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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" | 27 #include "platform/geometry/FloatPoint.h" |
| 28 #include "platform/heap/Handle.h" |
28 #include "wtf/FastAllocBase.h" | 29 #include "wtf/FastAllocBase.h" |
29 #include "wtf/Noncopyable.h" | 30 #include "wtf/Noncopyable.h" |
30 | 31 |
31 namespace blink { | 32 namespace blink { |
32 | 33 |
33 enum PathCoordinateMode { | 34 enum PathCoordinateMode { |
34 AbsoluteCoordinates, | 35 AbsoluteCoordinates, |
35 RelativeCoordinates | 36 RelativeCoordinates |
36 }; | 37 }; |
37 | 38 |
38 enum PathParsingMode { | 39 enum PathParsingMode { |
39 NormalizedParsing, | 40 NormalizedParsing, |
40 UnalteredParsing | 41 UnalteredParsing |
41 }; | 42 }; |
42 | 43 |
43 class SVGPathConsumer { | 44 class SVGPathConsumer : public NoBaseWillBeGarbageCollectedFinalized<SVGPathCons
umer> { |
44 WTF_MAKE_NONCOPYABLE(SVGPathConsumer); WTF_MAKE_FAST_ALLOCATED; | 45 WTF_MAKE_NONCOPYABLE(SVGPathConsumer); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOV
ED; |
45 public: | 46 public: |
46 SVGPathConsumer() { } | 47 SVGPathConsumer() { } |
| 48 virtual ~SVGPathConsumer() { } |
| 49 virtual void trace(Visitor*) { } |
| 50 |
47 virtual void incrementPathSegmentCount() = 0; | 51 virtual void incrementPathSegmentCount() = 0; |
48 virtual bool continueConsuming() = 0; | 52 virtual bool continueConsuming() = 0; |
49 virtual void cleanup() = 0; | 53 virtual void cleanup() = 0; |
50 | 54 |
51 // Used in UnalteredParsing/NormalizedParsing modes. | 55 // Used in UnalteredParsing/NormalizedParsing modes. |
52 virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0; | 56 virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0; |
53 virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0; | 57 virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0; |
54 virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatP
oint&, PathCoordinateMode) = 0; | 58 virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatP
oint&, PathCoordinateMode) = 0; |
55 virtual void closePath() = 0; | 59 virtual void closePath() = 0; |
56 | 60 |
57 // Only used in UnalteredParsing mode. | 61 // Only used in UnalteredParsing mode. |
58 virtual void lineToHorizontal(float, PathCoordinateMode) = 0; | 62 virtual void lineToHorizontal(float, PathCoordinateMode) = 0; |
59 virtual void lineToVertical(float, PathCoordinateMode) = 0; | 63 virtual void lineToVertical(float, PathCoordinateMode) = 0; |
60 virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCo
ordinateMode) = 0; | 64 virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCo
ordinateMode) = 0; |
61 virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoor
dinateMode) = 0; | 65 virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoor
dinateMode) = 0; |
62 virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) =
0; | 66 virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) =
0; |
63 virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, c
onst FloatPoint&, PathCoordinateMode) = 0; | 67 virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, c
onst FloatPoint&, PathCoordinateMode) = 0; |
64 | |
65 protected: | |
66 virtual ~SVGPathConsumer() { } | |
67 }; | 68 }; |
68 | 69 |
69 } // namespace blink | 70 } // namespace blink |
70 | 71 |
71 #endif // SVGPathConsumer_h | 72 #endif // SVGPathConsumer_h |
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