drawinglayer/source/primitive2d/baseprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  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 <sal/config.h>
  21
  22 #include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
  23 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
  24 #include <drawinglayer/primitive2d/Tools.hxx>
  25 #include <drawinglayer/geometry/viewinformation2d.hxx>
  26 #include <basegfx/utils/canvastools.hxx>
  27
  28 using namespace css;
  29
  30 namespace drawinglayer::primitive2d
  31 {
  32 BasePrimitive2D::BasePrimitive2D() {}
  33
  34 BasePrimitive2D::~BasePrimitive2D() {}
  35
  36 bool BasePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  37 {
  38     return (getPrimitive2DID() == rPrimitive.getPrimitive2DID());
  39 }
  40
  41 namespace
  42 {
  43 // Visitor class to get the B2D range from a tree of Primitive2DReference's
  44 //
  45 class B2DRangeVisitor : public Primitive2DDecompositionVisitor
  46 {
  47 public:
  48     const geometry::ViewInformation2D& mrViewInformation;
  49     basegfx::B2DRange maRetval;
  50     B2DRangeVisitor(const geometry::ViewInformation2D& rViewInformation)
  51         : mrViewInformation(rViewInformation)
  52     {
  53     }
  54     virtual void visit(const Primitive2DReference& r) override
  55     {
  56         maRetval.expand(getB2DRangeFromPrimitive2DReference(r, mrViewInformation));
  57     }
  58     virtual void visit(const Primitive2DContainer& r) override
  59     {
  60         maRetval.expand(r.getB2DRange(mrViewInformation));
  61     }
  62     virtual void visit(Primitive2DContainer&& r) override
  63     {
  64         maRetval.expand(r.getB2DRange(mrViewInformation));
  65     }
  66 };
  67 }
  68
  69 basegfx::B2DRange
  70 BasePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
  71 {
  72     B2DRangeVisitor aVisitor(rViewInformation);
  73     get2DDecomposition(aVisitor, rViewInformation);
  74     return aVisitor.maRetval;
  75 }
  76
  77 void BasePrimitive2D::get2DDecomposition(
  78     Primitive2DDecompositionVisitor& /*rVisitor*/,
  79     const geometry::ViewInformation2D& /*rViewInformation*/) const
  80 {
  81 }
  82
  83 Primitive2DContainer
  84 BasePrimitive2D::getDecomposition(const uno::Sequence<beans::PropertyValue>& rViewParameters)
  85 {
  86     const auto aViewInformation = geometry::createViewInformation2D(rViewParameters);
  87     Primitive2DContainer aContainer;
  88     get2DDecomposition(aContainer, aViewInformation);
  89     return aContainer;
  90 }
  91
  92 css::geometry::RealRectangle2D
  93 BasePrimitive2D::getRange(const uno::Sequence<beans::PropertyValue>& rViewParameters)
  94 {
  95     const auto aViewInformation = geometry::createViewInformation2D(rViewParameters);
  96     return basegfx::unotools::rectangle2DFromB2DRectangle(getB2DRange(aViewInformation));
  97 }
  98
  99 sal_Int64 BasePrimitive2D::estimateUsage()
 100 {
 101     return 0; // for now ignore the objects themselves
 102 }
 103
 104 } // end of namespace drawinglayer::primitive2d
 105
 106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */