The Tor Browser / file comparison
comparison: image/src/ImageMetadata.h
image/src/ImageMetadata.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:18abe1506ca9 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef ImageMetadata_h___ | |
| 8 #define ImageMetadata_h___ | |
| 9 | |
| 10 #include <stdint.h> | |
| 11 #include "mozilla/Maybe.h" | |
| 12 #include "nsSize.h" | |
| 13 #include "Orientation.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace image { | |
| 17 | |
| 18 class RasterImage; | |
| 19 | |
| 20 // The metadata about an image that decoders accumulate as they decode. | |
| 21 class ImageMetadata | |
| 22 { | |
| 23 public: | |
| 24 ImageMetadata() | |
| 25 : mHotspotX(-1) | |
| 26 , mHotspotY(-1) | |
| 27 , mLoopCount(-1) | |
| 28 , mIsNonPremultiplied(false) | |
| 29 {} | |
| 30 | |
| 31 // Set the metadata this object represents on an image. | |
| 32 void SetOnImage(RasterImage* image); | |
| 33 | |
| 34 void SetHotspot(uint16_t hotspotx, uint16_t hotspoty) | |
| 35 { | |
| 36 mHotspotX = hotspotx; | |
| 37 mHotspotY = hotspoty; | |
| 38 } | |
| 39 void SetLoopCount(int32_t loopcount) | |
| 40 { | |
| 41 mLoopCount = loopcount; | |
| 42 } | |
| 43 | |
| 44 void SetIsNonPremultiplied(bool nonPremult) | |
| 45 { | |
| 46 mIsNonPremultiplied = nonPremult; | |
| 47 } | |
| 48 | |
| 49 void SetSize(int32_t width, int32_t height, Orientation orientation) | |
| 50 { | |
| 51 mSize.construct(nsIntSize(width, height)); | |
| 52 mOrientation.construct(orientation); | |
| 53 } | |
| 54 | |
| 55 bool HasSize() const { return !mSize.empty(); } | |
| 56 bool HasOrientation() const { return !mOrientation.empty(); } | |
| 57 | |
| 58 int32_t GetWidth() const { return mSize.ref().width; } | |
| 59 int32_t GetHeight() const { return mSize.ref().height; } | |
| 60 Orientation GetOrientation() const { return mOrientation.ref(); } | |
| 61 | |
| 62 private: | |
| 63 // The hotspot found on cursors, or -1 if none was found. | |
| 64 int32_t mHotspotX; | |
| 65 int32_t mHotspotY; | |
| 66 | |
| 67 // The loop count for animated images, or -1 for infinite loop. | |
| 68 int32_t mLoopCount; | |
| 69 | |
| 70 Maybe<nsIntSize> mSize; | |
| 71 Maybe<Orientation> mOrientation; | |
| 72 | |
| 73 bool mIsNonPremultiplied; | |
| 74 }; | |
| 75 | |
| 76 } // namespace image | |
| 77 } // namespace mozilla | |
| 78 | |
| 79 #endif // ImageMetadata_h___ |
