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This implements the basic interface, classes and functions for OffscreenCanvas. Many are still stubbed out and have many FIXMEs in them, but it is a basic skeleton.
32 lines
1.3 KiB
Text
32 lines
1.3 KiB
Text
#import <DOM/EventTarget.idl>
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#import <HTML/OffscreenCanvasRenderingContext2D.idl>
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#import <HTML/Canvas/OffscreenCanvasBase.idl>
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// FIXME: This should be in OffscreenCanvasBase.idl but then it is not exported
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// https://html.spec.whatwg.org/multipage/canvas.html#imageencodeoptions
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dictionary ImageEncodeOptions {
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DOMString type = "image/png";
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unrestricted double quality;
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};
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// FIXME: This should be in OffscreenCanvasBase.idl but then it is not exported
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// https://html.spec.whatwg.org/multipage/canvas.html#offscreenrenderingcontextid
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enum OffscreenRenderingContextId { "2d", "bitmaprenderer", "webgl", "webgl2", "webgpu" };
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// https://html.spec.whatwg.org/multipage/canvas.html#offscreencanvas
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[Exposed=(Window,Worker), Transferable]
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interface OffscreenCanvas : EventTarget {
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constructor([EnforceRange] unsigned long long width, [EnforceRange] unsigned long long height);
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attribute unsigned long long width;
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attribute unsigned long long height;
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OffscreenRenderingContext? getContext(OffscreenRenderingContextId contextId, optional any options = null);
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ImageBitmap transferToImageBitmap();
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Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {});
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attribute EventHandler oncontextlost;
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attribute EventHandler oncontextrestored;
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};
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