include/drawinglayer/processor3d/zbufferprocessor3d.hxx

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  19
  20 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
  21 #define INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
  22
  23 #include <drawinglayer/processor3d/defaultprocessor3d.hxx>
  24 #include <basegfx/matrix/b3dhommatrix.hxx>
  25 #include <memory>
  26
  27 namespace basegfx {
  28     class BZPixelRaster;
  29 }
  30
  31 namespace drawinglayer {
  32     namespace attribute {
  33         class SdrSceneAttribute;
  34         class SdrLightingAttribute;
  35         class MaterialAttribute3D;
  36     }
  37 }
  38
  39 class ZBufferRasterConverter3D;
  40 class RasterPrimitive3D;
  41
  42 namespace drawinglayer
  43 {
  44     namespace processor3d
  45     {
  46         /**
  47             This 3D renderer derived from DefaultProcessor3D renders all fed primitives to a 2D
  48             raster bitmap using a Z-Buffer based approach. It is able to supersample and to handle
  49             transparent content.
  50          */
  51         class ZBufferProcessor3D : public DefaultProcessor3D
  52         {
  53         private:
  54             /// inverse of EyeToView for rasterconversion with evtl. Phong shading
  55             basegfx::B3DHomMatrix maInvEyeToView;
  56
  57             /// The raster converter for Z-Buffer
  58             std::unique_ptr<ZBufferRasterConverter3D> mpZBufferRasterConverter3D;
  59
  60             /*  AA value. Defines how many oversamples will be used in X and Y. Values 0, 1
  61                 will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create
  62               */
  63             sal_uInt16 mnAntiAlialize;
  64
  65             /*  remembered RasterPrimitive3D's which need to be painted back to front
  66                 for transparent 3D parts
  67              */
  68             std::unique_ptr<std::vector< RasterPrimitive3D >> mpRasterPrimitive3Ds;
  69
  70             sal_uInt32 mnStartLine;
  71             sal_uInt32 mnStopLine;
  72
  73             // rasterconversions for filled and non-filled polygons
  74
  75             virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const override;
  76             virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const override;
  77
  78         public:
  79             ZBufferProcessor3D(
  80                 const geometry::ViewInformation3D& rViewInformation3D,
  81                 const attribute::SdrSceneAttribute& rSdrSceneAttribute,
  82                 const attribute::SdrLightingAttribute& rSdrLightingAttribute,
  83                 const basegfx::B2DRange& rVisiblePart,
  84                 sal_uInt16 nAntiAlialize,
  85                 double fFullViewSizeX,
  86                 double fFullViewSizeY,
  87                 basegfx::BZPixelRaster& rBZPixelRaster,
  88                 sal_uInt32 nStartLine,
  89                 sal_uInt32 nStopLine);
  90             virtual ~ZBufferProcessor3D() override;
  91
  92             void finish();
  93         };
  94     }
  95 }
  96
  97 #endif
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */