Using Adobe® Flex® 4 - Adobe Blogs

Setting character ranges
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USING FLEX 4
Fonts
By specifying a range of symbols that compose the face of an embedded font, you reduce the size of an embedded font.
Each character in a font that you use must be described; removing some of these characters reduces the overall size of
the description information that Flex must include for each embedded font.
You can set the range of glyphs in the flex-config.xml file or in the @font-face declaration. You specify individual
characters or ranges of characters using the Unicode values for the characters, and you can set multiple ranges for each
font declaration.
The syntax for setting a character range is as follows:
U+[beginning of range]-[end of range];
For example:
U+0041-005A
If you use a character that is outside of the declared range, Flex displays a device font for that character. For more
information on setting character ranges in Flex applications, see the CSS-2 Fonts specification at
www.w3.org/TR/1998/REC-CSS2-19980512/fonts.html#descdef-unicode-range.
If you embed a font from a SWF file, you can restrict the character range in Flash. For more information, see
Embedding fonts from SWF files.
Setting ranges in font-face declarations
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You can set the range of allowable characters in an MXML file by using the unicodeRange property of the @fontface
declaration. The following example embeds the Myriad Web Pro font and defines the range of characters for the
font in the tag:
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