType = "text:p";
if( elem.Type == elem.Headline )
pTagType = "text:h";
m_rEmitContext.rEmitter.beginTag( pTagType, aProps );
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
m_rEmitContext.rEmitter.endTag( pTagType );
}
void DrawXmlEmitter::fillFrameProps( DrawElement& rElem,
PropertyMap& rProps,
const EmitContext& rEmitContext,
bool bWasTransformed
)
{
double rel_x = rElem.x, rel_y = rElem.y;
rProps[ USTR( "draw:z-index" ) ] = rtl::OUString::valueOf( rElem.ZOrder );
rProps[ USTR( "draw:style-name" )] = rEmitContext.rStyles.getStyleName( rElem.StyleId );
rProps[ USTR( "svg:width" ) ] = convertPixelToUnitString( rElem.w );
rProps[ USTR( "svg:height" ) ] = convertPixelToUnitString( rElem.h );
const GraphicsContext& rGC =
rEmitContext.rProcessor.getGraphicsContext( rElem.GCId );
if( rGC.Transformation.isIdentity() || bWasTransformed )
{
rProps[ USTR( "svg:x" ) ] = convertPixelToUnitString( rel_x );
rProps[ USTR( "svg:y" ) ] = convertPixelToUnitString( rel_y );
}
else
{
basegfx::B2DTuple aScale, aTranslation;
double fRotate, fShearX;
rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX );
rtl::OUStringBuffer aBuf( 256 );
// TODO(F2): general transformation case missing; if implemented, note
// that ODF rotation is oriented the other way
// vertical mirroring is done by horizontally mirroring and rotaing 180 degree
// quaint !
if( rElem.MirrorVertical )
fRotate += M_PI;
// build transformation string
if( fShearX != 0.0 )
{
aBuf.appendAscii( "skewX( " );
aBuf.append( fShearX );
aBuf.appendAscii( " )" );
}
if( fRotate != 0.0 )
{
if( aBuf.getLength() > 0 )
aBuf.append( sal_Unicode(' ') );
aBuf.appendAscii( "rotate( " );
aBuf.append( -fRotate );
aBuf.appendAscii( " )" );
}
if( aBuf.getLength() > 0 )
aBuf.append( sal_Unicode(' ') );
aBuf.appendAscii( "translate( " );
aBuf.append( convertPixelToUnitString( rel_x ) );
aBuf.append( sal_Unicode(' ') );
aBuf.append( convertPixelToUnitString( rel_y ) );
aBuf.appendAscii( " )" );
rProps[ USTR( "draw:transform" ) ] = aBuf.makeStringAndClear();
}
}
void DrawXmlEmitter::visit( FrameElement& elem, const std::list< Element* >::const_iterator& )
{
if( elem.Children.empty() )
return;
bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front()) != NULL);
PropertyMap aFrameProps;
fillFrameProps( elem, aFrameProps, m_rEmitContext );
m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps );
if( bTextBox )
m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() );
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
if( bTextBox )
m_rEmitContext.rEmitter.endTag( "draw:text-box" );
m_rEmitContext.rEmitter.endTag( "draw:frame" );
}
void DrawXmlEmitter::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
{
elem.updateGeometry();
/* note:
* aw recommends using 100dth of mm in all respects since the xml import
* (a) is buggy (see issue 37213)
* (b) is optimized for 100dth of mm and does not scale itself then,
* this does not gain us speed but makes for smaller rounding errors since
* the xml importer coordinates are integer based
*/
for (sal_uInt32 i = 0; i< elem.PolyPoly.count(); i++)
{
basegfx::B2DPolygon b2dPolygon;
b2dPolygon = elem.PolyPoly.getB2DPolygon( i );
for ( sal_uInt32 j = 0; j< b2dPolygon.count(); j++ )
{
basegfx::B2DPoint point;
basegfx::B2DPoint nextPoint;
point = b2dPolygon.getB2DPoint( j );
basegfx::B2DPoint prevPoint;
prevPoint = b2dPolygon.getPrevControlPoint( j ) ;
point.setX( convPx2mmPrec2( point.getX() )*100.0 );
point.setY( convPx2mmPrec2( point.getY() )*100.0 );
if ( b2dPolygon.isPrevControlPointUsed( j ) )
{
prevPoint.setX( convPx2mmPrec2( prevPoint.getX() )*100.0 );
prevPoint.setY( convPx2mmPrec2( prevPoint.getY() )*100.0 );
}
if ( b2dPolygon.isNextControlPointUsed( j ) )
{
nextPoint = b2dPolygon.getNextControlPoint( j ) ;
