drawinglayer/source/processor3d/geometry2dextractor.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  15  *   License, Version 2.0 (the "License"); you may not use this file
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <processor3d/geometry2dextractor.hxx>
  21 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
  22 #include <drawinglayer/primitive3d/transformprimitive3d.hxx>
  23 #include <drawinglayer/primitive3d/modifiedcolorprimitive3d.hxx>
  24 #include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
  25 #include <basegfx/polygon/b2dpolygontools.hxx>
  26 #include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
  27 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  28 #include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
  29 #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
  30 #include <primitive3d/textureprimitive3d.hxx>
  31 #include <utility>
  32
  33
  34 using namespace com::sun::star;
  35
  36
  37 namespace drawinglayer::processor3d
  38 {
  39         // as tooling, the process() implementation takes over API handling and calls this
  40         // virtual render method when the primitive implementation is BasePrimitive3D-based.
  41         void Geometry2DExtractingProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate)
  42         {
  43             // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch
  44             switch(rCandidate.getPrimitive3DID())
  45             {
  46                 case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D :
  47                 {
  48                     // transform group. Remember current transformations
  49                     const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate);
  50                     const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D());
  51
  52                     // create new transformation; add new object transform from right side
  53                     const geometry::ViewInformation3D aNewViewInformation3D(
  54                         aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(),
  55                         aLastViewInformation3D.getOrientation(),
  56                         aLastViewInformation3D.getProjection(),
  57                         aLastViewInformation3D.getDeviceToView(),
  58                         aLastViewInformation3D.getViewTime(),
  59                         aLastViewInformation3D.getExtendedInformationSequence());
  60                     updateViewInformation(aNewViewInformation3D);
  61
  62                     // let break down recursively
  63                     process(rPrimitive.getChildren());
  64
  65                     // restore transformations
  66                     updateViewInformation(aLastViewInformation3D);
  67                     break;
  68                 }
  69                 case PRIMITIVE3D_ID_MODIFIEDCOLORPRIMITIVE3D :
  70                 {
  71                     // ModifiedColorPrimitive3D; push, process and pop
  72                     const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate = static_cast< const primitive3d::ModifiedColorPrimitive3D& >(rCandidate);
  73                     const primitive3d::Primitive3DContainer& rSubSequence = rModifiedCandidate.getChildren();
  74
  75                     if(!rSubSequence.empty())
  76                     {
  77                         maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
  78                         process(rModifiedCandidate.getChildren());
  79                         maBColorModifierStack.pop();
  80                     }
  81                     break;
  82                 }
  83                 case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D :
  84                 {
  85                     // PolygonHairlinePrimitive3D
  86                     const primitive3d::PolygonHairlinePrimitive3D& rPrimitive = static_cast< const primitive3d::PolygonHairlinePrimitive3D& >(rCandidate);
  87                     basegfx::B2DPolygon a2DHairline(basegfx::utils::createB2DPolygonFromB3DPolygon(rPrimitive.getB3DPolygon(), getViewInformation3D().getObjectToView()));
  88
  89                     if(a2DHairline.count())
  90                     {
  91                         a2DHairline.transform(getObjectTransformation());
  92                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor()));
  93                         const primitive2d::Primitive2DReference xRef(new primitive2d::PolygonHairlinePrimitive2D(std::move(a2DHairline), aModifiedColor));
  94                         maPrimitive2DSequence.push_back(xRef);
  95                     }
  96                     break;
  97                 }
  98                 case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D :
  99                 {
 100                     // PolyPolygonMaterialPrimitive3D
 101                     const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate);
 102                     basegfx::B2DPolyPolygon a2DFill(basegfx::utils::createB2DPolyPolygonFromB3DPolyPolygon(rPrimitive.getB3DPolyPolygon(), getViewInformation3D().getObjectToView()));
 103
 104                     if(a2DFill.count())
 105                     {
 106                         a2DFill.transform(getObjectTransformation());
 107                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getMaterial().getColor()));
 108                         const primitive2d::Primitive2DReference xRef(new primitive2d::PolyPolygonColorPrimitive2D(std::move(a2DFill), aModifiedColor));
 109                         maPrimitive2DSequence.push_back(xRef);
 110                     }
 111                     break;
 112                 }
 113                 case PRIMITIVE3D_ID_GRADIENTTEXTUREPRIMITIVE3D :
 114                 case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D :
 115                 case PRIMITIVE3D_ID_BITMAPTEXTUREPRIMITIVE3D :
 116                 case PRIMITIVE3D_ID_TRANSPARENCETEXTUREPRIMITIVE3D :
 117                 case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D :
 118                 {
 119                     // TexturePrimitive3D: Process children, do not try to decompose
 120                     const primitive3d::TexturePrimitive3D& rTexturePrimitive = static_cast< const primitive3d::TexturePrimitive3D& >(rCandidate);
 121                     const primitive3d::Primitive3DContainer& aChildren(rTexturePrimitive.getChildren());
 122
 123                     if(!aChildren.empty())
 124                     {
 125                         process(aChildren);
 126                     }
 127                     break;
 128                 }
 129                 case PRIMITIVE3D_ID_SHADOWPRIMITIVE3D :
 130                 {
 131                     // accept but ignore labels and shadow; these should be extracted separately
 132                     break;
 133                 }
 134                 default :
 135                 {
 136                     // process recursively
 137                     process(rCandidate.get3DDecomposition(getViewInformation3D()));
 138                     break;
 139                 }
 140             }
 141         }
 142
 143         Geometry2DExtractingProcessor::Geometry2DExtractingProcessor(
 144             const geometry::ViewInformation3D& rViewInformation,
 145             basegfx::B2DHomMatrix aObjectTransformation)
 146         :   BaseProcessor3D(rViewInformation),
 147             maObjectTransformation(std::move(aObjectTransformation)),
 148             maBColorModifierStack()
 149         {
 150         }
 151
 152 } // end of namespace
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */