drw: simplify drw_font_xcreate and prevent a potential unneeded allocation

main
Hiltjo Posthuma 2015-10-20 22:55:39 +02:00
parent 1f2226df13
commit e2e7fcb219
1 changed files with 19 additions and 22 deletions

41
drw.c
View File

@ -108,12 +108,8 @@ static Fnt *
drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
{
Fnt *font;
if (!(fontname || fontpattern))
die("No font specified.\n");
if (!(font = calloc(1, sizeof(Fnt))))
return NULL;
XftFont *xfont = NULL;
FcPattern *pattern = NULL;
if (fontname) {
/* Using the pattern found at font->xfont->pattern does not yield same
@ -122,28 +118,29 @@ drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
* behaviour whereas the former just results in
* missing-character-rectangles being drawn, at least with some fonts.
*/
if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) ||
!(font->pattern = FcNameParse((FcChar8 *) fontname))) {
if (font->xfont) {
XftFontClose(drw->dpy, font->xfont);
font->xfont = NULL;
}
if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
return NULL;
}
if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
XftFontClose(drw->dpy, xfont);
return NULL;
}
} else if (fontpattern) {
if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern)))
if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
fprintf(stderr, "error, cannot load font pattern.\n");
else
font->pattern = NULL;
return NULL;
}
} else {
die("no font specified.\n");
}
if (!font->xfont) {
free(font);
return NULL;
}
font->ascent = font->xfont->ascent;
font->descent = font->xfont->descent;
font = ecalloc(1, sizeof(Fnt));
font->xfont = xfont;
font->pattern = pattern;
font->ascent = xfont->ascent;
font->descent = xfont->descent;
font->h = font->ascent + font->descent;
font->dpy = drw->dpy;