dotfiles/.config/suckless/st/patch/font2.c
2024-04-24 09:28:30 +05:00

96 lines
2.3 KiB
C

int
xloadsparefont(FcPattern *pattern, int flags)
{
FcPattern *match;
FcResult result;
match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
if (!match) {
return 1;
}
if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
return 1;
}
frc[frclen].flags = flags;
/* Believe U+0000 glyph will present in each default font */
frc[frclen].unicodep = 0;
frclen++;
return 0;
}
void
xloadsparefonts(void)
{
FcPattern *pattern;
double fontval;
int fc;
char **fp;
if (frclen != 0)
die("can't embed spare fonts. cache isn't empty");
/* Calculate count of spare fonts */
fc = sizeof(font2) / sizeof(*font2);
if (fc == 0)
return;
/* Allocate memory for cache entries. */
if (frccap < 4 * fc) {
frccap += 4 * fc - frccap;
frc = xrealloc(frc, frccap * sizeof(Fontcache));
}
for (fp = font2; fp - font2 < fc; ++fp) {
if (**fp == '-')
pattern = XftXlfdParse(*fp, False, False);
else
pattern = FcNameParse((FcChar8 *)*fp);
if (!pattern)
die("can't open spare font %s\n", *fp);
if (defaultfontsize > 0 && defaultfontsize != usedfontsize) {
if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
FcResultMatch) {
fontval *= usedfontsize / defaultfontsize;
FcPatternDel(pattern, FC_PIXEL_SIZE);
FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
} else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
FcResultMatch) {
fontval *= usedfontsize / defaultfontsize;
FcPatternDel(pattern, FC_PIXEL_SIZE);
FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_SIZE, fontval);
}
}
FcPatternAddBool(pattern, FC_SCALABLE, 1);
if (xloadsparefont(pattern, FRC_NORMAL))
die("can't open spare font %s\n", *fp);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
if (xloadsparefont(pattern, FRC_ITALIC))
die("can't open spare font %s\n", *fp);
FcPatternDel(pattern, FC_WEIGHT);
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
if (xloadsparefont(pattern, FRC_ITALICBOLD))
die("can't open spare font %s\n", *fp);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
if (xloadsparefont(pattern, FRC_BOLD))
die("can't open spare font %s\n", *fp);
FcPatternDestroy(pattern);
}
}