@awayjs/scene/lib/utils/Cast.ts

AwayJS scene classes

import { ByteArray } from '@awayjs/core';

import { Image2D } from '@awayjs/stage';

import { ImageTexture2D } from '@awayjs/renderer';

import { CastError } from '../errors/CastError';

/**
 * Helper class for casting assets to usable objects
 */
export class Cast {
	private static _colorNames: Object;
	private static _hexChars: string = '0123456789abcdefABCDEF';

	private static _notClasses: Object = new Object();
	private static _classes: Object = new Object();

	public static string(data: any): string {
		if (typeof (data) == 'function')
			data = new data;

		if (typeof (data) == 'string')
			return data;

		return <string> data;
	}

	public static byteArray(data: any): ByteArray {
		if (typeof (data) == 'function')
			data = new data;

		if (data instanceof ByteArray)
			return data;

		return <ByteArray> data;
	}

	//        public static xml(data:any):XML
	//        {
	//            if (typeof(data) == 'function')
	//                data = new data;
	//
	//            if (data is XML)
	//                return data;
	//
	//            return XML(data);
	//        }

	private static isHex(str: string): boolean {
		const length: number /*int*/ = str.length;
		for (let i: number /*int*/ = 0; i < length; ++i) {
			if (this._hexChars.indexOf(str.charAt(i)) == -1)
				return false;
		}

		return true;
	}

	public static tryColor(data: any): number /*uint*/ {
		if (typeof (data) == 'number' /*uint*/)
			return Math.floor(<number> data);

		if (typeof (data) == 'string') {
			if (data == 'random')
				return Math.floor(Math.random() * 0x1000000);

