[gimp/soc-2011-warp] gimpwarptool: move the test code to the gegl op

[Michael Murà <mmure src gnome org>]

commit fa723ce5c3f54da255bf3709d10df75d8ea8eceb
Author: Michael Murà <batolettre gmail com>
Date:   Tue Jun 14 21:59:53 2011 +0200

    gimpwarptool: move the test code to the gegl op

 app/gegl/gimpoperationwarp.c |   51 +++++++++++++++++++++++++++++++++-------
 app/tools/gimpwarptool.c     |   52 +-----------------------------------------
 2 files changed, 43 insertions(+), 60 deletions(-)
---
diff --git a/app/gegl/gimpoperationwarp.c b/app/gegl/gimpoperationwarp.c
index ed8315c..dc8a917 100644
--- a/app/gegl/gimpoperationwarp.c
+++ b/app/gegl/gimpoperationwarp.c
@@ -180,18 +180,51 @@ gimp_operation_warp_process (GeglOperation       *operation,
                              GeglBuffer          *out_buf,
                              const GeglRectangle *roi)
 {
-  GimpOperationWarp *ow    = GIMP_OPERATION_WARP (operation);
+  GimpOperationWarp   *ow    = GIMP_OPERATION_WARP (operation);
+  GeglBuffer          *buffer;
+  GeglBufferIterator  *it;
+  Babl                *format;
+  gint                 x, y;
+  GeglRectangle        area = {100,
+                               100,
+                               200,
+                               200};
 
-/*
-  if (in_buf)
-    {
-      out_buf = gegl_buffer_dup (in_buf);
-    }
-  else
+  format = babl_format_n (babl_type ("float"), 2);
+
+  buffer = gegl_buffer_dup (in_buf);
+
+  it = gegl_buffer_iterator_new (buffer, &area, format, GEGL_BUFFER_READWRITE);
+
+  while (gegl_buffer_iterator_next (it))
     {
-      gegl_buffer_clear (out_buf, roi);
+      /* iterate inside the roi */
+      gint    n_pixels = it->length;
+      gfloat *coords   = it->data[0];
+
+      x = it->roi->x; /* initial x         */
+      y = it->roi->y; /* and y coordinates */
+
+      while (n_pixels--)
+        {
+          coords[0] += 2;
+          coords[1] += 2;
+
+          coords += 2;
+
+          /* update x and y coordinates */
+          x++;
+          if (x >= (it->roi->x + it->roi->width))
+            {
+              x = it->roi->x;
+              y++;
+            }
+        }
     }
-*/
+
+  gegl_buffer_copy (buffer, roi, out_buf, roi);
+  gegl_buffer_set_extent (out_buf, gegl_buffer_get_extent (in_buf));
+  gegl_buffer_destroy (buffer);
 
   return TRUE;
 }
diff --git a/app/tools/gimpwarptool.c b/app/tools/gimpwarptool.c
index cf9289a..12877ab 100644
--- a/app/tools/gimpwarptool.c
+++ b/app/tools/gimpwarptool.c
@@ -104,11 +104,6 @@ static void       gimp_warp_tool_image_map_flush    (GimpImageMap          *imag
                                                      GimpTool              *tool);
 static void       gimp_warp_tool_image_map_update   (GimpWarpTool          *wt);
 static void       gimp_warp_tool_add_op             (GimpWarpTool          *wt);
-#if 0
-static void       gimp_warp_tool_act_on_coords      (GimpWarpTool          *wt,
-                                                     gint                   x,
-                                                     gint                   y);
-#endif
 
 G_DEFINE_TYPE (GimpWarpTool, gimp_warp_tool, GIMP_TYPE_DRAW_TOOL)
 
@@ -259,6 +254,7 @@ gimp_warp_tool_start (GimpWarpTool *wt,
   bbox.width  = ABS (x1 - x2);
   bbox.height = ABS (y1 - y2);
 
+  printf ("Initialize coordinate buffer (%d,%d) at %d,%d\n", bbox.width, bbox.height, bbox.x, bbox.y);
   wt->coords_buffer = gegl_buffer_new (&bbox, format);
 
   gimp_warp_tool_create_image_map (wt, drawable);
@@ -563,50 +559,4 @@ gimp_warp_tool_add_op (GimpWarpTool *wt)
 
   gegl_node_connect_to (last_op, "output", new_op, "input");
   gegl_node_connect_to (new_op, "output", wt->render_node, "aux");
-
-  g_object_unref (last_op);
-}
-
-#if 0
-static void
-gimp_warp_tool_act_on_coords (GimpWarpTool *wt,
-                              gint x,
-                              gint y)
-{
-  GeglBufferIterator  *it;
-  Babl                *format;
-  GeglRectangle        area = {x - 30,
-                               y - 30,
-                               60,
-                               60};
-
-  format = babl_format_n (babl_type ("float"), 2);
-  it = gegl_buffer_iterator_new (wt->coords_buffer, &area, format, GEGL_BUFFER_READWRITE);
-
-  while (gegl_buffer_iterator_next (it))
-    {
-      /* iterate inside the roi */
-      gint    n_pixels = it->length;
-      gfloat *coords   = it->data[0];
-
-      x = it->roi->x; /* initial x         */
-      y = it->roi->y; /* and y coordinates */
-
-      while (n_pixels--)
-        {
-          coords[0] += 2;
-          coords[1] += 2;
-
-          coords += 2;
-
-          /* update x and y coordinates */
-          x++;
-          if (x >= (it->roi->x + it->roi->width))
-            {
-              x = it->roi->x;
-              y++;
-            }
-        }
-    }
 }
-#endif