svx/source/sdr/contact/viewcontactofe3dlathe.cxx

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  31
  32 // MARKER(update_precomp.py): autogen include statement, do not remove
  33 #include "precompiled_svx.hxx"
  34
  35 #include <svx/sdr/contact/viewcontactofe3dlathe.hxx>
  36 #include <svx/lathe3d.hxx>
  37 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
  38 #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
  39 #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
  40 #include <basegfx/polygon/b2dpolygontools.hxx>
  41
  42 //////////////////////////////////////////////////////////////////////////////
  43
  44 namespace sdr
  45 {
  46     namespace contact
  47     {
  48         ViewContactOfE3dLathe::ViewContactOfE3dLathe(E3dLatheObj& rLathe)
  49         :       ViewContactOfE3d(rLathe)
  50         {
  51         }
  52
  53         ViewContactOfE3dLathe::~ViewContactOfE3dLathe()
  54         {
  55         }
  56
  57         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dLathe::createViewIndependentPrimitive3DSequence() const
  58         {
  59             drawinglayer::primitive3d::Primitive3DSequence xRetval;
  60             const SfxItemSet& rItemSet = GetE3dLatheObj().GetMergedItemSet();
  61             drawinglayer::attribute::SdrLineFillShadowAttribute* pAttribute = drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false);
  62
  63             // for 3D Objects, always create a primitive even when not visible. This is necessary ATM
  64             // since e.g. chart geometries rely on the occupied space of non-visible objects
  65             if(!pAttribute)
  66             {
  67                 pAttribute = new drawinglayer::attribute::SdrLineFillShadowAttribute(
  68                     impCreateFallbackLineAttribute(basegfx::BColor(0.0, 1.0, 0.0)),
  69                     0, 0, 0, 0);
  70             }
  71
  72             // get extrude geometry
  73             const basegfx::B2DPolyPolygon aPolyPolygon(GetE3dLatheObj().GetPolyPoly2D());
  74
  75             // get 3D Object Attributes
  76             drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
  77
  78             // calculate texture size. Use the polygon length of the longest polygon for
  79             // height and the rotated radius for width (using polygon center) to get a good
  80             // texture mapping
  81             const sal_uInt32 nPolygonCount(aPolyPolygon.count());
  82             double fPolygonMaxLength(0.0);
  83
  84             for(sal_uInt32 a(0); a < nPolygonCount; a++)
  85             {
  86                 const basegfx::B2DPolygon aCandidate(aPolyPolygon.getB2DPolygon(a));
  87                 const double fPolygonLength(basegfx::tools::getLength(aCandidate));
  88                 fPolygonMaxLength = std::max(fPolygonMaxLength, fPolygonLength);
  89             }
  90
  91             const basegfx::B2DRange aPolyPolygonRange(basegfx::tools::getRange(aPolyPolygon));
  92             const basegfx::B2DVector aTextureSize(
  93                 F_PI * fabs(aPolyPolygonRange.getCenter().getX()), // PI * d
  94                 fPolygonMaxLength);
  95
  96             // get more data
  97             const sal_uInt32 nHorizontalSegments(GetE3dLatheObj().GetHorizontalSegments());
  98             const sal_uInt32 nVerticalSegments(GetE3dLatheObj().GetVerticalSegments());
  99             const double fDiagonal((double)GetE3dLatheObj().GetPercentDiagonal() / 100.0);
 100             const double fBackScale((double)GetE3dLatheObj().GetBackScale() / 100.0);
 101             const double fRotation(((double)GetE3dLatheObj().GetEndAngle() / 1800.0) * F_PI);
 102             const bool bSmoothNormals(GetE3dLatheObj().GetSmoothNormals()); // Plane itself
 103             const bool bSmoothLids(GetE3dLatheObj().GetSmoothLids()); // Front/back
 104             const bool bCharacterMode(GetE3dLatheObj().GetCharacterMode());
 105             const bool bCloseFront(GetE3dLatheObj().GetCloseFront());
 106             const bool bCloseBack(GetE3dLatheObj().GetCloseBack());
 107
 108             // create primitive and add
 109             const basegfx::B3DHomMatrix aWorldTransform;
 110             const drawinglayer::primitive3d::Primitive3DReference xReference(new drawinglayer::primitive3d::SdrLathePrimitive3D(
 111                 aWorldTransform, aTextureSize, *pAttribute, *pSdr3DObjectAttribute,
 112                 aPolyPolygon, nHorizontalSegments, nVerticalSegments,
 113                 fDiagonal, fBackScale, fRotation,
 114                 bSmoothNormals, true, bSmoothLids, bCharacterMode, bCloseFront, bCloseBack));
 115             xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
 116
 117             // delete 3D Object Attributes
 118             delete pSdr3DObjectAttribute;
 119             delete pAttribute;
 120
 121             return xRetval;
 122         }
 123     } // end of namespace contact
 124 } // end of namespace sdr
 125
 126 //////////////////////////////////////////////////////////////////////////////
 127 // eof