[gimp] app: set the image's color profile in gimp_image_convert_color_profile()

[Michael Natterer <mitch src gnome org>]

commit 0ceed29ce86764292b18c2b750805f69ec908f5c
Author: Michael Natterer <mitch gimp org>
Date:   Wed Jun 10 02:04:14 2015 +0200

    app: set the image's color profile in gimp_image_convert_color_profile()
    
    but never set it if the image got converted to a built-in profile.
    Also remove the "icc-profile-name" parasite.

 app/core/gimpimage-profile.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/app/core/gimpimage-profile.c b/app/core/gimpimage-profile.c
index 9002ae5..95dca1d 100644
--- a/app/core/gimpimage-profile.c
+++ b/app/core/gimpimage-profile.c
@@ -35,6 +35,8 @@
 
 #include "config/gimpcoreconfig.h"
 
+#include "gegl/gimp-babl.h"
+
 #include "gimp.h"
 #include "gimpdrawable.h"
 #include "gimperror.h"
@@ -235,6 +237,8 @@ gimp_image_convert_color_profile (GimpImage                *image,
                                   GError                  **error)
 {
   GimpColorProfile  src_profile;
+  GimpColorProfile  builtin_profile;
+  const Babl       *layer_format;
   gchar            *src_label;
   gchar            *dest_label;
 
@@ -268,6 +272,28 @@ gimp_image_convert_color_profile (GimpImage                *image,
   gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CONVERT,
                                _("Color profile conversion"));
 
+  layer_format = gimp_image_get_layer_format (image, FALSE);
+
+  if (gimp_babl_format_get_linear (layer_format))
+    builtin_profile = gimp_color_profile_new_linear_rgb ();
+  else
+    builtin_profile = gimp_color_profile_new_srgb ();
+
+  if (gimp_color_profile_is_equal (dest_profile, builtin_profile))
+    {
+      /*  don't tag the image with the built-in profile  */
+      gimp_image_set_color_profile (image, NULL, NULL);
+    }
+  else
+    {
+      gimp_image_set_color_profile (image, dest_profile, NULL);
+    }
+
+  gimp_color_profile_close (builtin_profile);
+
+  /*  omg...  */
+  gimp_image_parasite_detach (image, "icc-profile-name");
+
   switch (gimp_image_get_base_type (image))
     {
     case GIMP_RGB: