canvas/source/directx/dx_textlayout.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_canvas.hxx"
  33
  34 #include <ctype.h> // don't ask. msdev breaks otherwise...
  35 #include <canvas/debug.hxx>
  36 #include <canvas/verbosetrace.hxx>
  37
  38 #include <basegfx/matrix/b2dhommatrix.hxx>
  39 #include <basegfx/numeric/ftools.hxx>
  40 #include "dx_bitmap.hxx"
  41 #include "dx_textlayout.hxx"
  42 #include "dx_spritecanvas.hxx"
  43 #include "dx_textlayout_drawhelper.hxx"
  44
  45
  46 using namespace ::com::sun::star;
  47
  48 namespace dxcanvas
  49 {
  50     TextLayout::TextLayout( const rendering::StringContext&     aText,
  51                             sal_Int8                            nDirection,
  52                             sal_Int64                           /*nRandomSeed*/,
  53                             const CanvasFont::ImplRef&          rFont ) :
  54         TextLayout_Base( m_aMutex ),
  55         maText( aText ),
  56         maLogicalAdvancements(),
  57         mpFont( rFont ),
  58         mnTextDirection( nDirection )
  59     {
  60     }
  61
  62     TextLayout::~TextLayout()
  63     {
  64     }
  65
  66     void SAL_CALL TextLayout::disposing()
  67     {
  68         mpFont.reset();
  69     }
  70
  71     // XTextLayout
  72     uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes(  ) throw (uno::RuntimeException)
  73     {
  74         ::osl::MutexGuard aGuard( m_aMutex );
  75
  76         // TODO
  77         return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
  78     }
  79
  80     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures(  ) throw (uno::RuntimeException)
  81     {
  82         ::osl::MutexGuard aGuard( m_aMutex );
  83
  84         // TODO
  85         return uno::Sequence< geometry::RealRectangle2D >();
  86     }
  87
  88     uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures(  ) throw (uno::RuntimeException)
  89     {
  90         ::osl::MutexGuard aGuard( m_aMutex );
  91
  92         // TODO
  93         return uno::Sequence< geometry::RealRectangle2D >();
  94     }
  95
  96     uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements(  ) throw (uno::RuntimeException)
  97     {
  98         ::osl::MutexGuard aGuard( m_aMutex );
  99
 100         return maLogicalAdvancements;
 101     }
 102
 103     void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 104     {
 105         ::osl::MutexGuard aGuard( m_aMutex );
 106
 107         if( aAdvancements.getLength() != maText.Length )
 108         {
 109             OSL_TRACE( "TextLayout::applyLogicalAdvancements(): mismatching number of advancements" );
 110             throw lang::IllegalArgumentException();
 111         }
 112
 113         maLogicalAdvancements = aAdvancements;
 114     }
 115
 116     geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( ) throw (uno::RuntimeException)
 117     {
 118         ::osl::MutexGuard aGuard( m_aMutex );
 119
 120         uno::Reference< rendering::XGraphicDevice > xGraphicDevice;
 121         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 122
 123         // render text
 124         const geometry::RealRectangle2D aBounds(
 125             aDrawHelper.queryTextBounds(
 126                 maText,
 127                 maLogicalAdvancements,
 128                 mpFont.getRef(),
 129                 mpFont->getFontMatrix()));
 130
 131         return aBounds;
 132     }
 133
 134     double SAL_CALL TextLayout::justify( double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 135     {
 136         ::osl::MutexGuard aGuard( m_aMutex );
 137
 138         // TODO
 139         return 0.0;
 140     }
 141
 142     double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
 143                                                  double /*nSize*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
 144     {
 145         ::osl::MutexGuard aGuard( m_aMutex );
 146
 147         // TODO
 148         return 0.0;
 149     }
 150
 151     rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ ) throw (uno::RuntimeException)
 152     {
 153         ::osl::MutexGuard aGuard( m_aMutex );
 154
 155         // TODO
 156         return rendering::TextHit();
 157     }
 158
 159     rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
 160                                                     sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 161     {
 162         ::osl::MutexGuard aGuard( m_aMutex );
 163
 164         // TODO
