1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_canvas.hxx" 26 27 #include <canvas/debug.hxx> 28 29 #include <rtl/math.hxx> 30 #include <basegfx/numeric/ftools.hxx> 31 #include <i18npool/mslangid.hxx> 32 #include <vcl/metric.hxx> 33 34 #include <com/sun/star/rendering/PanoseProportion.hpp> 35 36 #include "canvasfont.hxx" 37 #include "textlayout.hxx" 38 39 using namespace ::com::sun::star; 40 41 42 namespace vclcanvas 43 { CanvasFont(const rendering::FontRequest & rFontRequest,const uno::Sequence<beans::PropertyValue> &,const geometry::Matrix2D & rFontMatrix,rendering::XGraphicDevice & rDevice,const OutDevProviderSharedPtr & rOutDevProvider)44 CanvasFont::CanvasFont( const rendering::FontRequest& rFontRequest, 45 const uno::Sequence< beans::PropertyValue >& , 46 const geometry::Matrix2D& rFontMatrix, 47 rendering::XGraphicDevice& rDevice, 48 const OutDevProviderSharedPtr& rOutDevProvider ) : 49 CanvasFont_Base( m_aMutex ), 50 maFont( Font( rFontRequest.FontDescription.FamilyName, 51 rFontRequest.FontDescription.StyleName, 52 Size( 0, ::basegfx::fround(rFontRequest.CellSize) ) ) ), 53 maFontRequest( rFontRequest ), 54 mpRefDevice( &rDevice ), 55 mpOutDevProvider( rOutDevProvider ) 56 { 57 maFont->SetAlign( ALIGN_BASELINE ); 58 maFont->SetCharSet( (rFontRequest.FontDescription.IsSymbolFont==com::sun::star::util::TriState_YES) ? RTL_TEXTENCODING_SYMBOL : RTL_TEXTENCODING_UNICODE ); 59 maFont->SetVertical( (rFontRequest.FontDescription.IsVertical==com::sun::star::util::TriState_YES) ? sal_True : sal_False ); 60 61 // TODO(F2): improve panose->vclenum conversion 62 maFont->SetWeight( static_cast<FontWeight>(rFontRequest.FontDescription.FontDescription.Weight) ); 63 maFont->SetItalic( (rFontRequest.FontDescription.FontDescription.Letterform<=8) ? ITALIC_NONE : ITALIC_NORMAL ); 64 maFont->SetPitch( 65 rFontRequest.FontDescription.FontDescription.Proportion == rendering::PanoseProportion::MONO_SPACED 66 ? PITCH_FIXED : PITCH_VARIABLE); 67 68 maFont->SetLanguage(MsLangId::convertLocaleToLanguage(rFontRequest.Locale)); 69 70 // adjust to stretched/shrunk font 71 if( !::rtl::math::approxEqual( rFontMatrix.m00, rFontMatrix.m11) ) 72 { 73 OutputDevice& rOutDev( rOutDevProvider->getOutDev() ); 74 75 const bool bOldMapState( rOutDev.IsMapModeEnabled() ); 76 rOutDev.EnableMapMode(sal_False); 77 78 const Size aSize = rOutDev.GetFontMetric( *maFont ).GetSize(); 79 80 const double fDividend( rFontMatrix.m10 + rFontMatrix.m11 ); 81 double fStretch = (rFontMatrix.m00 + rFontMatrix.m01); 82 83 if( !::basegfx::fTools::equalZero( fDividend) ) 84 fStretch /= fDividend; 85 86 const long nNewWidth = ::basegfx::fround( aSize.Width() * fStretch ); 87 88 maFont->SetWidth( nNewWidth ); 89 90 rOutDev.EnableMapMode(bOldMapState); 91 } 92 } 93 disposing()94 void SAL_CALL CanvasFont::disposing() 95 { 96 tools::LocalGuard aGuard; 97 98 mpOutDevProvider.reset(); 99 mpRefDevice.clear(); 100 } 101 createTextLayout(const rendering::StringContext & aText,sal_Int8 nDirection,sal_Int64 nRandomSeed)102 uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText, sal_Int8 nDirection, sal_Int64 nRandomSeed ) throw (uno::RuntimeException) 103 { 104 tools::LocalGuard aGuard; 105 106 if( !mpRefDevice.is() ) 107 return uno::Reference< rendering::XTextLayout >(); // we're disposed 108 109 return new TextLayout( aText, 110 nDirection, 111 nRandomSeed, 112 Reference( this ), 113 mpRefDevice, 114 mpOutDevProvider); 115 } 116 getFontRequest()117 rendering::FontRequest SAL_CALL CanvasFont::getFontRequest( ) throw (uno::RuntimeException) 118 { 119 tools::LocalGuard aGuard; 120 121 return maFontRequest; 122 } 123 getFontMetrics()124 rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics( ) throw (uno::RuntimeException) 125 { 126 tools::LocalGuard aGuard; 127 128 OutputDevice& rOutDev = mpOutDevProvider->getOutDev(); 129 VirtualDevice aVDev( rOutDev ); 130 aVDev.SetFont(getVCLFont()); 131 const ::FontMetric& aMetric( aVDev.GetFontMetric() ); 132 133 return rendering::FontMetrics( 134 aMetric.GetAscent(), 135 aMetric.GetDescent(), 136 aMetric.GetIntLeading(), 137 aMetric.GetExtLeading(), 138 0, 139 aMetric.GetDescent() / 2.0, 140 aMetric.GetAscent() / 2.0); 141 } 142 getAvailableSizes()143 uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes( ) throw (uno::RuntimeException) 144 { 145 tools::LocalGuard aGuard; 146 147 // TODO(F1) 148 return uno::Sequence< double >(); 149 } 150 getExtraFontProperties()151 uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties( ) throw (uno::RuntimeException) 152 { 153 tools::LocalGuard aGuard; 154 155 // TODO(F1) 156 return uno::Sequence< beans::PropertyValue >(); 157 } 158 159 #define IMPLEMENTATION_NAME "VCLCanvas::CanvasFont" 160 #define SERVICE_NAME "com.sun.star.rendering.CanvasFont" 161 getImplementationName()162 ::rtl::OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException ) 163 { 164 return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 165 } 166 supportsService(const::rtl::OUString & ServiceName)167 sal_Bool SAL_CALL CanvasFont::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) 168 { 169 return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 170 } 171 getSupportedServiceNames()172 uno::Sequence< ::rtl::OUString > SAL_CALL CanvasFont::getSupportedServiceNames() throw( uno::RuntimeException ) 173 { 174 uno::Sequence< ::rtl::OUString > aRet(1); 175 aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 176 177 return aRet; 178 } 179 getVCLFont() const180 ::Font CanvasFont::getVCLFont() const 181 { 182 return *maFont; 183 } 184 } 185