starling-framework/lib/_gen/starling/textures/AtfData.js

A fast, productive library for 2D cross-platform development.

// Class: starling.textures.AtfData

var $global = typeof window != "undefined" ? window : typeof global != "undefined" ? global : typeof self != "undefined" ? self : this

$global.Object.defineProperty(exports, "__esModule", {value: true});

var __map_reserved = {};

// Imports

var $hxClasses = require("./../../hxClasses_stub").default;
var $import = require("./../../import_stub").default;
function _$UInt_UInt_$Impl_$() {return require("./../../_UInt/UInt_Impl_");}
function js__$Boot_HaxeError() {return require("./../../js/_Boot/HaxeError");}
function openfl_errors_ArgumentError() {return $import(require("openfl/errors/ArgumentError"));}
function openfl_errors_Error() {return $import(require("openfl/errors/Error"));}
function Std() {return require("./../../Std");}

// Constructor

var AtfData = function(data) {
	if(!AtfData.isAtfData(data)) {
		throw new (js__$Boot_HaxeError().default)(new (openfl_errors_ArgumentError().default)("Invalid ATF data"));
	}
	if(data.get(6) == 255) {
		data.position = 12;
	} else {
		data.position = 6;
	}
	var format = data.readUnsignedByte();
	var _g = format & 127;
	switch(_g) {
	case 0:case 1:
		this._format = "bgra";
		break;
	case 2:case 3:case 12:
		this._format = "compressed";
		break;
	case 4:case 5:case 13:
		this._format = "compressedAlpha";
		break;
	default:
		throw new (js__$Boot_HaxeError().default)(new (openfl_errors_Error().default)("Invalid ATF format"));
	}
	this._width = (Std().default)["int"](Math.pow(2,(_$UInt_UInt_$Impl_$().default).toFloat(data.readUnsignedByte())));
	this._height = (Std().default)["int"](Math.pow(2,(_$UInt_UInt_$Impl_$().default).toFloat(data.readUnsignedByte())));
	this._numTextures = data.readUnsignedByte();
	this._isCubeMap = (format & 128) != 0;
	this._data = data;
	if(data.get(5) != 0 && data.get(6) == 255) {
		var emptyMipmaps = (data.get(5) & 1) == 1;
		var numTextures = data.get(5) >> 1 & 127;
		this._numTextures = emptyMipmaps ? 1 : numTextures;
	}
}

// Meta

AtfData.__name__ = ["starling","textures","AtfData"];
AtfData.prototype = {
	get_format: function() {
		return this._format;
	},
	get_width: function() {
		return this._width;
	},
	get_height: function() {
		return this._height;
	},
	get_numTextures: function() {
		return this._numTextures;
	},
	get_isCubeMap: function() {
		return this._isCubeMap;
	},
	get_data: function() {
		return this._data;
	}
};
AtfData.prototype.__class__ = AtfData.prototype.constructor = $hxClasses["starling.textures.AtfData"] = AtfData;

// Init

Object.defineProperties(AtfData.prototype,{ "format" : { get : function () { return this.get_format (); }}, "width" : { get : function () { return this.get_width (); }}, "height" : { get : function () { return this.get_height (); }}, "numTextures" : { get : function () { return this.get_numTextures (); }}, "isCubeMap" : { get : function () { return this.get_isCubeMap (); }}, "data" : { get : function () { return this.get_data (); }}});

// Statics

AtfData.isAtfData = function(data) {
	if((_$UInt_UInt_$Impl_$().default).gt(3,data.length)) {
		return false;
	} else {
		var signature = String.fromCharCode(data.get(0)) + String.fromCharCode(data.get(1)) + String.fromCharCode(data.get(2));
		return signature == "ATF";
	}
}


// Export

exports.default = AtfData;