 165         return rendering::Caret();
 166     }
 167
 168     sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
 169                                                           sal_Int32 /*nCaretAdvancement*/,
 170                                                           sal_Bool /*bExcludeLigatures*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 171     {
 172         ::osl::MutexGuard aGuard( m_aMutex );
 173
 174         // TODO
 175         return 0;
 176     }
 177
 178     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
 179                                                                                               sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 180     {
 181         ::osl::MutexGuard aGuard( m_aMutex );
 182
 183         // TODO
 184         return uno::Reference< rendering::XPolyPolygon2D >();
 185     }
 186
 187     uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
 188                                                                                                sal_Int32 /*nEndIndex*/ ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
 189     {
 190         ::osl::MutexGuard aGuard( m_aMutex );
 191
 192         // TODO
 193         return uno::Reference< rendering::XPolyPolygon2D >();
 194     }
 195
 196     double SAL_CALL TextLayout::getBaselineOffset(  ) throw (uno::RuntimeException)
 197     {
 198         ::osl::MutexGuard aGuard( m_aMutex );
 199
 200         // TODO
 201         return 0.0;
 202     }
 203
 204     sal_Int8 SAL_CALL TextLayout::getMainTextDirection(  ) throw (uno::RuntimeException)
 205     {
 206         ::osl::MutexGuard aGuard( m_aMutex );
 207
 208         return mnTextDirection;
 209     }
 210
 211     uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont(  ) throw (uno::RuntimeException)
 212     {
 213         ::osl::MutexGuard aGuard( m_aMutex );
 214
 215         return mpFont.getRef();
 216     }
 217
 218     rendering::StringContext SAL_CALL TextLayout::getText(  ) throw (uno::RuntimeException)
 219     {
 220         ::osl::MutexGuard aGuard( m_aMutex );
 221
 222         return maText;
 223     }
 224
 225     namespace
 226     {
 227         // TODO(P2): Check whether this gets inlined. If not, make functor
 228         // out of it
 229         inline Gdiplus::PointF gdiPlusPointFromDx( const double& dx )
 230         {
 231             return Gdiplus::PointF( static_cast<Gdiplus::REAL>(dx),
 232                                     0.0f );
 233         }
 234     }
 235
 236     bool TextLayout::draw( const GraphicsSharedPtr&                           rGraphics,
 237                            const rendering::ViewState&                                            rViewState,
 238                            const rendering::RenderState&                                          rRenderState,
 239                            const ::basegfx::B2ISize&                                              rOutputOffset,
 240                            const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
 241                            bool                                               bAlphaSurface ) const
 242     {
 243         ::osl::MutexGuard aGuard( m_aMutex );
 244
 245         ::dxcanvas::TextLayoutDrawHelper aDrawHelper(xGraphicDevice);
 246
 247         // render text
 248         aDrawHelper.drawText(
 249             rGraphics,
 250             rViewState,
 251             rRenderState,
 252             rOutputOffset,
 253             maText,
 254             maLogicalAdvancements,
 255             mpFont.getRef(),
 256             mpFont->getFontMatrix(),
 257             bAlphaSurface);
 258
 259         return true;
 260     }
 261
 262
 263 #define SERVICE_NAME "com.sun.star.rendering.TextLayout"
 264 #define IMPLEMENTATION_NAME "DXCanvas::TextLayout"
 265
 266     ::rtl::OUString SAL_CALL TextLayout::getImplementationName() throw( uno::RuntimeException )
 267     {
 268         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
 269     }
 270
 271     sal_Bool SAL_CALL TextLayout::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
 272     {
 273         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
 274     }
 275
 276     uno::Sequence< ::rtl::OUString > SAL_CALL TextLayout::getSupportedServiceNames()  throw( uno::RuntimeException )
 277     {
 278         uno::Sequence< ::rtl::OUString > aRet(1);
 279         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
 280
 281         return aRet;
 282     }
 283 }