drawinglayer/source/primitive2d/markerarrayprimitive2d.cxx

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   5  *  $RCSfile: markerarrayprimitive2d.cxx,v $
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   7  *  $Revision: 1.7 $
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   9  *  last change: $Author: aw $ $Date: 2008-07-21 17:41:18 $
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  12  *  the terms of GNU Lesser General Public License Version 2.1.
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  15  *    GNU Lesser General Public License Version 2.1
  16  *    =============================================
  17  *    Copyright 2005 by Sun Microsystems, Inc.
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  35
  36 // MARKER(update_precomp.py): autogen include statement, do not remove
  37 #include "precompiled_drawinglayer.hxx"
  38
  39 #include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
  40 #include <basegfx/matrix/b2dhommatrix.hxx>
  41 #include <drawinglayer/geometry/viewinformation2d.hxx>
  42 #include <basegfx/polygon/b2dpolygon.hxx>
  43 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  44 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  45 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  46 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
  47
  48 //////////////////////////////////////////////////////////////////////////////
  49
  50 using namespace com::sun::star;
  51
  52 //////////////////////////////////////////////////////////////////////////////
  53
  54 namespace drawinglayer
  55 {
  56     namespace primitive2d
  57     {
  58         Primitive2DSequence MarkerArrayPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
  59         {
  60             Primitive2DSequence xRetval;
  61             const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
  62             const sal_uInt32 nMarkerCount(rPositions.size());
  63
  64             if(nMarkerCount && !getMarker().IsEmpty())
  65             {
  66                 // get pixel size
  67                 Size aBitmapSize(getMarker().GetSizePixel());
  68
  69                 if(aBitmapSize.Width() && aBitmapSize.Height())
  70                 {
  71                     // get logic half pixel size
  72                     basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
  73                         basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
  74
  75                     // use half size for expand
  76                     aLogicHalfSize *= 0.5;
  77
  78                     // number of primitives is known; realloc accordingly
  79                     xRetval.realloc(nMarkerCount);
  80
  81                     for(sal_uInt32 a(0); a < nMarkerCount; a++)
  82                     {
  83                         const basegfx::B2DPoint& rPosition(rPositions[a]);
  84                         const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
  85                         basegfx::B2DHomMatrix aTransform;
  86
  87                         aTransform.set(0, 0, aRange.getWidth());
  88                         aTransform.set(1, 1, aRange.getHeight());
  89                         aTransform.set(0, 2, aRange.getMinX());
  90                         aTransform.set(1, 2, aRange.getMinY());
  91
  92                         xRetval[a] = Primitive2DReference(new BitmapPrimitive2D(getMarker(), aTransform));
  93                     }
  94                 }
  95             }
  96
  97             return xRetval;
  98         }
  99
 100         MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
 101             const std::vector< basegfx::B2DPoint >& rPositions,
 102             const BitmapEx& rMarker)
 103         :       BasePrimitive2D(),
 104             maPositions(rPositions),
 105             maMarker(rMarker)
 106         {
 107         }
 108
 109         bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 110         {
 111             if(BasePrimitive2D::operator==(rPrimitive))
 112             {
 113                 const MarkerArrayPrimitive2D& rCompare = (MarkerArrayPrimitive2D&)rPrimitive;
 114
 115                 return (getPositions() == rCompare.getPositions()
 116                     && getMarker() == rCompare.getMarker());
 117             }
 118
 119             return false;
 120         }
 121
 122         basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
 123         {
 124             basegfx::B2DRange aRetval;
 125
 126             if(getPositions().size())
 127             {
 128                 // get the basic range from the position vector
 129                 for(std::vector< basegfx::B2DPoint >::const_iterator aIter(getPositions().begin()); aIter != getPositions().end(); aIter++)
 130                 {
 131                     aRetval.expand(*aIter);
 132                 }
 133
 134                 if(!getMarker().IsEmpty())
 135                 {
 136                     // get pixel size
 137                     const Size aBitmapSize(getMarker().GetSizePixel());
 138
 139                     if(aBitmapSize.Width() && aBitmapSize.Height())
 140                     {
 141                         // get logic half size
 142                         basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
 143                             basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
 144
 145                         // use half size for expand
 146                         aLogicHalfSize *= 0.5;
 147
 148                         // apply aLogicHalfSize
 149                         aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
 150                         aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
 151                     }
 152                 }
 153             }
 154
 155             return aRetval;
 156         }
 157
 158         // provide unique ID
 159         ImplPrimitrive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)
 160
 161     } // end of namespace primitive2d
 162 } // end of namespace drawinglayer
 163
 164 //////////////////////////////////////////////////////////////////////////////
 165 // eof