95 lines
4.5 KiB
Haxe
95 lines
4.5 KiB
Haxe
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/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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// This file is generated from mozilla\HTMLCanvasElement.webidl. Do not edit!
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package js.html;
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/**
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The `HTMLCanvasElement` interface provides properties and methods for manipulating the layout and presentation of canvas elements. The `HTMLCanvasElement` interface also inherits the properties and methods of the `HTMLElement` interface.
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Documentation [HTMLCanvasElement](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement) by [Mozilla Contributors](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement$history), licensed under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/).
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@see <https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement>
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**/
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@:native("HTMLCanvasElement")
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extern class CanvasElement extends Element {
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/**
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Is a positive `integer` reflecting the `width` HTML attribute of the `canvas` element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of `300` is used.
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**/
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var width : Int;
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/**
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Is a positive `integer` reflecting the `height` HTML attribute of the `canvas` element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of `150` is used.
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**/
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var height : Int;
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/**
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Returns a drawing context on the canvas, or null if the context ID is not supported. A drawing context lets you draw on the canvas. Calling getContext with `"2d"` returns a `CanvasRenderingContext2D` object, whereas calling it with `"webgl"` (or `"experimental-webgl"`) returns a `WebGLRenderingContext` object. This context is only available on browsers that implement WebGL.
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@throws DOMError
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**/
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function getContext( contextId : String, ?contextOptions : Dynamic ) : Dynamic;
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/**
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Returns a data-URL containing a representation of the image in the format specified by the `type` parameter (defaults to `png`). The returned image is in a resolution of 96dpi.
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@throws DOMError
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**/
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function toDataURL( type : String = "", ?encoderOptions : Dynamic ) : String;
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/**
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Creates a `Blob` object representing the image contained in the canvas; this file may be cached on the disk or stored in memory at the discretion of the user agent.
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@throws DOMError
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**/
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function toBlob( callback : Blob -> Void, type : String = "", ?encoderOptions : Dynamic ) : Void;
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/**
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Returns a `CanvasCaptureMediaStream` that is a real-time video capture of the surface of the canvas.
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@throws DOMError
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**/
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function captureStream( ?frameRate : Float ) : CanvasCaptureMediaStream;
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/** Shorthand for getting a CanvasRenderingContext2D. */
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inline function getContext2d( ?attribs : {} ) : CanvasRenderingContext2D {
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return cast getContext("2d", attribs);
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}
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/** Shorthand for getting a js.html.webgl.RenderingContext. */
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inline function getContextWebGL( ?attribs : js.html.webgl.ContextAttributes ) : js.html.webgl.RenderingContext {
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return CanvasUtil.getContextWebGL(this, attribs);
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}
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/** Shorthand for getting a js.html.webgl.WebGL2RenderingContext. */
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inline function getContextWebGL2( ?attribs : js.html.webgl.ContextAttributes ) : js.html.webgl.WebGL2RenderingContext {
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return this.getContext('webgl2', attribs);
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}
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}
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private class CanvasUtil {
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public static function getContextWebGL( canvas :CanvasElement, attribs :{} ) {
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for (name in ["webgl", "experimental-webgl"]) {
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var ctx = canvas.getContext(name, attribs);
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if (ctx != null) return ctx;
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}
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return null;
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}
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}
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