¿alguien puede decirme cómo hacerlo?
Gracias!
Este es el código:
package
{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.GradientType;
import flash.display.SimpleButton;
import flash.display.SpreadMethod;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.events.TimerEvent;
import flash.filters.BlurFilter;
import flash.filters.DropShadowFilter;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.media.Camera;
import flash.media.Video;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.utils.Timer;
import com.logosware.event.QRdecoderEvent;
import com.logosware.event.QRreaderEvent;
import com.logosware.utils.QRcode.QRdecode;
import com.logosware.utils.QRcode.GetQRimage;
/**
* QRコード解析クラスの使用例です
* @author Kenichi UENO
*/
public class ReadQrCodeSample extends Sprite
{
private const SRC_SIZE:int = 320;
private const STAGE_SIZE:int = 350;
private var getQRimage:GetQRimage;
private var qrDecode:QRdecode = new QRdecode();
private var errorView:Sprite;
private var errorText:TextField = new TextField();
private var startView:Sprite;
private var cameraView:Sprite;
private var camera:Camera;
private var video:Video = new Video(SRC_SIZE, SRC_SIZE);
private var freezeImage:Bitmap;
private var blue:Sprite = new Sprite();
private var red:Sprite = new Sprite();
private var blurFilter:BlurFilter = new BlurFilter();
private var resultView:Sprite;
private var textArea:TextField = new TextField();
private var cameraTimer:Timer = new Timer(2000);
private var textArray:Array = ["", "", ""];
/**
* コンストラクタ
*/
public function ReadQrCodeSample():void {
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.align = StageAlign.TOP_LEFT;
errorView = buildErrorView();
cameraTimer.addEventListener(TimerEvent.TIMER, getCamera);
cameraTimer.start();
getCamera();
}
/**
* カメラの接続をチェックします
*/
private function getCamera(e:TimerEvent = null):void{
camera = Camera.getCamera();
this.graphics.clear();
if ( camera == null ) {
this.addChild( errorView );
} else {
cameraTimer.stop();
if ( errorView.parent == this ) {
this.removeChild(errorView);
}
start();
}
}
/**
* スタートボタンを表示
*/
private function start():void {
startView = buildStartView();
this.addChild( startView );
startView.addEventListener(MouseEvent.CLICK, onStart);
}
/**
* 画像解析クラスにカメラ画像を渡し、解析完了イベントを監視します
*/
private function onStart(e:MouseEvent):void {
cameraView = buildCameraView();
resultView = buildResultView();
this.addChild( cameraView );
this.addChild( resultView );
this.removeChild( startView );
resultView.visible = false;
getQRimage = new GetQRimage(video);
getQRimage.addEventListener(QRreaderEvent.QR_IMAGE_READ_COMPLETE, onQrImageReadComplete);
qrDecode.addEventListener(QRdecoderEvent.QR_DECODE_COMPLETE, onQrDecodeComplete);
redTimer.addEventListener(TimerEvent.TIMER_COMPLETE, onRedTimer );
this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
/**
* エラー画面を作成
*/
private function buildErrorView():Sprite {
var sprite:Sprite = new Sprite();
errorText.autoSize = TextFieldAutoSize.LEFT;
errorText.text = "no camera detected.";
errorText.x = 0.5 * (STAGE_SIZE - errorText.width);
errorText.y = 0.5 * (STAGE_SIZE - errorText.height);
errorText.border = true;
errorText.background = true;
sprite.graphics.lineStyle(0);
sprite.graphics.drawPath(Vector.<int>([1, 2, 2, 2, 2, 2, 1, 2]), Vector.<Number>([5, 5, STAGE_SIZE-5, 5, STAGE_SIZE-5, STAGE_SIZE-5, 5, STAGE_SIZE-5, 5, 5, STAGE_SIZE-5, STAGE_SIZE-5, 5, STAGE_SIZE-5, STAGE_SIZE-5, 5]));
sprite.addChild(errorText);
return sprite;
}
/**
* 開始ボタンを作成
*/
private function buildStartView():Sprite {
var sprite:Sprite = new Sprite();
sprite.graphics.beginGradientFill(GradientType.LINEAR, [0xCCCCCC, 0xAAAAAA], [1.0, 1.0], [0, 255], new Matrix(0, 0.03, -0.03, 0, 0, 15));
sprite.graphics.lineStyle(2);
sprite.graphics.drawRoundRect(0, 0, 200, 30, 5);
var btnText:TextField = new TextField();
btnText.autoSize = TextFieldAutoSize.LEFT;
btnText.text = "Click here to start!";
btnText.setTextFormat(new TextFormat(null, 16, null, true));
btnText.selectable = false;
btnText.x = 0.5 * (sprite.width - btnText.width);
