drawinglayer/source/primitive2d/markerarrayprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   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
  13  *   with this work for additional information regarding copyright
  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 <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  24 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
  25 #include <toolkit/helper/vclunohelper.hxx>
  26
  27
  28 using namespace com::sun::star;
  29
  30
  31 namespace drawinglayer::primitive2d
  32 {
  33         void MarkerArrayPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
  34         {
  35             const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
  36             const sal_uInt32 nMarkerCount(rPositions.size());
  37
  38             if(!nMarkerCount || getMarker().IsEmpty())
  39                 return;
  40
  41             // get pixel size
  42             Size aBitmapSize(getMarker().GetSizePixel());
  43
  44             if(!(aBitmapSize.Width() && aBitmapSize.Height()))
  45                 return;
  46
  47             // get logic half pixel size
  48             basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
  49                 basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
  50
  51             // use half size for expand
  52             aLogicHalfSize *= 0.5;
  53
  54             for(const auto& rPosition : rPositions)
  55             {
  56                 const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
  57                 basegfx::B2DHomMatrix aTransform;
  58
  59                 aTransform.set(0, 0, aRange.getWidth());
  60                 aTransform.set(1, 1, aRange.getHeight());
  61                 aTransform.set(0, 2, aRange.getMinX());
  62                 aTransform.set(1, 2, aRange.getMinY());
  63
  64                 rContainer.push_back(
  65                     new BitmapPrimitive2D(
  66                         getMarker(),
  67                         aTransform));
  68             }
  69         }
  70
  71         MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
  72             std::vector< basegfx::B2DPoint >&& rPositions,
  73             const BitmapEx& rMarker)
  74         :   maPositions(std::move(rPositions)),
  75             maMarker(rMarker)
  76         {
  77         }
  78
  79         bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  80         {
  81             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
  82             {
  83                 const MarkerArrayPrimitive2D& rCompare = static_cast<const MarkerArrayPrimitive2D&>(rPrimitive);
  84
  85                 return (getPositions() == rCompare.getPositions()
  86                     && getMarker() == rCompare.getMarker());
  87             }
  88
  89             return false;
  90         }
  91
  92         basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
  93         {
  94             basegfx::B2DRange aRetval;
  95
  96             if(!getPositions().empty())
  97             {
  98                 // get the basic range from the position vector
  99                 for (auto const& pos : getPositions())
 100                 {
 101                     aRetval.expand(pos);
 102                 }
 103
 104                 if(!getMarker().IsEmpty())
 105                 {
 106                     // get pixel size
 107                     const Size aBitmapSize(getMarker().GetSizePixel());
 108
 109                     if(aBitmapSize.Width() && aBitmapSize.Height())
 110                     {
 111                         // get logic half size
 112                         basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() *
 113                             basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
 114
 115                         // use half size for expand
 116                         aLogicHalfSize *= 0.5;
 117
 118                         // apply aLogicHalfSize
 119                         aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
 120                         aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
 121                     }
 122                 }
 123             }
 124
 125             return aRetval;
 126         }
 127
 128         // provide unique ID
 129         sal_uInt32 MarkerArrayPrimitive2D::getPrimitive2DID() const
 130         {
 131             return PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D;
 132         }
 133
 134 } // end of namespace
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */