svx/source/sdr/contact/viewcontactofvirtobj.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svx.hxx"
  33 #include <svx/sdr/contact/viewcontactofvirtobj.hxx>
  34 #include <svx/svdovirt.hxx>
  35 #include <svx/sdr/contact/displayinfo.hxx>
  36 #include <basegfx/matrix/b2dhommatrix.hxx>
  37 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  38 #include <vcl/outdev.hxx>
  39
  40 //////////////////////////////////////////////////////////////////////////////
  41
  42 namespace sdr
  43 {
  44     namespace contact
  45     {
  46         SdrVirtObj& ViewContactOfVirtObj::GetVirtObj() const
  47         {
  48             return (SdrVirtObj&)mrObject;
  49         }
  50
  51         ViewContactOfVirtObj::ViewContactOfVirtObj(SdrVirtObj& rObj)
  52         :       ViewContactOfSdrObj(rObj)
  53         {
  54         }
  55
  56         ViewContactOfVirtObj::~ViewContactOfVirtObj()
  57         {
  58         }
  59
  60         // Access to possible sub-hierarchy
  61         sal_uInt32 ViewContactOfVirtObj::GetObjectCount() const
  62         {
  63             // Here, SdrVirtObj's need to return 0L to show that they have no
  64             // sub-hierarchy, even when they are group objects. This is necessary
  65             // to avoid that the same VOCs will be added to the draw hierarchy
  66             // twice which leads to problems.
  67             //
  68             // This solution is only a first solution to get things running. Later
  69             // this needs to be replaced with creating real VOCs for the objects
  70             // referenced by virtual objects to avoid the 'trick' of setting the
  71             // offset for painting at the destination OutputDevive.
  72             //
  73             // As can be seen, with primitives, the problem will be solved using
  74             // a transformPrimitive, so this solution can stay with primitives.
  75             return 0L;
  76         }
  77
  78         drawinglayer::primitive2d::Primitive2DSequence ViewContactOfVirtObj::createViewIndependentPrimitive2DSequence() const
  79         {
  80             drawinglayer::primitive2d::Primitive2DSequence xRetval;
  81
  82             // use method from referenced object to get the Primitive2DSequence
  83             const drawinglayer::primitive2d::Primitive2DSequence xSequenceVirtual(GetVirtObj().GetReferencedObj().GetViewContact().getViewIndependentPrimitive2DSequence());
  84
  85             if(xSequenceVirtual.hasElements())
  86             {
  87                 // create displacement transformation if we have content
  88                 ::basegfx::B2DHomMatrix aObjectMatrix;
  89                 Point aAnchor(GetVirtObj().GetAnchorPos());
  90
  91                 if(aAnchor.X() || aAnchor.Y())
  92                 {
  93                     aObjectMatrix.set(0, 2, aAnchor.X());
  94                     aObjectMatrix.set(1, 2, aAnchor.Y());
  95                 }
  96
  97                 // create transform primitive
  98                 const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::TransformPrimitive2D(aObjectMatrix, xSequenceVirtual));
  99                 xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
 100             }
 101
 102             return xRetval;
 103         }
 104     } // end of namespace contact
 105 } // end of namespace sdr
 106
 107 //////////////////////////////////////////////////////////////////////////////
 108 // eof