テキストフォーマットの適用

/**
 * Copyright tepe ( http://wonderfl.net/user/tepe )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/7GQu
 */

package {
    import flash.display.Sprite;
    import flash.text.TextField;
    import flash.text.TextLineMetrics;
    import flash.text.TextFieldAutoSize;
    import flash.text.AntiAliasType;
    import flash.text.TextFormat;
 
    public class TextField_getLineMetricsExample extends Sprite {

        public function TextField_getLineMetricsExample() {
            var myTextField:TextField = new TextField();
            
            
            myTextField.type = "input";

            myTextField.x = 10;
            myTextField.y = 10;
            myTextField.background = true;
            myTextField.wordWrap = false;
            myTextField.autoSize = TextFieldAutoSize.LEFT;
            
            myTextField.appendText("A child said What is the grass? fetching it to me with full hands;\n");
            myTextField.appendText("テスト　test 1234567890 \n\n");

            //適用するフォーマットの設定
            var newFormat:TextFormat = new TextFormat(); 
            newFormat.size = 20;
            newFormat.font = "Arial";
            newFormat.color = 0xff0000;
            newFormat.italic = true;
            //フォーマット適用範囲を指定
            myTextField.setTextFormat(newFormat, 67, 70);//テキストフォーマットの設定(フォント設定, 適用開始位置, 適用終了位置)
               
            var metrics1:TextLineMetrics = myTextField.getLineMetrics(0);
             
            myTextField.appendText("Metrics ascent for the line 1 is: " + metrics1.ascent.toString() + "\n");
            myTextField.appendText("Metrics descent is: " + metrics1.descent.toString() + "\n");
            myTextField.appendText("Metrics height is: " + metrics1.height.toString() + "\n"); 
            myTextField.appendText("Metrics width is: " + metrics1.width.toString() + "\n\n");

            var metrics2:TextLineMetrics = myTextField.getLineMetrics(1);
             
            myTextField.appendText("Metrics ascent for the line 2 is: " + metrics2.ascent.toString() + "\n");
            myTextField.appendText("Metrics descent is: " + metrics2.descent.toString() + "\n");
            myTextField.appendText("Metrics height is: " + metrics2.height.toString() + "\n"); 
            myTextField.appendText("Metrics width is: " + metrics2.width.toString() + "\n");

            addChild(myTextField);
        }
    }
}