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Side by Side Diff: third_party/WebKit/Source/platform/graphics/Path.h

Issue 1497683002: Make platform/graphics to use USING_FAST_MALLOC. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years ago
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1 /* 1 /*
2 * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved. 2 * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
3 * 2006 Rob Buis <buis@kde.org> 3 * 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) 2007-2008 Torch Mobile, Inc. 4 * Copyright (C) 2007-2008 Torch Mobile, Inc.
5 * Copyright (C) 2013 Google Inc. All rights reserved. 5 * Copyright (C) 2013 Google Inc. All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions 8 * modification, are permitted provided that the following conditions
9 * are met: 9 * are met:
10 * 1. Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright
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86 void pointAndNormalAtLength(float length, FloatPoint&, float&) const; 86 void pointAndNormalAtLength(float length, FloatPoint&, float&) const;
87 87
88 // Helper for computing a sequence of positions and normals (normal angles) on a path. 88 // Helper for computing a sequence of positions and normals (normal angles) on a path.
89 // The best possible access pattern will be one where the |length| value is 89 // The best possible access pattern will be one where the |length| value is
90 // strictly increasing. 90 // strictly increasing.
91 // For other access patterns, performance will vary depending on curvature 91 // For other access patterns, performance will vary depending on curvature
92 // and number of segments, but should never be worse than that of the 92 // and number of segments, but should never be worse than that of the
93 // state-less method on Path. 93 // state-less method on Path.
94 class PLATFORM_EXPORT PositionCalculator { 94 class PLATFORM_EXPORT PositionCalculator {
95 WTF_MAKE_NONCOPYABLE(PositionCalculator); 95 WTF_MAKE_NONCOPYABLE(PositionCalculator);
96 USING_FAST_MALLOC(PositionCalculator);
96 public: 97 public:
97 explicit PositionCalculator(const Path&); 98 explicit PositionCalculator(const Path&);
98 99
99 void pointAndNormalAtLength(float length, FloatPoint&, float&); 100 void pointAndNormalAtLength(float length, FloatPoint&, float&);
100 101
101 private: 102 private:
102 SkPath m_path; 103 SkPath m_path;
103 SkPathMeasure m_pathMeasure; 104 SkPathMeasure m_pathMeasure;
104 SkScalar m_accumulatedLength; 105 SkScalar m_accumulatedLength;
105 }; 106 };
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156 SkPath m_path; 157 SkPath m_path;
157 }; 158 };
158 159
159 #if ENABLE(ASSERT) 160 #if ENABLE(ASSERT)
160 PLATFORM_EXPORT bool ellipseIsRenderable(float startAngle, float endAngle); 161 PLATFORM_EXPORT bool ellipseIsRenderable(float startAngle, float endAngle);
161 #endif 162 #endif
162 163
163 } // namespace blink 164 } // namespace blink
164 165
165 #endif 166 #endif
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