Flex中检测应用程序是否嵌入某种特定字体的例子

isFontFaceEmbedded()时间，检查嵌入的某种特定的字体。

让我们先来看一下Demo（

）：

Download: main.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white"
applicationComplete="init();">

<mx:Style>
@font-face {
src: local("Arial");
fontFamily: ArialEmbedded;
}

@font-face {
src: local("Verdana");
fontFamily: VerdanaEmbedded;
fontStyle: italic;
}
</mx:Style>

<mx:Script>
<![CDATA[
import mx.utils.ObjectUtil;

private function init():void {
var isEmbedded:Boolean;

var tf:TextFormat = new TextFormat();
tf.font = fontName.selectedLabel;
tf.bold = isBold.selected;
tf.italic = isItalic.selected;

isEmbedded = systemManager.isFontFaceEmbedded(tf);
footer.label = isEmbedded.toString();
}
]]>
</mx:Script>

<mx:Form>
<mx:FormItem label="Font name:">
<mx:ComboBox id="fontName" change="init();">
<mx:dataProvider>
<mx:Array>
<mx:String>Arial</mx:String>
<mx:String>ArialEmbedded</mx:String>
<mx:String>Verdana</mx:String>
<mx:String>VerdanaEmbedded</mx:String>
</mx:Array>
</mx:dataProvider>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="Bold:">
<mx:CheckBox id="isBold"
selected="false"
change="init();" />
</mx:FormItem>
<mx:FormItem label="Italic:">
<mx:CheckBox id="isItalic"
selected="false"
change="init();" />
</mx:FormItem>
<mx:FormHeading id="footer" />
</mx:Form>

</mx:Application>