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#include <X11/Xft/Xft.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xrender.h>
#include <fontconfig/fontconfig.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char** argv) {
if (argc < 3) {
printf("xftwidth font string\n");
return 1;
}
Display *dpy;
XftFont *fn;
XGlyphInfo ext;
FcChar8 *str;
char *name = argv[1];
size_t len = strlen(argv[2]);
// len + 1?..
str = (FcChar8*) malloc(len * sizeof(FcChar8) + 1);
strncpy((char*)str, argv[2], len);
dpy = XOpenDisplay(NULL);
fn = XftFontOpenName(dpy, 0, name);
if (fn == NULL) {
printf("Font not found.\n");
return 1;
}
XftTextExtents8(dpy, fn, str, (int)len, &ext);
printf("%d\n", ext.width);
free((void*)str);
return 0;
}
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