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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 "SkBitmap.h"
#include "SkBlendMode.h"
#include "SkXfermodePriv.h"
/** Returns true if coeff's value is in the SkXfermode::Coeff enum.
*/
static inline bool SkIsValidCoeff(SkXfermode::Coeff coeff) {
return coeff >= 0 && coeff < SkXfermode::kCoeffCount;
}
/** 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) &&
SkScalarIsFinite(rect.width()) &&
SkScalarIsFinite(rect.height());
}
#endif
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