include/drawinglayer/processor2d/hittestprocessor2d.hxx

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  19
  20 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
  21 #define INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
  22
  23 #include <drawinglayer/drawinglayerdllapi.h>
  24
  25 #include <drawinglayer/processor2d/baseprocessor2d.hxx>
  26
  27 namespace basegfx { class B2DPolygon; }
  28 namespace basegfx { class B2DPolyPolygon; }
  29 namespace drawinglayer { namespace primitive2d { class ScenePrimitive2D; }}
  30
  31 namespace drawinglayer
  32 {
  33     namespace processor2d
  34     {
  35         /** HitTestProcessor2D class
  36
  37             This processor implements a HitTest with the feeded primitives,
  38             given tolerance and extras
  39          */
  40         class DRAWINGLAYER_DLLPUBLIC HitTestProcessor2D : public BaseProcessor2D
  41         {
  42         private:
  43             /// discrete HitTest position
  44             basegfx::B2DPoint           maDiscreteHitPosition;
  45
  46             /// discrete HitTolerance
  47             double                      mfDiscreteHitTolerance;
  48
  49             /// bitfield
  50             bool                        mbHit : 1;
  51             bool                        mbHitToleranceUsed : 1;
  52
  53             /*  this flag decides if primitives which are embedded to an
  54                 UnifiedTransparencePrimitive2D and are invisible will be taken into account for
  55                 HitTesting or not. Those primitives are created for objects which are else
  56                 completely invisible and normally their content exists of hairline
  57                 primitives describing the object's contour
  58              */
  59             bool                        mbUseInvisiblePrimitiveContent : 1;
  60
  61             /// flag to concentraze on text hits only
  62             bool                        mbHitTextOnly : 1;
  63
  64             /// If we are tiled rendering.
  65             bool mbTiledRendering;
  66
  67             /// tooling methods
  68             void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) SAL_OVERRIDE;
  69             bool checkHairlineHitWithTolerance(
  70                 const basegfx::B2DPolygon& rPolygon,
  71                 double fDiscreteHitTolerance);
  72             bool checkFillHitWithTolerance(
  73                 const basegfx::B2DPolyPolygon& rPolyPolygon,
  74                 double fDiscreteHitTolerance);
  75             void check3DHit(const primitive2d::ScenePrimitive2D& rCandidate);
  76
  77         public:
  78             HitTestProcessor2D(
  79                 const geometry::ViewInformation2D& rViewInformation,
  80                 const basegfx::B2DPoint& rLogicHitPosition,
  81                 double fLogicHitTolerance,
  82                 bool bHitTextOnly,
  83                 bool bTiledRendering);
  84             virtual ~HitTestProcessor2D();
  85
  86             /// data write access
  87             void setUseInvisiblePrimitiveContent(bool bNew)
  88             {
  89                 if((bool)mbUseInvisiblePrimitiveContent != bNew) mbUseInvisiblePrimitiveContent = bNew;
  90             }
  91
  92             /// data read access
  93             const basegfx::B2DPoint& getDiscreteHitPosition() const { return maDiscreteHitPosition; }
  94             double getDiscreteHitTolerance() const { return mfDiscreteHitTolerance; }
  95             bool getHit() const { return mbHit; }
  96             bool getHitToleranceUsed() const { return mbHitToleranceUsed; }
  97             bool getUseInvisiblePrimitiveContent() const { return mbUseInvisiblePrimitiveContent;}
  98             bool getHitTextOnly() const { return mbHitTextOnly; }
  99         };
 100     } // end of namespace processor2d
 101 } // end of namespace drawinglayer
 102
 103 #endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_HITTESTPROCESSOR2D_HXX
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */