[gimp] Move variables to local scopes and some minor cleanup

[Michael Natterer <mitch src gnome org>]

commit 01bafc6ea8f1354fef32a1a0f1656de3a6b67a56
Author: Michael Natterer <mitch gimp org>
Date:   Tue Sep 22 21:41:24 2009 +0200

    Move variables to local scopes and some minor cleanup

 app/core/gimpimage-merge.c |   51 ++++++++++++++++++++++---------------------
 1 files changed, 26 insertions(+), 25 deletions(-)
---
diff --git a/app/core/gimpimage-merge.c b/app/core/gimpimage-merge.c
index 3a79541..d07d2a6 100644
--- a/app/core/gimpimage-merge.c
+++ b/app/core/gimpimage-merge.c
@@ -299,13 +299,9 @@ GimpVectors *
 gimp_image_merge_visible_vectors (GimpImage  *image,
                                   GError    **error)
 {
-  GList       *list           = NULL;
-  GSList      *merge_list     = NULL;
-  GSList      *cur_item       = NULL;
-  GimpVectors *vectors        = NULL;
-  GimpVectors *target_vectors = NULL;
-  gchar       *name           = NULL;
-  gint         pos            = 0;
+  GList       *list;
+  GList       *merge_list = NULL;
+  GimpVectors *vectors;
 
   g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
@@ -317,38 +313,44 @@ gimp_image_merge_visible_vectors (GimpImage  *image,
       vectors = list->data;
 
       if (gimp_item_get_visible (GIMP_ITEM (vectors)))
-        merge_list = g_slist_append (merge_list, vectors);
+        merge_list = g_list_prepend (merge_list, vectors);
     }
 
+  merge_list = g_list_reverse (merge_list);
+
   if (merge_list && merge_list->next)
     {
+      GimpVectors *target_vectors;
+      gchar       *name;
+      gint         pos;
+
       gimp_set_busy (image->gimp);
 
       gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_VECTORS_MERGE,
                                    _("Merge Visible Paths"));
 
-      cur_item = merge_list;
-      vectors = GIMP_VECTORS (cur_item->data);
+      vectors = GIMP_VECTORS (merge_list->data);
 
       name = g_strdup (gimp_object_get_name (vectors));
+      pos = gimp_item_get_index (GIMP_ITEM (vectors));
+
       target_vectors = GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
                                                           GIMP_TYPE_VECTORS));
-      pos = gimp_item_get_index (GIMP_ITEM (vectors));
       gimp_image_remove_vectors (image, vectors, TRUE, NULL);
-      cur_item = cur_item->next;
 
-      while (cur_item)
+      for (list = g_list_next (merge_list);
+           list;
+           list = g_list_next (list))
         {
-          vectors = GIMP_VECTORS (cur_item->data);
+          vectors = list->data;
+
           gimp_vectors_add_strokes (vectors, target_vectors);
           gimp_image_remove_vectors (image, vectors, TRUE, NULL);
-
-          cur_item = g_slist_next (cur_item);
         }
 
       gimp_object_take_name (GIMP_OBJECT (target_vectors), name);
 
-      g_slist_free (merge_list);
+      g_list_free (merge_list);
 
       /* FIXME tree */
       gimp_image_add_vectors (image, target_vectors, NULL, pos, TRUE);
@@ -395,14 +397,10 @@ gimp_image_merge_layers (GimpImage     *image,
   GimpLayer       *merge_layer;
   GimpLayer       *layer;
   GimpLayer       *bottom_layer;
-  GimpImageType    type;
   gint             count;
   gint             x1, y1, x2, y2;
-  gint             x3, y3, x4, y4;
-  CombinationMode  operation;
-  gint             position;
-  gboolean         active[MAX_CHANNELS] = { TRUE, TRUE, TRUE, TRUE };
   gint             off_x, off_y;
+  gint             position;
   gchar           *name;
   GimpLayer       *parent;
 
@@ -410,7 +408,6 @@ gimp_image_merge_layers (GimpImage     *image,
   g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
 
   layer        = NULL;
-  type         = GIMP_RGBA_IMAGE;
   x1 = y1      = 0;
   x2 = y2      = 0;
   bottom_layer = NULL;
@@ -496,7 +493,8 @@ gimp_image_merge_layers (GimpImage     *image,
   if (merge_type == GIMP_FLATTEN_IMAGE ||
       gimp_drawable_type (GIMP_DRAWABLE (layer)) == GIMP_INDEXED_IMAGE)
     {
-      guchar bg[4] = { 0, 0, 0, 0 };
+      GimpImageType type;
+      guchar        bg[4] = { 0, 0, 0, 0 };
 
       type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (image));
 
@@ -578,7 +576,10 @@ gimp_image_merge_layers (GimpImage     *image,
 
   while (reverse_list)
     {
-      GimpLayerModeEffects  mode;
+      CombinationMode      operation;
+      GimpLayerModeEffects mode;
+      gint                 x3, y3, x4, y4;
+      gboolean             active[MAX_CHANNELS] = { TRUE, TRUE, TRUE, TRUE };
 
       layer = reverse_list->data;