From 7e068a16f08114151b299581c1071affe3d7a80f Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Sat, 7 Sep 2013 04:35:26 +0000 Subject: avoid divide by zeto in node preview drawing. --- source/blender/editors/space_node/node_draw.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'source/blender/editors/space_node/node_draw.c') diff --git a/source/blender/editors/space_node/node_draw.c b/source/blender/editors/space_node/node_draw.c index b40a7e4702e..6719e371d63 100644 --- a/source/blender/editors/space_node/node_draw.c +++ b/source/blender/editors/space_node/node_draw.c @@ -923,10 +923,13 @@ static void node_draw_basis(const bContext *C, ARegion *ar, SpaceNode *snode, bN } /* 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); -- cgit v1.2.3