flash on 2014-11-17

/**
 * Copyright tepe ( http://wonderfl.net/user/tepe )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/nUTp
 */

package {
    import flash.display.Sprite;
    import flash.text.*;
    import flash.events.*;
    public class FlashTest extends Sprite {
        private var tf:TextField;
        private var tf2:TextField;
        public function FlashTest() {
            // write as3 code here..
            tf = new TextField();
            addChild(tf);
            tf.border = true;
            tf.type="input";
            tf.multiline=true;
            tf.text = "test";
            tf.y = 200;
            
            tf.addEventListener(MouseEvent.MOUSE_MOVE,onMove);
            tf2 = new TextField();
            addChild(tf2);
            tf2.x = 200;
            tf2.text="test";
        }
        private function onMove(e:MouseEvent):void{
            var mx:Number=e.target.mouseX;
            var my:Number=e.target.mouseY;
            tf2.text = "x: "+mx.toString()+"\ny: "+my.toString();
            
            var n:int = tf.getLineIndexAtPoint(mx,my);//指定ポイントの行
            tf2.appendText("\n"+n.toString());
            tf2.appendText("\n"+tf.getLineText(n));
            var st:int = tf.getLineOffset(n);
            var end:int = tf.getLineLength(n);
            tf2.appendText("\n"+st+" "+end);
            font(tf,n);
            
        }
        
        private function font(t1:TextField,n:int):void{
            //検索ヒット
            var newFormat2:TextFormat = new TextFormat(); 
            newFormat2.size = 15;
            newFormat2.font = "Arial";
            newFormat2.color = 0xcc0000;
            newFormat2.italic = true;
            
            
            //通常フォーマット
            var Format2:TextFormat = new TextFormat(); 
            Format2.size = 12;
            Format2.font = "Arial";
            Format2.color = 0x000000; 
            Format2.italic = false;
            t1.setTextFormat(Format2,0,t1.length);//デフォルトフォーマット
            
            var st:int = t1.getLineOffset(n);
            var end:int = st+t1.getLineLength(n);
            
            
            t1.setTextFormat(newFormat2,st,end);//デフォルトフォーマット
            
        }

        

    }
}