[gimp] app: add gimp_image_get_builtin_color_profile()

[Michael Natterer <mitch src gnome org>]

commit cac04aed78b7ea1eccba5a1eec3cb564c568bf6b
Author: Michael Natterer <mitch gimp org>
Date:   Sun Aug 2 23:24:12 2015 +0200

    app: add gimp_image_get_builtin_color_profile()
    
    which returns a color profile for the image as if nothing was
    configured, currently either the builtin srgb or linear_rgb profile.

 app/core/gimpimage-color-profile.c |   23 ++++++++++++++++-------
 app/core/gimpimage-color-profile.h |    3 +++
 app/core/gimpimage.c               |    9 +--------
 3 files changed, 20 insertions(+), 15 deletions(-)
---
diff --git a/app/core/gimpimage-color-profile.c b/app/core/gimpimage-color-profile.c
index c3fce02..c5b9aac 100644
--- a/app/core/gimpimage-color-profile.c
+++ b/app/core/gimpimage-color-profile.c
@@ -281,6 +281,21 @@ gimp_image_set_color_profile (GimpImage         *image,
   return gimp_image_set_icc_profile (image, data, length, error);
 }
 
+GimpColorProfile *
+gimp_image_get_builtin_color_profile (GimpImage *image)
+{
+  const Babl *format;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+  format = gimp_image_get_layer_format (image, FALSE);
+
+  if (gimp_babl_format_get_linear (format))
+    return gimp_color_profile_new_linear_rgb ();
+  else
+    return gimp_color_profile_new_srgb ();
+}
+
 gboolean
 gimp_image_convert_color_profile (GimpImage                *image,
                                   GimpColorProfile         *dest_profile,
@@ -291,7 +306,6 @@ gimp_image_convert_color_profile (GimpImage                *image,
 {
   GimpColorProfile *src_profile;
   GimpColorProfile *builtin_profile;
-  const Babl       *layer_format;
 
   g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
   g_return_val_if_fail (dest_profile != NULL, FALSE);
@@ -318,12 +332,7 @@ 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 ();
+  builtin_profile = gimp_image_get_builtin_color_profile (image);
 
   if (gimp_color_profile_is_equal (dest_profile, builtin_profile))
     {
diff --git a/app/core/gimpimage-color-profile.h b/app/core/gimpimage-color-profile.h
index 36be7f8..3ead665 100644
--- a/app/core/gimpimage-color-profile.h
+++ b/app/core/gimpimage-color-profile.h
@@ -51,6 +51,9 @@ gboolean             gimp_image_set_color_profile      (GimpImage           *ima
                                                         GimpColorProfile    *profile,
                                                         GError             **error);
 
+GimpColorProfile   * gimp_image_get_builtin_color_profile
+                                                       (GimpImage           *image);
+
 gboolean             gimp_image_convert_color_profile  (GimpImage                *image,
                                                         GimpColorProfile         *dest_profile,
                                                         GimpColorRenderingIntent  intent,
diff --git a/app/core/gimpimage.c b/app/core/gimpimage.c
index ca31876..59ff32e 100644
--- a/app/core/gimpimage.c
+++ b/app/core/gimpimage.c
@@ -1385,14 +1385,7 @@ gimp_image_color_managed_get_color_profile (GimpColorManaged *managed)
     }
 
   if (! profile)
-    {
-      const Babl *format = gimp_image_get_layer_format (image, FALSE);
-
-      if (gimp_babl_format_get_linear (format))
-        profile = gimp_color_profile_new_linear_rgb ();
-      else
-        profile = gimp_color_profile_new_srgb ();
-    }
+    profile = gimp_image_get_builtin_color_profile (image);
 
   return profile;
 }