Flexでは、font AntiAlias Type、font Sharpnes、font Thickを通過します。

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
        layout="vertical" 
        verticalAlign="middle" 
        backgroundColor="white"> 
  
    <mx:Style> 
        @font-face { 
            src: local("Arial"); 
            fontFamily: "ArialEmbedded"; 
        } 
  
        Label { 
            fontFamily: ArialEmbedded; 
        } 
    </mx:Style> 
  
    <mx:Array id="antiAliasTypes"> 
        <mx:Object label="normal" /> 
        <mx:Object label="advanced" /> 
    </mx:Array> 
  
    <mx:Array id="gridFitTypes"> 
        <mx:Object label="none" /> 
        <mx:Object label="pixel" /> 
        <mx:Object label="subpixel" /> 
    </mx:Array> 
  
    <mx:Boolean id="isAdvanced"> 
        {antiAliasTypeComboBox.selectedIndex == 1} 
    </mx:Boolean> 
  
    <mx:ApplicationControlBar dock="true"> 
        <mx:Form> 
            <mx:FormItem label="fontSize:"> 
                <mx:HSlider id="sizeSlider" 
                        minimum="6" 
                        maximum="24" 
                        value="10" 
                        liveDragging="true" 
                        snapInterval="1" 
                        tickInterval="1" /> 
            </mx:FormItem> 
            <mx:FormItem label="rotation:"> 
                <mx:HSlider id="rotationSlider" 
                        minimum="-3" 
                        maximum="3" 
                        value="0" 
                        liveDragging="true" 
                        snapInterval="0.1" 
                        tickInterval="1" /> 
            </mx:FormItem> 
            <mx:FormItem label="fontAntiAliasType:"> 
                <mx:ComboBox id="antiAliasTypeComboBox" 
                        dataProvider="{antiAliasTypes}" /> 
            </mx:FormItem> 
            <mx:FormItem label="fontSharpness:" 
                    enabled="{isAdvanced}"> 
                <mx:HSlider id="sharpnessSlider" 
                        minimum="-400" 
                        maximum="400" 
                        value="0" 
                        liveDragging="true" 
                        snapInterval="1" 
                        tickInterval="20" /> 
            </mx:FormItem> 
            <mx:FormItem label="fontThickness:" 
                    enabled="{isAdvanced}"> 
                <mx:HSlider id="thicknessSlider" 
                        minimum="-200" 
                        maximum="200" 
                        value="0" 
                        liveDragging="true" 
                        snapInterval="1" 
                        tickInterval="10" /> 
            </mx:FormItem> 
            <mx:FormItem label="fontGridFitType:" 
                    enabled="{isAdvanced}"> 
                <mx:ComboBox id="gridFitTypeComboBox" 
                        dataProvider="{gridFitTypes}" /> 
            </mx:FormItem> 
        </mx:Form> 
    </mx:ApplicationControlBar> 
  
    <mx:Label id="lbl" 
            text="The quick brown fox jumped over the lazy dog." 
            fontSize="{sizeSlider.value}" 
            fontAntiAliasType="{antiAliasTypeComboBox.selectedItem.label}" 
            fontSharpness="{sharpnessSlider.value}" 
            fontThickness="{thicknessSlider.value}" 
            fontGridFitType="{gridFitTypeComboBox.selectedItem.label}" 
            rotation="{rotationSlider.value}" 
            truncateToFit="false" /> 
  
</mx:Application>