Embed same font twice, each time restricting the font to different character ranges.

          

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<!-- charts/CharacterRangeDetection.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark"
    creationComplete="checkCharacterSupport();">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Style>
        @font-face { 
           font-family: myABFont; 
           src:url("a.ttf"); 
           /* Limit range to the characters A and B. */ 
           unicodeRange: U+0041-0042;
           embedAsCFF: true; 
        } 
        @font-face { 
           font-family: myWideRangeFont;
           src:url("a.ttf"); 
           /* Set range to the 128 characters in * the Basic Latin block. */ 
           unicodeRange: U+0041-007F; 
           embedAsCFF: true; 
        }
    </fx:Style>
    <fx:Script> 
        public function checkCharacterSupport():void { 
            var fontArray:Array = Font.enumerateFonts(false); 
            for(var i:int = 0; i < fontArray.length; i++) { 
                var thisFont:Font = fontArray[i]; 
                if (thisFont.hasGlyphs("DHARMA")) { 
                    ta1.text += "The font '" + thisFont.fontName + "' supports these glyphs.\n"; 
                } else { 
                    ta1.text += "The font '" + thisFont.fontName + "' does not support these glyphs.\n"; 
                } 
            } 
        } 
      </fx:Script>
    <s:VGroup>
        <s:RichText>
            <s:text>
                myABFont unicodeRange: U+0041-0042 (characters A and B)
            </s:text>
        </s:RichText>
        <s:RichText>
            <s:text>
                myWideRangeFont unicodeRange: U+0041-007F (Basic Latin chars)
            </s:text>
        </s:RichText>
        <s:Label text="Glyphs: DHARMA" />
        <s:RichText id="ta1" height="150" width="300" />
    </s:VGroup>
</s:Application>

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Embed same font twice, each time restricting the font to different character ranges. : Font « Graphics « Flex

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