nextPoint.setX( convPx2mmPrec2( nextPoint.getX() )*100.0 );
nextPoint.setY( convPx2mmPrec2( nextPoint.getY() )*100.0 );
}
b2dPolygon.setB2DPoint( j, point );
if ( b2dPolygon.isPrevControlPointUsed( j ) )
b2dPolygon.setPrevControlPoint( j , prevPoint ) ;
if ( b2dPolygon.isNextControlPointUsed( j ) )
b2dPolygon.setNextControlPoint( j , nextPoint ) ;
}
elem.PolyPoly.setB2DPolygon( i, b2dPolygon );
}
PropertyMap aProps;
// PDFIProcessor transforms geometrical objects, not images and text
// so we need to tell fillFrameProps here that the transformation for
// a PolyPolyElement was already applied (aside form translation)
fillFrameProps( elem, aProps, m_rEmitContext, true );
rtl::OUStringBuffer aBuf( 64 );
aBuf.appendAscii( "0 0 " );
aBuf.append( convPx2mmPrec2(elem.w)*100.0 );
aBuf.append( sal_Unicode(' ') );
aBuf.append( convPx2mmPrec2(elem.h)*100.0 );
aProps[ USTR( "svg:viewBox" ) ] = aBuf.makeStringAndClear();
aProps[ USTR( "svg:d" ) ] = basegfx::tools::exportToSvgD( elem.PolyPoly, true, true, false );
m_rEmitContext.rEmitter.beginTag( "draw:path", aProps );
m_rEmitContext.rEmitter.endTag( "draw:path" );
}
void DrawXmlEmitter::visit( ImageElement& elem, const std::list< Element* >::const_iterator& )
{
PropertyMap aImageProps;
m_rEmitContext.rEmitter.beginTag( "draw:image", aImageProps );
m_rEmitContext.rEmitter.beginTag( "office:binary-data", PropertyMap() );
m_rEmitContext.rImages.writeBase64EncodedStream( elem.Image, m_rEmitContext);
m_rEmitContext.rEmitter.endTag( "office:binary-data" );
m_rEmitContext.rEmitter.endTag( "draw:image" );
}
void DrawXmlEmitter::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
{
PropertyMap aPageProps;
aPageProps[ USTR( "draw:master-page-name" ) ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
m_rEmitContext.rEmitter.beginTag("draw:page", aPageProps);
if( m_rEmitContext.xStatusIndicator.is() )
m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber );
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
m_rEmitContext.rEmitter.endTag("draw:page");
}
void DrawXmlEmitter::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&)
{
m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() );
m_rEmitContext.rEmitter.beginTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation",
PropertyMap() );
std::list< Element* >::iterator this_it = elem.Children.begin();
while( this_it !=elem.Children.end() && *this_it != &elem )
{
(*this_it)->visitedBy( *this, this_it );
this_it++;
}
m_rEmitContext.rEmitter.endTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation" );
m_rEmitContext.rEmitter.endTag( "office:body" );
}
/////////////////////////////////////////////////////////////////
void DrawXmlOptimizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& )
{
}
void DrawXmlOptimizer::visit( TextElement&, const std::list< Element* >::const_iterator&)
{
}
void DrawXmlOptimizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator& )
{
elem.applyToChildren(*this);
}
void DrawXmlOptimizer::visit( ImageElement&, const std::list< Element* >::const_iterator& )
{
}
void DrawXmlOptimizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
{
/* note: optimize two consecutive PolyPolyElements that
* have the same path but one of which is a stroke while
* the other is a fill
*/
if( elem.Parent )
{
// find following PolyPolyElement in parent's children list
std::list< Element* >::iterator this_it = elem.Parent->Children.begin();
while( this_it != elem.Parent->Children.end() && *this_it != &elem )
++this_it;
if( this_it != elem.Parent->Children.end() )
{
std::list< Element* >::iterator next_it = this_it;
if( ++next_it != elem.Parent->Children.end() )
{
PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(*next_it);
// TODO(F2): this comparison fails for OOo-generated polygons with beziers.
