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- Apple II
- Technical Notes
- _____________________________________________________________________________
- Developer Technical Support
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- Apple IIgs
- #104: Font Manager Fundamentals
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- This Technical Note discusses information and philosophy of that typographical
- toolset, the Font Manager.
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- FixFontMenu only works once per FMStartUp
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- You may have noticed that none of the Font Manager calls that translate font
- family numbers to menu item IDs (or vice-versa) require a menu ID as a
- parameter. That's because the Font Manager was designed with the idea that an
- application would only need one font menu, so it keeps one correspondence in
- private static storage.
-
- This means that once someone has called FixFontMenu, any later FixFontMenu call
- during that Font Manager session will destroy the results of the first one,
- unless all the parameters are identical. The Font Manager doesn't remove the
- font menu items, but it does not return the correct results from FamNum2ItemID
- or ItemID2FamNum.
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- This means if you're a new desk accessory, the Font Manager can't help you
- create a font menu--attempting to use FixFontMenu will make any application
- font menu useless. You can use Font Manager routines such as CountFamiles,
- FindFamily and GetFamInfo to obtain all the information necessary to build your
- own font menu (or font choosing dialog box, for that matter--but if you create
- a dialog for an NDA, remember that it has to fit in 320 mode also).
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- Font styling requires QuickDraw Auxiliary
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- The Font Manager can't create fonts with outline, shadow or italic styles
- unless QuickDraw Auxiliary (tool set #18) is present and started. These facts
- are mentioned in pieces other places, but not in one place--if you want normal
- Font Manager operations, you must load and start QuickDraw Auxiliary.
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- Further Reference
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- o Apple IIgs Toolbox Reference, Volumes 1-3
-