image/src/ImageMetadata.h@ac0c01689b40 (annotated)
image/src/ImageMetadata.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
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.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef ImageMetadata_h___ |
| michael@0 | 8 | #define ImageMetadata_h___ |
| michael@0 | 9 | |
| michael@0 | 10 | #include <stdint.h> |
| michael@0 | 11 | #include "mozilla/Maybe.h" |
| michael@0 | 12 | #include "nsSize.h" |
| michael@0 | 13 | #include "Orientation.h" |
| michael@0 | 14 | |
| michael@0 | 15 | namespace mozilla { |
| michael@0 | 16 | namespace image { |
| michael@0 | 17 | |
| michael@0 | 18 | class RasterImage; |
| michael@0 | 19 | |
| michael@0 | 20 | // The metadata about an image that decoders accumulate as they decode. |
| michael@0 | 21 | class ImageMetadata |
| michael@0 | 22 | { |
| michael@0 | 23 | public: |
| michael@0 | 24 | ImageMetadata() |
| michael@0 | 25 | : mHotspotX(-1) |
| michael@0 | 26 | , mHotspotY(-1) |
| michael@0 | 27 | , mLoopCount(-1) |
| michael@0 | 28 | , mIsNonPremultiplied(false) |
| michael@0 | 29 | {} |
| michael@0 | 30 | |
| michael@0 | 31 | // Set the metadata this object represents on an image. |
| michael@0 | 32 | void SetOnImage(RasterImage* image); |
| michael@0 | 33 | |
| michael@0 | 34 | void SetHotspot(uint16_t hotspotx, uint16_t hotspoty) |
| michael@0 | 35 | { |
| michael@0 | 36 | mHotspotX = hotspotx; |
| michael@0 | 37 | mHotspotY = hotspoty; |
| michael@0 | 38 | } |
| michael@0 | 39 | void SetLoopCount(int32_t loopcount) |
| michael@0 | 40 | { |
| michael@0 | 41 | mLoopCount = loopcount; |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | void SetIsNonPremultiplied(bool nonPremult) |
| michael@0 | 45 | { |
| michael@0 | 46 | mIsNonPremultiplied = nonPremult; |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | void SetSize(int32_t width, int32_t height, Orientation orientation) |
| michael@0 | 50 | { |
| michael@0 | 51 | mSize.construct(nsIntSize(width, height)); |
| michael@0 | 52 | mOrientation.construct(orientation); |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | bool HasSize() const { return !mSize.empty(); } |
| michael@0 | 56 | bool HasOrientation() const { return !mOrientation.empty(); } |
| michael@0 | 57 | |
| michael@0 | 58 | int32_t GetWidth() const { return mSize.ref().width; } |
| michael@0 | 59 | int32_t GetHeight() const { return mSize.ref().height; } |
| michael@0 | 60 | Orientation GetOrientation() const { return mOrientation.ref(); } |
| michael@0 | 61 | |
| michael@0 | 62 | private: |
| michael@0 | 63 | // The hotspot found on cursors, or -1 if none was found. |
| michael@0 | 64 | int32_t mHotspotX; |
| michael@0 | 65 | int32_t mHotspotY; |
| michael@0 | 66 | |
| michael@0 | 67 | // The loop count for animated images, or -1 for infinite loop. |
| michael@0 | 68 | int32_t mLoopCount; |
| michael@0 | 69 | |
| michael@0 | 70 | Maybe<nsIntSize> mSize; |
| michael@0 | 71 | Maybe<Orientation> mOrientation; |
| michael@0 | 72 | |
| michael@0 | 73 | bool mIsNonPremultiplied; |
| michael@0 | 74 | }; |
| michael@0 | 75 | |
| michael@0 | 76 | } // namespace image |
| michael@0 | 77 | } // namespace mozilla |
| michael@0 | 78 | |
| michael@0 | 79 | #endif // ImageMetadata_h___ |
