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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkTypes_DEFINED | 8 #ifndef SkTypes_DEFINED |
9 #define SkTypes_DEFINED | 9 #define SkTypes_DEFINED |
10 | 10 |
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393 return (a >> 31) | ((unsigned) -a >> 31); | 393 return (a >> 31) | ((unsigned) -a >> 31); |
394 } | 394 } |
395 | 395 |
396 static inline int32_t SkFastMin32(int32_t value, int32_t max) { | 396 static inline int32_t SkFastMin32(int32_t value, int32_t max) { |
397 if (value > max) { | 397 if (value > max) { |
398 value = max; | 398 value = max; |
399 } | 399 } |
400 return value; | 400 return value; |
401 } | 401 } |
402 | 402 |
403 /** Returns signed 32 bit value pinned between min and max, inclusively | 403 template <typename T> static inline const T& SkTPin(const T& x, const T& min, co
nst T& max) { |
404 */ | 404 return SkTMax(SkTMin(x, max), min); |
| 405 } |
| 406 |
| 407 /** Returns signed 32 bit value pinned between min and max, inclusively. */ |
405 static inline int32_t SkPin32(int32_t value, int32_t min, int32_t max) { | 408 static inline int32_t SkPin32(int32_t value, int32_t min, int32_t max) { |
406 if (value < min) { | 409 return SkTPin(value, min, max); |
407 value = min; | |
408 } | |
409 if (value > max) { | |
410 value = max; | |
411 } | |
412 return value; | |
413 } | 410 } |
414 | 411 |
415 static inline uint32_t SkSetClearShift(uint32_t bits, bool cond, | 412 static inline uint32_t SkSetClearShift(uint32_t bits, bool cond, |
416 unsigned shift) { | 413 unsigned shift) { |
417 SkASSERT((int)cond == 0 || (int)cond == 1); | 414 SkASSERT((int)cond == 0 || (int)cond == 1); |
418 return (bits & ~(1 << shift)) | ((int)cond << shift); | 415 return (bits & ~(1 << shift)) | ((int)cond << shift); |
419 } | 416 } |
420 | 417 |
421 static inline uint32_t SkSetClearMask(uint32_t bits, bool cond, | 418 static inline uint32_t SkSetClearMask(uint32_t bits, bool cond, |
422 uint32_t mask) { | 419 uint32_t mask) { |
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672 private: | 669 private: |
673 void* fPtr; | 670 void* fPtr; |
674 size_t fSize; // can be larger than the requested size (see kReuse) | 671 size_t fSize; // can be larger than the requested size (see kReuse) |
675 uint32_t fStorage[(kSize + 3) >> 2]; | 672 uint32_t fStorage[(kSize + 3) >> 2]; |
676 }; | 673 }; |
677 // Can't guard the constructor because it's a template class. | 674 // Can't guard the constructor because it's a template class. |
678 | 675 |
679 #endif /* C++ */ | 676 #endif /* C++ */ |
680 | 677 |
681 #endif | 678 #endif |
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