cppcanvas/source/mtfrenderer/pointaction.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/logfile.hxx>
  35 #include <com/sun/star/rendering/XCanvas.hpp>
  36
  37 #include <tools/gen.hxx>
  38 #include <vcl/canvastools.hxx>
  39
  40 #include <basegfx/range/b2drange.hxx>
  41 #include <basegfx/point/b2dpoint.hxx>
  42 #include <basegfx/tools/canvastools.hxx>
  43 #include <canvas/canvastools.hxx>
  44
  45 #include <boost/utility.hpp>
  46
  47 #include "pointaction.hxx"
  48 #include "outdevstate.hxx"
  49 #include "cppcanvas/canvas.hxx"
  50 #include "mtftools.hxx"
  51
  52
  53 using namespace ::com::sun::star;
  54
  55 namespace cppcanvas
  56 {
  57     namespace internal
  58     {
  59         namespace
  60         {
  61             class PointAction : public Action, private ::boost::noncopyable
  62             {
  63             public:
  64                 PointAction( const ::basegfx::B2DPoint&,
  65                              const CanvasSharedPtr&,
  66                              const OutDevState& );
  67                 PointAction( const ::basegfx::B2DPoint&,
  68                              const CanvasSharedPtr&,
  69                              const OutDevState&,
  70                              const ::Color&             );
  71
  72                 virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
  73                 virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
  74                                      const Subset&                                      rSubset ) const;
  75
  76                 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
  77                 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&   rTransformation,
  78                                                        const Subset&                                    rSubset ) const;
  79
  80                 virtual sal_Int32 getActionCount() const;
  81
  82             private:
  83                 // default: disabled copy/assignment
  84                 PointAction(const PointAction&);
  85                 PointAction& operator = ( const PointAction& );
  86
  87                 ::basegfx::B2DPoint                                                     maPoint;
  88                 CanvasSharedPtr                                                         mpCanvas;
  89                 ::com::sun::star::rendering::RenderState        maState;
  90             };
  91
  92             PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
  93                                       const CanvasSharedPtr&     rCanvas,
  94                                       const OutDevState&                 rState ) :
  95                 maPoint( rPoint ),
  96                 mpCanvas( rCanvas ),
  97                 maState()
  98             {
  99                 tools::initRenderState(maState,rState);
 100                 maState.DeviceColor = rState.lineColor;
 101             }
 102
 103             PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
 104                                       const CanvasSharedPtr&     rCanvas,
 105                                       const OutDevState&                 rState,
 106                                       const ::Color&                     rAltColor ) :
 107                 maPoint( rPoint ),
 108                 mpCanvas( rCanvas ),
 109                 maState()
 110             {
 111                 tools::initRenderState(maState,rState);
 112                 maState.DeviceColor = ::vcl::unotools::colorToDoubleSequence(
 113                     rAltColor,
 114                     rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
 115             }
 116
 117             bool PointAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
 118             {
 119                 RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PointAction::render()" );
 120                 RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PointAction: 0x%X", this );
 121
 122                 rendering::RenderState aLocalState( maState );
 123                 ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
 124
 125                 mpCanvas->getUNOCanvas()->drawPoint( ::basegfx::unotools::point2DFromB2DPoint(maPoint),
 126                                                      mpCanvas->getViewState(),
 127                                                      aLocalState );
 128
 129                 return true;
 130             }
 131
 132             bool PointAction::render( const ::basegfx::B2DHomMatrix&    rTransformation,
 133                                       const Subset&                                             rSubset ) const
 134             {
 135                 // point only contains a single action, fail if subset
 136                 // requests different range
 137                 if( rSubset.mnSubsetBegin != 0 ||
 138                     rSubset.mnSubsetEnd != 1 )
 139                     return false;
 140
 141                 return render( rTransformation );
 142             }
 143
 144             ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix&  rTransformation ) const
 145             {
 146                 rendering::RenderState aLocalState( maState );
 147                 ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
 148
 149                 return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maPoint.getX()-1,
 150                                                                           maPoint.getY()-1,
 151                                                                           maPoint.getX()+1,
 152                                                                           maPoint.getY()+1 ),
 153                                                      mpCanvas->getViewState(),
 154                                                      aLocalState );
 155             }
 156
 157             ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix&  rTransformation,
 158                                                         const Subset&                                   rSubset ) const
 159             {
 160                 // point only contains a single action, empty bounds
 161                 // if subset requests different range
 162                 if( rSubset.mnSubsetBegin != 0 ||
 163                     rSubset.mnSubsetEnd != 1 )
 164                     return ::basegfx::B2DRange();
 165
 166                 return getBounds( rTransformation );
 167             }
 168
 169             sal_Int32 PointAction::getActionCount() const
 170             {
 171                 return 1;
 172             }
 173         }
 174
 175         ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
 176                                                                const CanvasSharedPtr&     rCanvas,
 177                                                                const OutDevState&         rState )
 178         {
 179             return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState ) );
 180         }
 181
 182         ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
 183                                                                const CanvasSharedPtr&     rCanvas,
 184                                                                const OutDevState&         rState,
 185                                                                const ::Color&             rColor        )
 186         {
 187             return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState, rColor ) );
 188         }
 189     }
 190 }