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kern.h
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C/C++ Source or Header
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1992-03-27
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2KB
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45 lines
/* kern.h: declarations for manipulating the kerning table.
Copyright (C) 1992 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef KERN_H
#define KERN_H
#include "xt-common.h"
/* Change the kern for the current character in FONT with the character
specified by W to be V pixels. */
extern void change_kern_callback (Widget w, XtPointer font, XtPointer v);
/* Add a kern (with initial value zero) between the current character in
FONT and the character C. */
extern void add_kern_callback (Widget w, XtPointer font, XtPointer c);
/* Make a new widget for the character CODE in the font F with value K
points and add it to the widget W. */
extern void add_kern_widget (Widget w, font_type *f, charcode_type code, real k);
/* Remove an existing kern between the current character in FONT and the
character C. */
extern void remove_kern_callback (Widget w, XtPointer font, XtPointer c);
/* Return the maximum width of a kern item. */
extern unsigned find_kern_item_width (Widget top);
#endif /* not KERN_H */