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#include <u.h>
#include <libc.h>
#include <draw.h>
/*
* Default version: convert to file name
*/
char*
subfontname(char *cfname, char *fname, int maxdepth)
{
char *t, *u, *tmp1, *tmp2, *base;
int i, scale;
scale = parsefontscale(fname, &base);
t = strdup(cfname); /* t is the return string */
if(strcmp(cfname, "*default*") == 0) {
if(scale > 1) {
free(t);
return smprint("%d*%s", scale, cfname);
}
return t;
}
if(t[0] != '/'){
tmp2 = strdup(base);
u = utfrrune(tmp2, '/');
if(u)
u[0] = 0;
else
strcpy(tmp2, ".");
tmp1 = smprint("%s/%s", tmp2, t);
free(tmp2);
free(t);
t = tmp1;
}
if(maxdepth > 8)
maxdepth = 8;
for(i=3; i>=0; i--){
if((1<<i) > maxdepth)
continue;
/* try i-bit grey */
tmp2 = smprint("%s.%d", t, i);
if(access(tmp2, AREAD) == 0) {
free(t);
if(scale > 1) {
t = smprint("%d*%s", scale, tmp2);
free(tmp2);
tmp2 = t;
}
return tmp2;
}
free(tmp2);
}
/* try default */
if(strncmp(t, "/mnt/font/", 10) == 0 || access(t, AREAD) == 0) {
if(scale > 1) {
tmp2 = smprint("%d*%s", scale, t);
free(t);
t = tmp2;
}
return t;
}
return nil;
}
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