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Side by Side Diff: src/core/SkMathPriv.h

Issue 1617813002: experiment: float color components (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix 'nother warning Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
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 SkMathPriv_DEFINED 8 #ifndef SkMathPriv_DEFINED
9 #define SkMathPriv_DEFINED 9 #define SkMathPriv_DEFINED
10 10
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71 return (prod + (prod >> 8)) >> 8; 71 return (prod + (prod >> 8)) >> 8;
72 } 72 }
73 73
74 /** Just the rounding step in SkDiv255Round: round(value / 255) 74 /** Just the rounding step in SkDiv255Round: round(value / 255)
75 */ 75 */
76 static inline unsigned SkDiv255Round(unsigned prod) { 76 static inline unsigned SkDiv255Round(unsigned prod) {
77 prod += 128; 77 prod += 128;
78 return (prod + (prod >> 8)) >> 8; 78 return (prod + (prod >> 8)) >> 8;
79 } 79 }
80 80
81 static inline float SkPinToUnitFloat(float x) {
82 return SkTMin(SkTMax(x, 0.0f), 1.0f);
83 }
84
81 #endif 85 #endif
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