AOO410/main/drawinglayer/inc/drawinglayer/processor3d/defaultprocessor3d.hxx

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#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_DEFAULTPROCESSOR3D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR3D_DEFAULTPROCESSOR3D_HXX

#include <drawinglayer/drawinglayerdllapi.h>
#include <drawinglayer/processor3d/baseprocessor3d.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <svtools/optionsdrawinglayer.hxx>
#include <boost/shared_ptr.hpp>

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

namespace basegfx {
	class BZPixelRaster;
	class B3DPolygon;
	class B3DPolyPolygon;
}

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

namespace drawinglayer { namespace primitive3d {
	class PolygonHairlinePrimitive3D;
	class PolyPolygonMaterialPrimitive3D;
	class GradientTexturePrimitive3D;
	class HatchTexturePrimitive3D;
	class BitmapTexturePrimitive3D;
	class TransformPrimitive3D;
	class ModifiedColorPrimitive3D;
}}

namespace drawinglayer { namespace texture {
	class GeoTexSvx;
}}

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

namespace drawinglayer
{
	namespace processor3d
	{
        /** DefaultProcessor3D class

            This processor renders all feeded primitives to a 2D raster where for all
            primitives the two basic methods rasterconvertB3DPolygon for hairlines and
            rasterconvertB3DPolyPolygon for filled geometry is called. It is a beseclass to 
            e.g. base a Z-Buffer supported renderer on the 3D primitive processing.
         */
		class DefaultProcessor3D : public BaseProcessor3D
		{
		protected:
            /// read-only scene infos (normal handling, etc...)
			const attribute::SdrSceneAttribute&					mrSdrSceneAttribute;	

            /// read-only light infos (lights, etc...)
			const attribute::SdrLightingAttribute&				mrSdrLightingAttribute;	

			/// renderer range. Need to be correctly set by the derived implementations
            /// normally the (0, 0, W, H) range from mpBZPixelRaster
			basegfx::B2DRange									maRasterRange;			

			/// the modifiedColorPrimitive stack
			basegfx::BColorModifierStack						maBColorModifierStack;

			/// the current active texture
            boost::shared_ptr< texture::GeoTexSvx >				mpGeoTexSvx;

			/// the current active transparence texture
			boost::shared_ptr< texture::GeoTexSvx >				mpTransparenceGeoTexSvx;

			/// SvtOptionsDrawinglayer incarnation to react on diverse settings
            const SvtOptionsDrawinglayer						maDrawinglayerOpt;

            /// counter for entered transparence textures
            sal_uInt32                                          mnTransparenceCounter;

			/// bitfield
			unsigned											mbModulate : 1;
			unsigned											mbFilter : 1;
			unsigned											mbSimpleTextureActive : 1;

			//////////////////////////////////////////////////////////////////////////////
			// rendering support
			
            void impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence);
			void impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive);
			void impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive);
			void impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate);
			void impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive);
			void impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive);
			void impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate);

			//////////////////////////////////////////////////////////////////////////////
			// rasterconversions for filled and non-filled polygons. These NEED to be
			// implemented from derivations
			
            virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const = 0;
			virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const = 0;

			// the processing method for a single, known primitive
			virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive);

		public:
			DefaultProcessor3D(
				const geometry::ViewInformation3D& rViewInformation,
				const attribute::SdrSceneAttribute& rSdrSceneAttribute,
				const attribute::SdrLightingAttribute& rSdrLightingAttribute);
			virtual ~DefaultProcessor3D();

			/// data read access
			const attribute::SdrSceneAttribute& getSdrSceneAttribute() const { return mrSdrSceneAttribute; }
			const attribute::SdrLightingAttribute& getSdrLightingAttribute() const { return mrSdrLightingAttribute; }
			
			/// data read access renderer stuff
			const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
			const boost::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
			const boost::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
            sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
			bool getModulate() const { return mbModulate; }
			bool getFilter() const { return mbFilter; }
			bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
			
			/// access to Drawinglayer configuration options
			const SvtOptionsDrawinglayer& getOptionsDrawinglayer() const { return maDrawinglayerOpt; }
		};
	} // end of namespace processor3d
} // end of namespace drawinglayer

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

#endif // INCLUDED_DRAWINGLAYER_PROCESSOR3D_DEFAULTPROCESSOR3D_HXX

// eof