[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [59908] trunk/blender/source/blender/ editors/space_node/node_draw.c: avoid divide by zeto in node preview drawing.

Campbell Barton ideasman42 at gmail.com
Sat Sep 7 06:35:28 CEST 2013


Revision: 59908
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=59908
Author:   campbellbarton
Date:     2013-09-07 04:35:26 +0000 (Sat, 07 Sep 2013)
Log Message:
-----------
avoid divide by zeto in node preview drawing.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/space_node/node_draw.c

Modified: trunk/blender/source/blender/editors/space_node/node_draw.c
===================================================================
--- trunk/blender/source/blender/editors/space_node/node_draw.c	2013-09-07 02:34:06 UTC (rev 59907)
+++ trunk/blender/source/blender/editors/space_node/node_draw.c	2013-09-07 04:35:26 UTC (rev 59908)
@@ -923,10 +923,13 @@
 	}
 	
 	/* preview */
-	if (node->flag & NODE_PREVIEW) {
-		bNodePreview *preview = previews ? BKE_node_instance_hash_lookup(previews, key) : NULL;
-		if (preview && preview->rect && !BLI_rctf_is_empty(&node->prvr))
-			node_draw_preview(preview, &node->prvr);
+	if (node->flag & NODE_PREVIEW && previews) {
+		bNodePreview *preview = BKE_node_instance_hash_lookup(previews, key);
+		if (preview->xsize && preview->ysize) {
+			if (preview->rect && !BLI_rctf_is_empty(&node->prvr)) {
+				node_draw_preview(preview, &node->prvr);
+			}
+		}
 	}
 	
 	UI_ThemeClearColor(color_id);




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