/*==================================================================================

scr 字幕的实现，基于lrc的数据

===================================================================================*/


var scr = new Object();
scr.curStr;
scr.curFPS = 30;		//实际帧率记录
scr.kalaok = true;
scr.txtForeClr = 0xFFFFFF;		//字幕扫描前的颜色
scr.txtBackClr = 0xFF00FF;		//字幕扫描后的颜色
scr.txtForeBgClr = 0x000000;	//字幕扫描前的背景颜色
scr.txtBackBgClr = 0xFFFFFF;	//字幕扫描后的背景颜色

scr.depthManager = {fps_mc:1, sound_mc:2, bg_mc:4, con_mc:5, conMask_mc:6, textBg_mc:7, text_mc:8, title_mc:9,imgtip_mc:10,logo_mc:11,begin_mc:12};
scr.status = "PLAY"		//PLAY, PAUSE
scr.init = function() {
	
	sys.reSize()
	scr.height = sys.stageHeight-44
	scr.width = Math.ceil(scr.height/3*4)
	scr.fontSize = Math.ceil(scr.width/25);
	if(scr.fontSize<12) scr.fontSize=12;	//  保证 minfont >=12
	
	var self = this;
	
	this.soundMc = sys.screenMc.createEmptyMovieClip("sound_mc", this.depthManager.sound_mc);
	this.bgMc = sys.screenMc.createEmptyMovieClip("bg_mc", this.depthManager.bg_mc);
	this.conMc = sys.screenMc.createEmptyMovieClip("con_mc", this.depthManager.con_mc);
	this.conMaskMc = sys.screenMc.createEmptyMovieClip("conMask_mc", this.depthManager.conMask_mc);
	this.textBgMc = sys.screenMc.createEmptyMovieClip("textBg_mc", this.depthManager.textBg_mc);
	this.textMc = sys.screenMc.createEmptyMovieClip("text_mc", this.depthManager.text_mc);
	this.titleMc = sys.screenMc.createEmptyMovieClip("title_mc", this.depthManager.title_mc);
	
	//sys.setMatrixFilter(this.conMc,"sepia")
	
	//sys.drawRectangle(this.conMaskMc, this.width, this.height, 0xFFFFFF, 100);
	//this.conMc.setMask(this.conMaskMc);
	//sys.drawRectangle(this.bgMc, this.width, this.height, 0x808080, 100);
	
	var th = Math.ceil(scr.height/7.6);
	if(th<40) th = 40	//minHeight
	this.textBgMc._y = scr.height - th;
	this.textBgMc._x = -scr.width
	sys.drawRectangle(this.textBgMc, 3*scr.width, th, 0, 40);

	this.logoMc = sys.screenMc.attachMovie("logo_mc","logo_mc", this.depthManager.logo_mc);
	//this.logoMc.logo_btn._width=scr.width
	//this.logoMc.logo_btn._height=scr.height-th
	this.logoMc.logo_btn.onRelease=function(){
		getURL("http://www.qingcai.net","_blank");
	}
	

	this.conMc.createEmptyMovieClip("con", 0);
	//this.conMc.con.loadMovie("testdata/p.jpg");
	
	this.fpsMc = sys.screenMc.createEmptyMovieClip("fps_mc", this.depthManager.fps_mc);
	this.fpsMc.fc = 0;
	this.fpsMc.onEnterFrame = function() {
		this.fc++;
	};
	setInterval(function () {
		self.curFPS = self.fpsMc.fc;
		self.fpsMc.fc = 0;
	}, 1000);
};

/*
scr.createSoundLoad=function(){
	this.soundLoadMc = sys.screenMc.attachMovie("soundLoad_mc","soundLoad_mc", this.depthManager.soundLoad_mc);
}

scr.removeSoundLoad=function(){
	this.soundLoadMc.removeMovieClip()
}
*/

scr.createBegin=function(){
	this.beginMc = sys.screenMc.attachMovie("begin_mc","begin_mc", this.depthManager.begin_mc);
	this.beginMc._y = Math.floor(scr.height/2)
	this.beginMc._x = Math.floor(scr.width/2)
	this.beginMc.play_btn.onRelease = sys.ctrlMc.play_btn.onRelease
}

scr.removeBegin=function(){
	this.beginMc.removeMovieClip()
}

scr.createImgtip=function(sArr){
	var s=sArr[0].toLowerCase()
	var t=s.substr(s.length-4,4)
	var r=".jpg|.png|.gif"
	if(s!=""&&r.indexOf(t)==-1){
		this.imgtipMc=sys.screenMc.attachMovie("imgtip_mc","imgtip_mc", this.depthManager.imgtip_mc);
		typewriter.main(this.imgtipMc,sArr,1)
	}
}
scr.removeImgtip=function(){
	this.imgtipMc.removeMovieClip()
}


scr.play = function(){
	scr.status = "PLAY"
	scr.removeBegin();
	scr.conMc.pluginMc.play();
	run.resume()
}
scr.pause = function(){
	scr.status = "PAUSE"
	scr.conMc.pluginMc.pause();
	run.pause()
}
scr.stop = function(){
	scr.status = "STOP"
	this.removeTit()
	this.removeTxt()
	scr.conMc.pluginMc.pause();
	run.pause()
}

