AOO410/main/drawinglayer/inc/drawinglayer/processor3d/zbufferprocessor3d.hxx

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#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX

#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/processor3d/defaultprocessor3d.hxx>
#include <vcl/bitmapex.hxx>

//////////////////////////////////////////////////////////////////////////////
// predefines

namespace basegfx {
	class BZPixelRaster;
}

namespace drawinglayer { 
	namespace attribute {
		class SdrSceneAttribute;
		class SdrLightingAttribute;
		class MaterialAttribute3D;
	}
	namespace geometry {
		class ViewInformation2D;
	}
}

class ZBufferRasterConverter3D;
class RasterPrimitive3D;

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

namespace drawinglayer
{
	namespace processor3d
	{
        /** ZBufferProcessor3D class

            This 3D renderer derived from DefaultProcessor3D renders all feeded primitives to a 2D 
            raster bitmap using a Z-Buffer based approach. It is able to supersample and to handle 
            transparent content.
         */
		class ZBufferProcessor3D : public DefaultProcessor3D
		{
		private:
			/// the raster target, a Z-Buffer
			basegfx::BZPixelRaster*								mpBZPixelRaster;

			/// inverse of EyeToView for rasterconversion with evtl. Phong shading
			basegfx::B3DHomMatrix								maInvEyeToView;

            /// The raster converter for Z-Buffer
			ZBufferRasterConverter3D*							mpZBufferRasterConverter3D;

            /*  AA value. Defines how many oversámples will be used in X and Y. Values 0, 1
                will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create
              */
			sal_uInt16											mnAntiAlialize;

            /*  remembered RasterPrimitive3D's which need to be painted back to front
                for transparent 3D parts
             */
            std::vector< RasterPrimitive3D >*                   mpRasterPrimitive3Ds;

			//////////////////////////////////////////////////////////////////////////////
			// rasterconversions for filled and non-filled polygons

            virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const;
			virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const;

		public:
			ZBufferProcessor3D(
				const geometry::ViewInformation3D& rViewInformation3D,
				const geometry::ViewInformation2D& rViewInformation2D, 
				const attribute::SdrSceneAttribute& rSdrSceneAttribute,
				const attribute::SdrLightingAttribute& rSdrLightingAttribute,
				double fSizeX,
				double fSizeY,
				const basegfx::B2DRange& rVisiblePart,
                sal_uInt16 nAntiAlialize);
			virtual ~ZBufferProcessor3D();

            void finish();

			/// get the result as bitmapEx
			BitmapEx getBitmapEx() const;
		};
	} // end of namespace processor3d
} // end of namespace drawinglayer

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

#endif //INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX

// eof