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/*
* $XFree86: xc/lib/Xft/xftxlfd.c,v 1.1 2000/11/29 08:39:24 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "xftint.h"
static XftSymbolic XftXlfdWeights[] = {
{ "light", XFT_WEIGHT_LIGHT },
{ "medium", XFT_WEIGHT_MEDIUM },
{ "regular", XFT_WEIGHT_MEDIUM },
{ "demibold", XFT_WEIGHT_DEMIBOLD },
{ "bold", XFT_WEIGHT_BOLD },
{ "black", XFT_WEIGHT_BLACK },
};
#define NUM_XLFD_WEIGHTS (sizeof XftXlfdWeights/sizeof XftXlfdWeights[0])
static XftSymbolic XftXlfdSlants[] = {
{ "r", XFT_SLANT_ROMAN },
{ "i", XFT_SLANT_ITALIC },
{ "o", XFT_SLANT_OBLIQUE },
};
#define NUM_XLFD_SLANTS (sizeof XftXlfdSlants/sizeof XftXlfdSlants[0])
XftPattern *
XftXlfdParse (const char *xlfd_orig, Bool ignore_scalable)
{
XftPattern *pat;
const char *xlfd = xlfd_orig;
const char *foundry;
const char *family;
const char *weight_name;
const char *slant;
const char *registry;
const char *encoding;
char *save;
char style[128];
int pixel;
int point;
int resx;
int resy;
int slant_value, weight_value;
if (*xlfd != '-')
return 0;
if (!(xlfd = strchr (foundry = ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (family = ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (weight_name = ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (slant = ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (/* setwidth_name = */ ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (/* add_style_name = */ ++xlfd, '-'))) return 0;
if (!(xlfd = _XftGetInt (++xlfd, &pixel))) return 0;
if (!(xlfd = _XftGetInt (++xlfd, &point))) return 0;
if (!(xlfd = _XftGetInt (++xlfd, &resx))) return 0;
if (!(xlfd = _XftGetInt (++xlfd, &resy))) return 0;
if (!(xlfd = strchr (/* spacing = */ ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (/* average_width = */ ++xlfd, '-'))) return 0;
if (!(xlfd = strchr (registry = ++xlfd, '-'))) return 0;
/* make sure no fields follow this one */
if ((xlfd = strchr (encoding = ++xlfd, '-'))) return 0;
if (ignore_scalable && !pixel)
return 0;
pat = XftPatternCreate ();
if (!pat)
return 0;
save = (char *) malloc (strlen (foundry) + 1);
if (!save)
return 0;
if (!XftPatternAddString (pat, XFT_XLFD, xlfd_orig)) goto bail;
if (!XftPatternAddBool (pat, XFT_CORE, True)) goto bail;
if (!XftPatternAddString (pat, XFT_FOUNDRY, _XftSplitStr (foundry, save))) goto bail;
if (!XftPatternAddString (pat, XFT_FAMILY, _XftSplitStr (family, save))) goto bail;
weight_value = _XftMatchSymbolic (XftXlfdWeights, NUM_XLFD_WEIGHTS,
_XftSplitStr (weight_name, save),
XFT_WEIGHT_MEDIUM);
if (!XftPatternAddInteger (pat, XFT_WEIGHT, weight_value))
goto bail;
slant_value = _XftMatchSymbolic (XftXlfdSlants, NUM_XLFD_SLANTS,
_XftSplitStr (slant, save),
XFT_SLANT_ROMAN);
if (!XftPatternAddInteger (pat, XFT_SLANT, slant_value))
goto bail;
/*
* Build a style name
*/
style[0] = '\0';
switch (weight_value) {
case XFT_WEIGHT_LIGHT: strcat (style, "light"); break;
case XFT_WEIGHT_DEMIBOLD: strcat (style, "demibold"); break;
case XFT_WEIGHT_BOLD: strcat (style, "bold"); break;
case XFT_WEIGHT_BLACK: strcat (style, "black"); break;
}
if (slant_value != XFT_SLANT_ROMAN) {
if (style[0])
strcat (style, " ");
switch (slant_value) {
case XFT_SLANT_ITALIC: strcat (style, "italic"); break;
case XFT_SLANT_OBLIQUE: strcat (style, "oblique"); break;
}
}
if (!style[0])
strcat (style, "regular");
if (!XftPatternAddString (pat, XFT_STYLE, style))
goto bail;
if (pixel)
if (!XftPatternAddDouble (pat, XFT_PIXEL_SIZE, (double) pixel)) goto bail;
if (!XftPatternAddBool (pat, XFT_SCALABLE, pixel == 0)) goto bail;
if (!XftPatternAddString (pat, XFT_ENCODING, _XftDownStr (registry, save))) goto bail;
free (save);
return pat;
bail:
free (save);
XftPatternDestroy (pat);
return 0;
}
Bool
XftCoreAddFonts (XftFontSet *set, Display *dpy, Bool ignore_scalable)
{
char **xlfds;
int num;
int i;
XftPattern *font;
Bool ret;
xlfds = XListFonts (dpy,
"-*-*-*-*-*-*-*-*-*-*-*-*-*-*",
10000, &num);
if (!xlfds)
return False;
ret = True;
for (i = 0; ret && i < num; i++)
{
font = XftXlfdParse (xlfds[i], ignore_scalable);
if (font)
{
#if 0
printf ("xlfd %s ", xlfds[i]);
XftPatternPrint (font);
#endif
if (!XftFontSetAdd (set, font))
ret = False;
}
}
XFreeFontNames (xlfds);
return ret;
}
XFontStruct *
XftCoreOpen (Display *dpy, XftPattern *pattern)
{
char *xlfd;
char *xlfd_pixel = 0;
char *i, *o;
int d;
Bool scalable;
double pixel_size;
int pixel_int;
XFontStruct *ret;
#if 0
printf ("Core ");
XftPatternPrint (pattern);
#endif
if (XftPatternGetString (pattern, XFT_XLFD, 0, &xlfd) != XftResultMatch)
return 0;
if (XftPatternGetBool (pattern, XFT_SCALABLE, 0, &scalable) != XftResultMatch)
return 0;
if (scalable)
{
if (XftPatternGetDouble (pattern, XFT_PIXEL_SIZE, 0, &pixel_size) != XftResultMatch)
return 0;
pixel_int = (int) (pixel_size + 0.5);
if (pixel_int)
{
xlfd_pixel = (char *) malloc (strlen (xlfd) + 32);
i = xlfd;
o = xlfd_pixel;
d = 0;
while (d != 7 && *i)
{
if ((*o++ = *i++) == '-')
d++;
}
if (*i)
{
sprintf (o, "%d", pixel_int);
o += strlen (o);
while (*i != '-')
++i;
}
while ((*o++ = *i++));
#if 0
printf ("original %s sized %s\n", xlfd, xlfd_pixel);
#endif
xlfd = xlfd_pixel;
}
}
ret = XLoadQueryFont (dpy, xlfd);
if (xlfd_pixel)
free (xlfd_pixel);
return ret;
}
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