drawinglayer/source/primitive2d/markerarrayprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  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 using namespace com::sun::star;
  31
  32
  33 namespace drawinglayer
  34 {
  35     namespace primitive2d
  36     {
  37         void MarkerArrayPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
  38         {
  39             const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
  40             const sal_uInt32 nMarkerCount(rPositions.size());
  41
  42             if(nMarkerCount && !getMarker().IsEmpty())
  43             {
  44                 // get pixel size
  45                 Size aBitmapSize(getMarker().GetSizePixel());
  46
  47                 if(aBitmapSize.Width() && aBitmapSize.Height())
  48                 {
  49                     // get logic half pixel size
  50                     basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
  51                         basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
  52
  53                     // use half size for expand
  54                     aLogicHalfSize *= 0.5;
  55
  56                     for(sal_uInt32 a(0); a < nMarkerCount; a++)
  57                     {
  58                         const basegfx::B2DPoint& rPosition(rPositions[a]);
  59                         const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
  60                         basegfx::B2DHomMatrix aTransform;
  61
  62                         aTransform.set(0, 0, aRange.getWidth());
  63                         aTransform.set(1, 1, aRange.getHeight());
  64                         aTransform.set(0, 2, aRange.getMinX());
  65                         aTransform.set(1, 2, aRange.getMinY());
  66
  67                         rContainer.push_back(new BitmapPrimitive2D(getMarker(), aTransform));
  68                     }
  69                 }
  70             }
  71         }
  72
  73         MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
  74             const std::vector< basegfx::B2DPoint >& rPositions,
  75             const BitmapEx& rMarker)
  76         :   BufferedDecompositionPrimitive2D(),
  77             maPositions(rPositions),
  78             maMarker(rMarker)
  79         {
  80         }
  81
  82         bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  83         {
  84             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
  85             {
  86                 const MarkerArrayPrimitive2D& rCompare = static_cast<const MarkerArrayPrimitive2D&>(rPrimitive);
  87
  88                 return (getPositions() == rCompare.getPositions()
  89                     && getMarker() == rCompare.getMarker());
  90             }
  91
  92             return false;
  93         }
  94
  95         basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
  96         {
  97             basegfx::B2DRange aRetval;
  98
  99             if(!getPositions().empty())
 100             {
 101                 // get the basic range from the position vector
 102                 for (auto const& pos : getPositions())
 103                 {
 104                     aRetval.expand(pos);
 105                 }
 106
 107                 if(!getMarker().IsEmpty())
 108                 {
 109                     // get pixel size
 110                     const Size aBitmapSize(getMarker().GetSizePixel());
 111
 112                     if(aBitmapSize.Width() && aBitmapSize.Height())
 113                     {
 114                         // get logic half size
 115                         basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
 116                             basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
 117
 118                         // use half size for expand
 119                         aLogicHalfSize *= 0.5;
 120
 121                         // apply aLogicHalfSize
 122                         aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
 123                         aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
 124                     }
 125                 }
 126             }
 127
 128             return aRetval;
 129         }
 130
 131         // provide unique ID
 132         ImplPrimitive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)
 133
 134     } // end of namespace primitive2d
 135 } // end of namespace drawinglayer
 136
 137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */