shadowprimitive2d.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <drawinglayer/drawinglayerdllapi.h>
 
#include <drawinglayer/primitive2d/BufferedDecompositionGroupPrimitive2D.hxx>
#include <basegfx/color/bcolor.hxx>
 
namespace drawinglayer::primitive2d
{
class DRAWINGLAYER_DLLPUBLIC ShadowPrimitive2D final : public BufferedDecompositionGroupPrimitive2D
{
private:
    basegfx::B2DHomMatrix maShadowTransform;
 
    basegfx::BColor maShadowColor;
 
    double mfShadowBlur;
 
    double mfLastDiscreteBlurRadius;
    basegfx::B2DRange maLastClippedRange;
 
    void getFullyEmbeddedShadowPrimitives(Primitive2DContainer& rContainer) const;
    bool prepareValuesAndcheckValidity(basegfx::B2DRange& rRange, basegfx::B2DRange& rClippedRange,
                                       basegfx::B2DVector& rDiscreteSize,
                                       double& rfDiscreteBlurRadius,
                                       const geometry::ViewInformation2D& rViewInformation) const;
 
protected:
    virtual void
    create2DDecomposition(Primitive2DContainer& rContainer,
                          const geometry::ViewInformation2D& rViewInformation) const override;
 
public:
    ShadowPrimitive2D(basegfx::B2DHomMatrix aShadowTransform, const basegfx::BColor& rShadowColor,
                      double fShadowBlur, Primitive2DContainer&& aChildren);
 
    const basegfx::B2DHomMatrix& getShadowTransform() const { return maShadowTransform; }
    const basegfx::BColor& getShadowColor() const { return maShadowColor; }
    double getShadowBlur() const { return mfShadowBlur; }
 
    virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
 
    virtual basegfx::B2DRange
    getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override;
 
    virtual void
    get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor,
                       const geometry::ViewInformation2D& rViewInformation) const override;
 
    virtual sal_uInt32 getPrimitive2DID() const override;
};
} // end of namespace drawinglayer::primitive2d
 
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