"use strict"; 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