gst/games/gstpuzzle.c: don't draw a puzzle if either width or height of tiles would be 0.

Original commit message from CVS:
* gst/games/gstpuzzle.c: (draw_puzzle):
don't draw a puzzle if either width or height of tiles would be 0.

2 files changed, 11 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index a52a72be..e824be87 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2005-01-06  Benjamin Otte  <otte@gnome.org>
 
+	* gst/games/gstpuzzle.c: (draw_puzzle):
+	  don't draw a puzzle if either width or height of tiles would be 0.
+
+2005-01-06  Benjamin Otte  <otte@gnome.org>
+
 	* gst/games/gstpuzzle.c: (gst_puzzle_get_type),
 	(gst_puzzle_class_init), (gst_puzzle_finalize):
 	  no memleaks, please
diff --git a/gst/games/gstpuzzle.c b/gst/games/gstpuzzle.c
index 532fa774..25e631f8 100644
--- a/gst/games/gstpuzzle.c
+++ b/gst/games/gstpuzzle.c
@@ -498,6 +498,12 @@ draw_puzzle (GstVideofilter * videofilter, void *destp, void *srcp)
   /* use multiples of 4 here to get around drawing problems with YUV colorspaces */
   width = (width / puzzle->columns) & ~3;
   height = (height / puzzle->rows) & ~3;
+  if (width == 0 || height == 0) {
+    gst_video_image_copy_area (&dest, 0, 0, &src, 0, 0,
+        gst_videofilter_get_input_width (videofilter),
+        gst_videofilter_get_input_height (videofilter));
+    return;
+  }
   if (width * puzzle->columns != gst_videofilter_get_input_width (videofilter)) {
     guint w =
         gst_videofilter_get_input_width (videofilter) - width * puzzle->columns;