我的第二个Flash CS3组件—LRCParser组件

[来源：klstudio.com | 作者：klstudio | 时间：2008-03-29 | 点击： | 收藏本文【大中小】]

,0,0,1,0]));

bmp.bitmapData.applyFilter(bmp.bitmapData,new Rectangle(0,0,bmp.width,bmp.height),new Point(0,0),new BlurFilter(12,12));

var matrix:Matrix = new Matrix();

matrix.translate(10,13);

bmp.bitmapData.draw(txf,matrix,null,BlendMode.SCREEN);

}

//lrc文件加载失败事件;

private function errorHandler(event:ErrorEvent):void{

trace("errorHandler>>"+event);

}

//歌曲播放完成事件;

private function soundCompleteHandler(event:Event):void {

trace("soundCompleteHandler: " + event);

if(timer.running){

timer.stop();

}

bmp.bitmapData.fillRect(new Rectangle(0,0,bmp.width,bmp.height),0);

id = 0;

button.visible = true;

}

package project.test {
import flash.display.*;
import flash.events.*;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.text.*;
import flash.filters.*;
import flash.net.URLRequest;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.utils.Timer;
//导入系统组件;
import fl.controls.Button;
//导入LRCParser类;
import com.klstudio.media.LRCParser;
public class Test4 extends Sprite{
//定义解析器;
private var parser:LRCParser;
//定义声音对象;
private var snd:Sound;
//定义声音播放频道;
private var channel:SoundChannel;
//歌词序号;
private var id:uint = 0;
//定时器;
private var timer:Timer;
//显示平台;
private var base:Sprite;
//歌词显示;
private var bmp:Bitmap;
//播放按钮;
private var button:Button;
private var preWidth:uint;
private var preHeight:uint;
private var copyright:TextField;
public function Test4(){
preWidth = 400;
preHeight = 100;
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.showDefaultContextMenu = false;
//显示平台;
base = new Sprite();
addChild(base);
//初始化解析器;
parser = new LRCParser();
parser.addEventListener(Event.COMPLETE,completeHandler);
parser.addEventListener(ErrorEvent.ERROR,errorHandler);
parser.load("/demo/test/爱情转移.lrc");
//初始化定时器;
timer = new Timer(50);
timer.addEventListener(TimerEvent.TIMER,timerHandler);
//初始化声音对象;
snd = new Sound();
snd.load(new URLRequest("/demo/test/爱情转移.mp3"));
//copyright;
copyright = new TextField();
copyright.autoSize = TextFieldAutoSize.LEFT;
copyright.selectable = false;
copyright.defaultTextFormat = new TextFormat("Verdana",9,0xFFFFFF,true,null,null,"http://www.klstudio.com","_blank");
copyright.text = "POWERED BY KINGLONG";
copyright.x = preWidth - copyright.width - 5;
copyright.y = preHeight - copyright.height - 5;
var filter:BitmapFilter = getBitmapFilter();
copyright.filters = [filter];
copyright.alpha = 0.8;
addChild(copyright);
//显示平台;
base.graphics.lineStyle(1,0x666666);
base.graphics.beginFill(0xF4F4F4);
base.graphics.drawRect(0,0,preWidth,preHeight - copyright.height - 10);
base.graphics.lineStyle(1,0x999999);
base.graphics.moveTo(0,25);
base.graphics.lineTo(preWidth,25);
base.graphics.moveTo(150,1);
base.graphics.lineTo(150,25);
base.graphics.moveTo(250,1);
base.graphics.lineTo(250,25);
base.addChild(getTextField("title","歌名:",new Rectangle(3,3,147)));
base.addChild(getTextField("artist","歌手:",new Rectangle(153,3,97)));
base.addChild(getTextField("special","专辑:",new Rectangle(253,3,147)));
bmp = new Bitmap(new BitmapData(preWidth-4,preHeight-54,false,0));
bmp.x = 2;
bmp.y = 27;
addChild(bmp);
button = new Button();
button.x = (preWidth - button.width)/2;
button.y = 40;
button.label = "PLAY MUSIC";
button.enabled = false;
button.addEventListener(MouseEvent.CLICK, clickHandler);
addChild(button);
}
//按钮点击事件;
private function clickHandler(event:MouseEvent):void{
//声音播放频道
if(channel != null){
channel.removeEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
channel = null;
}
channel = snd.play();
channel.addEventListener(Event.SOUND_COMPLETE, soundCompleteHandler);
timer.start();
button.visible = false;
}
//获得文本框;
private function getTextField(name:String,lbl:String,rect:Rectangle,clr:uint=0x666666):TextField{
var txf:TextField = new TextField();
txf.width = rect.width;
txf.selectable = false;
txf.defaultTextFormat = new TextFormat("Courier New",12,clr);
txf.name = name;
txf.text = lbl;
txf.x = rect.x;
txf.y = rect.y;
return txf;
}
//定时器间隔事件;
private function timerHandler(event:TimerEvent):void{
//获取歌词列表;
var arr:Array = parser.getList();
if(id<arr.length){
//时间数;
//要显示的歌词时间数是播放器时间数+歌词偏移量;
var point:int = int(channel.position + parser.getOffset());
if(point <= arr[id+1].time){
drawLyric(arr[id].lyric);
}else{
id ++;
}
}
}
//光晕滤镜;
private function getBitmapFilter():BitmapFilter {
var color:Number = 0x000000;
var alpha:Number = 0.8;
var blurX:Number = 2;
var blurY:Number = 2;
var strength:Number = 6;
var inner:Boolean = false;
var knockout:Boolean = false;
var quality:Number = BitmapFilterQuality.HIGH;
return new GlowFilter(color,
alpha,
blurX,
blurY,
strength,
quality,
inner,
knockout);
}
//lrc文件加载完成事件;
private function completeHandler(event:Event):void{
trace("completeHandler>>"+event);
var title:TextField = base.getChildByName("title") as TextField;
var artist:TextField = base.getChildByName("artist") as TextField;
var special:TextField = base.getChildByName("special") as TextField;
title.text = "歌名:" + parser.getTitle();
artist.text = "歌手:" + parser.getArtist();
special.text = "专辑:" + parser.getSpecial();
button.enabled = true;
}
//显示歌词;
private function drawLyric(lyric:String):void{
var txf:TextField = getTextField("lyric",lyric,new Rectangle(0,0,380),0xFFCC00);
bmp.bitmapData.applyFilter(bmp.bitmapData,new Rectangle(0,0,bmp.width,bmp.height),new Point(0,0),new ColorMatrixFilter([1,0,0,0,-5,0,1,0,0,-5,0,0,1,0,-5,0,0,0,1,0]));
bmp.bitmapData.applyFilter(bmp.bitmapData,new Rectangle(0,0,bmp.width,bmp.height),new Point(0,0),new BlurFilter(12,12));
var matrix:Matrix = new Matrix();
matrix.translate(10,13);
bmp.bitmapData.draw(txf,matrix,null,BlendMode.SCREEN);
}
//lrc文件加载失败事件;
private function errorHandler(event:ErrorEvent):void{
trace("errorHandler>>"+event);
}
//歌曲播放完成事件;
private function soundCompleteHandler(event:Event):void {
trace("soundCompleteHandler: " + event);
if(timer.running){
timer.stop();
}
bmp.bitmapData.fillRect(new Rectangle(0,0,bmp.width,bmp.height),0);
id = 0;
button.visible = true;
}
}
}
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