81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
|
|
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
|
|
* See LICENSE file for license details.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <locale.h>
|
|
|
|
unsigned int
|
|
textwidth_l(BlitzFont *font, char *text, unsigned int len)
|
|
{
|
|
if(font->set) {
|
|
XRectangle r;
|
|
XmbTextExtents(font->set, text, len, nil, &r);
|
|
return r.width;
|
|
}
|
|
return XTextWidth(font->xfont, text, len);
|
|
}
|
|
|
|
unsigned int
|
|
textwidth(BlitzFont *font, char *text)
|
|
{
|
|
return blitz_textwidth_l(font, text, strlen(text));
|
|
}
|
|
|
|
void
|
|
loadfont(Blitz *blitz, BlitzFont *font)
|
|
{
|
|
char *fontname = font->fontstr;
|
|
char **missing = nil, *def = "?";
|
|
int n;
|
|
|
|
setlocale(LC_ALL, "");
|
|
if(font->set)
|
|
XFreeFontSet(blitz->dpy, font->set);
|
|
font->set = XCreateFontSet(blitz->dpy, fontname, &missing, &n, &def);
|
|
if(missing) {
|
|
while(n--)
|
|
fprintf(stderr, "liblitz: missing fontset: %s\n", missing[n]);
|
|
XFreeStringList(missing);
|
|
if(font->set) {
|
|
XFreeFontSet(blitz->dpy, font->set);
|
|
font->set = nil;
|
|
}
|
|
}
|
|
if(font->set) {
|
|
XFontSetExtents *font_extents;
|
|
XFontStruct **xfonts;
|
|
char **font_names;
|
|
unsigned int i;
|
|
|
|
font->ascent = font->descent = 0;
|
|
font_extents = XExtentsOfFontSet(font->set);
|
|
n = XFontsOfFontSet(font->set, &xfonts, &font_names);
|
|
for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) {
|
|
if(font->ascent < (*xfonts)->ascent)
|
|
font->ascent = (*xfonts)->ascent;
|
|
if(font->descent < (*xfonts)->descent)
|
|
font->descent = (*xfonts)->descent;
|
|
xfonts++;
|
|
}
|
|
}
|
|
else {
|
|
if(font->xfont)
|
|
XFreeFont(blitz->dpy, font->xfont);
|
|
font->xfont = nil;
|
|
font->xfont = XLoadQueryFont(blitz->dpy, fontname);
|
|
if (!font->xfont) {
|
|
fontname = "fixed";
|
|
font->xfont = XLoadQueryFont(blitz->dpy, fontname);
|
|
}
|
|
if (!font->xfont) {
|
|
fprintf(stderr, "%s", "liblitz: error, cannot load 'fixed' font\n");
|
|
exit(1);
|
|
}
|
|
font->ascent = font->xfont->ascent;
|
|
font->descent = font->xfont->descent;
|
|
}
|
|
}
|