office-gobmx/include/drawinglayer/primitive2d/fillhatchprimitive2d.hxx

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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLHATCHPRIMITIVE2D_HXX
#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLHATCHPRIMITIVE2D_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
#include <drawinglayer/primitive2d/primitivetools2d.hxx>
#include <drawinglayer/attribute/fillhatchattribute.hxx>
#include <basegfx/color/bcolor.hxx>


// FillHatchPrimitive2D class

namespace drawinglayer
{
    namespace primitive2d
    {
        /** FillHatchPrimitive2D class

            This class defines a hatch filling for a rectangular area. The
            Range is defined by the Transformation, the hatch by the FillHatchAttribute.
            If the background is to be filled, a flag in FillHatchAttribute is set and
            the BColor defines the background color.

            #i120230# This primitive is now evtl. metric dependent due to the value
            MinimalDiscreteDistance in the FillHatchAttribute if the value is not zero.
            This is used for a more appealing, VCL-like visualisation by not letting the
            distances get too small between lines.

            The decomposition will deliver the hatch lines.
         */
        class DRAWINGLAYER_DLLPUBLIC FillHatchPrimitive2D : public DiscreteMetricDependentPrimitive2D
        {
        private:
            /// the geometrically visible area
            basegfx::B2DRange                       maOutputRange;

            /// the area the gradient definition is based on
            /// in the simplest case identical to OutputRange
            basegfx::B2DRange                       maDefinitionRange;

            /// the hatch definition
            attribute::FillHatchAttribute           maFillHatch;

            /// hatch background color (if used)
            basegfx::BColor                         maBColor;

        protected:
            /// local decomposition.
            virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

        public:
            /// constructors. The one without definition range will use output range as definition range
            FillHatchPrimitive2D(
                const basegfx::B2DRange& rOutputRange,
                const basegfx::BColor& rBColor,
                const attribute::FillHatchAttribute& rFillHatch);
            FillHatchPrimitive2D(
                const basegfx::B2DRange& rOutputRange,
                const basegfx::B2DRange& rDefinitionRange,
                const basegfx::BColor& rBColor,
                const attribute::FillHatchAttribute& rFillHatch);

            /// data read access
            const basegfx::B2DRange& getOutputRange() const { return maOutputRange; }
            const basegfx::B2DRange& getDefinitionRange() const { return maDefinitionRange; }
            const attribute::FillHatchAttribute& getFillHatch() const { return maFillHatch; }
            const basegfx::BColor& getBColor() const { return maBColor; }

            /// compare operator
            virtual bool operator==(const BasePrimitive2D& rPrimitive) const SAL_OVERRIDE;

            /// get range
            virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

            /// get local decomposition. Overloaded since this decomposition is view-dependent
            virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

            /// provide unique ID
            DeclPrimitive2DIDBlock()
        };
    } // end of namespace primitive2d
} // end of namespace drawinglayer



#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLHATCHPRIMITIVE2D_HXX

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