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 */ 16static 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 */ 22static inline bool SkIsValidMode(SkXfermode::Mode mode) { 23 return (mode >= 0) && (mode <= SkXfermode::kLastMode); 24} 25 26/** Returns true if the rect's dimensions are between 0 and SK_MaxS32 27 */ 28static inline bool SkIsValidIRect(const SkIRect& rect) { 29 return rect.width() >= 0 && rect.height() >= 0; 30} 31 32/** Returns true if the rect's dimensions are between 0 and SK_ScalarMax 33 */ 34static inline bool SkIsValidRect(const SkRect& rect) { 35 return (rect.fLeft <= rect.fRight) && 36 (rect.fTop <= rect.fBottom) && 37 SkScalarIsFinite(rect.width()) && 38 SkScalarIsFinite(rect.height()); 39} 40 41#endif 42