X-Git-Url: https://git.octo.it/?p=libopano.git;a=blobdiff_plain;f=src%2Fpanolib.c;fp=src%2Fpanolib.c;h=6d503d6c36ff3afc22fb554a91c5904d2599abf0;hp=26860597ef137d1cac383d35fa0636f6631df384;hb=37da36e515306b3a538731220ee25f665071e892;hpb=6daddf39485747a5aa004a3a0a7d7a893807def1

diff --git a/src/panolib.c b/src/panolib.c
index 2686059..6d503d6 100644
--- a/src/panolib.c
+++ b/src/panolib.c
@@ -91,16 +91,16 @@ static int copy_pixel (ui_image_t *dest, const ui_image_t *src,
 		int i;
 
 		x_src_left = (int) x_src_fp;
-		x_src_right = x_src_left + 1;
+		x_src_right = (x_src_left + 1) % src->width;
+
 		y_src_top  = (int) y_src_fp;
 		y_src_bottom = y_src_top + 1;
+		if (y_src_bottom >= src->height)
+			y_src_bottom = src->height - 1;
 
 		x_right_frac = x_src_fp - x_src_left;
 		y_bottom_frac = y_src_fp - y_src_top;
 
-		assert (x_src_right < src->width);
-		assert (y_src_bottom < src->height);
-
 		assert ((x_right_frac >= 0.0) && (x_right_frac <= 1.0));
 		assert ((y_bottom_frac >= 0.0) && (y_bottom_frac <= 1.0));