52ef78b1b0
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2233 a1c6a512-1295-4272-9138-f99709370657
22 lines
993 B
Text
22 lines
993 B
Text
Description of the binary AJF font file format
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Index Descripton
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00 MAGIC1 (0xBD)
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01 MAGIC2 (0xFC) used to make sure this is an ajf font
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02 Unused, planned use: "code page"
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03 - 22 ASCII text holding the font name
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23 - 24 "bound width" (high 8 bits, low 8 bits)
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25 - 26 "bound height" (high 8 bits, low 8 bits)
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26 - 28 first character in the font
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29 - 2a 0x00ff (supposed number of characters in the font?)
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2b - map offset table starts here. Each offset entry is supposed to be
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three bytes: width, offset highbyte, offset lowbyte
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The offset is a relative offset, counted in bytes, to where in the
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font data this particular char's bitmap image starts.
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font data, in Rockbox-internal image-format. That means column-wise
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left-to-right for the full width, the first 8 pixels of height. Then
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follows the next 8 pixels of height left-to-right.
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We don't currently support fonts larger than 16 pixels.
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