| /************************************************************** |
| * |
| * 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_canvas.hxx" |
| |
| #include <canvas/debug.hxx> |
| |
| #include <rtl/math.hxx> |
| #include <basegfx/numeric/ftools.hxx> |
| #include <i18npool/mslangid.hxx> |
| #include <vcl/metric.hxx> |
| |
| #include <com/sun/star/rendering/PanoseProportion.hpp> |
| |
| #include "canvasfont.hxx" |
| #include "textlayout.hxx" |
| |
| using namespace ::com::sun::star; |
| |
| |
| namespace vclcanvas |
| { |
| CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest, |
| const uno::Sequence< beans::PropertyValue >& , |
| const geometry::Matrix2D& rFontMatrix, |
| rendering::XGraphicDevice& rDevice, |
| const OutDevProviderSharedPtr& rOutDevProvider ) : |
| CanvasFont_Base( m_aMutex ), |
| maFont( Font( rFontRequest.FontDescription.FamilyName, |
| rFontRequest.FontDescription.StyleName, |
| Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ), |
| maFontRequest( rFontRequest ), |
| mpRefDevice( &rDevice ), |
| mpOutDevProvider( rOutDevProvider ) |
| { |
| maFont->SetAlign( ALIGN_BASELINE ); |
| maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE ); |
| maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False ); |
| |
| // TODO(F2): improve panose->vclenum conversion |
| maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) ); |
| maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL ); |
| maFont->SetPitch( |
| rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED |
| ? PITCH_FIXED : PITCH_VARIABLE); |
| |
| maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale)); |
| |
| // adjust to stretched/shrinked font |
| if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) ) |
| { |
| OutputDevice& rOutDev( rOutDevProvider->getOutDev() ); |
| |
| const bool bOldMapState( rOutDev.IsMapModeEnabled() ); |
| rOutDev.EnableMapMode(sal_False); |
| |
| const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize(); |
| |
| const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 ); |
| double fStretch = (rFontMatrix.m00 + rFontMatrix.m01); |
| |
| if( !::basegfx::fTools::equalZero( fDividend) ) |
| fStretch /= fDividend; |
| |
| const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch ); |
| |
| maFont->SetWidth( nNewWidth ); |
| |
| rOutDev.EnableMapMode(bOldMapState); |
| } |
| } |
| |
| void SAL_CALL CanvasFont::disposing() |
| { |
| tools::LocalGuard aGuard; |
| |
| mpOutDevProvider.reset(); |
| mpRefDevice.clear(); |
| } |
| |
| uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException) |
| { |
| tools::LocalGuard aGuard; |
| |
| if( !mpRefDevice.is() ) |
| return uno::Reference< rendering::XTextLayout >(); // we're disposed |
| |
| return new TextLayout( aText, |
| nDirection, |
| nRandomSeed, |
| Reference( this ), |
| mpRefDevice, |
| mpOutDevProvider); |
| } |
| |
| rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException) |
| { |
| tools::LocalGuard aGuard; |
| |
| return maFontRequest; |
| } |
| |
| rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException) |
| { |
| tools::LocalGuard aGuard; |
| |
| OutputDevice& rOutDev = mpOutDevProvider->getOutDev(); |
| VirtualDevice aVDev( rOutDev ); |
| aVDev.SetFont(getVCLFont()); |
| const ::FontMetric& aMetric( aVDev.GetFontMetric() ); |
| |
| return rendering::FontMetrics( |
| aMetric.GetAscent(), |
| aMetric.GetDescent(), |
| aMetric.GetIntLeading(), |
| aMetric.GetExtLeading(), |
| 0, |
| aMetric.GetDescent() / 2.0, |
| aMetric.GetAscent() / 2.0); |
| } |
| |
| uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException) |
| { |
| tools::LocalGuard aGuard; |
| |
| // TODO(F1) |
| return uno::Sequence< double >(); |
| } |
| |
| uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException) |
| { |
| tools::LocalGuard aGuard; |
| |
| // TODO(F1) |
| return uno::Sequence< beans::PropertyValue >(); |
| } |
| |
| #define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont" |
| #define SERVICE_NAME "com.sun.star.rendering.CanvasFont" |
| |
| ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException ) |
| { |
| return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); |
| } |
| |
| sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) |
| { |
| return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); |
| } |
| |
| uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException ) |
| { |
| uno::Sequence< ::rtl::OUString > aRet(1); |
| aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); |
| |
| return aRet; |
| } |
| |
| ::Font CanvasFont::getVCLFont() const |
| { |
| return *maFont; |
| } |
| } |