if( pNext && pNext->PolyPoly == elem.PolyPoly )
{
const GraphicsContext& rNextGC =
m_rProcessor.getGraphicsContext( pNext->GCId );
const GraphicsContext& rThisGC =
m_rProcessor.getGraphicsContext( elem.GCId );
if( rThisGC.BlendMode == rNextGC.BlendMode &&
rThisGC.Flatness == rNextGC.Flatness &&
rThisGC.Transformation == rNextGC.Transformation &&
rThisGC.Clip == rNextGC.Clip &&
rThisGC.FillColor.Red == rNextGC.FillColor.Red &&
rThisGC.FillColor.Green== rNextGC.FillColor.Green &&
rThisGC.FillColor.Blue == rNextGC.FillColor.Blue &&
rThisGC.FillColor.Alpha== rNextGC.FillColor.Alpha &&
pNext->Action == PATH_STROKE &&
(elem.Action == PATH_FILL || elem.Action == PATH_EOFILL) )
{
GraphicsContext aGC = rThisGC;
aGC.LineJoin = rNextGC.LineJoin;
aGC.LineCap = rNextGC.LineCap;
aGC.LineWidth = rNextGC.LineWidth;
aGC.MiterLimit= rNextGC.MiterLimit;
aGC.DashArray = rNextGC.DashArray;
aGC.LineColor = rNextGC.LineColor;
elem.GCId = m_rProcessor.getGCId( aGC );
elem.Action |= pNext->Action;
elem.Children.splice( elem.Children.end(), pNext->Children );
elem.Parent->Children.erase( next_it );
delete pNext;
}
}
}
}
}
}
void DrawXmlOptimizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& )
{
optimizeTextElements( elem );
elem.applyToChildren(*this);
}
void DrawXmlOptimizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
{
if( m_rProcessor.getStatusIndicator().is() )
m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
// resolve hyperlinks
elem.resolveHyperlinks();
elem.resolveFontStyles( m_rProcessor ); // underlines and such
// FIXME: until hyperlinks and font effects are adjusted for
// geometrical search handle them before sorting
m_rProcessor.sortElements( &elem );
// find paragraphs in text
ParagraphElement* pCurPara = NULL;
std::list< Element* >::iterator page_element, next_page_element;
next_page_element = elem.Children.begin();
double fCurLineHeight = 0.0; // average height of text items in current para
int nCurLineElements = 0; // number of line contributing elements in current para
double line_left = elem.w, line_right = 0.0;
double column_width = elem.w*0.75; // estimate text width
// TODO: guess columns
while( next_page_element != elem.Children.end() )
{
page_element = next_page_element++;
ParagraphElement* pPagePara = dynamic_cast<ParagraphElement*>(*page_element);
if( pPagePara )
{
pCurPara = pPagePara;
// adjust line height and text items
fCurLineHeight = 0.0;
nCurLineElements = 0;
for( std::list< Element* >::iterator it = pCurPara->Children.begin();
it != pCurPara->Children.end(); ++it )
{
TextElement* pTestText = dynamic_cast<TextElement*>(*it);
if( pTestText )
{
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pTestText->h)/double(nCurLineElements+1);
nCurLineElements++;
}
}
continue;
}
HyperlinkElement* pLink = dynamic_cast<HyperlinkElement*>(*page_element);
DrawElement* pDraw = dynamic_cast<DrawElement*>(*page_element);
if( ! pDraw && pLink && ! pLink->Children.empty() )
pDraw = dynamic_cast<DrawElement*>(pLink->Children.front() );
if( pDraw )
{
// insert small drawing objects as character, else leave them page bound
bool bInsertToParagraph = false;
// first check if this is either inside the paragraph
if( pCurPara && pDraw->y < pCurPara->y + pCurPara->h )
{
if( pDraw->h < fCurLineHeight * 1.5 )
{
bInsertToParagraph = true;
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pDraw->h)/double(nCurLineElements+1);
nCurLineElements++;
