1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkValidationUtils_DEFINED 9 #define SkValidationUtils_DEFINED 10 11 #include "SkBitmap.h" 12 #include "SkXfermode.h" 13 14 /** Returns true if coeff's value is in the SkXfermode::Coeff enum. 15 */ 16 static inline bool SkIsValidCoeff(SkXfermode::Coeff coeff) { 17 return coeff >= 0 && coeff < SkXfermode::kCoeffCount; 18 } 19 20 /** Returns true if mode's value is in the SkXfermode::Mode enum. 21 */ 22 static inline bool SkIsValidMode(SkXfermode::Mode mode) { 23 return (mode >= 0) && (mode <= SkXfermode::kLastMode); 24 } 25 26 /** Returns true if config's value is in the SkBitmap::Config enum. 27 */ 28 static inline bool SkIsValidConfig(SkBitmap::Config config) { 29 return (config >= 0) && (config <= static_cast<int>(SkBitmap::kConfigCount)); 30 } 31 32 /** Returns true if the rect's dimensions are between 0 and SK_MaxS32 33 */ 34 static inline bool SkIsValidIRect(const SkIRect& rect) { 35 return rect.width() >= 0 && rect.height() >= 0; 36 } 37 38 /** Returns true if the rect's dimensions are between 0 and SK_ScalarMax 39 */ 40 static inline bool SkIsValidRect(const SkRect& rect) { 41 return (rect.fLeft <= rect.fRight) && 42 (rect.fTop <= rect.fBottom) && 43 SkScalarIsFinite(rect.width()) && 44 SkScalarIsFinite(rect.height()); 45 } 46 47 #endif 48
