make it possible to access fonts without a display.
diff --git a/src/libdraw/readimage.c b/src/libdraw/readimage.c
index 1d2717b..8135c45 100644
--- a/src/libdraw/readimage.c
+++ b/src/libdraw/readimage.c
@@ -23,7 +23,10 @@
return creadimage(d, fd, dolock);
if(readn(fd, hdr+11, 5*12-11) != 5*12-11)
return nil;
- chunk = d->bufsize - 32; /* a little room for header */
+ if(d)
+ chunk = d->bufsize - 32; /* a little room for header */
+ else
+ chunk = 8192;
/*
* distinguish new channel descriptor from old ldepth.
@@ -69,13 +72,20 @@
maxy = r.max.y;
l = bytesperline(r, chantodepth(chan));
- if(dolock)
- lockdisplay(d);
- i = allocimage(d, r, chan, 0, -1);
- if(dolock)
- unlockdisplay(d);
- if(i == nil)
- return nil;
+ if(d){
+ if(dolock)
+ lockdisplay(d);
+ i = allocimage(d, r, chan, 0, -1);
+ if(dolock)
+ unlockdisplay(d);
+ if(i == nil)
+ return nil;
+ }else{
+ i = mallocz(sizeof(Image), 1);
+ if(i == nil)
+ return nil;
+ }
+
tmp = malloc(chunk);
if(tmp == nil)
goto Err;
@@ -105,12 +115,14 @@
for(j=0; j<chunk; j++)
tmp[j] ^= 0xFF;
- if(dolock)
- lockdisplay(d);
- if(loadimage(i, Rect(r.min.x, miny, r.max.x, miny+dy), tmp, chunk) <= 0)
- goto Err1;
- if(dolock)
- unlockdisplay(d);
+ if(d){
+ if(dolock)
+ lockdisplay(d);
+ if(loadimage(i, Rect(r.min.x, miny, r.max.x, miny+dy), tmp, chunk) <= 0)
+ goto Err1;
+ if(dolock)
+ unlockdisplay(d);
+ }
miny += dy;
}
free(tmp);
