[gimp] pdb: make channel-mixer compat function use mono-mixer for monochrome mode

[Alexia Death <alexiade src gnome org>]

commit 6f582ba527b9fcb50230797ae9991c00fdeb120e
Author: Alexia Death <alexiadeath gmail com>
Date:   Thu Dec 11 00:29:58 2014 +0200

    pdb: make channel-mixer compat function use mono-mixer for monochrome mode
    
    This is preparation of removing monochrome mode from the channel
    mixer op, as there is already mono mixer doing the exact same thing

 app/pdb/plug-in-compat-cmds.c       |   41 +++++++++++++++++++++++------------
 tools/pdbgen/pdb/plug_in_compat.pdb |   41 +++++++++++++++++++++++------------
 2 files changed, 54 insertions(+), 28 deletions(-)
---
diff --git a/app/pdb/plug-in-compat-cmds.c b/app/pdb/plug-in-compat-cmds.c
index 454722f..3fd60be 100644
--- a/app/pdb/plug-in-compat-cmds.c
+++ b/app/pdb/plug-in-compat-cmds.c
@@ -635,20 +635,33 @@ plug_in_colors_channel_mixer_invoker (GimpProcedure         *procedure,
                                      GIMP_PDB_ITEM_CONTENT, error) &&
           gimp_pdb_item_is_not_group (GIMP_ITEM (drawable), error))
         {
-          GeglNode *node =
-            gegl_node_new_child (NULL,
-                                 "operation", "gegl:channel-mixer",
-                                 "monochrome", (gboolean) monochrome,
-                                 "rr-gain", (gdouble) rr_gain,
-                                 "rg-gain", (gdouble) rg_gain,
-                                 "rb-gain", (gdouble) rb_gain,
-                                 "gr-gain", (gdouble) gr_gain,
-                                 "gg-gain", (gdouble) gg_gain,
-                                 "gb-gain", (gdouble) gb_gain,
-                                 "br-gain", (gdouble) br_gain,
-                                 "bg-gain", (gdouble) bg_gain,
-                                 "bb-gain", (gdouble) bb_gain,
-                                 NULL);
+           GeglNode *node = NULL;
+           if ((gboolean) monochrome)
+             {
+                node =
+                   gegl_node_new_child (NULL,
+                                        "operation", "gegl:mono-mixer",
+                                        "red", (gdouble) rr_gain,
+                                        "green", (gdouble) rg_gain,
+                                        "blue", (gdouble) rb_gain,
+                                        NULL);
+              }
+            else
+              {
+                 node =
+                   gegl_node_new_child (NULL,
+                                        "operation", "gegl:channel-mixer",
+                                        "rr-gain", (gdouble) rr_gain,
+                                        "rg-gain", (gdouble) rg_gain,
+                                        "rb-gain", (gdouble) rb_gain,
+                                        "gr-gain", (gdouble) gr_gain,
+                                        "gg-gain", (gdouble) gg_gain,
+                                        "gb-gain", (gdouble) gb_gain,
+                                        "br-gain", (gdouble) br_gain,
+                                        "bg-gain", (gdouble) bg_gain,
+                                        "bb-gain", (gdouble) bb_gain,
+                                         NULL);
+               }
 
           gimp_drawable_apply_operation (drawable, progress,
                                          C_("undo-type", "Channel Mixer"),
diff --git a/tools/pdbgen/pdb/plug_in_compat.pdb b/tools/pdbgen/pdb/plug_in_compat.pdb
index c5bf2cb..9ac21ed 100644
--- a/tools/pdbgen/pdb/plug_in_compat.pdb
+++ b/tools/pdbgen/pdb/plug_in_compat.pdb
@@ -513,20 +513,33 @@ HELP
                                  GIMP_PDB_ITEM_CONTENT, error) &&
       gimp_pdb_item_is_not_group (GIMP_ITEM (drawable), error))
     {
-      GeglNode *node =
-        gegl_node_new_child (NULL,
-                             "operation", "gegl:channel-mixer",
-                            "monochrome", (gboolean) monochrome,
-                             "rr-gain", (gdouble) rr_gain,
-                             "rg-gain", (gdouble) rg_gain,
-                             "rb-gain", (gdouble) rb_gain,
-                             "gr-gain", (gdouble) gr_gain,
-                             "gg-gain", (gdouble) gg_gain,
-                             "gb-gain", (gdouble) gb_gain,
-                             "br-gain", (gdouble) br_gain,
-                             "bg-gain", (gdouble) bg_gain,
-                             "bb-gain", (gdouble) bb_gain,
-                             NULL);
+       GeglNode *node = NULL;
+       if ((gboolean) monochrome)
+         {
+            node =
+               gegl_node_new_child (NULL,
+                                    "operation", "gegl:mono-mixer",
+                                    "red", (gdouble) rr_gain,
+                                    "green", (gdouble) rg_gain,
+                                    "blue", (gdouble) rb_gain,
+                                    NULL);
+          }
+        else
+          {
+             node =
+               gegl_node_new_child (NULL,
+                                    "operation", "gegl:channel-mixer",
+                                    "rr-gain", (gdouble) rr_gain,
+                                    "rg-gain", (gdouble) rg_gain,
+                                    "rb-gain", (gdouble) rb_gain,
+                                    "gr-gain", (gdouble) gr_gain,
+                                    "gg-gain", (gdouble) gg_gain,
+                                    "gb-gain", (gdouble) gb_gain,
+                                    "br-gain", (gdouble) br_gain,
+                                    "bg-gain", (gdouble) bg_gain,
+                                    "bb-gain", (gdouble) bb_gain,
+                                     NULL);
+           }
 
       gimp_drawable_apply_operation (drawable, progress,
                                      C_("undo-type", "Channel Mixer"),