gfx/skia/trunk/src/core/SkValidationUtils.h@97036ab72558 (annotated)
gfx/skia/trunk/src/core/SkValidationUtils.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef SkValidationUtils_DEFINED |
| michael@0 | 9 | #define SkValidationUtils_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkBitmap.h" |
| michael@0 | 12 | #include "SkXfermode.h" |
| michael@0 | 13 | |
| michael@0 | 14 | /** Returns true if coeff's value is in the SkXfermode::Coeff enum. |
| michael@0 | 15 | */ |
| michael@0 | 16 | static inline bool SkIsValidCoeff(SkXfermode::Coeff coeff) { |
| michael@0 | 17 | return coeff >= 0 && coeff < SkXfermode::kCoeffCount; |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | /** Returns true if mode's value is in the SkXfermode::Mode enum. |
| michael@0 | 21 | */ |
| michael@0 | 22 | static inline bool SkIsValidMode(SkXfermode::Mode mode) { |
| michael@0 | 23 | return (mode >= 0) && (mode <= SkXfermode::kLastMode); |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | /** Returns true if config's value is in the SkBitmap::Config enum. |
| michael@0 | 27 | */ |
| michael@0 | 28 | static inline bool SkIsValidConfig(SkBitmap::Config config) { |
| michael@0 | 29 | return (config >= 0) && (config <= static_cast<int>(SkBitmap::kConfigCount)); |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | /** Returns true if the rect's dimensions are between 0 and SK_MaxS32 |
| michael@0 | 33 | */ |
| michael@0 | 34 | static inline bool SkIsValidIRect(const SkIRect& rect) { |
| michael@0 | 35 | return rect.width() >= 0 && rect.height() >= 0; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | /** Returns true if the rect's dimensions are between 0 and SK_ScalarMax |
| michael@0 | 39 | */ |
| michael@0 | 40 | static inline bool SkIsValidRect(const SkRect& rect) { |
| michael@0 | 41 | return (rect.fLeft <= rect.fRight) && |
| michael@0 | 42 | (rect.fTop <= rect.fBottom) && |
| michael@0 | 43 | SkScalarIsFinite(rect.width()) && |
| michael@0 | 44 | SkScalarIsFinite(rect.height()); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | #endif |
