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 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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 */
26
27namespace
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
53namespace sw::overlay
54{
56 {
58 const sal_uInt32 nCount(getRanges().size());
59
60 if( nCount )
61 {
62 const basegfx::BColor aRGBColor(getBaseColor().getBColor());
63 basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
66 std::move(aPolyPolygon),
67 aRGBColor));
68
69 aRetval.resize(1);
70 aRetval[0] = aOutline;
71 }
72
73 return aRetval;
74 }
75
77 const Color& rColor,
78 std::vector< basegfx::B2DRange >&& rRanges )
79 : sdr::overlay::OverlayObject(rColor)
80 , maRanges(std::move(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(std::vector< basegfx::B2DRange >&& rNew)
95 {
96 if(rNew != maRanges)
97 {
98 maRanges = std::move(rNew);
100 }
101 }
102} // end of namespace sw::overlay
103
104/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void append(const B2DPolygon &rPolygon, sal_uInt32 nCount=1)
void remove(OverlayObject &rOverlayObject)
const Color & getBaseColor() const
void allowAntiAliase(bool bNew)
OverlayManager * getOverlayManager() const
const std::vector< basegfx::B2DRange > & getRanges() const
void setRanges(std::vector< basegfx::B2DRange > &&rNew)
OverlayRangesOutline(const Color &rColor, std::vector< basegfx::B2DRange > &&rRanges)
std::vector< basegfx::B2DRange > maRanges
virtual drawinglayer::primitive2d::Primitive2DContainer createOverlayObjectPrimitive2DSequence() override
int nCount
uno_Any a
B2DPolygon createPolygonFromRect(const B2DRectangle &rRect, double fRadiusX, double fRadiusY)
B2DPolyPolygon solvePolygonOperationOr(const B2DPolyPolygon &rCandidateA, const B2DPolyPolygon &rCandidateB)
size