The Tor Browser: gfx/skia/trunk/src/core/SkValidationUtils.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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  */

     8 #ifndef SkValidationUtils_DEFINED

     9 #define SkValidationUtils_DEFINED

    11 #include "SkBitmap.h"

    12 #include "SkXfermode.h"

    14 /** Returns true if coeff's value is in the SkXfermode::Coeff enum.

    15   */

    16 static inline bool SkIsValidCoeff(SkXfermode::Coeff coeff) {

    17     return coeff >= 0 && coeff < SkXfermode::kCoeffCount;

    18 }

    20 /** Returns true if mode's value is in the SkXfermode::Mode enum.

    21   */

    22 static inline bool SkIsValidMode(SkXfermode::Mode mode) {

    23     return (mode >= 0) && (mode <= SkXfermode::kLastMode);

    24 }

    26 /** Returns true if config's value is in the SkBitmap::Config enum.

    27   */

    28 static inline bool SkIsValidConfig(SkBitmap::Config config) {

    29     return (config >= 0) && (config <= static_cast<int>(SkBitmap::kConfigCount));

    30 }

    32 /** Returns true if the rect's dimensions are between 0 and SK_MaxS32

    33   */

    34 static inline bool SkIsValidIRect(const SkIRect& rect) {

    35     return rect.width() >= 0 && rect.height() >= 0;

    36 }

    38 /** Returns true if the rect's dimensions are between 0 and SK_ScalarMax

    39   */

    40 static inline bool SkIsValidRect(const SkRect& rect) {

    41     return (rect.fLeft <= rect.fRight) &&

    42            (rect.fTop <= rect.fBottom) &&

    43            SkScalarIsFinite(rect.width()) &&

    44            SkScalarIsFinite(rect.height());

    45 }

    47 #endif

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