[Bf-blender-cvs] [04eb24a] master: Fix T37718: Texture compression missing

[Sergey Sharybin]

Commit: 04eb24a33737b9d9e29ec758c3db8fb81d140fc1
Author: Sergey Sharybin
Date:   Tue Dec 17 22:16:53 2013 +0600
http://developer.blender.org/rB04eb24a33737b9d9e29ec758c3db8fb81d140fc1

Fix T37718: Texture compression missing

Make sure image will saved as (not over) after changing
it's type to Generated by clearing image's path in signal
handler.

===================================================================

M	source/blender/blenkernel/intern/image.c

===================================================================

diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index 17eab69..51c70e8 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -2277,6 +2277,15 @@ void BKE_image_signal(Image *ima, ImageUser *iuser, int signal)
 						IMB_freeImBuf(ibuf);
 					}
 				}
+
+				/* Changing source type to generated will likely change file format
+				 * used by generated image buffer. Saving different file format to
+				 * the old name might confuse other applications.
+				 *
+				 * Here we ensure original image path wouldn't be used when saving
+				 * generated image.
+				 */
+				ima->name[0] = '\0';
 			}
 
 #if 0