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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkInterpolator_DEFINED | 10 #ifndef SkInterpolator_DEFINED |
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52 void setRepeatCount(SkScalar repeatCount) { fRepeat = repeatCount; } | 52 void setRepeatCount(SkScalar repeatCount) { fRepeat = repeatCount; } |
53 | 53 |
54 /** Set the whether the repeat is mirrored. | 54 /** Set the whether the repeat is mirrored. |
55 @param reset If true, the odd repeats interpolate from the last key | 55 @param reset If true, the odd repeats interpolate from the last key |
56 frame and the first. | 56 frame and the first. |
57 */ | 57 */ |
58 void setReset(bool reset) { | 58 void setReset(bool reset) { |
59 fFlags = SkToU8((fFlags & ~kReset) | (int)reset); | 59 fFlags = SkToU8((fFlags & ~kReset) | (int)reset); |
60 } | 60 } |
61 | 61 |
62 Result timeToT(SkMSec time, SkScalar* T, int* index, SkBool* exact) const; | 62 Result timeToT(SkMSec time, SkScalar* T, int* index, bool* exact) const; |
63 | 63 |
64 protected: | 64 protected: |
65 enum Flags { | 65 enum Flags { |
66 kMirror = 1, | 66 kMirror = 1, |
67 kReset = 2, | 67 kReset = 2, |
68 kHasBlend = 4 | 68 kHasBlend = 4 |
69 }; | 69 }; |
70 static SkScalar ComputeRelativeT(SkMSec time, SkMSec prevTime, | 70 static SkScalar ComputeRelativeT(SkMSec time, SkMSec prevTime, |
71 SkMSec nextTime, const SkScalar blend[4] = NULL); | 71 SkMSec nextTime, const SkScalar blend[4] = NULL); |
72 int16_t fFrameCount; | 72 int16_t fFrameCount; |
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121 typedef SkInterpolatorBase INHERITED; | 121 typedef SkInterpolatorBase INHERITED; |
122 }; | 122 }; |
123 | 123 |
124 /** Given all the parameters are [0...1], apply the cubic specified by (0,0) | 124 /** Given all the parameters are [0...1], apply the cubic specified by (0,0) |
125 (bx,by) (cx,cy) (1,1) to value, returning the answer, also [0...1]. | 125 (bx,by) (cx,cy) (1,1) to value, returning the answer, also [0...1]. |
126 */ | 126 */ |
127 SkScalar SkUnitCubicInterp(SkScalar value, SkScalar bx, SkScalar by, | 127 SkScalar SkUnitCubicInterp(SkScalar value, SkScalar bx, SkScalar by, |
128 SkScalar cx, SkScalar cy); | 128 SkScalar cx, SkScalar cy); |
129 | 129 |
130 #endif | 130 #endif |
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