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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/animation/animatable/AnimatablePath.h" | 5 #include "core/animation/animatable/AnimatablePath.h" |
6 | 6 |
7 #include "core/svg/SVGPathBlender.h" | 7 #include "core/svg/SVGPathBlender.h" |
8 #include "core/svg/SVGPathByteStreamBuilder.h" | 8 #include "core/svg/SVGPathByteStreamBuilder.h" |
9 #include "core/svg/SVGPathByteStreamSource.h" | 9 #include "core/svg/SVGPathByteStreamSource.h" |
10 #include "core/svg/SVGPathUtilities.h" | |
11 | 10 |
12 namespace blink { | 11 namespace blink { |
13 | 12 |
14 bool AnimatablePath::usesDefaultInterpolationWith(const AnimatableValue* value)
const | 13 bool AnimatablePath::usesDefaultInterpolationWith(const AnimatableValue* value)
const |
15 { | 14 { |
16 // Default interpolation is used if the paths have different lengths, | 15 // Default interpolation is used if the paths have different lengths, |
17 // or the paths have a segment with different types (ignoring "relativeness"
). | 16 // or the paths have a segment with different types (ignoring "relativeness"
). |
18 | 17 |
19 SVGPathByteStreamSource fromSource(pathValue()->byteStream()); | 18 SVGPathByteStreamSource fromSource(path()->byteStream()); |
20 SVGPathByteStreamSource toSource(toAnimatablePath(value)->pathValue()->byteS
tream()); | 19 SVGPathByteStreamSource toSource(toAnimatablePath(value)->path()->byteStream
()); |
21 | 20 |
22 while (fromSource.hasMoreData()) { | 21 while (fromSource.hasMoreData()) { |
23 if (!toSource.hasMoreData()) | 22 if (!toSource.hasMoreData()) |
24 return true; | 23 return true; |
25 | 24 |
26 PathSegmentData fromSeg = fromSource.parseSegment(); | 25 PathSegmentData fromSeg = fromSource.parseSegment(); |
27 PathSegmentData toSeg = toSource.parseSegment(); | 26 PathSegmentData toSeg = toSource.parseSegment(); |
28 ASSERT(fromSeg.command != PathSegUnknown); | 27 ASSERT(fromSeg.command != PathSegUnknown); |
29 ASSERT(toSeg.command != PathSegUnknown); | 28 ASSERT(toSeg.command != PathSegUnknown); |
30 | 29 |
31 if (toAbsolutePathSegType(fromSeg.command) != toAbsolutePathSegType(toSe
g.command)) | 30 if (toAbsolutePathSegType(fromSeg.command) != toAbsolutePathSegType(toSe
g.command)) |
32 return true; | 31 return true; |
33 } | 32 } |
34 | 33 |
35 return toSource.hasMoreData(); | 34 return toSource.hasMoreData(); |
36 } | 35 } |
37 | 36 |
38 PassRefPtr<AnimatableValue> AnimatablePath::interpolateTo(const AnimatableValue*
value, double fraction) const | 37 PassRefPtr<AnimatableValue> AnimatablePath::interpolateTo(const AnimatableValue*
value, double fraction) const |
39 { | 38 { |
40 if (usesDefaultInterpolationWith(value)) | 39 if (usesDefaultInterpolationWith(value)) |
41 return defaultInterpolateTo(this, value, fraction); | 40 return defaultInterpolateTo(this, value, fraction); |
42 | 41 |
43 OwnPtr<SVGPathByteStream> byteStream = SVGPathByteStream::create(); | 42 RefPtr<SVGPathByteStream> byteStream = SVGPathByteStream::create(); |
44 SVGPathByteStreamBuilder builder(*byteStream); | 43 SVGPathByteStreamBuilder builder(*byteStream); |
45 | 44 |
46 SVGPathByteStreamSource fromSource(pathValue()->byteStream()); | 45 SVGPathByteStreamSource fromSource(path()->byteStream()); |
47 SVGPathByteStreamSource toSource(toAnimatablePath(value)->pathValue()->byteS
tream()); | 46 SVGPathByteStreamSource toSource(toAnimatablePath(value)->path()->byteStream
()); |
48 | 47 |
49 SVGPathBlender blender(&fromSource, &toSource, &builder); | 48 SVGPathBlender blender(&fromSource, &toSource, &builder); |
50 bool ok = blender.blendAnimatedPath(fraction); | 49 bool ok = blender.blendAnimatedPath(fraction); |
51 ASSERT_UNUSED(ok, ok); | 50 ASSERT_UNUSED(ok, ok); |
52 return AnimatablePath::create(CSSPathValue::create(byteStream.release())); | 51 return AnimatablePath::create(StylePath::create(byteStream.release())); |
| 52 } |
| 53 |
| 54 StylePath* AnimatablePath::path() const |
| 55 { |
| 56 return m_path.get(); |
53 } | 57 } |
54 | 58 |
55 bool AnimatablePath::equalTo(const AnimatableValue* value) const | 59 bool AnimatablePath::equalTo(const AnimatableValue* value) const |
56 { | 60 { |
57 return pathValue()->equals(*toAnimatablePath(value)->pathValue()); | 61 return m_path->equals(*toAnimatablePath(value)->path()); |
58 } | 62 } |
59 | 63 |
60 } // namespace blink | 64 } // namespace blink |
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