Compute the scaled image width and height with the right factors (so we don't divide by zero).

1 files changed, 2 insertions, 2 deletions

diff --git a/fitz/dev_draw.c b/fitz/dev_draw.c
index 2f1ec421..9dfa58fc 100644
--- a/fitz/dev_draw.c
+++ b/fitz/dev_draw.c
@@ -518,8 +518,8 @@ calcimagestate(fz_drawdevice *dev, fz_pixmap *image, fz_matrix ctm,
 	else
 		*dy = sy;
 
-	w = image->w / *dx;
-	h = image->h / *dy;
+	w = (image->w + *dx - 1) / *dx;
+	h = (image->h + *dy - 1) / *dy;
 
 	path = fz_newpath();
 	fz_moveto(path, 0, 0);