// mark draw element as character
pDraw->isCharacter = true;
}
}
// or perhaps the draw element begins a new paragraph
else if( next_page_element != elem.Children.end() )
{
TextElement* pText = dynamic_cast<TextElement*>(*next_page_element);
if( ! pText )
{
ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*next_page_element);
if( pPara && ! pPara->Children.empty() )
pText = dynamic_cast<TextElement*>(pPara->Children.front());
}
if( pText && // check there is a text
pDraw->h < pText->h*1.5 && // and it is approx the same height
// and either upper or lower edge of pDraw is inside text's vertical range
( ( pDraw->y >= pText->y && pDraw->y <= pText->y+pText->h ) ||
( pDraw->y+pDraw->h >= pText->y && pDraw->y+pDraw->h <= pText->y+pText->h )
)
)
{
bInsertToParagraph = true;
fCurLineHeight = pDraw->h;
nCurLineElements = 1;
line_left = pDraw->x;
line_right = pDraw->x + pDraw->w;
// begin a new paragraph
pCurPara = NULL;
// mark draw element as character
pDraw->isCharacter = true;
}
}
if( ! bInsertToParagraph )
{
pCurPara = NULL;
continue;
}
}
TextElement* pText = dynamic_cast<TextElement*>(*page_element);
if( ! pText && pLink && ! pLink->Children.empty() )
pText = dynamic_cast<TextElement*>(pLink->Children.front());
if( pText )
{
Element* pGeo = pLink ? static_cast<Element*>(pLink) :
static_cast<Element*>(pText);
if( pCurPara )
{
// there was already a text element, check for a new paragraph
if( nCurLineElements > 0 )
{
// if the new text is significantly distant from the paragraph
// begin a new paragraph
if( pGeo->y > pCurPara->y + pCurPara->h + fCurLineHeight*0.5 )
pCurPara = NULL; // insert new paragraph
else if( pGeo->y > (pCurPara->y+pCurPara->h - fCurLineHeight*0.05) )
{
// new paragraph if either the last line of the paragraph
// was significantly shorter than the paragraph as a whole
if( (line_right - line_left) < pCurPara->w*0.75 )
pCurPara = NULL;
// or the last line was significantly smaller than the column width
else if( (line_right - line_left) < column_width*0.75 )
pCurPara = NULL;
}
}
}
// update line height/width
if( pCurPara )
{
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pGeo->h)/double(nCurLineElements+1);
nCurLineElements++;
if( pGeo->x < line_left )
line_left = pGeo->x;
if( pGeo->x+pGeo->w > line_right )
line_right = pGeo->x+pGeo->w;
}
else
{
fCurLineHeight = pGeo->h;
nCurLineElements = 1;
line_left = pGeo->x;
line_right = pGeo->x + pGeo->w;
}
}
// move element to current paragraph
if (! pCurPara ) // new paragraph, insert one
{
pCurPara = m_rProcessor.getElementFactory()->createParagraphElement( NULL );
// set parent
pCurPara->Parent = &elem;
//insert new paragraph before current element
page_element = elem.Children.insert( page_element, pCurPara );
// forward iterator to current element again
++ page_element;
// update next_element which is now invalid
next_page_element = page_element;
++ next_page_element;
}
Element* pCurEle = *page_element;
pCurEle->setParent( page_element, pCurPara );
OSL_ENSURE( !pText || pCurEle == pText || pCurEle == pLink, "paragraph child list in disorder" );
if( pText || pDraw )
pCurPara->updateGeometryWith( pCurEle );
}
// process children
elem.applyToChildren(*this);
}
bool isSpaces(TextElement* pTextElem)
{
rtl::OUString strSpace(32);
::rtl::OUString ouTxt2(pTextElem->Text);
for(int i=0; i< pTextElem->Text.getLength(); i++)
{
rtl::OUString strToken = ouTxt2.copy(i,1) ;
