svx/source/sdr/contact/viewcontactofgroup.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/viewcontactofgroup.hxx>
  34 #include <svx/svdogrp.hxx>
  35 #include <svx/svdpage.hxx>
  36 #include <svx/sdr/contact/viewobjectcontact.hxx>
  37 #include <svx/sdr/contact/viewobjectcontactofgroup.hxx>
  38 #include <basegfx/polygon/b2dpolygon.hxx>
  39 #include <basegfx/polygon/b2dpolygontools.hxx>
  40 #include <basegfx/color/bcolor.hxx>
  41 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  42
  43 //////////////////////////////////////////////////////////////////////////////
  44
  45 namespace sdr
  46 {
  47     namespace contact
  48     {
  49         // Create a Object-Specific ViewObjectContact, set ViewContact and
  50         // ObjectContact. Always needs to return something.
  51         ViewObjectContact& ViewContactOfGroup::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
  52         {
  53             ViewObjectContact* pRetval = new ViewObjectContactOfGroup(rObjectContact, *this);
  54             DBG_ASSERT(pRetval, "ViewContactOfGroup::CreateObjectSpecificViewObjectContact() failed (!)");
  55
  56             return *pRetval;
  57         }
  58
  59         ViewContactOfGroup::ViewContactOfGroup(SdrObjGroup& rGroup)
  60         :       ViewContactOfSdrObj(rGroup)
  61         {
  62         }
  63
  64         ViewContactOfGroup::~ViewContactOfGroup()
  65         {
  66         }
  67
  68         drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGroup::createViewIndependentPrimitive2DSequence() const
  69         {
  70             drawinglayer::primitive2d::Primitive2DSequence xRetval;
  71             const sal_uInt32 nObjectCount(GetObjectCount());
  72
  73             if(nObjectCount)
  74             {
  75                 // collect all sub-primitives
  76                 for(sal_uInt32 a(0); a < nObjectCount; a++)
  77                 {
  78                     const ViewContact& rCandidate(GetViewContact(a));
  79                     const drawinglayer::primitive2d::Primitive2DSequence aCandSeq(rCandidate.getViewIndependentPrimitive2DSequence());
  80
  81                     drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, aCandSeq);
  82                 }
  83             }
  84
  85             if(xRetval.hasElements())
  86             {
  87                 return xRetval;
  88             }
  89             else
  90             {
  91                 // create a gray placeholder hairline polygon in object size. Use the model data directly. For empty groups,
  92                 // this is SdrObject::aOutRect, as can be seen in SdrObjGroup::GetSnapRect(). Access that using GetLastBoundRect()
  93                 // to not execute anything.
  94                 const Rectangle aCurrentBoundRect(GetSdrObjGroup().GetLastBoundRect());
  95                 const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(
  96                     aCurrentBoundRect.Left(), aCurrentBoundRect.Top(), aCurrentBoundRect.Right(), aCurrentBoundRect.Bottom())));
  97                 const basegfx::BColor aGrayTone(0xc0 / 255.0, 0xc0 / 255.0, 0xc0 / 255.0);
  98                 const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(aOutline, aGrayTone));
  99
 100                 // The replacement object may also get a text like 'empty group' here later
 101                 return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
 102             }
 103         }
 104     } // end of namespace contact
 105 } // end of namespace sdr
 106
 107 //////////////////////////////////////////////////////////////////////////////
 108 // eof