svx/source/sdr/contact/viewcontactofe3dsphere.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/viewcontactofe3dsphere.hxx>
  36 #include <svx/sphere3d.hxx>
  37 #include <drawinglayer/primitive3d/sdrsphereprimitive3d.hxx>
  38 #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
  39 #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
  40
  41 //////////////////////////////////////////////////////////////////////////////
  42
  43 namespace sdr
  44 {
  45     namespace contact
  46     {
  47         ViewContactOfE3dSphere::ViewContactOfE3dSphere(E3dSphereObj& rSphere)
  48         :       ViewContactOfE3d(rSphere)
  49         {
  50         }
  51
  52         ViewContactOfE3dSphere::~ViewContactOfE3dSphere()
  53         {
  54         }
  55
  56         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dSphere::createViewIndependentPrimitive3DSequence() const
  57         {
  58             drawinglayer::primitive3d::Primitive3DSequence xRetval;
  59             const SfxItemSet& rItemSet = GetE3dSphereObj().GetMergedItemSet();
  60             drawinglayer::attribute::SdrLineFillShadowAttribute* pAttribute = drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false);
  61
  62             // for 3D Objects, always create a primitive even when not visible. This is necessary ATM
  63             // since e.g. chart geometries rely on the occupied space of non-visible objects
  64             if(!pAttribute)
  65             {
  66                 pAttribute = new drawinglayer::attribute::SdrLineFillShadowAttribute(
  67                     impCreateFallbackLineAttribute(basegfx::BColor(0.0, 1.0, 0.0)),
  68                     0, 0, 0, 0);
  69             }
  70
  71             // get sphere center and size for geometry
  72             basegfx::B3DRange aSphereRange;
  73             const basegfx::B3DPoint aSpherePosition(GetE3dSphereObj().Center());
  74             const basegfx::B3DVector aSphereSize(GetE3dSphereObj().Size());
  75             basegfx::B3DHomMatrix aWorldTransform;
  76
  77             aWorldTransform.translate(-0.5, -0.5, -0.5);
  78             aWorldTransform.scale(aSphereSize.getX(), aSphereSize.getY(), aSphereSize.getZ());
  79             aWorldTransform.translate(aSpherePosition.getX(), aSpherePosition.getY(), aSpherePosition.getZ());
  80
  81             // get 3D Object Attributes
  82             drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
  83
  84             // get segment count
  85             const sal_uInt32 nHorizontalSegments(GetE3dSphereObj().GetHorizontalSegments());
  86             const sal_uInt32 nVerticalSegments(GetE3dSphereObj().GetVerticalSegments());
  87
  88             // calculate texture size, use radii for (2 * PI * r) to get a perfect
  89             // mapping on the sphere
  90             const basegfx::B2DVector aTextureSize(
  91                 F_PI * ((aSphereSize.getX() + aSphereSize.getZ()) / 2.0), // PI * d
  92                 F_PI2 * aSphereSize.getY()); // half outline, (PI * d)/2 -> PI/2 * d
  93
  94             // create primitive and add
  95             const drawinglayer::primitive3d::Primitive3DReference xReference(new drawinglayer::primitive3d::SdrSpherePrimitive3D(
  96                 aWorldTransform, aTextureSize, *pAttribute, *pSdr3DObjectAttribute,
  97                 nHorizontalSegments, nVerticalSegments));
  98             xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
  99
 100             // delete 3D Object Attributes
 101             delete pSdr3DObjectAttribute;
 102             delete pAttribute;
 103
 104             return xRetval;
 105         }
 106     } // end of namespace contact
 107 } // end of namespace sdr
 108
 109 //////////////////////////////////////////////////////////////////////////////
 110 // eof