if( !strSpace.equals(strToken) )
return false;
}
return true;
}
bool notTransformed(GraphicsContext GC)
{
return (
GC.Transformation.get(0,0) == 100.00 &&
GC.Transformation.get(1,0) == 0.00 &&
GC.Transformation.get(0,1) == 0.00 &&
GC.Transformation.get(1,1) == -100.00
);
}
void DrawXmlOptimizer::optimizeTextElements(Element& rParent)
{
if( rParent.Children.empty() ) // this should not happen
{
OSL_ENSURE( 0, "empty paragraph optimized" );
return;
}
// concatenate child elements with same font id
std::list< Element* >::iterator next = rParent.Children.begin();
std::list< Element* >::iterator it = next++;
FrameElement* pFrame = dynamic_cast<FrameElement*>(rParent.Parent);
bool bRotatedFrame = false;
if( pFrame )
{
const GraphicsContext& rFrameGC = m_rProcessor.getGraphicsContext( pFrame->GCId );
if( rFrameGC.isRotatedOrSkewed() )
bRotatedFrame = true;
}
while( next != rParent.Children.end() )
{
bool bConcat = false;
TextElement* pCur = dynamic_cast<TextElement*>(*it);
if( pCur )
{
TextElement* pNext = dynamic_cast<TextElement*>(*next);
bool isComplex = false;
rtl::OUString str(pCur->Text.getStr());
for(int i=0; i< str.getLength(); i++)
{
sal_Int16 nType = GetBreakIterator()->getScriptType( str, i );
if (nType == ::com::sun::star::i18n::ScriptType::COMPLEX)
isComplex = true;
}
bool bPara = strspn("ParagraphElement", typeid(rParent).name());
ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(&rParent);
if (bPara && isComplex)
pPara->bRtl = true;
if( pNext )
{
const GraphicsContext& rCurGC = m_rProcessor.getGraphicsContext( pCur->GCId );
const GraphicsContext& rNextGC = m_rProcessor.getGraphicsContext( pNext->GCId );
// line and space optimization; works only in strictly horizontal mode
// concatenate consecutive text elements unless there is a
// font or text color or matrix change, leave a new span in that case
if( (pCur->FontId == pNext->FontId || isSpaces(pNext)) &&
rCurGC.FillColor.Red == rNextGC.FillColor.Red &&
rCurGC.FillColor.Green == rNextGC.FillColor.Green &&
rCurGC.FillColor.Blue == rNextGC.FillColor.Blue &&
rCurGC.FillColor.Alpha == rNextGC.FillColor.Alpha &&
(rCurGC.Transformation == rNextGC.Transformation || notTransformed(rNextGC))
)
{
pCur->updateGeometryWith( pNext );
// append text to current element
pCur->Text.append( pNext->Text.getStr(), pNext->Text.getLength() );
str = pCur->Text.getStr();
for(int i=0; i< str.getLength(); i++)
{
sal_Int16 nType = GetBreakIterator()->getScriptType( str, i );
if (nType == ::com::sun::star::i18n::ScriptType::COMPLEX)
isComplex = true;
}
if (bPara && isComplex)
pPara->bRtl = true;
// append eventual children to current element
// and clear children (else the children just
// appended to pCur would be destroyed)
pCur->Children.splice( pCur->Children.end(), pNext->Children );
// get rid of the now useless element
rParent.Children.erase( next );
delete pNext;
bConcat = true;
}
}
}
else if( dynamic_cast<HyperlinkElement*>(*it) )
optimizeTextElements( **it );
if ( bConcat )
next = it;
else
++it;
++next;
}
}
void DrawXmlOptimizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&)
{
elem.applyToChildren(*this);
}
//////////////////////////////////////////////////////////////////////////////////
void DrawXmlFinalizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
{
// xxx TODO copied from DrawElement
const GraphicsContext& rGC = m_rProcessor.getGraphicsContext(elem.GCId );
PropertyMap aProps;
aProps[ USTR( "style:family" ) ] = USTR( "graphic" );
aProps[ USTR( "style:parent-style-name") ] = USTR( "standard" );
// generate standard graphic style if necessary
m_rStyleContainer.getStandardStyleId( "graphic" );
PropertyMap aGCProps;
// TODO(F3): proper dash emulation
if( elem.Action & PATH_STROKE )
{
aGCProps[ USTR("draw:stroke") ] = rGC.DashArray.empty() ? USTR("solid") : USTR("dash");
aGCProps[ USTR("svg:stroke-color") ] = getColorString( rGC.LineColor );
if( rGC.LineWidth != 0.0 )
{
::basegfx::B2DVector aVec(rGC.LineWidth,0);
aVec *= rGC.Transformation;
aVec.setX ( convPx2mmPrec2( aVec.getX() )*100.0 );
aVec.setY ( convPx2mmPrec2( aVec.getY() )*100.0 );
aGCProps[ USTR("svg:stroke-width") ] = rtl::OUString::valueOf( aVec.getLength() );
}
}
else
{
aGCProps[ USTR("draw:stroke") ] = USTR("none");
}
// TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch
if( elem.Action & (PATH_FILL | PATH_EOFILL) )
{
aGCProps[ USTR("draw:fill") ] = USTR("solid");
aGCProps[ USTR("draw:fill-color") ] = getColorString( rGC.FillColor );
}
else
{
aGCProps[ USTR("draw:fill") ] = USTR("none");
}
StyleContainer::Style aStyle( "style:style", aProps );
StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps );
aStyle.SubStyles.push_back( &aSubStyle );
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
}
void DrawXmlFinalizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& )
{
}
void DrawXmlFinalizer::visit( TextElement& elem, const std::list< Element* >::const_iterator& )
{
const FontAttributes& rFont = m_rProcessor.getFont( elem.FontId );
PropertyMap aProps;
aProps[ USTR( "style:family" ) ] = USTR( "text" );
PropertyMap aFontProps;
// family name
aFontProps[ USTR( "fo:font-family" ) ] = rFont.familyName;
aFontProps[ USTR( "style:font-family-complex" ) ] = rFont.familyName;
// bold
if( rFont.isBold )
{
aFontProps[ USTR( "fo:font-weight" ) ] = USTR( "bold" );
aFontProps[ USTR( "fo:font-weight-asian" ) ] = USTR( "bold" );
aFontProps[ USTR( "style:font-weight-complex" ) ] = USTR( "bold" );
}
// italic
if( rFont.isItalic )
{
aFontProps[ USTR( "fo:font-style" ) ] = USTR( "italic" );
aFontProps[ USTR( "fo:font-style-asian" ) ] = USTR( "italic" );
aFontProps[ USTR( "style:font-style-complex" ) ] = USTR( "italic" );
}
// underline
if( rFont.isUnderline )
{
aFontProps[ USTR( "style:text-underline-style" ) ] = USTR( "solid" );
aFontProps[ USTR( "style:text-underline-width" ) ] = USTR( "auto" );
aFontProps[ USTR( "style:text-underline-color" ) ] = USTR( "font-color" );
}
// outline
if( rFont.isOutline )
{
aFontProps[ USTR( "style:text-outline" ) ] = USTR( "true" );
}
// size
rtl::OUStringBuffer aBuf( 32 );
aBuf.append( rFont.size*72/PDFI_OUTDEV_RESOLUTION );
aBuf.appendAscii( "pt" );
rtl::OUString aFSize = aBuf.makeStringAndClear();
aFontProps[ USTR( "fo:font-size" ) ] = aFSize;
aFontProps[ USTR( "style:font-size-asian" ) ] = aFSize;
aFontProps[ USTR( "style:font-size-complex" ) ] = aFSize;
// color
const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId );
aFontProps[ USTR( "fo:color" ) ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor );
StyleContainer::Style aStyle( "style:style", aProps );
StyleContainer::Style aSubStyle( "style:text-properties", aFontProps );
aStyle.SubStyles.push_back( &aSubStyle );
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
}
void DrawXmlFinalizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& )
{
PropertyMap aProps;
aProps[ USTR( "style:family" ) ] = USTR( "paragraph" );
// generate standard paragraph style if necessary
m_rStyleContainer.getStandardStyleId( "paragraph" );
PropertyMap aParProps;
aParProps[ USTR("fo:text-align")] = USTR("start");
if (elem.bRtl)
aParProps[ USTR("style:writing-mode")] = USTR("rl-tb");
else
aParProps[ USTR("style:writing-mode")] = USTR("lr-tb");
StyleContainer::Style aStyle( "style:style", aProps );
StyleContainer::Style aSubStyle( "style:paragraph-properties", aParProps );
aStyle.SubStyles.push_back( &aSubStyle );
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
// update page boundaries
if( elem.Parent )
{
// check for center alignement
// criterion: paragraph is small relative to parent and distributed around its center
double p_x = elem.Parent->x;
double p_y = elem.Parent->y;
double p_w = elem.Parent->w;
double p_h = elem.Parent->h;
PageElement* pPage = dynamic_cast<PageElement*>(elem.Parent);
if( pPage )
{
p_x += pPage->LeftMargin;
p_y += pPage->TopMargin;
p_w -= pPage->LeftMargin+pPage->RightMargin;
p_h -= pPage->TopMargin+pPage->BottomMargin;
}
}
elem.applyToChildren(*this);
}
void DrawXmlFinalizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator&)
{
PropertyMap aProps;
aProps[ USTR( "style:family" ) ] = USTR( "graphic" );
aProps[ USTR( "style:parent-style-name") ] = USTR( "standard" );
// generate standard graphic style if necessary
m_rStyleContainer.getStandardStyleId( "graphic" );
PropertyMap aGCProps;
aGCProps[ USTR("draw:stroke") ] = USTR("none");
aGCProps[ USTR("draw:fill") ] = USTR("none");
aGCProps[ USTR("draw:auto-grow-height") ] = USTR("true");
aGCProps[ USTR("draw:auto-grow-width") ] = USTR("true");
aGCProps[ USTR("draw:textarea-horizontal-align") ] = USTR("left");
aGCProps[ USTR("draw:textarea-vertical-align") ] = USTR("top");
aGCProps[ USTR("fo:min-height")] = USTR("0cm");
aGCProps[ USTR("fo:min-width")] = USTR("0cm");
aGCProps[ USTR("fo:padding-top") ] = USTR("0cm");
aGCProps[ USTR("fo:padding-left") ] = USTR("0cm");
aGCProps[ USTR("fo:padding-right") ] = USTR("0cm");
aGCProps[ USTR("fo:padding-bottom") ] = USTR("0cm");
// remark: vertical mirroring is done in current OOO by
// mirroring horzontally and rotating 180 degrees
// this is quaint, but unfortunately it seems
// mirror=vertical is defined but not implemented in current code
if( elem.MirrorVertical )
aGCProps[ USTR("style:mirror") ] = USTR("horizontal");
StyleContainer::Style aStyle( "style:style", aProps );
StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps );
aStyle.SubStyles.push_back( &aSubStyle );
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
elem.applyToChildren(*this);
}
void DrawXmlFinalizer::visit( ImageElement&, const std::list< Element* >::const_iterator& )
{
}
void DrawXmlFinalizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
{
if( m_rProcessor.getStatusIndicator().is() )
m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
// transform from pixel to mm
double page_width = convPx2mm( elem.w ), page_height = convPx2mm( elem.h );
// calculate page margins out of the relevant children (paragraphs)
elem.TopMargin = elem.h, elem.BottomMargin = 0, elem.LeftMargin = elem.w, elem.RightMargin = 0;
for( std::list< Element* >::const_iterator it = elem.Children.begin(); it != elem.Children.end(); ++it )
{
if( (*it)->x < elem.LeftMargin )
elem.LeftMargin = (*it)->x;
if( (*it)->y < elem.TopMargin )
elem.TopMargin = (*it)->y;
if( (*it)->x + (*it)->w > elem.RightMargin )
elem.RightMargin = ((*it)->x + (*it)->w);
if( (*it)->y + (*it)->h > elem.BottomMargin )
elem.BottomMargin = ((*it)->y + (*it)->h);
}
// transform margins to mm
double left_margin = convPx2mm( elem.LeftMargin );
double right_margin = convPx2mm( elem.RightMargin );
double top_margin = convPx2mm( elem.TopMargin );
double bottom_margin = convPx2mm( elem.BottomMargin );
// round left/top margin to nearest mm
left_margin = rtl_math_round( left_margin, 0, rtl_math_RoundingMode_Floor );
top_margin = rtl_math_round( top_margin, 0, rtl_math_RoundingMode_Floor );
// round (fuzzy) right/bottom margin to nearest cm
right_margin = rtl_math_round( right_margin, right_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
bottom_margin = rtl_math_round( bottom_margin, bottom_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
// set reasonable default in case of way too large margins
// e.g. no paragraph case
if( left_margin > page_width/2.0 - 10 )
left_margin = 10;
if( right_margin > page_width/2.0 - 10 )
right_margin = 10;
if( top_margin > page_height/2.0 - 10 )
top_margin = 10;
if( bottom_margin > page_height/2.0 - 10 )
bottom_margin = 10;
// catch the weird cases
if( left_margin < 0 )
left_margin = 0;
if( right_margin < 0 )
right_margin = 0;
if( top_margin < 0 )
top_margin = 0;
if( bottom_margin < 0 )
bottom_margin = 0;
// widely differing margins are unlikely to be correct
if( right_margin > left_margin*1.5 )
right_margin = left_margin;
elem.LeftMargin = convmm2Px( left_margin );
elem.RightMargin = convmm2Px( right_margin );
elem.TopMargin = convmm2Px( top_margin );
elem.BottomMargin = convmm2Px( bottom_margin );
// get styles for paragraphs
PropertyMap aPageProps;
PropertyMap aPageLayoutProps;
rtl::OUStringBuffer aBuf( 64 );
aPageLayoutProps[ USTR( "fo:margin-top" ) ] = unitMMString( top_margin );
aPageLayoutProps[ USTR( "fo:margin-bottom" ) ] = unitMMString( bottom_margin );
aPageLayoutProps[ USTR( "fo:margin-left" ) ] = unitMMString( left_margin );
aPageLayoutProps[ USTR( "fo:margin-right" ) ] = unitMMString( right_margin );
aPageLayoutProps[ USTR( "fo:page-width" ) ] = unitMMString( page_width );
aPageLayoutProps[ USTR( "fo:page-height" ) ] = unitMMString( page_height );
aPageLayoutProps[ USTR( "style:print-orientation" ) ]= elem.w < elem.h ? USTR( "portrait" ) : USTR( "landscape" );
aPageLayoutProps[ USTR( "style:writing-mode" ) ]= USTR( "lr-tb" );
StyleContainer::Style aStyle( "style:page-layout", aPageProps);
StyleContainer::Style aSubStyle( "style:page-layout-properties", aPageLayoutProps);
aStyle.SubStyles.push_back(&aSubStyle);
sal_Int32 nPageStyle = m_rStyleContainer.impl_getStyleId( aStyle, false );
// create master page
rtl::OUString aMasterPageLayoutName = m_rStyleContainer.getStyleName( nPageStyle );
aPageProps[ USTR( "style:page-layout-name" ) ] = aMasterPageLayoutName;
StyleContainer::Style aMPStyle( "style:master-page", aPageProps);
StyleContainer::Style aHeaderStyle( "style:header", PropertyMap() );
StyleContainer::Style aFooterStyle( "style:footer", PropertyMap() );
elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false );
rtl::OUString aMasterPageName = m_rStyleContainer.getStyleName( elem.StyleId );
// create styles for children
elem.applyToChildren(*this);
}
void DrawXmlFinalizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator& )
{
elem.applyToChildren(*this);
}
}