include/drawinglayer/primitive2d/discreteshadowprimitive2d.hxx

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  19
  20 #pragma once
  21
  22 #include <drawinglayer/drawinglayerdllapi.h>
  23
  24 #include <drawinglayer/primitive2d/primitivetools2d.hxx>
  25 #include <vcl/bitmapex.hxx>
  26 #include <basegfx/matrix/b2dhommatrix.hxx>
  27
  28
  29 // DiscreteShadowPrimitive2D class
  30
  31 namespace drawinglayer::primitive2d
  32 {
  33         /** DiscreteShadow data class
  34
  35          */
  36         class DRAWINGLAYER_DLLPUBLIC DiscreteShadow
  37         {
  38         private:
  39             /// the original shadow BitmapEx in a special form
  40             BitmapEx                    maBitmapEx;
  41
  42             /// buffered extracted parts of CombinedShadow for easier usage
  43             BitmapEx                    maTopLeft;
  44             BitmapEx                    maTop;
  45             BitmapEx                    maTopRight;
  46             BitmapEx                    maRight;
  47             BitmapEx                    maBottomRight;
  48             BitmapEx                    maBottom;
  49             BitmapEx                    maBottomLeft;
  50             BitmapEx                    maLeft;
  51
  52         public:
  53             /// constructor
  54             explicit DiscreteShadow(const BitmapEx& rBitmapEx);
  55
  56             /// data read access
  57             const BitmapEx& getBitmapEx() const { return maBitmapEx; }
  58
  59             /// compare operator
  60             bool operator==(const DiscreteShadow& rCompare) const
  61             {
  62                 return getBitmapEx() == rCompare.getBitmapEx();
  63             }
  64
  65             /// helper accesses which create on-demand needed segments
  66             const BitmapEx& getTopLeft() const;
  67             const BitmapEx& getTop() const;
  68             const BitmapEx& getTopRight() const;
  69             const BitmapEx& getRight() const;
  70             const BitmapEx& getBottomRight() const;
  71             const BitmapEx& getBottom() const;
  72             const BitmapEx& getBottomLeft() const;
  73             const BitmapEx& getLeft() const;
  74         };
  75
  76         /** DiscreteShadowPrimitive2D class
  77
  78          */
  79         class DRAWINGLAYER_DLLPUBLIC DiscreteShadowPrimitive2D final : public DiscreteMetricDependentPrimitive2D
  80         {
  81         private:
  82             // the object transformation of the rectangular object
  83             basegfx::B2DHomMatrix       maTransform;
  84
  85             // the bitmap shadow data
  86             DiscreteShadow              maDiscreteShadow;
  87
  88             /// create local decomposition
  89             virtual Primitive2DReference create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const override;
  90
  91         public:
  92             /// constructor
  93             DiscreteShadowPrimitive2D(
  94                 const basegfx::B2DHomMatrix& rTransform,
  95                 const DiscreteShadow& rDiscreteShadow);
  96
  97             /// data read access
  98             const basegfx::B2DHomMatrix& getTransform() const { return maTransform; }
  99             const DiscreteShadow& getDiscreteShadow() const { return maDiscreteShadow; }
 100
 101             /// compare operator
 102             virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
 103
 104             /// get range
 105             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
 106
 107             /// provide unique ID
 108             virtual sal_uInt32 getPrimitive2DID() const override;
 109         };
 110 } // end of namespace drawinglayer::primitive2d
 111
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */