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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef TimingCalculations_h | 31 #ifndef TimingCalculations_h |
| 32 #define TimingCalculations_h | 32 #define TimingCalculations_h |
| 33 | 33 |
| 34 #include "core/animation/AnimationNode.h" | 34 #include "sky/engine/core/animation/AnimationNode.h" |
| 35 #include "core/animation/Timing.h" | 35 #include "sky/engine/core/animation/Timing.h" |
| 36 #include "platform/animation/AnimationUtilities.h" | 36 #include "sky/engine/platform/animation/AnimationUtilities.h" |
| 37 #include "wtf/MathExtras.h" | 37 #include "sky/engine/wtf/MathExtras.h" |
| 38 | 38 |
| 39 namespace blink { | 39 namespace blink { |
| 40 | 40 |
| 41 static inline double multiplyZeroAlwaysGivesZero(double x, double y) | 41 static inline double multiplyZeroAlwaysGivesZero(double x, double y) |
| 42 { | 42 { |
| 43 ASSERT(!isNull(x)); | 43 ASSERT(!isNull(x)); |
| 44 ASSERT(!isNull(y)); | 44 ASSERT(!isNull(y)); |
| 45 return x && y ? x * y : 0; | 45 return x && y ? x * y : 0; |
| 46 } | 46 } |
| 47 | 47 |
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| 189 if (!std::isfinite(iterationDuration)) | 189 if (!std::isfinite(iterationDuration)) |
| 190 return directedTime; | 190 return directedTime; |
| 191 double timeFraction = directedTime / iterationDuration; | 191 double timeFraction = directedTime / iterationDuration; |
| 192 ASSERT(timeFraction >= 0 && timeFraction <= 1); | 192 ASSERT(timeFraction >= 0 && timeFraction <= 1); |
| 193 return multiplyZeroAlwaysGivesZero(iterationDuration, specified.timingFuncti
on->evaluate(timeFraction, accuracyForDuration(iterationDuration))); | 193 return multiplyZeroAlwaysGivesZero(iterationDuration, specified.timingFuncti
on->evaluate(timeFraction, accuracyForDuration(iterationDuration))); |
| 194 } | 194 } |
| 195 | 195 |
| 196 } // namespace blink | 196 } // namespace blink |
| 197 | 197 |
| 198 #endif | 198 #endif |
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