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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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| 146 // TODO(crbug.com/630915): Align this function with current Web Animations spec | 146 // TODO(crbug.com/630915): Align this function with current Web Animations spec |
| 147 // text. | 147 // text. |
| 148 static inline double calculateIterationTime( | 148 static inline double calculateIterationTime( |
| 149 double iterationDuration, | 149 double iterationDuration, |
| 150 double repeatedDuration, | 150 double repeatedDuration, |
| 151 double scaledActiveTime, | 151 double scaledActiveTime, |
| 152 double startOffset, | 152 double startOffset, |
| 153 AnimationEffectReadOnly::Phase phase, | 153 AnimationEffectReadOnly::Phase phase, |
| 154 const Timing& specified) { | 154 const Timing& specified) { |
| 155 DCHECK_GT(iterationDuration, 0); | 155 DCHECK_GT(iterationDuration, 0); |
| 156 DCHECK_EQ(repeatedDuration, multiplyZeroAlwaysGivesZero( | 156 DCHECK_EQ( |
| 157 iterationDuration, specified.iterationCount)); | 157 repeatedDuration, |
| 158 multiplyZeroAlwaysGivesZero(iterationDuration, specified.iterationCount)); |
| 158 | 159 |
| 159 if (isNull(scaledActiveTime)) | 160 if (isNull(scaledActiveTime)) |
| 160 return nullValue(); | 161 return nullValue(); |
| 161 | 162 |
| 162 DCHECK_GE(scaledActiveTime, 0); | 163 DCHECK_GE(scaledActiveTime, 0); |
| 163 DCHECK_LE(scaledActiveTime, repeatedDuration + startOffset); | 164 DCHECK_LE(scaledActiveTime, repeatedDuration + startOffset); |
| 164 | 165 |
| 165 if (!std::isfinite(scaledActiveTime) || | 166 if (!std::isfinite(scaledActiveTime) || |
| 166 (scaledActiveTime - startOffset == repeatedDuration && | 167 (scaledActiveTime - startOffset == repeatedDuration && |
| 167 specified.iterationCount && | 168 specified.iterationCount && |
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| 249 DCHECK(timeFraction >= 0 && timeFraction <= 1); | 250 DCHECK(timeFraction >= 0 && timeFraction <= 1); |
| 250 return multiplyZeroAlwaysGivesZero( | 251 return multiplyZeroAlwaysGivesZero( |
| 251 iterationDuration, | 252 iterationDuration, |
| 252 specified.timingFunction->evaluate( | 253 specified.timingFunction->evaluate( |
| 253 timeFraction, accuracyForDuration(iterationDuration))); | 254 timeFraction, accuracyForDuration(iterationDuration))); |
| 254 } | 255 } |
| 255 | 256 |
| 256 } // namespace blink | 257 } // namespace blink |
| 257 | 258 |
| 258 #endif | 259 #endif |
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