LibreOffice Module sw (master)  1
overlayrangesoutline.cxx
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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 #include "overlayrangesoutline.hxx"
26 
27 namespace
28 {
29  // combine ranges geometrically to a single, ORed polygon
30  basegfx::B2DPolyPolygon impCombineRangesToPolyPolygon(const std::vector< basegfx::B2DRange >& rRanges)
31  {
32  const sal_uInt32 nCount(rRanges.size());
34 
35  for(sal_uInt32 a(0); a < nCount; a++)
36  {
37  const basegfx::B2DPolygon aDiscretePolygon(basegfx::utils::createPolygonFromRect(rRanges[a]));
38 
39  if(0 == a)
40  {
41  aRetval.append(aDiscretePolygon);
42  }
43  else
44  {
45  aRetval = basegfx::utils::solvePolygonOperationOr(aRetval, basegfx::B2DPolyPolygon(aDiscretePolygon));
46  }
47  }
48 
49  return aRetval;
50  }
51 }
52 
53 namespace sw::overlay
54 {
56  {
58  const sal_uInt32 nCount(getRanges().size());
59 
60  if( nCount )
61  {
62  const basegfx::BColor aRGBColor(getBaseColor().getBColor());
63  const basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
66  aPolyPolygon,
67  aRGBColor));
68 
69  aRetval.resize(1);
70  aRetval[0] = aOutline;
71  }
72 
73  return aRetval;
74  }
75 
77  const Color& rColor,
78  const std::vector< basegfx::B2DRange >& rRanges )
79  : sdr::overlay::OverlayObject(rColor)
80  , maRanges(rRanges)
81  {
82  // no AA for highlight overlays
83  allowAntiAliase(false);
84  }
85 
87  {
88  if( getOverlayManager() )
89  {
90  getOverlayManager()->remove(*this);
91  }
92  }
93 
94  void OverlayRangesOutline::setRanges(const std::vector< basegfx::B2DRange >& rNew)
95  {
96  if(rNew != maRanges)
97  {
98  maRanges = rNew;
99  objectChange();
100  }
101  }
102 } // end of namespace sw::overlay
103 
104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
B2DPolyPolygon solvePolygonOperationOr(const B2DPolyPolygon &rCandidateA, const B2DPolyPolygon &rCandidateB)
const std::vector< basegfx::B2DRange > & getRanges() const
OverlayManager * getOverlayManager() const
std::vector< basegfx::B2DRange > maRanges
void remove(OverlayObject &rOverlayObject)
int nCount
OverlayRangesOutline(const Color &rColor, const std::vector< basegfx::B2DRange > &rRanges)
uno_Any a
B2DPolygon createPolygonFromRect(const B2DRectangle &rRect, double fRadiusX, double fRadiusY)
size
void setRanges(const std::vector< basegfx::B2DRange > &rNew)
void allowAntiAliase(bool bNew)
const Color & getBaseColor() const
css::uno::Reference< css::graphic::XPrimitive2D > Primitive2DReference
virtual drawinglayer::primitive2d::Primitive2DContainer createOverlayObjectPrimitive2DSequence() override