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Man Pages


Manual Reference Pages  -  MFONTSET_MODIFY_ENTRY (3)

NAME

mfontset_modify_entry - Modify the contents of a fontset.

CONTENTS

Synopsis
Description
Return Value
Errors
Copyright

SYNOPSIS

int mfontset_modify_entry (MFontset * fontset, MSymbol script, MSymbol language, MSymbol charset, MFont * spec, MSymbol layouter_name, int how)

DESCRIPTION

Modify the contents of a fontset.

The mfontset_modify_entry() function associates, in fontset fontset, a copy of font with the script / language pair or with charset.

Each font in a fontset is associated with a particular script/language pair, with a particular charset, or with the symbol Mnil. The fonts that are associated with the same item make a group.

If script is not Mnil, it must be a symbol identifying a script. In this case, language is either a symbol identifying a language or Mnil, and font is associated with the script / language pair.

If charset is not Mnil, it must be a symbol representing a charset object. In this case, font is associated with that charset.

If both script and charset are not Mnil, two copies of font are created. Then one is associated with the script / language pair and the other with that charset.

If both script and charset are Mnil, font is associated with Mnil. This kind of fonts are called fallback fonts.

The argument how specifies the priority of font. If how is positive, font has the highest priority in the group of fonts that are associated with the same item. If how is negative, font has the lowest priority. If how is zero, font becomes the only available font for the associated item; all the other fonts are removed from the group.

If layouter_name is not Mnil, it must be a symbol representing a mdbFLT (font layout table). In that case, if font is selected for drawing an M-text, that font layout table is used to generate a glyph code sequence from a character sequence.

RETURN VALUE

If the operation was successful, mfontset_modify_entry() returns 0. Otherwise it returns -1 and assigns an error code to the external variable merror_code.

ERRORS

MERROR_SYMBOL

COPYRIGHT

Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2009 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.
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MFONTSET_MODIFY_ENTRY (3m17n) 15 Oct 2009

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