gimp r25972 - in trunk: . app/tools

[martinn svn gnome org]

Author: martinn
Date: Sat Jun 21 09:39:49 2008
New Revision: 25972
URL: http://svn.gnome.org/viewvc/gimp?rev=25972&view=rev

Log:
2008-06-21  Martin Nordholts  <martinn svn gnome org>

	* app/tools/gimpfreeselecttool.c
	(gimp_free_select_tool_update_motion): When applying angle
	constraints on the first segment vertex, base on the last segment
	vertex rather than not applying any constraint at all.


Modified:
   trunk/ChangeLog
   trunk/app/tools/gimpfreeselecttool.c

Modified: trunk/app/tools/gimpfreeselecttool.c
==============================================================================
--- trunk/app/tools/gimpfreeselecttool.c	(original)
+++ trunk/app/tools/gimpfreeselecttool.c	Sat Jun 21 09:39:49 2008
@@ -1029,17 +1029,30 @@
     {
       priv->polygon_modified = TRUE;
 
-      if (priv->constrain_angle           &&
-          priv->grabbed_segment_index > 0 &&
-          priv->n_points              > 0 )
+      if (priv->constrain_angle &&
+          priv->n_segment_indices > 1 )
         {
           gdouble start_point_x;
           gdouble start_point_y;
+          gint    segment_index;
+
+          /* Base constraints on the last segment vertex if we move
+           * the first one, otherwise base on the previous segment
+           * vertex
+           */
+          if (priv->grabbed_segment_index == 0)
+            {
+              segment_index = priv->n_segment_indices - 1;
+            }
+          else
+            {
+              segment_index = priv->grabbed_segment_index - 1;
+            }
 
           gimp_free_select_tool_get_segment_point (fst,
                                                    &start_point_x,
                                                    &start_point_y,
-                                                   priv->grabbed_segment_index - 1);
+                                                   segment_index);
               
           gimp_tool_motion_constrain (start_point_x,
                                       start_point_y,