svx/source/sdr/contact/viewobjectcontactofgroup.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/viewobjectcontactofgroup.hxx>
  36 #include <svx/sdr/contact/displayinfo.hxx>
  37 #include <svx/sdr/contact/objectcontact.hxx>
  38 #include <basegfx/numeric/ftools.hxx>
  39 #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
  40 #include <basegfx/tools/canvastools.hxx>
  41 #include <svx/sdr/contact/viewcontact.hxx>
  42
  43 //////////////////////////////////////////////////////////////////////////////
  44
  45 using namespace com::sun::star;
  46
  47 //////////////////////////////////////////////////////////////////////////////
  48
  49 namespace sdr
  50 {
  51     namespace contact
  52     {
  53         ViewObjectContactOfGroup::ViewObjectContactOfGroup(ObjectContact& rObjectContact, ViewContact& rViewContact)
  54         :       ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
  55         {
  56         }
  57
  58         ViewObjectContactOfGroup::~ViewObjectContactOfGroup()
  59         {
  60         }
  61
  62         bool ViewObjectContactOfGroup::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
  63         {
  64             const bool bHasChildren(0 != GetViewContact().GetObjectCount());
  65
  66             if(!bHasChildren && (GetObjectContact().isOutputToPrinter() || GetObjectContact().isOutputToRecordingMetaFile()))
  67             {
  68                 // empty group uses fallback gray empty frame display. Do neither print nor PDF export it
  69                 return false;
  70             }
  71
  72             // call parent
  73             return ViewObjectContactOfSdrObj::isPrimitiveVisible(rDisplayInfo);
  74         }
  75
  76         drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfGroup::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
  77         {
  78             const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
  79
  80             if(nSubHierarchyCount)
  81             {
  82                 const sal_Bool bDoGhostedDisplaying(
  83                     GetObjectContact().DoVisualizeEnteredGroup()
  84                     && !GetObjectContact().isOutputToPrinter()
  85                     && GetObjectContact().getActiveViewContact() == &GetViewContact());
  86
  87                 if(bDoGhostedDisplaying)
  88                 {
  89                     rDisplayInfo.ClearGhostedDrawMode();
  90                 }
  91
  92                 // create object hierarchy
  93                 drawinglayer::primitive2d::Primitive2DSequence xRetval(getPrimitive2DSequenceSubHierarchy(rDisplayInfo));
  94
  95                 if(xRetval.hasElements())
  96                 {
  97                     // get ranges
  98                     const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
  99                     const ::basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
 100                     const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
 101
 102                     // check geometrical visibility
 103                     if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
 104                     {
 105                         // not visible, release
 106                         xRetval.realloc(0);
 107                     }
 108                 }
 109
 110                 if(bDoGhostedDisplaying)
 111                 {
 112                     rDisplayInfo.SetGhostedDrawMode();
 113                 }
 114
 115                 return xRetval;
 116             }
 117             else
 118             {
 119                 // draw replacement object for group. This will use ViewContactOfGroup::createViewIndependentPrimitive2DSequence
 120                 // which creates the replacement primitives for an empty group
 121                 return ViewObjectContactOfSdrObj::getPrimitive2DSequenceHierarchy(rDisplayInfo);
 122             }
 123         }
 124     } // end of namespace contact
 125 } // end of namespace sdr
 126
 127 //////////////////////////////////////////////////////////////////////////////
 128 // eof