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1 /* | 1 /* |
2 * Copyright (C) 2002, 2003 The Karbon Developers | 2 * Copyright (C) 2002, 2003 The Karbon Developers |
3 * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> | 3 * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> |
4 * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> | 4 * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> |
5 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. | 5 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. |
6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
11 * version 2 of the License, or (at your option) any later version. | 11 * version 2 of the License, or (at your option) any later version. |
12 * | 12 * |
13 * This library is distributed in the hope that it will be useful, | 13 * This library is distributed in the hope that it will be useful, |
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 * Library General Public License for more details. | 16 * Library General Public License for more details. |
17 * | 17 * |
18 * You should have received a copy of the GNU Library General Public License | 18 * You should have received a copy of the GNU Library General Public License |
19 * along with this library; see the file COPYING.LIB. If not, write to | 19 * along with this library; see the file COPYING.LIB. If not, write to |
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 * Boston, MA 02110-1301, USA. | 21 * Boston, MA 02110-1301, USA. |
22 */ | 22 */ |
23 | 23 |
24 #ifndef SVGPathConsumer_h | 24 #ifndef SVGPathConsumer_h |
25 #define SVGPathConsumer_h | 25 #define SVGPathConsumer_h |
26 | 26 |
27 #include "platform/geometry/FloatPoint.h" | |
28 #include "platform/heap/Handle.h" | 27 #include "platform/heap/Handle.h" |
29 #include "wtf/FastAllocBase.h" | 28 #include "wtf/FastAllocBase.h" |
30 #include "wtf/Noncopyable.h" | 29 #include "wtf/Noncopyable.h" |
31 | 30 |
32 namespace blink { | 31 namespace blink { |
33 | 32 |
34 enum PathCoordinateMode { | 33 enum PathCoordinateMode { |
35 AbsoluteCoordinates, | 34 AbsoluteCoordinates, |
36 RelativeCoordinates | 35 RelativeCoordinates |
37 }; | 36 }; |
38 | 37 |
39 enum PathParsingMode { | 38 enum PathParsingMode { |
40 NormalizedParsing, | 39 NormalizedParsing, |
41 UnalteredParsing | 40 UnalteredParsing |
42 }; | 41 }; |
43 | 42 |
| 43 struct PathSegmentData; |
| 44 |
44 class SVGPathConsumer : public NoBaseWillBeGarbageCollectedFinalized<SVGPathCons
umer> { | 45 class SVGPathConsumer : public NoBaseWillBeGarbageCollectedFinalized<SVGPathCons
umer> { |
45 WTF_MAKE_NONCOPYABLE(SVGPathConsumer); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOV
ED(SVGPathConsumer); | 46 WTF_MAKE_NONCOPYABLE(SVGPathConsumer); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOV
ED(SVGPathConsumer); |
46 public: | 47 public: |
47 SVGPathConsumer() { } | 48 SVGPathConsumer() { } |
48 virtual ~SVGPathConsumer() { } | 49 virtual ~SVGPathConsumer() { } |
49 DEFINE_INLINE_VIRTUAL_TRACE() { } | 50 DEFINE_INLINE_VIRTUAL_TRACE() { } |
50 | 51 |
51 virtual void incrementPathSegmentCount() = 0; | 52 virtual void incrementPathSegmentCount() = 0; |
52 virtual bool continueConsuming() = 0; | 53 virtual bool continueConsuming() = 0; |
53 | 54 |
54 // Used in UnalteredParsing/NormalizedParsing modes. | 55 virtual void emitSegment(const PathSegmentData&) = 0; |
55 virtual void moveTo(const FloatPoint&, PathCoordinateMode) = 0; | |
56 virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0; | |
57 virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatP
oint&, PathCoordinateMode) = 0; | |
58 virtual void closePath() = 0; | |
59 | |
60 // Only used in UnalteredParsing mode. | |
61 virtual void lineToHorizontal(float, PathCoordinateMode) = 0; | |
62 virtual void lineToVertical(float, PathCoordinateMode) = 0; | |
63 virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCo
ordinateMode) = 0; | |
64 virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoor
dinateMode) = 0; | |
65 virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) =
0; | |
66 virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, c
onst FloatPoint&, PathCoordinateMode) = 0; | |
67 }; | 56 }; |
68 | 57 |
69 } // namespace blink | 58 } // namespace blink |
70 | 59 |
71 #endif // SVGPathConsumer_h | 60 #endif // SVGPathConsumer_h |
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