			if (this._colorNames == null) {
				this._colorNames = new Object();
				this._colorNames['steelblue'] = 0x4682B4;
				this._colorNames['royalblue'] = 0x041690;
				this._colorNames['cornflowerblue'] = 0x6495ED;
				this._colorNames['lightsteelblue'] = 0xB0C4DE;
				this._colorNames['mediumslateblue'] = 0x7B68EE;
				this._colorNames['slateblue'] = 0x6A5ACD;
				this._colorNames['darkslateblue'] = 0x483D8B;
				this._colorNames['midnightblue'] = 0x191970;
				this._colorNames['navy'] = 0x000080;
				this._colorNames['darkblue'] = 0x00008B;
				this._colorNames['mediumblue'] = 0x0000CD;
				this._colorNames['blue'] = 0x0000FF;
				this._colorNames['dodgerblue'] = 0x1E90FF;
				this._colorNames['deepskyblue'] = 0x00BFFF;
				this._colorNames['lightskyblue'] = 0x87CEFA;
				this._colorNames['skyblue'] = 0x87CEEB;
				this._colorNames['lightblue'] = 0xADD8E6;
				this._colorNames['powderblue'] = 0xB0E0E6;
				this._colorNames['azure'] = 0xF0FFFF;
				this._colorNames['lightcyan'] = 0xE0FFFF;
				this._colorNames['paleturquoise'] = 0xAFEEEE;
				this._colorNames['mediumturquoise'] = 0x48D1CC;
				this._colorNames['lightseagreen'] = 0x20B2AA;
				this._colorNames['darkcyan'] = 0x008B8B;
				this._colorNames['teal'] = 0x008080;
				this._colorNames['cadetblue'] = 0x5F9EA0;
				this._colorNames['darkturquoise'] = 0x00CED1;
				this._colorNames['aqua'] = 0x00FFFF;
				this._colorNames['cyan'] = 0x00FFFF;
				this._colorNames['turquoise'] = 0x40E0D0;
				this._colorNames['aquamarine'] = 0x7FFFD4;
				this._colorNames['mediumaquamarine'] = 0x66CDAA;
				this._colorNames['darkseagreen'] = 0x8FBC8F;
				this._colorNames['mediumseagreen'] = 0x3CB371;
				this._colorNames['seagreen'] = 0x2E8B57;
				this._colorNames['darkgreen'] = 0x006400;
				this._colorNames['green'] = 0x008000;
				this._colorNames['forestgreen'] = 0x228B22;
				this._colorNames['limegreen'] = 0x32CD32;
				this._colorNames['lime'] = 0x00FF00;
				this._colorNames['chartreuse'] = 0x7FFF00;
				this._colorNames['lawngreen'] = 0x7CFC00;
				this._colorNames['greenyellow'] = 0xADFF2F;
				this._colorNames['yellowgreen'] = 0x9ACD32;
				this._colorNames['palegreen'] = 0x98FB98;
				this._colorNames['lightgreen'] = 0x90EE90;
				this._colorNames['springgreen'] = 0x00FF7F;
				this._colorNames['mediumspringgreen'] = 0x00FA9A;
				this._colorNames['darkolivegreen'] = 0x556B2F;
				this._colorNames['olivedrab'] = 0x6B8E23;
				this._colorNames['olive'] = 0x808000;
				this._colorNames['darkkhaki'] = 0xBDB76B;
				this._colorNames['darkgoldenrod'] = 0xB8860B;
				this._colorNames['goldenrod'] = 0xDAA520;
				this._colorNames['gold'] = 0xFFD700;
				this._colorNames['yellow'] = 0xFFFF00;
				this._colorNames['khaki'] = 0xF0E68C;
				this._colorNames['palegoldenrod'] = 0xEEE8AA;
				this._colorNames['blanchedalmond'] = 0xFFEBCD;
				this._colorNames['moccasin'] = 0xFFE4B5;
				this._colorNames['wheat'] = 0xF5DEB3;
				this._colorNames['navajowhite'] = 0xFFDEAD;
				this._colorNames['burlywood'] = 0xDEB887;
				this._colorNames['tan'] = 0xD2B48C;
				this._colorNames['rosybrown'] = 0xBC8F8F;
				this._colorNames['sienna'] = 0xA0522D;
				this._colorNames['saddlebrown'] = 0x8B4513;
				this._colorNames['chocolate'] = 0xD2691E;
				this._colorNames['peru'] = 0xCD853F;
				this._colorNames['sandybrown'] = 0xF4A460;
				this._colorNames['darkred'] = 0x8B0000;
				this._colorNames['maroon'] = 0x800000;
				this._colorNames['brown'] = 0xA52A2A;
				this._colorNames['firebrick'] = 0xB22222;
				this._colorNames['indianred'] = 0xCD5C5C;
				this._colorNames['lightcoral'] = 0xF08080;
				this._colorNames['salmon'] = 0xFA8072;
				this._colorNames['darksalmon'] = 0xE9967A;
				this._colorNames['lightsalmon'] = 0xFFA07A;
				this._colorNames['coral'] = 0xFF7F50;
				this._colorNames['tomato'] = 0xFF6347;
				this._colorNames['darkorange'] = 0xFF8C00;
				this._colorNames['orange'] = 0xFFA500;
				this._colorNames['orangered'] = 0xFF4500;
				this._colorNames['crimson'] = 0xDC143C;
				this._colorNames['red'] = 0xFF0000;
				this._colorNames['deeppink'] = 0xFF1493;
				this._colorNames['fuchsia'] = 0xFF00FF;
				this._colorNames['magenta'] = 0xFF00FF;
				this._colorNames['hotpink'] = 0xFF69B4;
				this._colorNames['lightpink'] = 0xFFB6C1;
				this._colorNames['pink'] = 0xFFC0CB;
				this._colorNames['palevioletred'] = 0xDB7093;
				this._colorNames['mediumvioletred'] = 0xC71585;
				this._colorNames['purple'] = 0x800080;
				this._colorNames['darkmagenta'] = 0x8B008B;
				this._colorNames['mediumpurple'] = 0x9370DB;
				this._colorNames['blueviolet'] = 0x8A2BE2;
				this._colorNames['indigo'] = 0x4B0082;
				this._colorNames['darkviolet'] = 0x9400D3;
				this._colorNames['darkorchid'] = 0x9932CC;
				this._colorNames['mediumorchid'] = 0xBA55D3;
				this._colorNames['orchid'] = 0xDA70D6;
				this._colorNames['violet'] = 0xEE82EE;
				this._colorNames['plum'] = 0xDDA0DD;
				this._colorNames['thistle'] = 0xD8BFD8;
				this._colorNames['lavender'] = 0xE6E6FA;
				this._colorNames['ghostwhite'] = 0xF8F8FF;
				this._colorNames['aliceblue'] = 0xF0F8FF;
				this._colorNames['mintcream'] = 0xF5FFFA;
				this._colorNames['honeydew'] = 0xF0FFF0;
				this._colorNames['lightgoldenrodyellow'] = 0xFAFAD2;
				this._colorNames['lemonchiffon'] = 0xFFFACD;
				this._colorNames['cornsilk'] = 0xFFF8DC;
				this._colorNames['lightyellow'] = 0xFFFFE0;
				this._colorNames['ivory'] = 0xFFFFF0;
				this._colorNames['floralwhite'] = 0xFFFAF0;
				this._colorNames['linen'] = 0xFAF0E6;
				this._colorNames['oldlace'] = 0xFDF5E6;
				this._colorNames['antiquewhite'] = 0xFAEBD7;
				this._colorNames['bisque'] = 0xFFE4C4;
				this._colorNames['peachpuff'] = 0xFFDAB9;
				this._colorNames['papayawhip'] = 0xFFEFD5;
				this._colorNames['beige'] = 0xF5F5DC;
				this._colorNames['seashell'] = 0xFFF5EE;
				this._colorNames['lavenderblush'] = 0xFFF0F5;
				this._colorNames['mistyrose'] = 0xFFE4E1;
				this._colorNames['snow'] = 0xFFFAFA;
				this._colorNames['white'] = 0xFFFFFF;
				this._colorNames['whitesmoke'] = 0xF5F5F5;
				this._colorNames['gainsboro'] = 0xDCDCDC;
				this._colorNames['lightgrey'] = 0xD3D3D3;
				this._colorNames['silver'] = 0xC0C0C0;
				this._colorNames['darkgrey'] = 0xA9A9A9;
				this._colorNames['grey'] = 0x808080;
				this._colorNames['lightslategrey'] = 0x778899;
				this._colorNames['slategrey'] = 0x708090;
				this._colorNames['dimgrey'] = 0x696969;
				this._colorNames['darkslategrey'] = 0x2F4F4F;
				this._colorNames['black'] = 0x000000;
				this._colorNames['transparent'] = 0xFF000000;
			}

