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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Note: The official spec is WIP at wiki.whatwg.org/wiki/OffscreenCanvas.
[
GarbageCollected,
Exposed=(Window,Worker),
RuntimeEnabled=ExperimentalCanvasFeatures,
] interface OffscreenCanvasRenderingContext2D {
// back-reference to the canvas
[ImplementedAs=getOffscreenCanvas] readonly attribute OffscreenCanvas offscreenCanvas;
// colors and styles
attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
// CanvasRect interface
void clearRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
void fillRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
void strokeRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
// Path API (See BaseRenderingContext2D)
void beginPath();
void fill(optional CanvasFillRule winding);
void fill(Path2D path, optional CanvasFillRule winding);
void stroke();
void stroke(Path2D path);
// Line caps/joins
attribute unrestricted double lineWidth; // (default 1)
attribute DOMString lineCap; // "butt", "round", "square" (default "butt")
attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter")
attribute unrestricted double miterLimit; // (default 10)
// dashed lines
void setLineDash(sequence<unrestricted double> dash);
sequence<unrestricted double> getLineDash();
attribute unrestricted double lineDashOffset;
};
OffscreenCanvasRenderingContext2D implements CanvasPathMethods;