mirror of
https://github.com/servo/servo.git
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264 lines
11 KiB
Text
264 lines
11 KiB
Text
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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// https://html.spec.whatwg.org/multipage/#2dcontext
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// typedef (HTMLImageElement or
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// SVGImageElement) HTMLOrSVGImageElement;
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typedef HTMLImageElement HTMLOrSVGImageElement;
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typedef (HTMLOrSVGImageElement or
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/*HTMLVideoElement or*/
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HTMLCanvasElement or
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/*ImageBitmap or*/
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OffscreenCanvas or
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/*VideoFrame or*/
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/*CSSImageValue*/ CSSStyleValue) CanvasImageSource;
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enum CanvasFillRule { "nonzero", "evenodd" };
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[Exposed=Window]
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interface CanvasRenderingContext2D {
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// back-reference to the canvas
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readonly attribute HTMLCanvasElement canvas;
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};
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CanvasRenderingContext2D includes CanvasState;
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CanvasRenderingContext2D includes CanvasTransform;
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CanvasRenderingContext2D includes CanvasCompositing;
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CanvasRenderingContext2D includes CanvasImageSmoothing;
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CanvasRenderingContext2D includes CanvasFillStrokeStyles;
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CanvasRenderingContext2D includes CanvasShadowStyles;
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CanvasRenderingContext2D includes CanvasFilters;
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CanvasRenderingContext2D includes CanvasRect;
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CanvasRenderingContext2D includes CanvasDrawPath;
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CanvasRenderingContext2D includes CanvasUserInterface;
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CanvasRenderingContext2D includes CanvasText;
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CanvasRenderingContext2D includes CanvasDrawImage;
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CanvasRenderingContext2D includes CanvasImageData;
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CanvasRenderingContext2D includes CanvasPathDrawingStyles;
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CanvasRenderingContext2D includes CanvasTextDrawingStyles;
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CanvasRenderingContext2D includes CanvasPath;
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interface mixin CanvasState {
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// state
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undefined save(); // push state on state stack
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undefined restore(); // pop state stack and restore state
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undefined reset();
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};
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interface mixin CanvasTransform {
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// transformations (default transform is the identity matrix)
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undefined scale(unrestricted double x, unrestricted double y);
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undefined rotate(unrestricted double angle);
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undefined translate(unrestricted double x, unrestricted double y);
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undefined transform(unrestricted double a,
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unrestricted double b,
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unrestricted double c,
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unrestricted double d,
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unrestricted double e,
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unrestricted double f);
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[NewObject] DOMMatrix getTransform();
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undefined setTransform(unrestricted double a,
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unrestricted double b,
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unrestricted double c,
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unrestricted double d,
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unrestricted double e,
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unrestricted double f);
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// void setTransform(optional DOMMatrixInit matrix);
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undefined resetTransform();
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};
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interface mixin CanvasCompositing {
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// compositing
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attribute unrestricted double globalAlpha; // (default 1.0)
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attribute DOMString globalCompositeOperation; // (default source-over)
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};
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interface mixin CanvasImageSmoothing {
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// image smoothing
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attribute boolean imageSmoothingEnabled; // (default true)
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// attribute ImageSmoothingQuality imageSmoothingQuality; // (default low)
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};
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interface mixin CanvasFillStrokeStyles {
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// colours and styles (see also the CanvasDrawingStyles interface)
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attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
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attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
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CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
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[Throws]
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CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
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[Throws]
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CanvasPattern? createPattern(CanvasImageSource image, [LegacyNullToEmptyString] DOMString repetition);
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};
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interface mixin CanvasShadowStyles {
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// shadows
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attribute unrestricted double shadowOffsetX; // (default 0)
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attribute unrestricted double shadowOffsetY; // (default 0)
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attribute unrestricted double shadowBlur; // (default 0)
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attribute DOMString shadowColor; // (default transparent black)
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};
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interface mixin CanvasFilters {
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// filters
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//attribute DOMString filter; // (default "none")
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};
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interface mixin CanvasRect {
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// rects
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undefined clearRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
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undefined fillRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
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undefined strokeRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
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};
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interface mixin CanvasDrawPath {
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// path API (see also CanvasPath)
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undefined beginPath();
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undefined fill(optional CanvasFillRule fillRule = "nonzero");
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//void fill(Path2D path, optional CanvasFillRule fillRule = "nonzero");
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undefined stroke();
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//void stroke(Path2D path);
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undefined clip(optional CanvasFillRule fillRule = "nonzero");
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//void clip(Path2D path, optional CanvasFillRule fillRule = "nonzero");
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boolean isPointInPath(unrestricted double x, unrestricted double y,
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optional CanvasFillRule fillRule = "nonzero");
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//boolean isPointInPath(Path2D path, unrestricted double x, unrestricted double y,
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// optional CanvasFillRule fillRule = "nonzero");
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//boolean isPointInStroke(unrestricted double x, unrestricted double y);
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//boolean isPointInStroke(Path2D path, unrestricted double x, unrestricted double y);
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};
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interface mixin CanvasUserInterface {
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//void drawFocusIfNeeded(Element element);
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//void drawFocusIfNeeded(Path2D path, Element element);
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//void scrollPathIntoView();
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//void scrollPathIntoView(Path2D path);
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};
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interface mixin CanvasText {
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// text (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
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[Pref="dom_canvas_text_enabled"]
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undefined fillText(DOMString text, unrestricted double x, unrestricted double y,
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optional unrestricted double maxWidth);
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//void strokeText(DOMString text, unrestricted double x, unrestricted double y,
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// optional unrestricted double maxWidth);
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[Pref="dom_canvas_text_enabled"]
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TextMetrics measureText(DOMString text);
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};
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interface mixin CanvasDrawImage {
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// drawing images
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[Throws]
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undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy);
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[Throws]
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undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy,
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unrestricted double dw, unrestricted double dh);
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[Throws]
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undefined drawImage(CanvasImageSource image, unrestricted double sx, unrestricted double sy,
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unrestricted double sw, unrestricted double sh,
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unrestricted double dx, unrestricted double dy,
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unrestricted double dw, unrestricted double dh);
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};
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interface mixin CanvasImageData {
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// pixel manipulation
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[Throws]
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ImageData createImageData(long sw, long sh);
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[Throws]
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ImageData createImageData(ImageData imagedata);
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[Throws]
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ImageData getImageData(long sx, long sy, long sw, long sh);
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undefined putImageData(ImageData imagedata, long dx, long dy);
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undefined putImageData(ImageData imagedata,
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long dx, long dy,
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long dirtyX, long dirtyY,
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long dirtyWidth, long dirtyHeight);
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};
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enum CanvasLineCap { "butt", "round", "square" };
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enum CanvasLineJoin { "round", "bevel", "miter"};
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enum CanvasTextAlign { "start", "end", "left", "right", "center" };
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enum CanvasTextBaseline { "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" };
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enum CanvasDirection { "ltr", "rtl", "inherit" };
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interface mixin CanvasPathDrawingStyles {
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// line caps/joins
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attribute unrestricted double lineWidth; // (default 1)
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attribute CanvasLineCap lineCap; // (default "butt")
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attribute CanvasLineJoin lineJoin; // (default "miter")
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attribute unrestricted double miterLimit; // (default 10)
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// dashed lines
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//void setLineDash(sequence<unrestricted double> segments); // default empty
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//sequence<unrestricted double> getLineDash();
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//attribute unrestricted double lineDashOffset;
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};
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interface mixin CanvasTextDrawingStyles {
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// text
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attribute DOMString font; // (default 10px sans-serif)
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attribute CanvasTextAlign textAlign; // "start", "end", "left", "right", "center" (default: "start")
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attribute CanvasTextBaseline textBaseline; // "top", "hanging", "middle", "alphabetic",
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// "ideographic", "bottom" (default: "alphabetic")
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attribute CanvasDirection direction; // "ltr", "rtl", "inherit" (default: "inherit")
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};
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interface mixin CanvasPath {
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// shared path API methods
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undefined closePath();
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undefined moveTo(unrestricted double x, unrestricted double y);
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undefined lineTo(unrestricted double x, unrestricted double y);
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undefined quadraticCurveTo(unrestricted double cpx, unrestricted double cpy,
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unrestricted double x, unrestricted double y);
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undefined bezierCurveTo(unrestricted double cp1x,
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unrestricted double cp1y,
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unrestricted double cp2x,
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unrestricted double cp2y,
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unrestricted double x,
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unrestricted double y);
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[Throws]
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undefined arcTo(unrestricted double x1, unrestricted double y1,
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unrestricted double x2, unrestricted double y2,
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unrestricted double radius);
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undefined rect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
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[Throws]
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undefined arc(unrestricted double x, unrestricted double y, unrestricted double radius,
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unrestricted double startAngle, unrestricted double endAngle, optional boolean anticlockwise = false);
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[Throws]
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undefined ellipse(unrestricted double x, unrestricted double y, unrestricted double radius_x,
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unrestricted double radius_y, unrestricted double rotation, unrestricted double startAngle,
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unrestricted double endAngle, optional boolean anticlockwise = false);
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};
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[Exposed=(Window, PaintWorklet, Worker)]
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interface CanvasGradient {
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// opaque object
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[Throws]
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undefined addColorStop(double offset, DOMString color);
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};
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[Exposed=(Window, PaintWorklet, Worker)]
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interface CanvasPattern {
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// opaque object
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//undefined setTransform(optional DOMMatrix2DInit transform = {});
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};
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[Exposed=(Window,Worker),
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Serializable]
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interface ImageData {
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[Throws] constructor(unsigned long sw, unsigned long sh/*, optional ImageDataSettings settings = {}*/);
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[Throws] constructor(/* Uint8ClampedArray */ object data, unsigned long sw, optional unsigned long sh
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/*, optional ImageDataSettings settings = {}*/);
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readonly attribute unsigned long width;
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readonly attribute unsigned long height;
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[Throws] readonly attribute Uint8ClampedArray data;
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//readonly attribute PredefinedColorSpace colorSpace;
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};
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