AOO410/main/drawinglayer/inc/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/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.

            #120230# 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 geometric definition
			basegfx::B2DRange						maObjectRange;

            /// 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;

        public:
            /// constructor
			FillHatchPrimitive2D(
				const basegfx::B2DRange& rObjectRange, 
				const basegfx::BColor& rBColor, 
				const attribute::FillHatchAttribute& rFillHatch);

			/// data read access
			const basegfx::B2DRange& getObjectRange() const { return maObjectRange; }
			const attribute::FillHatchAttribute& getFillHatch() const { return maFillHatch; }
			const basegfx::BColor& getBColor() const { return maBColor; }

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

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

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

            /// provide unique ID
			DeclPrimitrive2DIDBlock()
		};
	} // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLHATCHPRIMITIVE2D_HXX

//////////////////////////////////////////////////////////////////////////////
// eof