fontsrv: work around a few crashes
Probably not the right fix, but gets us going.
R=rsc
http://codereview.appspot.com/6782113
diff --git a/src/cmd/fontsrv/osx.c b/src/cmd/fontsrv/osx.c
index 94190d1..b00698a 100644
--- a/src/cmd/fontsrv/osx.c
+++ b/src/cmd/fontsrv/osx.c
@@ -183,10 +183,10 @@
x = (int)(bbox.size.width * size / unit + 0.99999999);
y = bbox.size.height * size/unit + 0.99999999;
y0 = (int)(-bbox.origin.y * size/unit + 0.99999999);
- m = allocmemimage(Rect(0, 0, x*(hi+1-lo), y), GREY8);
+ m = allocmemimage(Rect(0, 0, x*(hi+1-lo)+1, y+1), GREY8);
if(m == nil)
return nil;
- mc = allocmemimage(Rect(0, 0, x, y), GREY8);
+ mc = allocmemimage(Rect(0, 0, x+1, y+1), GREY8);
if(mc == nil)
return nil;
memfillcolor(m, DBlack);
@@ -272,6 +272,10 @@
// round up to 32-bit boundary
// so that in-memory data is same
// layout as in-file data.
+ if(x == 0)
+ x = 1;
+ if(y == 0)
+ y = 1;
if(antialias)
x += -x & 3;
else
