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#include <u.h>
#include <libc.h>
#include <libg.h>
#include <bio.h>
static void usage(void);
static void snarf(char *, int);
static void choose(Fontchar *, Bitmap *, int, int, int);
struct {
char *name;
Bitmap *bm;
Subfont *sf;
} ft[1024];
int nf;
void
main(int argc, char **argv)
{
int i, errs;
Fontchar *fc;
Bitmap *b;
int nc, ht, as;
Subfont *f;
binit(0, 0, "font merge");
if(argc < 1)
usage();
nf = argc-1;
for(i = 0; i < nf; i++)
snarf(argv[i+1], i);
nc = ft[0].sf->n;
ht = ft[0].sf->height;
as = ft[0].sf->ascent;
errs = 0;
for(i = 0; i < nf; i++){
if(nc < ft[i].sf->n) nc = ft[i].sf->n;
if(ht != ft[1].sf->height){
fprint(2, "%s: %s.height=%d (!= %s.height=%d)\n", argv[0],
ft[i].name, ft[i].sf->height, ft[0].name, ht);
errs = 1;
}
if(as != ft[1].sf->ascent){
fprint(2, "%s: %s.ascent=%d (!= %s.ascent=%d)\n", argv[0],
ft[i].name, ft[i].sf->ascent, ft[0].name, ht);
errs = 1;
}
}
if(errs)
exits("param mismatch");
fc = (Fontchar *)malloc(nc*sizeof(Fontchar));
b = balloc(Rect(0, 0, nc*64, ht), ft[0].bm->ldepth);
if(b == 0 || fc == 0){
fprint(2, "%s: couldn't malloc %d chars\n", argv0, nc);
exits("out of memory");
}
bitblt(b, b->r.min, b, b->r, Zero);
choose(fc, b, nc, ht, as);
wrbitmapfile(1, b);
bitblt(&screen, screen.r.min, b, b->r, S); bflush();sleep(5000);
f = subfalloc(nc, ht, as, fc, b, ~0, ~0);
wrsubfontfile(1, f);
exits(0);
}
static void
usage(void)
{
fprint(2, "Usage: %s file ...\n", argv0);
exits("usage");
}
static void
snarf(char *name, int i)
{
int fd;
Bitmap *b;
ft[i].name = name;
if((fd = open(name, OREAD)) < 0){
perror(name);
exits("font read");
}
if((b = rdbitmapfile(fd)) == 0){
fprint(2, "rdbitmapfile failed\n");
exits("font read");
}
if((ft[i].bm = balloc(b->r, b->ldepth)) == 0){
fprint(2, "ballocsnarf failed\n");
exits("font read");
}
bitblt(ft[i].bm, b->r.min, b, b->r, S);
if((ft[i].sf = rdsubfontfile(fd, b)) == 0){
fprint(2, "rdsubfontfile failed\n");
exits("font read");
}
close(fd);
}
static void
choose(Fontchar *f, Bitmap *b, int nc, int ht, int as)
{
int j;
Fontchar *info;
int lastx = 0;
int w, n;
for(n = 0; n < nc; n++, f++){
f->x = lastx;
for(j = 0; j < nf; j++){
if(n >= ft[j].sf->n)
continue;
info = ft[j].sf->info;
if(info[n+1].x != info[n].x)
goto found;
}
continue;
found:
f->left = info[n].left;
f->top = info[n].top;
f->bottom = info[n].bottom;
f->width = info[n].width;
w = info[n+1].x - info[n].x;
bitblt(b, Pt(0, lastx), ft[j].bm, Rect(0, info[n].x, ht, info[n+1].x), S);
lastx += w;
}
f->x = lastx;
}
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