happy-dom
Version:
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
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JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const HTMLElement_js_1 = __importDefault(require("../html-element/HTMLElement.cjs"));
const PropertySymbol = __importStar(require("../../PropertySymbol.cjs"));
const Blob_js_1 = __importDefault(require("../../file/Blob.cjs"));
const OffscreenCanvas_js_1 = __importDefault(require("./OffscreenCanvas.cjs"));
const DEVICE_ID = 'S3F/aBCdEfGHIjKlMnOpQRStUvWxYz1234567890+1AbC2DEf2GHi3jK34le+ab12C3+1aBCdEf==';
/**
* HTMLCanvasElement
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement
*/
class HTMLCanvasElement extends HTMLElement_js_1.default {
// Events
oncontextlost = null;
oncontextrestored = null;
onwebglcontextcreationerror = null;
onwebglcontextlost = null;
onwebglcontextrestored = null;
/**
* Returns width.
*
* @returns Width.
*/
get width() {
const width = this.getAttribute('width');
return width !== null ? Number(width) : 300;
}
/**
* Sets width.
*
* @param width Width.
*/
set width(width) {
this.setAttribute('width', String(width));
}
/**
* Returns height.
*
* @returns Height.
*/
get height() {
const height = this.getAttribute('height');
return height !== null ? Number(height) : 150;
}
/**
* Sets height.
*
* @param height Height.
*/
set height(height) {
this.setAttribute('height', String(height));
}
/**
* Returns capture stream.
*
* @param [frameRate] Frame rate.
* @returns Capture stream.
*/
captureStream(frameRate) {
const stream = new this[PropertySymbol.window].MediaStream();
const track = new this[PropertySymbol.window].CanvasCaptureMediaStreamTrack(PropertySymbol.illegalConstructor, this);
track[PropertySymbol.kind] = 'video';
track[PropertySymbol.capabilities].deviceId = DEVICE_ID;
track[PropertySymbol.capabilities].aspectRatio.max = this.width;
track[PropertySymbol.capabilities].height.max = this.height;
track[PropertySymbol.capabilities].width.max = this.width;
track[PropertySymbol.settings].deviceId = DEVICE_ID;
if (frameRate !== undefined) {
track[PropertySymbol.capabilities].frameRate.max = frameRate;
track[PropertySymbol.settings].frameRate = frameRate;
}
stream.addTrack(track);
return stream;
}
/**
* Returns context.
*
* @param _contextType Context type.
* @param [_contextAttributes] Context attributes.
* @returns Context.
*/
getContext(_contextType, _contextAttributes) {
return null;
}
/**
* Returns to data URL.
*
* @param [_type] Type.
* @param [_encoderOptions] Quality.
* @returns Data URL.
*/
toDataURL(_type, _encoderOptions) {
return '';
}
/**
* Returns to blob.
*
* @param callback Callback.
* @param [_type] Type.
* @param [_quality] Quality.
*/
toBlob(callback, _type, _quality) {
callback(new Blob_js_1.default([]));
}
/**
* Transfers control to offscreen.
*
* @returns Offscreen canvas.
*/
transferControlToOffscreen() {
return new OffscreenCanvas_js_1.default(this.width, this.height);
}
}
exports.default = HTMLCanvasElement;
//# sourceMappingURL=HTMLCanvasElement.cjs.map