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1 /* | |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | |
3 * | |
4 * This library is free software; you can redistribute it and/or | |
5 * modify it under the terms of the GNU Library General Public | |
6 * License as published by the Free Software Foundation; either | |
7 * version 2 of the License, or (at your option) any later version. | |
8 * | |
9 * This library is distributed in the hope that it will be useful, | |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 * Library General Public License for more details. | |
13 * | |
14 * You should have received a copy of the GNU Library General Public License | |
15 * along with this library; see the file COPYING.LIB. If not, write to | |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
17 * Boston, MA 02110-1301, USA. | |
18 */ | |
19 | |
20 #ifndef SVGMarkerLayoutInfo_h | |
21 #define SVGMarkerLayoutInfo_h | |
22 | |
23 #if ENABLE(SVG) | |
24 #include "AffineTransform.h" | |
25 #include "RenderObject.h" | |
26 #include "SVGMarkerData.h" | |
27 #include <wtf/Noncopyable.h> | |
28 | |
29 namespace WebCore { | |
30 | |
31 class Path; | |
32 class RenderSVGResourceMarker; | |
33 | |
34 struct MarkerLayout { | |
35 MarkerLayout(RenderSVGResourceMarker* markerObj = 0, AffineTransform matrixO
bj = AffineTransform()) | |
36 : marker(markerObj) | |
37 , matrix(matrixObj) | |
38 { | |
39 ASSERT(marker); | |
40 } | |
41 | |
42 RenderSVGResourceMarker* marker; | |
43 AffineTransform matrix; | |
44 }; | |
45 | |
46 class SVGMarkerLayoutInfo { | |
47 WTF_MAKE_NONCOPYABLE(SVGMarkerLayoutInfo); | |
48 public: | |
49 SVGMarkerLayoutInfo(); | |
50 ~SVGMarkerLayoutInfo(); | |
51 | |
52 FloatRect calculateBoundaries(RenderSVGResourceMarker* startMarker, RenderSV
GResourceMarker* midMarker, RenderSVGResourceMarker* endMarker, float strokeWidt
h, const Path&); | |
53 void drawMarkers(PaintInfo&); | |
54 | |
55 // Used by static inline helper functions in SVGMarkerLayoutInfo.cpp | |
56 SVGMarkerData& markerData() { return m_markerData; } | |
57 RenderSVGResourceMarker* midMarker() const { return m_midMarker; } | |
58 int& elementIndex() { return m_elementIndex; } | |
59 void addLayoutedMarker(RenderSVGResourceMarker*, const FloatPoint& origin, f
loat angle); | |
60 void clear(); | |
61 | |
62 private: | |
63 RenderSVGResourceMarker* m_midMarker; | |
64 | |
65 // Used while layouting markers | |
66 int m_elementIndex; | |
67 SVGMarkerData m_markerData; | |
68 float m_strokeWidth; | |
69 | |
70 // Holds the final computed result | |
71 Vector<MarkerLayout> m_layout; | |
72 }; | |
73 | |
74 } | |
75 | |
76 #endif | |
77 #endif | |
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