drawinglayer/source/processor3d/geometry2dextractor.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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/primitive2d/polygonprimitive2d.hxx>
  27 #include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
  28 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  29 #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
  30 #include <primitive3d/textureprimitive3d.hxx>
  31
  32
  33 using namespace com::sun::star;
  34
  35
  36 namespace drawinglayer::processor3d
  37 {
  38         // as tooling, the process() implementation takes over API handling and calls this
  39         // virtual render method when the primitive implementation is BasePrimitive3D-based.
  40         void Geometry2DExtractingProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate)
  41         {
  42             // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch
  43             switch(rCandidate.getPrimitive3DID())
  44             {
  45                 case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D :
  46                 {
  47                     // transform group. Remember current transformations
  48                     const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate);
  49                     const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D());
  50
  51                     // create new transformation; add new object transform from right side
  52                     const geometry::ViewInformation3D aNewViewInformation3D(
  53                         aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(),
  54                         aLastViewInformation3D.getOrientation(),
  55                         aLastViewInformation3D.getProjection(),
  56                         aLastViewInformation3D.getDeviceToView(),
  57                         aLastViewInformation3D.getViewTime(),
  58                         aLastViewInformation3D.getExtendedInformationSequence());
  59                     updateViewInformation(aNewViewInformation3D);
  60
  61                     // let break down recursively
  62                     process(rPrimitive.getChildren());
  63
  64                     // restore transformations
  65                     updateViewInformation(aLastViewInformation3D);
  66                     break;
  67                 }
  68                 case PRIMITIVE3D_ID_MODIFIEDCOLORPRIMITIVE3D :
  69                 {
  70                     // ModifiedColorPrimitive3D; push, process and pop
  71                     const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate = static_cast< const primitive3d::ModifiedColorPrimitive3D& >(rCandidate);
  72                     const primitive3d::Primitive3DContainer& rSubSequence = rModifiedCandidate.getChildren();
  73
  74                     if(!rSubSequence.empty())
  75                     {
  76                         maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
  77                         process(rModifiedCandidate.getChildren());
  78                         maBColorModifierStack.pop();
  79                     }
  80                     break;
  81                 }
  82                 case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D :
  83                 {
  84                     // PolygonHairlinePrimitive3D
  85                     const primitive3d::PolygonHairlinePrimitive3D& rPrimitive = static_cast< const primitive3d::PolygonHairlinePrimitive3D& >(rCandidate);
  86                     basegfx::B2DPolygon a2DHairline(basegfx::utils::createB2DPolygonFromB3DPolygon(rPrimitive.getB3DPolygon(), getViewInformation3D().getObjectToView()));
  87
  88                     if(a2DHairline.count())
  89                     {
  90                         a2DHairline.transform(getObjectTransformation());
  91                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor()));
  92                         const primitive2d::Primitive2DReference xRef(new primitive2d::PolygonHairlinePrimitive2D(a2DHairline, aModifiedColor));
  93                         maPrimitive2DSequence.push_back(xRef);
  94                     }
  95                     break;
  96                 }
  97                 case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D :
  98                 {
  99                     // PolyPolygonMaterialPrimitive3D
 100                     const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate);
 101                     basegfx::B2DPolyPolygon a2DFill(basegfx::utils::createB2DPolyPolygonFromB3DPolyPolygon(rPrimitive.getB3DPolyPolygon(), getViewInformation3D().getObjectToView()));
 102
 103                     if(a2DFill.count())
 104                     {
 105                         a2DFill.transform(getObjectTransformation());
 106                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getMaterial().getColor()));
 107                         const primitive2d::Primitive2DReference xRef(new primitive2d::PolyPolygonColorPrimitive2D(a2DFill, aModifiedColor));
 108                         maPrimitive2DSequence.push_back(xRef);
 109                     }
 110                     break;
 111                 }
 112                 case PRIMITIVE3D_ID_GRADIENTTEXTUREPRIMITIVE3D :
 113                 case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D :
 114                 case PRIMITIVE3D_ID_BITMAPTEXTUREPRIMITIVE3D :
 115                 case PRIMITIVE3D_ID_TRANSPARENCETEXTUREPRIMITIVE3D :
 116                 case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D :
 117                 {
 118                     // TexturePrimitive3D: Process children, do not try to decompose
 119                     const primitive3d::TexturePrimitive3D& rTexturePrimitive = static_cast< const primitive3d::TexturePrimitive3D& >(rCandidate);
 120                     const primitive3d::Primitive3DContainer& aChildren(rTexturePrimitive.getChildren());
 121
 122                     if(!aChildren.empty())
 123                     {
 124                         process(aChildren);
 125                     }
 126                     break;
 127                 }
 128                 case PRIMITIVE3D_ID_SHADOWPRIMITIVE3D :
 129                 {
 130                     // accept but ignore labels and shadow; these should be extracted separately
 131                     break;
 132                 }
 133                 default :
 134                 {
 135                     // process recursively
 136                     process(rCandidate.get3DDecomposition(getViewInformation3D()));
 137                     break;
 138                 }
 139             }
 140         }
 141
 142         Geometry2DExtractingProcessor::Geometry2DExtractingProcessor(
 143             const geometry::ViewInformation3D& rViewInformation,
 144             const basegfx::B2DHomMatrix& rObjectTransformation)
 145         :   BaseProcessor3D(rViewInformation),
 146             maPrimitive2DSequence(),
 147             maObjectTransformation(rObjectTransformation),
 148             maBColorModifierStack()
 149         {
 150         }
 151
 152 } // end of namespace
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */