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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_canvas.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <canvas/debug.hxx> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #include <rtl/math.hxx> 34*cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx> 35*cdf0e10cSrcweir #include <i18npool/mslangid.hxx> 36*cdf0e10cSrcweir #include <vcl/metric.hxx> 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir #include <com/sun/star/rendering/PanoseProportion.hpp> 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir #include "canvasfont.hxx" 41*cdf0e10cSrcweir #include "textlayout.hxx" 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir using namespace ::com::sun::star; 44*cdf0e10cSrcweir 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir namespace vclcanvas 47*cdf0e10cSrcweir { 48*cdf0e10cSrcweir CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest, 49*cdf0e10cSrcweir const uno::Sequence< beans::PropertyValue >& , 50*cdf0e10cSrcweir const geometry::Matrix2D& rFontMatrix, 51*cdf0e10cSrcweir rendering::XGraphicDevice& rDevice, 52*cdf0e10cSrcweir const OutDevProviderSharedPtr& rOutDevProvider ) : 53*cdf0e10cSrcweir CanvasFont_Base( m_aMutex ), 54*cdf0e10cSrcweir maFont( Font( rFontRequest.FontDescription.FamilyName, 55*cdf0e10cSrcweir rFontRequest.FontDescription.StyleName, 56*cdf0e10cSrcweir Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ), 57*cdf0e10cSrcweir maFontRequest( rFontRequest ), 58*cdf0e10cSrcweir mpRefDevice( &rDevice ), 59*cdf0e10cSrcweir mpOutDevProvider( rOutDevProvider ) 60*cdf0e10cSrcweir { 61*cdf0e10cSrcweir maFont->SetAlign( ALIGN_BASELINE ); 62*cdf0e10cSrcweir maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE ); 63*cdf0e10cSrcweir maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False ); 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir // TODO(F2): improve panose->vclenum conversion 66*cdf0e10cSrcweir maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) ); 67*cdf0e10cSrcweir maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL ); 68*cdf0e10cSrcweir maFont->SetPitch( 69*cdf0e10cSrcweir rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED 70*cdf0e10cSrcweir ? PITCH_FIXED : PITCH_VARIABLE); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale)); 73*cdf0e10cSrcweir 74*cdf0e10cSrcweir // adjust to stretched/shrinked font 75*cdf0e10cSrcweir if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) ) 76*cdf0e10cSrcweir { 77*cdf0e10cSrcweir OutputDevice& rOutDev( rOutDevProvider->getOutDev() ); 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir const bool bOldMapState( rOutDev.IsMapModeEnabled() ); 80*cdf0e10cSrcweir rOutDev.EnableMapMode(sal_False); 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize(); 83*cdf0e10cSrcweir 84*cdf0e10cSrcweir const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 ); 85*cdf0e10cSrcweir double fStretch = (rFontMatrix.m00 + rFontMatrix.m01); 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir if( !::basegfx::fTools::equalZero( fDividend) ) 88*cdf0e10cSrcweir fStretch /= fDividend; 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch ); 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir maFont->SetWidth( nNewWidth ); 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir rOutDev.EnableMapMode(bOldMapState); 95*cdf0e10cSrcweir } 96*cdf0e10cSrcweir } 97*cdf0e10cSrcweir 98*cdf0e10cSrcweir void SAL_CALL CanvasFont::disposing() 99*cdf0e10cSrcweir { 100*cdf0e10cSrcweir tools::LocalGuard aGuard; 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir mpOutDevProvider.reset(); 103*cdf0e10cSrcweir mpRefDevice.clear(); 104*cdf0e10cSrcweir } 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException) 107*cdf0e10cSrcweir { 108*cdf0e10cSrcweir tools::LocalGuard aGuard; 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir if( !mpRefDevice.is() ) 111*cdf0e10cSrcweir return uno::Reference< rendering::XTextLayout >(); // we're disposed 112*cdf0e10cSrcweir 113*cdf0e10cSrcweir return new TextLayout( aText, 114*cdf0e10cSrcweir nDirection, 115*cdf0e10cSrcweir nRandomSeed, 116*cdf0e10cSrcweir Reference( this ), 117*cdf0e10cSrcweir mpRefDevice, 118*cdf0e10cSrcweir mpOutDevProvider); 119*cdf0e10cSrcweir } 120*cdf0e10cSrcweir 121*cdf0e10cSrcweir rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException) 122*cdf0e10cSrcweir { 123*cdf0e10cSrcweir tools::LocalGuard aGuard; 124*cdf0e10cSrcweir 125*cdf0e10cSrcweir return maFontRequest; 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir 128*cdf0e10cSrcweir rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException) 129*cdf0e10cSrcweir { 130*cdf0e10cSrcweir tools::LocalGuard aGuard; 131*cdf0e10cSrcweir 132*cdf0e10cSrcweir OutputDevice& rOutDev = mpOutDevProvider->getOutDev(); 133*cdf0e10cSrcweir VirtualDevice aVDev( rOutDev ); 134*cdf0e10cSrcweir aVDev.SetFont(getVCLFont()); 135*cdf0e10cSrcweir const ::FontMetric& aMetric( aVDev.GetFontMetric() ); 136*cdf0e10cSrcweir 137*cdf0e10cSrcweir return rendering::FontMetrics( 138*cdf0e10cSrcweir aMetric.GetAscent(), 139*cdf0e10cSrcweir aMetric.GetDescent(), 140*cdf0e10cSrcweir aMetric.GetIntLeading(), 141*cdf0e10cSrcweir aMetric.GetExtLeading(), 142*cdf0e10cSrcweir 0, 143*cdf0e10cSrcweir aMetric.GetDescent() / 2.0, 144*cdf0e10cSrcweir aMetric.GetAscent() / 2.0); 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir 147*cdf0e10cSrcweir uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException) 148*cdf0e10cSrcweir { 149*cdf0e10cSrcweir tools::LocalGuard aGuard; 150*cdf0e10cSrcweir 151*cdf0e10cSrcweir // TODO(F1) 152*cdf0e10cSrcweir return uno::Sequence< double >(); 153*cdf0e10cSrcweir } 154*cdf0e10cSrcweir 155*cdf0e10cSrcweir uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException) 156*cdf0e10cSrcweir { 157*cdf0e10cSrcweir tools::LocalGuard aGuard; 158*cdf0e10cSrcweir 159*cdf0e10cSrcweir // TODO(F1) 160*cdf0e10cSrcweir return uno::Sequence< beans::PropertyValue >(); 161*cdf0e10cSrcweir } 162*cdf0e10cSrcweir 163*cdf0e10cSrcweir #define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont" 164*cdf0e10cSrcweir #define SERVICE_NAME "com.sun.star.rendering.CanvasFont" 165*cdf0e10cSrcweir 166*cdf0e10cSrcweir ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException ) 167*cdf0e10cSrcweir { 168*cdf0e10cSrcweir return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 169*cdf0e10cSrcweir } 170*cdf0e10cSrcweir 171*cdf0e10cSrcweir sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) 172*cdf0e10cSrcweir { 173*cdf0e10cSrcweir return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 174*cdf0e10cSrcweir } 175*cdf0e10cSrcweir 176*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException ) 177*cdf0e10cSrcweir { 178*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > aRet(1); 179*cdf0e10cSrcweir aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 180*cdf0e10cSrcweir 181*cdf0e10cSrcweir return aRet; 182*cdf0e10cSrcweir } 183*cdf0e10cSrcweir 184*cdf0e10cSrcweir ::Font CanvasFont::getVCLFont() const 185*cdf0e10cSrcweir { 186*cdf0e10cSrcweir return *maFont; 187*cdf0e10cSrcweir } 188*cdf0e10cSrcweir } 189