btnText.y = 0.5 * (sprite.height - btnText.height);
sprite.addChild(btnText);
sprite.mouseChildren = false;
sprite.buttonMode = true;
sprite.x = 0.5 * (STAGE_SIZE - sprite.width);
sprite.y = 0.5 * (STAGE_SIZE - sprite.height);
return sprite;
}
/**
* カメラの表示部分を作成
*/
private function buildCameraView():Sprite {
camera.setQuality(0, 100);
camera.setMode(SRC_SIZE, SRC_SIZE, 24, true );
video.attachCamera( camera );
var sprite:Sprite = new Sprite();
sprite.graphics.beginGradientFill(GradientType.LINEAR, [0xCCCCCC, 0x999999], [1.0, 1.0], [0, 255], new Matrix(0, 0.1, -0.1, 0, 0, 150));
sprite.graphics.drawRoundRect(0, 0, SRC_SIZE+30, SRC_SIZE+30, 20);
var videoHolder:Sprite = new Sprite();
videoHolder.addChild( video );
videoHolder.x = videoHolder.y = 15;
freezeImage = new Bitmap(new BitmapData(SRC_SIZE, SRC_SIZE));
videoHolder.addChild( freezeImage );
freezeImage.visible = false;
red.graphics.lineStyle(2, 0xFF0000);
red.graphics.drawPath(Vector.<int>([1,2,2,1,2,2,1,2,2,1,2,2]), Vector.<Number>([30,60,30,30,60,30,290,60,290,30,260,30,30,260,30,290,60,290,290,260,290,290,260,290]));
blue.graphics.lineStyle(2, 0x0000FF);
blue.graphics.drawPath(Vector.<int>([1,2,2,1,2,2,1,2,2,1,2,2]), Vector.<Number>([30,60,30,30,60,30,290,60,290,30,260,30,30,260,30,290,60,290,290,260,290,290,260,290]));
sprite.addChild( videoHolder );
sprite.addChild( red );
sprite.addChild( blue );
blue.alpha = 0;
red.x = red.y = 15;
blue.x = blue.y = 15;
return sprite;
}
/**
* 結果表示用Sprite作成
*/
private function buildResultView():Sprite {
var sprite:Sprite = new Sprite();
sprite.graphics.beginGradientFill(GradientType.LINEAR, [0xDDDDEE, 0xBBBBCC], [0.9, 0.9], [0, 255], new Matrix(0, 0.1, -0.1, 0, 0, 150));
sprite.graphics.drawRoundRect(0, 0, 280, 280, 20);
sprite.addChild( textArea );
textArea.width = 250;
textArea.height = 200;
textArea.wordWrap = true;
textArea.multiline = true;
textArea.border = true;
textArea.background = true;
textArea.backgroundColor = 0xFFFFFF;
textArea.x = textArea.y = 15;
var btnText:TextField = new TextField();
btnText.autoSize = TextFieldAutoSize.LEFT;
btnText.text = "CLOSE";
btnText.selectable = false;
var btnSprite:Sprite = new Sprite();
btnSprite.addChild(btnText);
btnSprite.graphics.lineStyle(1);
btnSprite.graphics.beginGradientFill(GradientType.LINEAR, [0xEEEEEE, 0xCCCCCC], [0.9, 0.9], [0, 255], new Matrix(0, 0.01, -0.01, 0, 0, 10));
btnSprite.graphics.drawRoundRect(0, 0, 80, 20,
;btnText.x = 0.5 * (btnSprite.width - btnText.width);
btnText.y = 0.5 * (btnSprite.height - btnText.height);
btnSprite.x = 0.5 * ( 280 - 80 );
btnSprite.y = 240;
btnSprite.buttonMode = true;
btnSprite.mouseChildren = false;
btnSprite.addEventListener(MouseEvent.CLICK, onClose);
sprite.addChild( btnSprite );
sprite.addChild( textArea );
sprite.x = sprite.y = 35;
sprite.filters = [new DropShadowFilter(4.0,45,0,0.875)];
return sprite;
}
/**
* 解析を毎フレーム行う
*/
private function onEnterFrame(e: Event):void{
if( camera.currentFPS > 0 ){
getQRimage.process();
}
}
/**
* QRコードを発見したらデコーダーに渡す
*/
private function onQrImageReadComplete(e: QRreaderEvent):void{
qrDecode.setQR(e.data); // QRreaderEvent.data: QRコード配列
qrDecode.startDecode(); // デコード開始
}
/**
* デコードが完了したら結果テキストを表示する
*/
private function onQrDecodeComplete(e: QRdecoderEvent):void {
blue.alpha = 1.0;
redTimer.reset();
redTimer.start();
textArray.shift();
textArray.push( e.data ); // QRdecoderEvent.data: 解析文字列
if ( textArray[0] == textArray[1] && textArray[1] == textArray[2] ) {
textArea.htmlText = e.data;
cameraView.filters = [blurFilter];
redTimer.stop();
freezeImage.bitmapData.draw(video);
freezeImage.visible = true;
this.removeEventListener(Event.ENTER_FRAME, onEnterFrame);
resultView.visible = true;
}
}
/**
* 結果を削除
*/
private function onClose(e: MouseEvent):void {
textArray = ["", "", ""];
freezeImage.visible = false;
redTimer.start();
this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
cameraView.filters = [];
resultView.visible = false;
}
private var redTimer:Timer = new Timer(400, 1);
/**
* ガイドの色を戻す
*/
private function onRedTimer(e:TimerEvent):void {
blue.alpha = 0;
}
}
}
