CanvasRenderingContext2D.idl   [plain text]

/*
 * Copyright (C) 2006-2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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[
    CustomIsReachable,
    JSGenerateToJSObject,
    JSCustomMarkFunction,
    CallTracingCallback=recordCanvasAction,
] interface CanvasRenderingContext2D {
    // back-reference to the canvas
    readonly attribute HTMLCanvasElement canvas;

    // Non-standard legacy aliases (Compositing).
    [ImplementedAs=setGlobalAlpha] void setAlpha(optional unrestricted float alpha = NaN);
    [ImplementedAs=setGlobalCompositeOperation] void setCompositeOperation(optional DOMString compositeOperation = "undefined"); // FIXME: Using "undefined" as default parameter value is wrong.

    // Non-standard functionality (CanvasDrawImage).
    void drawImageFromRect(HTMLImageElement image,
        optional unrestricted float sx = 0, optional unrestricted float sy = 0, optional unrestricted float sw = 0, optional unrestricted float sh = 0,
        optional unrestricted float dx = 0, optional unrestricted float dy = 0, optional unrestricted float dw = 0, optional unrestricted float dh = 0,
        optional DOMString compositeOperation = "");

    // Non-standard legacy aliases (CanvasFillStrokeStyles).
    void setStrokeColor(DOMString color, optional unrestricted float alpha);
    void setStrokeColor(unrestricted float grayLevel, optional float alpha = 1);
    void setStrokeColor(unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
    void setStrokeColor(unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);
    void setFillColor(DOMString color, optional unrestricted float alpha);
    void setFillColor(unrestricted float grayLevel, optional unrestricted float alpha = 1);
    void setFillColor(unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
    void setFillColor(unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);

    // Non-standard functionality (CanvasImageData).
    readonly attribute float webkitBackingStorePixelRatio; // Always returns 1.

    // Non-standard legacy alias (CanvasImageSmoothing).
    [ImplementedAs=imageSmoothingEnabled] attribute boolean webkitImageSmoothingEnabled;

    // Non-standard legacy aliases (CanvasPathDrawingStyles).
    void setLineWidth(optional unrestricted float width = NaN);
    void setLineCap(optional DOMString cap = "undefined"); // FIXME: Using "undefined" as default parameter value is wrong.
    void setLineJoin(optional DOMString join = "undefined"); // FIXME: Using "undefined" as default parameter value is wrong.
    void setMiterLimit(optional unrestricted float limit = NaN);
    attribute sequence<unrestricted float> webkitLineDash;
    [ImplementedAs=lineDashOffset] attribute unrestricted float webkitLineDashOffset;

    // Non-standard legacy aliases (CanvasShadowStyles).
    void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, optional DOMString color, optional unrestricted float alpha);
    void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float grayLevel, optional unrestricted float alpha = 1);
    void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
    void setShadow(float width, unrestricted float height, unrestricted float blur, unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);
    void clearShadow();

    // Inspector-only.
    [EnabledAtRuntime=InspectorAdditions] void setPath(Path2D path);
    [EnabledAtRuntime=InspectorAdditions, NewObject] Path2D getPath();
};

CanvasRenderingContext2D implements CanvasState;
CanvasRenderingContext2D implements CanvasTransform;
CanvasRenderingContext2D implements CanvasCompositing;
CanvasRenderingContext2D implements CanvasImageSmoothing;
CanvasRenderingContext2D implements CanvasFillStrokeStyles;
CanvasRenderingContext2D implements CanvasShadowStyles;
CanvasRenderingContext2D implements CanvasFilters;
CanvasRenderingContext2D implements CanvasRect;
CanvasRenderingContext2D implements CanvasDrawPath;
CanvasRenderingContext2D implements CanvasUserInterface;
CanvasRenderingContext2D implements CanvasText;
CanvasRenderingContext2D implements CanvasDrawImage;
CanvasRenderingContext2D implements CanvasImageData;
CanvasRenderingContext2D implements CanvasPathDrawingStyles;
CanvasRenderingContext2D implements CanvasTextDrawingStyles;
CanvasRenderingContext2D implements CanvasPath;