scr.createTit = function(obj, dur) {
	if(!this.titleMc._name){
		this.titleMc = sys.screenMc.createEmptyMovieClip("title_mc", this.depthManager.title_mc);	
	}
	if (this.titleMc.ti_txt) {
		return (undefined);
	}
	var tu = this.fontSize/3;
	if(tu<6)tu=6;	//保证 minfont >=12
	var ta = Math.ceil(tu*4);
	var tb = Math.ceil(tu*2);
	var bx = Math.ceil(scr.width/10);	//45
	var by = Math.ceil(scr.width/5);	//90
	var tiTxt = this.titleMc.createTextField("ti_txt", 0, bx, by, 1, ta);
	var arTxt = this.titleMc.createTextField("ar_txt", 1, bx+Math.ceil(tu/4), by+Math.ceil(tu*6), 1, Math.ceil((tu/3)*4));
	var alTxt = this.titleMc.createTextField("al_txt", 2, bx+Math.ceil(tu/4), by+Math.ceil(tu*9), 1, Math.ceil((tu/3)*4));
	var setFmt = function (target, dat, fi) {
		target.selectable = false;
		//target.textColor = 0xFFFFFF;
		target.autoSize = "left";
		target.text = dat;
		target.setTextFormat(new TextFormat(null, tb, 0x0000FF, true));
		target.filters = [fi];
	};
	var fi;
	fi = new flash.filters.GlowFilter(16777215, 1, 2, 2, 32, 1);
	setFmt(tiTxt, obj.ti.split("歌曲：").join(""), fi);
	tiTxt.setTextFormat(new TextFormat(null, ta, 0xFF00FF, true));
	setFmt(arTxt, obj.ar+" ", fi);
	setFmt(alTxt, obj.al+" ", fi);
};

scr.removeTit = function() {
	if (this.titleMc) {
		this.titleMc.removeMovieClip();
	}
};

scr.removeTxt = function() {
	if (this.textMc) {
		this.textMc.removeMovieClip();
	}
};

scr.createTxt = function(str, dur, per) {
	if(!this.textMc._name){
		this.textMc = sys.screenMc.createEmptyMovieClip("text_mc", this.depthManager.text_mc);	
	}
	if (str == this.curStr) {
		return (undefined);
	}
	this.curStr = str;
	var bw = Math.ceil(scr.width*0.022);
	var twMax = scr.width-(bw*2);
	var tw = this.getTxtWidth(str);
	var th = Math.ceil((this.fontSize/3)*5);	//
	var tx = bw;
	var ty = Math.floor(this.textBgMc._y+((this.textBgMc._height-th)/2));
	if (tw>twMax) {
		tw = twMax;
	}
	tx = tx+Math.floor((twMax-tw)/2);
	
	this.textMc.back_mc.removeMovieClip()
	this.textMc.fore_mc.removeMovieClip()
	this.textMc.mask_mc.removeMovieClip()
	
	var backMc = this.textMc.createEmptyMovieClip("back_mc", 0);
	if (per) {
		var foreMc = this.textMc.createEmptyMovieClip("fore_mc", 1);
		var maskMc = this.textMc.createEmptyMovieClip("mask_mc", 2);
		maskMc._x = tx;
		maskMc._y = ty;
		sys.drawRectangle(maskMc, tw, th, 0, 100);
		maskMc.i = (this.curFPS*dur)/1000;
		maskMc.w = (tw/maskMc.i)*1.15;
		//maskMc.flag = this.status=="PLAY" ? true:false
		maskMc.onEnterFrame = function() {
			if (this.i>0 && scr.status == "PLAY" ) {
				this._x = this._x+this.w;
				this.i--;
			}
		};
		foreMc.setMask(maskMc);
		var foreTxt = foreMc.createTextField("fore_txt", 0, tx, ty, tw, th);
		foreTxt.textColor = scr.txtForeClr;
	}
	var backTxt = backMc.createTextField("back_txt", 0, tx, ty, tw, th);
	backTxt.textColor = scr.txtBackClr;
	var fmt = new TextFormat();
	fmt.size = this.fontSize;
	fmt.bold = true;
	fmt.align = "center";
	var setFmt = function (target, fmt, fi) {
		target.text = str;
		target.selectable = false;
		target.wordWrap = true;
		target.setTextFormat(fmt);
		target.setNewTextFormat(fmt);
		target.filters = [fi];
	};
	setFmt(backTxt, fmt, new flash.filters.GlowFilter(scr.txtBackBgClr, 1, 2, 2, 32, 1));
	setFmt(foreTxt, fmt, new flash.filters.GlowFilter(scr.txtForeBgClr, 1, 2, 2, 32, 1));
};

scr.getTxtWidth = function(str:String):Number {
	var txt_fmt:TextFormat = new TextFormat()
	txt_fmt.font = "_sans";
	txt_fmt.bold = true;
	txt_fmt.size = this.fontSize;
	var metrics:Object = txt_fmt.getTextExtent(str);
	return metrics.textFieldWidth;
}