[gimp] app: add gimp_draw_tool_add_path() and use it in the vector tool

[Michael Natterer <mitch src gnome org>]

commit 54a65fa9c34a00e52c757f46643490cbdd7256f4
Author: Michael Natterer <mitch gimp org>
Date:   Thu Oct 7 14:10:57 2010 +0200

    app: add gimp_draw_tool_add_path() and use it in the vector tool
    
    Also clean up gimp_vector_tool_draw() a bit.

 app/tools/gimpdrawtool.c   |   19 +++++++++++++++++++
 app/tools/gimpdrawtool.h   |    2 ++
 app/tools/gimpvectortool.c |   42 +++++++++++++++---------------------------
 3 files changed, 36 insertions(+), 27 deletions(-)
---
diff --git a/app/tools/gimpdrawtool.c b/app/tools/gimpdrawtool.c
index 9e9db00..433f37c 100644
--- a/app/tools/gimpdrawtool.c
+++ b/app/tools/gimpdrawtool.c
@@ -40,6 +40,7 @@
 #include "display/gimpcanvasguide.h"
 #include "display/gimpcanvashandle.h"
 #include "display/gimpcanvasline.h"
+#include "display/gimpcanvaspath.h"
 #include "display/gimpcanvaspen.h"
 #include "display/gimpcanvaspolygon.h"
 #include "display/gimpcanvasrectangle.h"
@@ -707,6 +708,24 @@ gimp_draw_tool_add_strokes (GimpDrawTool     *draw_tool,
 }
 
 GimpCanvasItem *
+gimp_draw_tool_add_path (GimpDrawTool         *draw_tool,
+                         const GimpBezierDesc *desc)
+{
+  GimpCanvasItem *item;
+
+  g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
+  g_return_val_if_fail (desc != NULL, NULL);
+
+  item = gimp_canvas_path_new (gimp_display_get_shell (draw_tool->display),
+                               desc, FALSE, FALSE);
+
+  gimp_draw_tool_add_item (draw_tool, item);
+  g_object_unref (item);
+
+  return item;
+}
+
+GimpCanvasItem *
 gimp_draw_tool_add_pen (GimpDrawTool      *draw_tool,
                         const GimpVector2 *points,
                         gint               n_points,
diff --git a/app/tools/gimpdrawtool.h b/app/tools/gimpdrawtool.h
index 22327e4..caf6102 100644
--- a/app/tools/gimpdrawtool.h
+++ b/app/tools/gimpdrawtool.h
@@ -150,6 +150,8 @@ GimpCanvasItem * gimp_draw_tool_add_strokes          (GimpDrawTool     *draw_too
                                                       const GimpCoords *points,
                                                       gint              n_points,
                                                       gboolean          filled);
+GimpCanvasItem * gimp_draw_tool_add_path             (GimpDrawTool     *draw_tool,
+                                                      const GimpBezierDesc *desc);
 
 GimpCanvasItem * gimp_draw_tool_add_pen              (GimpDrawTool     *draw_tool,
                                                       const GimpVector2 *points,
diff --git a/app/tools/gimpvectortool.c b/app/tools/gimpvectortool.c
index e372b71..e8e2640 100644
--- a/app/tools/gimpvectortool.c
+++ b/app/tools/gimpvectortool.c
@@ -1400,45 +1400,33 @@ gimp_vector_tool_cursor_update (GimpTool         *tool,
 static void
 gimp_vector_tool_draw (GimpDrawTool *draw_tool)
 {
-  GimpVectorTool  *vector_tool = GIMP_VECTOR_TOOL (draw_tool);
-  GimpAnchor      *cur_anchor  = NULL;
-  GimpStroke      *cur_stroke  = NULL;
-  GimpVectors     *vectors;
-  GArray          *coords;
-  gboolean         closed;
-  GList           *draw_anchors;
-  GList           *list;
+  GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (draw_tool);
+  GimpStroke     *cur_stroke;
+  GimpVectors    *vectors;
 
   vectors = vector_tool->vectors;
 
   if (!vectors)
     return;
 
-  while ((cur_stroke = gimp_vectors_stroke_get_next (vectors, cur_stroke)))
-    {
-      /* the stroke itself */
-      if (! gimp_item_get_visible (GIMP_ITEM (vectors)))
-        {
-          coords = gimp_stroke_interpolate (cur_stroke, 1.0, &closed);
+  /* the stroke itself */
+  if (! gimp_item_get_visible (GIMP_ITEM (vectors)))
+    gimp_draw_tool_add_path (draw_tool, gimp_vectors_get_bezier (vectors));
 
-          if (coords)
-            {
-              if (coords->len)
-                gimp_draw_tool_add_strokes (draw_tool,
-                                            &g_array_index (coords,
-                                                            GimpCoords, 0),
-                                            coords->len, FALSE);
-
-              g_array_free (coords, TRUE);
-            }
-        }
+  for (cur_stroke = gimp_vectors_stroke_get_next (vectors, NULL);
+       cur_stroke;
+       cur_stroke = gimp_vectors_stroke_get_next (vectors, cur_stroke))
+    {
+      GArray *coords;
+      GList  *draw_anchors;
+      GList  *list;
 
       /* anchor handles */
       draw_anchors = gimp_stroke_get_draw_anchors (cur_stroke);
 
       for (list = draw_anchors; list; list = g_list_next (list))
         {
-          cur_anchor = GIMP_ANCHOR (list->data);
+          GimpAnchor *cur_anchor = GIMP_ANCHOR (list->data);
 
           if (cur_anchor->type == GIMP_ANCHOR_ANCHOR)
             {
@@ -1490,7 +1478,7 @@ gimp_vector_tool_draw (GimpDrawTool *draw_tool)
 
           for (list = draw_anchors; list; list = g_list_next (list))
             {
-              cur_anchor = GIMP_ANCHOR (list->data);
+              GimpAnchor *cur_anchor = GIMP_ANCHOR (list->data);
 
               gimp_draw_tool_add_handle (draw_tool,
                                          GIMP_HANDLE_SQUARE,