縦書きを試してみる(TextBlock)


umhr_textblock縦書きを試してみる(TextBlock)

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▼Wonderfl
http://wonderfl.net/code/de095084b673f54b438de869eb7bfd41b530a645

▼ActionScript AS3(FP10)
[sourcecode language=”as3″]
/*

参考
http://help.adobe.com/ja_JP/AS3LCR/Flash_10.0/flash/text/engine/TextBlock.html
http://help.adobe.com/ja_JP/AS3LCR/Flash_10.0/flash/text/engine/EastAsianJustifier.html
http://level0.kayac.com/2008/12/textbox.php
*/

package {
import flash.display.Sprite;
import flash.text.engine.FontDescription;
import flash.text.engine.TextBlock;
import flash.text.engine.TextElement;
import flash.text.engine.TextLine;
import flash.text.engine.TextRotation;
import flash.text.engine.ElementFormat;
import flash.text.engine.EastAsianJustifier;
import flash.text.TextField;
import flash.events.MouseEvent;

[SWF(width = "465", height = "465", backgroundColor = 0xEEEEEE, frameRate = "30")]
public class Main extends Sprite {

private var inputTF:TextField = new TextField();
private var commentBase:Sprite = new Sprite();
public function Main():void {
addChild(commentBase);
inputTF.x = 12;
inputTF.y = this.stage.stageHeight-24-110;
inputTF.width = this.stage.stageWidth – 24;
inputTF.height = 108;
inputTF.text = "方丈記  鴨長明\n行く川のながれは絶えずして、しかも本の水にあらず。よどみに浮ぶうたかたは、かつ消えかつ結びて久しくとゞまることなし。\n*****\nFlashPlayer10から追加されたTextBlockクラスでは縦書きの日本語表示がより奇麗になりました。このデモはリファレンス(http://help.adobe.com/ja_JP/AS3LCR/Flash_10.0/flash/text/engine/TextBlock.html)のコード例を改変したものです。\n以前からあるTextFieldクラスと違って、段落毎に分けて指定すると良いみたいだけど、イマイチ納得できない。\nまだよく理解できていません(笑)。";
inputTF.border = true;
inputTF.type = "input";
inputTF.wordWrap = true;
addChild(inputTF);
var btnText:TextField = new TextField();
btnText.x = this.stage.stageWidth-90;
btnText.y = this.stage.stageHeight – 18;
btnText.width = 170;
btnText.height = 21;
btnText.text = "to TextBlock";
btnText.selectable = false;
addChild(btnText);

var button:Sprite = new Sprite();
button.graphics.lineStyle (2, 0x999999, 1.0);
button.graphics.beginFill (0xCCCCCC, 0);
button.graphics.drawRoundRect (this.stage.stageWidth-110, this.stage.stageHeight – 22 , 100 , 20 , 10 , 10);
button.buttonMode = true;
button.addEventListener(MouseEvent.CLICK,CLICK);
addChild(button);

CLICK();
}
private function CLICK(e:MouseEvent = null):void {
while (commentBase.numChildren) {
commentBase.removeChildAt(0);
}
var fontDescription:FontDescription = new FontDescription("MS Mincho");
var format:ElementFormat = new ElementFormat();
format.fontSize = 15;
format.fontDescription = fontDescription;

var txt_array:Array = inputTF.text.split("\r");
var linePosition:Number = stage.stageWidth – 30;

for (var i:int = 0; i < txt_array.length; i++) {
setTB(txt_array[i]);
}
function setTB(txt:String):void{
var textElement:TextElement = new TextElement(txt, format);
var textBlock:TextBlock = new TextBlock();
textBlock.content = textElement;
textBlock.lineRotation = TextRotation.ROTATE_90;
textBlock.textJustifier = new EastAsianJustifier();

var previousLine:TextLine = null;

while (true) {
var textLine:TextLine = textBlock.createTextLine(
previousLine,
300);
if (textLine == null)
break;
textLine.y = 16;
textLine.x = linePosition;
linePosition -= 24;
commentBase.addChild(textLine);
previousLine = textLine;
}
}
}
}
}
[/sourcecode]