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Initial Steps OffScreenCanvas API

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Maharsh 2018-12-06 21:42:40 -05:00 • committed by Josh Matthews
parent 7400219adf
commit 0f17273276
1437 changed files with 6115 additions and 34 deletions
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25
components/script/dom/webidls/OffscreenCanvas.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// https://html.spec.whatwg.org/multipage/#the-offscreencanvas-interface
typedef (OffscreenCanvasRenderingContext2D or WebGLRenderingContext or WebGL2RenderingContext)
OffscreenRenderingContext;
dictionary ImageEncodeOptions {
DOMString type = "image/png";
unrestricted double quality = 1.0;
};
//enum OffscreenRenderingContextId { "2d", "webgl", "webgl2" };
[Constructor([EnforceRange] unsigned long long width, [EnforceRange] unsigned long long height),
Exposed=(Window,Worker)/*, Transferable*/, Pref="dom.offscreen_canvas.enabled"]
interface OffscreenCanvas : EventTarget {
attribute /*[EnforceRange]*/ unsigned long long width;
attribute /*[EnforceRange]*/ unsigned long long height;
OffscreenRenderingContext? getContext(DOMString contextId, optional any options = null);
//ImageBitmap transferToImageBitmap();
//Promise<Blob> convertToBlob(optional ImageEncodeOptions options);
};

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components/script/dom/webidls/OffscreenCanvasRenderingContext2D.webidl Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// https://html.spec.whatwg.org/multipage/#the-offscreen-2d-rendering-context
[Exposed=(Window,Worker), Pref="dom.offscreen_canvas.enabled"]
interface OffscreenCanvasRenderingContext2D {
//void commit();
readonly attribute OffscreenCanvas canvas;
};
//OffscreenCanvasRenderingContext2D includes CanvasState;
//OffscreenCanvasRenderingContext2D includes CanvasTransform;
//OffscreenCanvasRenderingContext2D includes CanvasCompositing;
//OffscreenCanvasRenderingContext2D includes CanvasImageSmoothing;
//OffscreenCanvasRenderingContext2D includes CanvasFillStrokeStyles;
//OffscreenCanvasRenderingContext2D includes CanvasShadowStyles;
//OffscreenCanvasRenderingContext2D includes CanvasFilters;
//OffscreenCanvasRenderingContext2D includes CanvasRect;
//OffscreenCanvasRenderingContext2D includes CanvasDrawPath;
//OffscreenCanvasRenderingContext2D includes CanvasText;
//OffscreenCanvasRenderingContext2D includes CanvasDrawImage;
//OffscreenCanvasRenderingContext2D includes CanvasImageData;
//OffscreenCanvasRenderingContext2D includes CanvasPathDrawingStyles;
//OffscreenCanvasRenderingContext2D includes CanvasTextDrawingStyles;
//OffscreenCanvasRenderingContext2D includes CanvasPath;