The Tor Browser / file comparison
comparison: image/src/Orientation.h
image/src/Orientation.h
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:b45b7837ff7f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef MOZILLA_IMAGELIB_ORIENTATION_H_ | |
| 7 #define MOZILLA_IMAGELIB_ORIENTATION_H_ | |
| 8 | |
| 9 #include <stdint.h> | |
| 10 #include "mozilla/TypedEnum.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace image { | |
| 14 | |
| 15 MOZ_BEGIN_ENUM_CLASS(Angle, uint8_t) | |
| 16 D0, | |
| 17 D90, | |
| 18 D180, | |
| 19 D270 | |
| 20 MOZ_END_ENUM_CLASS(Angle) | |
| 21 | |
| 22 MOZ_BEGIN_ENUM_CLASS(Flip, uint8_t) | |
| 23 Unflipped, | |
| 24 Horizontal | |
| 25 MOZ_END_ENUM_CLASS(Flip) | |
| 26 | |
| 27 /** | |
| 28 * A struct that describes an image's orientation as a rotation optionally | |
| 29 * followed by a reflection. This may be used to be indicate an image's inherent | |
| 30 * orientation or a desired orientation for the image. | |
| 31 */ | |
| 32 struct Orientation | |
| 33 { | |
| 34 Orientation(Angle aRotation = Angle::D0, Flip mFlip = Flip::Unflipped) | |
| 35 : rotation(aRotation) | |
| 36 , flip(mFlip) | |
| 37 { } | |
| 38 | |
| 39 bool IsIdentity() const { | |
| 40 return (rotation == Angle::D0) && (flip == Flip::Unflipped); | |
| 41 } | |
| 42 | |
| 43 bool SwapsWidthAndHeight() const { | |
| 44 return (rotation == Angle::D90) || (rotation == Angle::D270); | |
| 45 } | |
| 46 | |
| 47 bool operator==(const Orientation& aOther) const { | |
| 48 return (rotation == aOther.rotation) && (flip == aOther.flip); | |
| 49 } | |
| 50 | |
| 51 bool operator!=(const Orientation& aOther) const { | |
| 52 return !(*this == aOther); | |
| 53 } | |
| 54 | |
| 55 Angle rotation; | |
| 56 Flip flip; | |
| 57 }; | |
| 58 | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 #endif |
