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 "include/core/SkBitmap.h" 12 #include "include/core/SkBlendMode.h" 13 14 /** Returns true if mode's value is in the SkBlendMode enum. 15 */ SkIsValidMode(SkBlendMode mode)16static inline bool SkIsValidMode(SkBlendMode mode) { 17 return (unsigned)mode <= (unsigned)SkBlendMode::kLastMode; 18 } 19 20 /** Returns true if the rect's dimensions are between 0 and SK_MaxS32 21 */ SkIsValidIRect(const SkIRect & rect)22static inline bool SkIsValidIRect(const SkIRect& rect) { 23 return rect.width() >= 0 && rect.height() >= 0; 24 } 25 26 /** Returns true if the rect's dimensions are between 0 and SK_ScalarMax 27 */ SkIsValidRect(const SkRect & rect)28static inline bool SkIsValidRect(const SkRect& rect) { 29 return (rect.fLeft <= rect.fRight) && 30 (rect.fTop <= rect.fBottom) && 31 SkIsFinite(rect.width(), rect.height()); 32 } 33 34 #endif 35