canvas/source/directx/dx_textlayout.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_canvas.hxx"
  30
  31 #include <ctype.h> // don't ask. msdev breaks otherwise...
  32 #include <canvas/debug.hxx>
  33 #include <canvas/verbosetrace.hxx>
  34
  35 #include <basegfx/matrix/b2dhommatrix.hxx>
  36 #include <basegfx/numeric/ftools.hxx>
  37 #include "dx_bitmap.hxx"
  38 #include "dx_textlayout.hxx"
  39 #include "dx_spritecanvas.hxx"
  40 #include "dx_textlayout_drawhelper.hxx"
  41
  42
  43 using namespace ::com::sun::star;
  44
  45 namespace dxcanvas
  46 {
  47     TextLayout::TextLayout( const rendering::StringContext&     aText,
  48                             sal_Int8                            nDirection,
  49                             sal_Int64                           /*nRandomSeed*/,
  50                             const CanvasFont::ImplRef&          rFont ) :
  51         TextLayout_Base( m_aMutex ),
  52         maText( aText ),
  53         maLogicalAdvancements(),
  54         mpFont( rFont ),
  55         mnTextDirection( nDirection )
  56     {
  57     }
  58
  59     TextLayout::~TextLayout()
  60     {
  61     }
  62
  63     void SAL_CALL TextLayout::disposing()
  64     {
  65         mpFont.reset();
  66     }
  67
  68     // XTextLayout
  69     uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes(  ) throw (uno::RuntimeException)
  70     {
  71         ::osl::MutexGuard aGuard( m_aMutex );
  72
  73         // TODO
  74         return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
  75     }
  76
  77     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures(  ) throw (uno::RuntimeException)
  78     {
  79         ::osl::MutexGuard aGuard( m_aMutex );
  80
  81         // TODO
  82         return uno::Sequence< geometry::RealRectangle2D >();
  83     }
  84
  85     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures(  ) throw (uno::RuntimeException)
  86     {
  87         ::osl::MutexGuard aGuard( m_aMutex );
  88
  89         // TODO
  90         return uno::Sequence< geometry::RealRectangle2D >();
  91     }
  92
  93     uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements(  ) throw (uno::RuntimeException)
  94     {
  95         ::osl::MutexGuard aGuard( m_aMutex );
  96
  97         return maLogicalAdvancements;
  98     }
  99
 100     void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 101     {
 102         ::osl::MutexGuard aGuard( m_aMutex );
 103
 104         if( aAdvancements.getLength() != maText.Length )
 105         {
 106             OSL_TRACE( "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
 107             throw lang::IllegalArgumentException();
 108         }
 109
 110         maLogicalAdvancements = aAdvancements;
 111     }
 112
 113     geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( ) throw (uno::RuntimeException)
 114     {
 115         ::osl::MutexGuard aGuard( m_aMutex );
 116
 117         uno::Reference< rendering::XGraphicDevice > xGraphicDevice;
 118         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 119
 120         // render text
 121         const geometry::RealRectangle2D aBounds(
 122             aDrawHelper.queryTextBounds(
 123                 maText,
 124                 maLogicalAdvancements,
 125                 mpFont.getRef(),
 126                 mpFont->getFontMatrix()));
 127
 128         return aBounds;
 129     }
 130
 131     double SAL_CALL TextLayout::justify( double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 132     {
 133         ::osl::MutexGuard aGuard( m_aMutex );
 134
 135         // TODO
 136         return 0.0;
 137     }
 138
 139     double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
 140                                                  double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 141     {
 142         ::osl::MutexGuard aGuard( m_aMutex );
 143
 144         // TODO
 145         return 0.0;
 146     }
 147
 148     rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ ) throw (uno::RuntimeException)
 149     {
 150         ::osl::MutexGuard aGuard( m_aMutex );
 151
 152         // TODO
 153         return rendering::TextHit();
 154     }
 155
 156     rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
 157                                                     sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 158     {
 159         ::osl::MutexGuard aGuard( m_aMutex );
 160
 161         // TODO
 162         return rendering::Caret();
 163     }
 164
 165     sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
 166                                                           sal_Int32 /*nCaretAdvancement*/,
 167                                                           sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 168     {
 169         ::osl::MutexGuard aGuard( m_aMutex );
 170
 171         // TODO
 172         return 0;
 173     }
 174
 175     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
 176                                                                                               sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 177     {
 178         ::osl::MutexGuard aGuard( m_aMutex );
 179
 180         // TODO
 181         return uno::Reference< rendering::XPolyPolygon2D >();
 182     }
 183
 184     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
 185                                                                                                sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 186     {
 187         ::osl::MutexGuard aGuard( m_aMutex );
 188
 189         // TODO
 190         return uno::Reference< rendering::XPolyPolygon2D >();
 191     }
 192
 193     double SAL_CALL TextLayout::getBaselineOffset(  ) throw (uno::RuntimeException)
 194     {
 195         ::osl::MutexGuard aGuard( m_aMutex );
 196
 197         // TODO
 198         return 0.0;
 199     }
 200
 201     sal_Int8 SAL_CALL TextLayout::getMainTextDirection(  ) throw (uno::RuntimeException)
 202     {
 203         ::osl::MutexGuard aGuard( m_aMutex );
 204
 205         return mnTextDirection;
 206     }
 207
 208     uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont(  ) throw (uno::RuntimeException)
 209     {
 210         ::osl::MutexGuard aGuard( m_aMutex );
 211
 212         return mpFont.getRef();
 213     }
 214
 215     rendering::StringContext SAL_CALL TextLayout::getText(  ) throw (uno::RuntimeException)
 216     {
 217         ::osl::MutexGuard aGuard( m_aMutex );
 218
 219         return maText;
 220     }
 221
 222     namespace
 223     {
 224         // TODO(P2): Check whether this gets inlined. If not, make functor
 225         // out of it
 226         inline Gdiplus::PointF gdiPlusPointFromDx( const double& dx )
 227         {
 228             return Gdiplus::PointF( static_cast<Gdiplus::REAL>(dx),
 229                                     0.0f );
 230         }
 231     }
 232
 233     bool TextLayout::draw( const GraphicsSharedPtr&                           rGraphics,
 234                            const rendering::ViewState&                        rViewState,
 235                            const rendering::RenderState&                      rRenderState,
 236                            const ::basegfx::B2ISize&                          rOutputOffset,
 237                            const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
 238                            bool                                               bAlphaSurface ) const
 239     {
 240         ::osl::MutexGuard aGuard( m_aMutex );
 241
 242         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 243
 244         // render text
 245         aDrawHelper.drawText(
 246             rGraphics,
 247             rViewState,
 248             rRenderState,
 249             rOutputOffset,
 250             maText,
 251             maLogicalAdvancements,
 252             mpFont.getRef(),
 253             mpFont->getFontMatrix(),
 254             bAlphaSurface);
 255
 256         return true;
 257     }
 258
 259
 260 #define SERVICE_NAME "com.sun.star.rendering.TextLayout"
 261 #define IMPLEMENTATION_NAME "DXCanvas::TextLayout"
 262
 263     ::rtl::OUString SAL_CALL TextLayout::getImplementationName() throw( uno::RuntimeException )
 264     {
 265         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
 266     }
 267
 268     sal_Bool SAL_CALL TextLayout::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
 269     {
 270         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
 271     }
 272
 273     uno::Sequence< ::rtl::OUString > SAL_CALL TextLayout::getSupportedServiceNames()  throw( uno::RuntimeException )
 274     {
 275         uno::Sequence< ::rtl::OUString > aRet(1);
 276         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
 277
 278         return aRet;
 279     }
 280 }