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Implement origin-clean algorithm for ImageBitmap.

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This resolves #973.
This commit is contained in:
wolfbeast 2019-02-14 11:46:21 +01:00 • committed by Roy Tam
commit 1cc92006b6
10 changed files with 143 additions and 60 deletions
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12
dom/canvas/ImageBitmap.h
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@ -65,6 +65,7 @@ struct ImageBitmapCloneData final
gfx::IntRect mPictureRect;
bool mIsPremultipliedAlpha;
bool mIsCroppingAreaOutSideOfSourceImage;
bool mWriteOnly;
};
/*
@ -161,6 +162,10 @@ public:
template<typename T>
friend class MapDataIntoBufferSource;
bool IsWriteOnly() const {
return mWriteOnly;
}
// Mozilla Extensions
ImageBitmapFormat
FindOptimalFormat(const Optional<Sequence<ImageBitmapFormat>>& aPossibleFormats,
@ -197,6 +202,7 @@ protected:
* CreateInternal(from ImageData) method.
*/
ImageBitmap(nsIGlobalObject* aGlobal, layers::Image* aData,
bool aWriteOnly,
bool aIsPremultipliedAlpha = true);
virtual ~ImageBitmap();
@ -280,6 +286,12 @@ protected:
*/
bool mIsCroppingAreaOutSideOfSourceImage;
/*
* Write-Only flag is set to true if this image has been generated from a
* cross-origin source. This is the opposite of what is called 'origin-clean'
* in the spec.
*/
bool mWriteOnly;
};
} // namespace dom