drawinglayer/source/primitive2d/markerarrayprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
  21 #include <basegfx/matrix/b2dhommatrix.hxx>
  22 #include <drawinglayer/geometry/viewinformation2d.hxx>
  23 #include <basegfx/polygon/b2dpolygon.hxx>
  24 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  25 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  26 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  27 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
  28
  29 //////////////////////////////////////////////////////////////////////////////
  30
  31 using namespace com::sun::star;
  32
  33 //////////////////////////////////////////////////////////////////////////////
  34
  35 namespace drawinglayer
  36 {
  37     namespace primitive2d
  38     {
  39         Primitive2DSequence MarkerArrayPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
  40         {
  41             Primitive2DSequence xRetval;
  42             const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
  43             const sal_uInt32 nMarkerCount(rPositions.size());
  44
  45             if(nMarkerCount && !getMarker().IsEmpty())
  46             {
  47                 // get pixel size
  48                 Size aBitmapSize(getMarker().GetSizePixel());
  49
  50                 if(aBitmapSize.Width() && aBitmapSize.Height())
  51                 {
  52                     // get logic half pixel size
  53                     basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
  54                         basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
  55
  56                     // use half size for expand
  57                     aLogicHalfSize *= 0.5;
  58
  59                     // number of primitives is known; realloc accordingly
  60                     xRetval.realloc(nMarkerCount);
  61
  62                     for(sal_uInt32 a(0); a < nMarkerCount; a++)
  63                     {
  64                         const basegfx::B2DPoint& rPosition(rPositions[a]);
  65                         const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
  66                         basegfx::B2DHomMatrix aTransform;
  67
  68                         aTransform.set(0, 0, aRange.getWidth());
  69                         aTransform.set(1, 1, aRange.getHeight());
  70                         aTransform.set(0, 2, aRange.getMinX());
  71                         aTransform.set(1, 2, aRange.getMinY());
  72
  73                         xRetval[a] = Primitive2DReference(new BitmapPrimitive2D(getMarker(), aTransform));
  74                     }
  75                 }
  76             }
  77
  78             return xRetval;
  79         }
  80
  81         MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
  82             const std::vector< basegfx::B2DPoint >& rPositions,
  83             const BitmapEx& rMarker)
  84         :   BufferedDecompositionPrimitive2D(),
  85             maPositions(rPositions),
  86             maMarker(rMarker)
  87         {
  88         }
  89
  90         bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  91         {
  92             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
  93             {
  94                 const MarkerArrayPrimitive2D& rCompare = (MarkerArrayPrimitive2D&)rPrimitive;
  95
  96                 return (getPositions() == rCompare.getPositions()
  97                     && getMarker() == rCompare.getMarker());
  98             }
  99
 100             return false;
 101         }
 102
 103         basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
 104         {
 105             basegfx::B2DRange aRetval;
 106
 107             if(getPositions().size())
 108             {
 109                 // get the basic range from the position vector
 110                 for(std::vector< basegfx::B2DPoint >::const_iterator aIter(getPositions().begin()), aEnd(getPositions().end()); aIter != aEnd; ++aIter)
 111                 {
 112                     aRetval.expand(*aIter);
 113                 }
 114
 115                 if(!getMarker().IsEmpty())
 116                 {
 117                     // get pixel size
 118                     const Size aBitmapSize(getMarker().GetSizePixel());
 119
 120                     if(aBitmapSize.Width() && aBitmapSize.Height())
 121                     {
 122                         // get logic half size
 123                         basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
 124                             basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
 125
 126                         // use half size for expand
 127                         aLogicHalfSize *= 0.5;
 128
 129                         // apply aLogicHalfSize
 130                         aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
 131                         aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
 132                     }
 133                 }
 134             }
 135
 136             return aRetval;
 137         }
 138
 139         // provide unique ID
 140         ImplPrimitive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)
 141
 142     } // end of namespace primitive2d
 143 } // end of namespace drawinglayer
 144
 145 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */