cppcanvas/source/wrapper/implcanvas.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_cppcanvas.hxx"
  33
  34 #include <rtl/ustring.hxx>
  35 #include <basegfx/matrix/b2dhommatrix.hxx>
  36 #include <basegfx/polygon/b2dpolypolygon.hxx>
  37 #include <basegfx/tools/canvastools.hxx>
  38
  39 #include <com/sun/star/rendering/XCanvas.hpp>
  40
  41 #include <canvas/canvastools.hxx>
  42 #include <cppcanvas/polypolygon.hxx>
  43
  44 #include "implfont.hxx"
  45 #include "implcolor.hxx"
  46 #include "implcanvas.hxx"
  47
  48
  49 using namespace ::com::sun::star;
  50
  51 namespace cppcanvas
  52 {
  53     namespace internal
  54     {
  55
  56         ImplCanvas::ImplCanvas( const uno::Reference< rendering::XCanvas >& xCanvas ) :
  57             maViewState(),
  58             maClipPolyPolygon(),
  59             mxCanvas( xCanvas )
  60         {
  61             OSL_ENSURE( mxCanvas.is(), "Canvas::Canvas() invalid XCanvas" );
  62
  63             ::canvas::tools::initViewState( maViewState );
  64         }
  65
  66         ImplCanvas::~ImplCanvas()
  67         {
  68         }
  69
  70         void ImplCanvas::setTransformation( const ::basegfx::B2DHomMatrix& rMatrix )
  71         {
  72             ::canvas::tools::setViewStateTransform( maViewState, rMatrix );
  73         }
  74
  75         ::basegfx::B2DHomMatrix ImplCanvas::getTransformation() const
  76         {
  77             ::basegfx::B2DHomMatrix aMatrix;
  78             return ::canvas::tools::getViewStateTransform( aMatrix,
  79                                                            maViewState );
  80         }
  81
  82         void ImplCanvas::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
  83         {
  84             // TODO(T3): not thread-safe. B2DPolyPolygon employs copy-on-write
  85             maClipPolyPolygon.reset( rClipPoly );
  86             maViewState.Clip.clear();
  87         }
  88
  89         void ImplCanvas::setClip()
  90         {
  91             maClipPolyPolygon.reset();
  92             maViewState.Clip.clear();
  93         }
  94
  95         ::basegfx::B2DPolyPolygon const* ImplCanvas::getClip() const
  96         {
  97             return !maClipPolyPolygon ? NULL : &(*maClipPolyPolygon);
  98         }
  99
 100         FontSharedPtr ImplCanvas::createFont( const ::rtl::OUString& rFontName, const double& rCellSize ) const
 101         {
 102             return FontSharedPtr( new ImplFont( getUNOCanvas(), rFontName, rCellSize ) );
 103         }
 104
 105         ColorSharedPtr ImplCanvas::createColor() const
 106         {
 107             return ColorSharedPtr( new ImplColor( getUNOCanvas()->getDevice() ) );
 108         }
 109
 110         CanvasSharedPtr ImplCanvas::clone() const
 111         {
 112             return CanvasSharedPtr( new ImplCanvas( *this ) );
 113         }
 114
 115         void ImplCanvas::clear() const
 116         {
 117             OSL_ENSURE( mxCanvas.is(), "ImplCanvas::clear(): Invalid XCanvas" );
 118             mxCanvas->clear();
 119         }
 120
 121         uno::Reference< rendering::XCanvas > ImplCanvas::getUNOCanvas() const
 122         {
 123             OSL_ENSURE( mxCanvas.is(), "ImplCanvas::getUNOCanvas(): Invalid XCanvas" );
 124
 125             return mxCanvas;
 126         }
 127
 128         rendering::ViewState ImplCanvas::getViewState() const
 129         {
 130             if( maClipPolyPolygon && !maViewState.Clip.is() )
 131             {
 132                 if( !mxCanvas.is() )
 133                     return maViewState;
 134
 135                 maViewState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
 136                     mxCanvas->getDevice(),
 137                     *maClipPolyPolygon );
 138             }
 139
 140             return maViewState;
 141         }
 142
 143     }
 144 }