drawinglayer/inc/processor3d/defaultprocessor3d.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  18  */
  19
  20 #pragma once
  21
  22 #include <drawinglayer/processor3d/baseprocessor3d.hxx>
  23 #include <basegfx/range/b2drange.hxx>
  24 #include <basegfx/color/bcolormodifier.hxx>
  25
  26 // predefines
  27
  28 namespace basegfx {
  29     class B3DPolygon;
  30     class B3DPolyPolygon;
  31 }
  32
  33 namespace drawinglayer::attribute {
  34     class SdrSceneAttribute;
  35     class SdrLightingAttribute;
  36     class MaterialAttribute3D;
  37 }
  38
  39 namespace drawinglayer::primitive3d {
  40     class PolygonHairlinePrimitive3D;
  41     class PolyPolygonMaterialPrimitive3D;
  42     class GradientTexturePrimitive3D;
  43     class HatchTexturePrimitive3D;
  44     class BitmapTexturePrimitive3D;
  45     class TransformPrimitive3D;
  46     class ModifiedColorPrimitive3D;
  47 }
  48
  49 namespace drawinglayer::texture {
  50     class GeoTexSvx;
  51 }
  52
  53
  54 namespace drawinglayer::processor3d
  55     {
  56         /** DefaultProcessor3D class
  57
  58             This processor renders all fed primitives to a 2D raster where for all
  59             primitives the two basic methods rasterconvertB3DPolygon for hairlines and
  60             rasterconvertB3DPolyPolygon for filled geometry is called. It is a baseclass to
  61             e.g. base a Z-Buffer supported renderer on the 3D primitive processing.
  62          */
  63         class DefaultProcessor3D : public BaseProcessor3D
  64         {
  65         protected:
  66             /// read-only scene infos (normal handling, etc...)
  67             const attribute::SdrSceneAttribute&                 mrSdrSceneAttribute;
  68
  69             /// read-only light infos (lights, etc...)
  70             const attribute::SdrLightingAttribute&              mrSdrLightingAttribute;
  71
  72             /// renderer range. Need to be correctly set by the derived implementations
  73             /// normally the (0, 0, W, H) range from mpBZPixelRaster
  74             basegfx::B2DRange                                   maRasterRange;
  75
  76             /// the modifiedColorPrimitive stack
  77             basegfx::BColorModifierStack                        maBColorModifierStack;
  78
  79             /// the current active texture
  80             std::shared_ptr< texture::GeoTexSvx >             mpGeoTexSvx;
  81
  82             /// the current active transparence texture
  83             std::shared_ptr< texture::GeoTexSvx >             mpTransparenceGeoTexSvx;
  84
  85             /// counter for entered transparence textures
  86             sal_uInt32                                          mnTransparenceCounter;
  87
  88             bool                                                mbModulate : 1;
  89             bool                                                mbFilter : 1;
  90             bool                                                mbSimpleTextureActive : 1;
  91
  92
  93             // rendering support
  94
  95             void impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence);
  96             void impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive);
  97             void impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive);
  98             void impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate);
  99             void impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive) const;
 100             void impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive) const;
 101             void impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate);
 102
 103
 104             // rasterconversions for filled and non-filled polygons. These NEED to be
 105             // implemented from derivations
 106
 107             virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const = 0;
 108             virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const = 0;
 109
 110             // the processing method for a single, known primitive
 111             virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive) override;
 112
 113         public:
 114             DefaultProcessor3D(
 115                 const geometry::ViewInformation3D& rViewInformation,
 116                 const attribute::SdrSceneAttribute& rSdrSceneAttribute,
 117                 const attribute::SdrLightingAttribute& rSdrLightingAttribute);
 118             virtual ~DefaultProcessor3D() override;
 119
 120             /// data read access
 121             const attribute::SdrSceneAttribute& getSdrSceneAttribute() const { return mrSdrSceneAttribute; }
 122             const attribute::SdrLightingAttribute& getSdrLightingAttribute() const { return mrSdrLightingAttribute; }
 123
 124             /// data read access renderer stuff
 125             const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
 126             const std::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
 127             const std::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
 128             sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
 129             bool getModulate() const { return mbModulate; }
 130             bool getFilter() const { return mbFilter; }
 131             bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
 132         };
 133
 134 } // end of namespace drawinglayer::processor3d
 135
 136
 137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */