[Bf-blender-cvs] [b633c28] master: Fix integer division error with image scopes

[Campbell Barton]

Commit: b633c2857f141093ba16152b7c4c91f79d32d4c8
Author: Campbell Barton
Date:   Tue Jun 16 04:15:57 2015 +1000
Branches: master
https://developer.blender.org/rBb633c2857f141093ba16152b7c4c91f79d32d4c8

Fix integer division error with image scopes

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

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

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

diff --git a/source/blender/blenkernel/intern/colortools.c b/source/blender/blenkernel/intern/colortools.c
index a6ba134..9cce929 100644
--- a/source/blender/blenkernel/intern/colortools.c
+++ b/source/blender/blenkernel/intern/colortools.c
@@ -1087,6 +1087,7 @@ void scopes_update(Scopes *scopes, ImBuf *ibuf, const ColorManagedViewSettings *
 
 	/* convert to number of lines with logarithmic scale */
 	scopes->sample_lines = (scopes->accuracy * 0.01f) * (scopes->accuracy * 0.01f) * ibuf->y;
+	CLAMP_MIN(scopes->sample_lines, 1);
 	
 	if (scopes->sample_full)
 		scopes->sample_lines = ibuf->y;