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 "SkBlendMode.h" 13 #include "SkXfermodePriv.h" 14 15 /** Returns true if mode's value is in the SkBlendMode enum. 16 */ 17 static inline bool SkIsValidMode(SkBlendMode mode) { 18 return (unsigned)mode <= (unsigned)SkBlendMode::kLastMode; 19 } 20 21 /** Returns true if the rect's dimensions are between 0 and SK_MaxS32 22 */ 23 static inline bool SkIsValidIRect(const SkIRect& rect) { 24 return rect.width() >= 0 && rect.height() >= 0; 25 } 26 27 /** Returns true if the rect's dimensions are between 0 and SK_ScalarMax 28 */ 29 static inline bool SkIsValidRect(const SkRect& rect) { 30 return (rect.fLeft <= rect.fRight) && 31 (rect.fTop <= rect.fBottom) && 32 SkScalarIsFinite(rect.width()) && 33 SkScalarIsFinite(rect.height()); 34 } 35 36 #endif 37
