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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_canvas.hxx" 30 31 #include <canvas/debug.hxx> 32 33 #include <rtl/math.hxx> 34 #include <basegfx/numeric/ftools.hxx> 35 #include <i18npool/mslangid.hxx> 36 #include <vcl/metric.hxx> 37 38 #include <com/sun/star/rendering/PanoseProportion.hpp> 39 40 #include "canvasfont.hxx" 41 #include "textlayout.hxx" 42 43 using namespace ::com::sun::star; 44 45 46 namespace vclcanvas 47 { 48 CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest, 49 const uno::Sequence< beans::PropertyValue >& , 50 const geometry::Matrix2D& rFontMatrix, 51 rendering::XGraphicDevice& rDevice, 52 const OutDevProviderSharedPtr& rOutDevProvider ) : 53 CanvasFont_Base( m_aMutex ), 54 maFont( Font( rFontRequest.FontDescription.FamilyName, 55 rFontRequest.FontDescription.StyleName, 56 Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ), 57 maFontRequest( rFontRequest ), 58 mpRefDevice( &rDevice ), 59 mpOutDevProvider( rOutDevProvider ) 60 { 61 maFont->SetAlign( ALIGN_BASELINE ); 62 maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE ); 63 maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False ); 64 65 // TODO(F2): improve panose->vclenum conversion 66 maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) ); 67 maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL ); 68 maFont->SetPitch( 69 rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED 70 ? PITCH_FIXED : PITCH_VARIABLE); 71 72 maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale)); 73 74 // adjust to stretched/shrinked font 75 if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) ) 76 { 77 OutputDevice& rOutDev( rOutDevProvider->getOutDev() ); 78 79 const bool bOldMapState( rOutDev.IsMapModeEnabled() ); 80 rOutDev.EnableMapMode(sal_False); 81 82 const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize(); 83 84 const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 ); 85 double fStretch = (rFontMatrix.m00 + rFontMatrix.m01); 86 87 if( !::basegfx::fTools::equalZero( fDividend) ) 88 fStretch /= fDividend; 89 90 const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch ); 91 92 maFont->SetWidth( nNewWidth ); 93 94 rOutDev.EnableMapMode(bOldMapState); 95 } 96 } 97 98 void SAL_CALL CanvasFont::disposing() 99 { 100 tools::LocalGuard aGuard; 101 102 mpOutDevProvider.reset(); 103 mpRefDevice.clear(); 104 } 105 106 uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException) 107 { 108 tools::LocalGuard aGuard; 109 110 if( !mpRefDevice.is() ) 111 return uno::Reference< rendering::XTextLayout >(); // we're disposed 112 113 return new TextLayout( aText, 114 nDirection, 115 nRandomSeed, 116 Reference( this ), 117 mpRefDevice, 118 mpOutDevProvider); 119 } 120 121 rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException) 122 { 123 tools::LocalGuard aGuard; 124 125 return maFontRequest; 126 } 127 128 rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException) 129 { 130 tools::LocalGuard aGuard; 131 132 OutputDevice& rOutDev = mpOutDevProvider->getOutDev(); 133 VirtualDevice aVDev( rOutDev ); 134 aVDev.SetFont(getVCLFont()); 135 const ::FontMetric& aMetric( aVDev.GetFontMetric() ); 136 137 return rendering::FontMetrics( 138 aMetric.GetAscent(), 139 aMetric.GetDescent(), 140 aMetric.GetIntLeading(), 141 aMetric.GetExtLeading(), 142 0, 143 aMetric.GetDescent() / 2.0, 144 aMetric.GetAscent() / 2.0); 145 } 146 147 uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException) 148 { 149 tools::LocalGuard aGuard; 150 151 // TODO(F1) 152 return uno::Sequence< double >(); 153 } 154 155 uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException) 156 { 157 tools::LocalGuard aGuard; 158 159 // TODO(F1) 160 return uno::Sequence< beans::PropertyValue >(); 161 } 162 163 #define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont" 164 #define SERVICE_NAME "com.sun.star.rendering.CanvasFont" 165 166 ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException ) 167 { 168 return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 169 } 170 171 sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) 172 { 173 return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 174 } 175 176 uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException ) 177 { 178 uno::Sequence< ::rtl::OUString > aRet(1); 179 aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 180 181 return aRet; 182 } 183 184 ::Font CanvasFont::getVCLFont() const 185 { 186 return *maFont; 187 } 188 } 189