			if (this._colorNames[data] != null)
				return this._colorNames[data];

			if (((<string> data).length == 6) && this.isHex(data))
				return parseInt('0x' + data);
		}

		return null;
	}

	public static color(data: any): number /*uint*/ {
		const result: number /*uint*/ = this.tryColor(data);

		if (result == null)
			throw new CastError('Can\'t cast to color: ' + data);

		return result;
	}

	public static tryClass(name: string): any {
		if (this._notClasses[name])
			return name;

		let result: any = this._classes[name];

		if (result != null)
			return result;

		try {
			result = window[name];
			this._classes[name] = result;
			return result;
		} catch (e /*ReferenceError*/) {
			// @todo
		}

		this._notClasses[name] = true;

		return name;
	}

	public static image2D(data: any): Image2D {
		if (data == null)
			return null;

		if (typeof (data) == 'string')
			data = this.tryClass(data);

		if (typeof (data) == 'function') {
			try {
				data = new data();
			} catch (e /*ArgumentError*/) {
				data = new data(0, 0);
			}
		}

		if (data instanceof Image2D)
			return data;

		if (data instanceof ImageTexture2D)
			data = (<ImageTexture2D> data).image;

		throw new CastError('Can\'t cast to BitmapImage2D: ' + data);
	}

	public static bitmapTexture(data: any): ImageTexture2D {
		if (data == null)
			return null;

		if (typeof (data) == 'string')
			data = this.tryClass(data);

		if (typeof (data) == 'function') {
			try {
				data = new data();
			} catch (e /*ArgumentError*/) {
				data = new data(0, 0);
			}
		}

		if (data instanceof ImageTexture2D)
			return data;

		try {
			const bmd: Image2D = Cast.image2D(data);
			return new ImageTexture2D(bmd);
		} catch (e /*CastError*/) {
			// @todo
		}

		throw new CastError('Can\'t cast to ImageTexture2D: ' + data);
	}
}