/*
 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * 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 COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

module html {

    interface [
        InterfaceUUID=98fb48ae-7216-489c-862b-8e1217fc4443,
        ImplementationUUID=ab4f0781-152f-450e-9546-5b3987491a54
    ] CanvasRenderingContext2D : CanvasRenderingContext {

        // Web Applications 1.0 draft

        void save();
        void restore();

        void scale(in float sx, in float sy);
        void rotate(in float angle);
        void translate(in float tx, in float ty);
        void transform(in float m11, in float m12, in float m21, in float m22, in float dx, in float dy);
        void setTransform(in float m11, in float m12, in float m21, in float m22, in float dx, in float dy);

        attribute float globalAlpha;
        attribute [ConvertNullToNullString] DOMString globalCompositeOperation;

        CanvasGradient createLinearGradient(in float x0, in float y0, in float x1, in float y1)
            raises (DOMException);
        CanvasGradient createRadialGradient(in float x0, in float y0, in float r0, in float x1, in float y1, in float r1)
            raises (DOMException);

        attribute float lineWidth;
        attribute [ConvertNullToNullString] DOMString lineCap;
        attribute [ConvertNullToNullString] DOMString lineJoin;
        attribute float miterLimit;

        attribute float shadowOffsetX;
        attribute float shadowOffsetY;
        attribute float shadowBlur;
        attribute [ConvertNullToNullString] DOMString shadowColor;

        void clearRect(in float x, in float y, in float width, in float height);
        void fillRect(in float x, in float y, in float width, in float height);

        void beginPath();
        void closePath();
        void moveTo(in float x, in float y);
        void lineTo(in float x, in float y);
        void quadraticCurveTo(in float cpx, in float cpy, in float x, in float y);
        void bezierCurveTo(in float cp1x, in float cp1y, in float cp2x, in float cp2y, in float x, in float y);
        void arcTo(in float x1, in float y1, in float x2, in float y2, in float radius)
            raises (DOMException);
        void rect(in float x, in float y, in float width, in float height);
        void arc(in float x, in float y, in float radius, in float startAngle, in float endAngle, in boolean anticlockwise)
            raises (DOMException);
        void fill();
        void stroke();
        void clip();
        boolean isPointInPath(in float x, in float y);

        // text
        attribute DOMString font;
        attribute DOMString textAlign;
        attribute DOMString textBaseline;

        TextMetrics measureText(in DOMString text);

        // other

        void setAlpha(in float alpha);
        void setCompositeOperation(in DOMString compositeOperation);

#if !defined(LANGUAGE_CPP) || !LANGUAGE_CPP
        void setLineWidth(in float width);
        void setLineCap(in DOMString cap);
        void setLineJoin(in DOMString join);
        void setMiterLimit(in float limit);
#endif

        void clearShadow();

#if defined(V8_BINDING) && V8_BINDING
        void fillText(in DOMString text, in float x, in float y, in [Optional] float maxWidth);
        void strokeText(in DOMString text, in float x, in float y, in [Optional] float maxWidth);

        void setStrokeColor(in DOMString color, in [Optional] float alpha);
        void setStrokeColor(in float grayLevel, in [Optional] float alpha);
        void setStrokeColor(in float r, in float g, in float b, in float a);
        void setStrokeColor(in float c, in float m, in float y, in float k, in float a);

        void setFillColor(in DOMString color, in [Optional] float alpha);
        void setFillColor(in float grayLevel, in [Optional] float alpha);
        void setFillColor(in float r, in float g, in float b, in float a);
        void setFillColor(in float c, in float m, in float y, in float k, in float a);

        void strokeRect(in float x, in float y, in float width, in float height, in [Optional] float lineWidth);

        void drawImage(in HTMLImageElement image, in float x, in float y)
            raises (DOMException);
        void drawImage(in HTMLImageElement image, in float x, in float y, in float width, in float height)
            raises (DOMException);
        void drawImage(in HTMLImageElement image, in float sx, in float sy, in float sw, in float sh, in float dx, in float dy, in float dw, in float dh)
            raises (DOMException);
        void drawImage(in HTMLCanvasElement canvas, in float x, in float y)
            raises (DOMException);
        void drawImage(in HTMLCanvasElement canvas, in float x, in float y, in float width, in float height)
            raises (DOMException);
        void drawImage(in HTMLCanvasElement canvas, in float sx, in float sy, in float sw, in float sh, in float dx, in float dy, in float dw, in float dh)
            raises (DOMException);
#if defined(ENABLE_VIDEO) && ENABLE_VIDEO
        void drawImage(in HTMLVideoElement video, in float x, in float y)
            raises (DOMException);
        void drawImage(in HTMLVideoElement video, in float x, in float y, in float width, in float height)
            raises (DOMException);
        void drawImage(in HTMLVideoElement video, in float sx, in float sy, in float sw, in float sh, in float dx, in float dy, in float dw, in float dh)
            raises (DOMException);
#endif
        void drawImageFromRect(in HTMLImageElement image,
                               in float sx, in float sy, in float sw, in float sh,
                               in float dx, in float dy, in float dw, in float dh, in DOMString compositeOperation);

        void setShadow(in float width, in float height, in float blur, in [Optional] DOMString color, in [Optional] float alpha);
        void setShadow(in float width, in float height, in float blur, in float grayLevel, in [Optional] float alpha);
        void setShadow(in float width, in float height, in float blur, in float r, in float g, in float b, in float a);
        void setShadow(in float width, in float height, in float blur, in float c, in float m, in float y, in float k, in float a);

        CanvasPattern createPattern(in HTMLCanvasElement canvas, in [ConvertNullToNullString] DOMString repetitionType)
            raises (DOMException);
        CanvasPattern createPattern(in HTMLImageElement image, in [ConvertNullToNullString] DOMString repetitionType)
            raises (DOMException);
        void putImageData(in ImageData imagedata, in float dx, in float dy, in [Optional] float dirtyX, in float dirtyY, in float dirtyWidth, in float dirtyHeight)
            raises(DOMException);
        ImageData createImageData(in ImageData imagedata)
            raises (DOMException);
        ImageData createImageData(in float sw, in float sh)
            raises (DOMException);
#else
        // FIXME: Remove 'else' once JSC supports overloads too.
        [Custom] void fillText(/* 4 */);
        [Custom] void strokeText(/* 4 */);
        [Custom] void setStrokeColor(/* 1  */);
        [Custom] void setFillColor(/* 1 */);
        [Custom] void strokeRect(/* 4 */);
        [Custom] void drawImage(/* 3 */);
        [Custom] void drawImageFromRect(/* 10 */);
        [Custom] void setShadow(/* 3 */);
        [Custom] void createPattern(/* 2 */);
        [Custom] void putImageData(/* in ImageData imagedata, in float dx, in float dy [, in float dirtyX, in float dirtyY, in float dirtyWidth, in float dirtyHeight] */);
        [Custom] ImageData createImageData(/* 3 */);
#endif // defined(V8_BINDING)

        attribute [Custom] custom strokeStyle;
        attribute [Custom] custom fillStyle;

        // pixel manipulation
        ImageData getImageData(in float sx, in float sy, in float sw, in float sh)
            raises(DOMException);
    };

}