The Tor Browser: image/src/Orientation.h@ac0c01689b40

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     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/. */

     6 #ifndef MOZILLA_IMAGELIB_ORIENTATION_H_

     7 #define MOZILLA_IMAGELIB_ORIENTATION_H_

     9 #include <stdint.h>

    10 #include "mozilla/TypedEnum.h"

    12 namespace mozilla {

    13 namespace image {

    15 MOZ_BEGIN_ENUM_CLASS(Angle, uint8_t)

    16   D0,

    17   D90,

    18   D180,

    19   D270

    20 MOZ_END_ENUM_CLASS(Angle)

    22 MOZ_BEGIN_ENUM_CLASS(Flip, uint8_t)

    23   Unflipped,

    24   Horizontal

    25 MOZ_END_ENUM_CLASS(Flip)

    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   { }

    39   bool IsIdentity() const {

    40     return (rotation == Angle::D0) && (flip == Flip::Unflipped);

    41   }

    43   bool SwapsWidthAndHeight() const {

    44     return (rotation == Angle::D90) || (rotation == Angle::D270);

    45   }

    47   bool operator==(const Orientation& aOther) const {

    48     return (rotation == aOther.rotation) && (flip == aOther.flip);

    49   }

    51   bool operator!=(const Orientation& aOther) const {

    52     return !(*this == aOther);

    53   }

    55   Angle rotation;

    56   Flip  flip;

    57 };

    59 }

    60 }

    62 #endif

The Tor Browser / file revision

image/src/Orientation.h@ac0c01689b40

image/src/Orientation.h