SkValidationUtils.h

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/*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef SkValidationUtils_DEFINED
#define SkValidationUtils_DEFINED
 
#include "include/core/SkBitmap.h"
#include "include/core/SkBlendMode.h"
 
/** Returns true if mode's value is in the SkBlendMode enum.
  */
static inline bool SkIsValidMode(SkBlendMode mode) {
    return (unsigned)mode <= (unsigned)SkBlendMode::kLastMode;
}
 
/** Returns true if the rect's dimensions are between 0 and SK_MaxS32
  */
static inline bool SkIsValidIRect(const SkIRect& rect) {
    return rect.width() >= 0 && rect.height() >= 0;
}
 
/** Returns true if the rect's dimensions are between 0 and SK_ScalarMax
  */
static inline bool SkIsValidRect(const SkRect& rect) {
    return (rect.fLeft <= rect.fRight) &&
           (rect.fTop <= rect.fBottom) &&
           SkIsFinite(rect.width(), rect.height());
}
 
#endif