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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_DRAWINGLAYER_TEXTURE_TEXTURE_HXX
#define INCLUDED_DRAWINGLAYER_TEXTURE_TEXTURE_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/color/bcolor.hxx>
#include <basegfx/utils/gradienttools.hxx>
#include <vector>


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvx
        {
        public:
            GeoTexSvx();
            virtual ~GeoTexSvx();

            // compare operator
            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const;
            bool operator!=(const GeoTexSvx& rGeoTexSvx) const { return !operator==(rGeoTexSvx); }

            // virtual base methods
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const;
            virtual void modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        /// helper class for processing equal number of matrices and colors
        /// for texture processing
        struct B2DHomMatrixAndBColor
        {
            basegfx::B2DHomMatrix   maB2DHomMatrix;
            basegfx::BColor         maBColor;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradient : public GeoTexSvx
        {
        protected:
            basegfx::ODFGradientInfo            maGradientInfo;
            basegfx::B2DRange                   maDefinitionRange;
            basegfx::BColor                     maStart;
            basegfx::BColor                     maEnd;
            double                              mfBorder;

        public:
            GeoTexSvxGradient(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                double fBorder);
            virtual ~GeoTexSvxGradient() override;

            // compare operator
            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;

            // virtual base methods
            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) = 0;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientLinear final : public GeoTexSvxGradient
        {
            double                  mfUnitMinX;
            double                  mfUnitWidth;
            double                  mfUnitMaxY;

        public:
            GeoTexSvxGradientLinear(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::B2DRange& rOutputRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fAngle);
            virtual ~GeoTexSvxGradientLinear() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientAxial final : public GeoTexSvxGradient
        {
            double                  mfUnitMinX;
            double                  mfUnitWidth;

        public:
            GeoTexSvxGradientAxial(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::B2DRange& rOutputRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fAngle);
            virtual ~GeoTexSvxGradientAxial() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientRadial : public GeoTexSvxGradient
        {
        public:
            GeoTexSvxGradientRadial(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fOffsetX,
                double fOffsetY);
            virtual ~GeoTexSvxGradientRadial() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientElliptical : public GeoTexSvxGradient
        {
        public:
            GeoTexSvxGradientElliptical(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fOffsetX,
                double fOffsetY,
                double fAngle);
            virtual ~GeoTexSvxGradientElliptical() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientSquare : public GeoTexSvxGradient
        {
        public:
            GeoTexSvxGradientSquare(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fOffsetX,
                double fOffsetY,
                double fAngle);
            virtual ~GeoTexSvxGradientSquare() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxGradientRect : public GeoTexSvxGradient
        {
        public:
            GeoTexSvxGradientRect(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rStart,
                const basegfx::BColor& rEnd,
                sal_uInt32 nSteps,
                double fBorder,
                double fOffsetX,
                double fOffsetY,
                double fAngle);
            virtual ~GeoTexSvxGradientRect() override;

            virtual void appendTransformationsAndColors(
                std::vector< B2DHomMatrixAndBColor >& rEntries,
                basegfx::BColor& rOuterColor) override;
            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxHatch final : public GeoTexSvx
        {
            basegfx::B2DRange                   maOutputRange;
            basegfx::B2DHomMatrix               maTextureTransform;
            basegfx::B2DHomMatrix               maBackTextureTransform;
            double                              mfDistance;
            double                              mfAngle;
            sal_uInt32                          mnSteps;

            bool                                mbDefinitionRangeEqualsOutputRange : 1;

        public:
            GeoTexSvxHatch(
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::B2DRange& rOutputRange,
                double fDistance,
                double fAngle);
            virtual ~GeoTexSvxHatch() override;

            // compare operator
            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;

            void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices);
            double getDistanceToHatch(const basegfx::B2DPoint& rUV) const;
            const basegfx::B2DHomMatrix& getBackTextureTransform() const;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


namespace drawinglayer
{
    namespace texture
    {
        // This class applies a tiling to the unit range. The given range
        // will be repeated inside the unit range in X and Y and for each
        // tile a matrix will be created (by appendTransformations) that
        // represents the needed transformation to map a filling in unit
        // coordinates to that tile.
        // When offsetX is given, every 2nd line will be offsetted by the
        // given percentage value (offsetX has to be 0.0 <= offsetX <= 1.0).
        // Accordingly to offsetY. If both are given, offsetX is preferred
        // and offsetY is ignored.
        class DRAWINGLAYER_DLLPUBLIC GeoTexSvxTiled final : public GeoTexSvx
        {
            basegfx::B2DRange               maRange;
            double                          mfOffsetX;
            double                          mfOffsetY;

            sal_Int32 iterateTiles(::std::vector< basegfx::B2DHomMatrix >* pMatrices) const;

        public:
            GeoTexSvxTiled(
                const basegfx::B2DRange& rRange,
                double fOffsetX = 0.0,
                double fOffsetY = 0.0);
            virtual ~GeoTexSvxTiled() override;

            // compare operator
            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;

            void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices) const;
            sal_uInt32 getNumberOfTiles() const;
        };
    } // end of namespace texture
} // end of namespace drawinglayer


#endif //_DRAWINGLAYER_TEXTURE_TEXTURE_HXX

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