[gimp] app: add gimp_image_get_profile() which returns a cmsHPROFILE

[Michael Natterer <mitch src gnome org>]

commit 89e0c04d1319d69b8baa43d113cb4cc67b74d204
Author: Michael Natterer <mitch gimp org>
Date:   Mon Mar 17 02:28:36 2014 +0100

    app: add gimp_image_get_profile() which returns a cmsHPROFILE

 app/core/gimpimage-profile.c       |  129 ++++++++++++++++++++++++++++++++++++
 app/core/gimpimage-profile.h       |   34 ++++++++++
 app/widgets/gimpimageprofileview.c |   43 ++----------
 po/POTFILES.in                     |    3 +-
 4 files changed, 172 insertions(+), 37 deletions(-)
---
diff --git a/app/core/gimpimage-profile.c b/app/core/gimpimage-profile.c
new file mode 100644
index 0000000..883fec8
--- /dev/null
+++ b/app/core/gimpimage-profile.c
@@ -0,0 +1,129 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>  /* lcms.h uses the "inline" keyword */
+
+#include <lcms2.h>
+
+#include <cairo.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpbase/gimpbase.h"
+
+#include "core-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "gimperror.h"
+#include "gimpimage.h"
+#include "gimpimage-profile.h"
+
+#include "gimp-intl.h"
+
+
+/* public functions */
+
+const GimpParasite *
+gimp_image_get_icc_profile (GimpImage *image)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+  return gimp_image_parasite_find (image, GIMP_ICC_PROFILE_PARASITE_NAME);
+}
+
+void
+gimp_image_set_icc_profile (GimpImage          *image,
+                            const GimpParasite *icc_profile)
+{
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+
+  if (icc_profile)
+    {
+      g_return_if_fail (strcmp (gimp_parasite_name (icc_profile),
+                                GIMP_ICC_PROFILE_PARASITE_NAME) == 0);
+      g_return_if_fail (gimp_parasite_flags (icc_profile) ==
+                        (GIMP_PARASITE_PERSISTENT |
+                         GIMP_PARASITE_UNDOABLE));
+
+      gimp_image_parasite_attach (image, icc_profile);
+    }
+  else
+    {
+      gimp_image_parasite_detach (image, GIMP_ICC_PROFILE_PARASITE_NAME);
+    }
+}
+
+GimpColorProfile
+gimp_image_get_profile (GimpImage  *image,
+                        guint8     *md5_digest,
+                        GError    **error)
+{
+  GimpColorConfig    *config;
+  const GimpParasite *parasite;
+  GimpColorProfile   *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  config = image->gimp->config->color_management;
+
+  parasite = gimp_image_get_icc_profile (image);
+
+  if (parasite)
+    {
+      profile = gimp_lcms_profile_open_from_data (gimp_parasite_data (parasite),
+                                                  gimp_parasite_data_size (parasite),
+                                                  md5_digest, error);
+
+      if (! profile)
+        g_prefix_error (error,
+                        _("Error parsing data attached as 'icc-profile': "));
+
+      if (profile && ! gimp_lcms_profile_is_rgb (profile))
+        {
+          g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
+                               _("Color profile attached as 'icc-profile' is "
+                                 "not for RGB color space"));
+          cmsCloseProfile (profile);
+          profile = NULL;
+        }
+    }
+  else if (config->rgb_profile)
+    {
+      profile = gimp_lcms_profile_open_from_file (config->rgb_profile,
+                                                  md5_digest, error);
+
+      if (profile && ! gimp_lcms_profile_is_rgb (profile))
+        {
+          g_set_error (error, GIMP_ERROR, GIMP_FAILED,
+                       _("Color profile '%s' is not for RGB color space"),
+                       gimp_filename_to_utf8 (config->rgb_profile));
+          cmsCloseProfile (profile);
+          profile = NULL;
+        }
+    }
+
+  return profile;
+}
diff --git a/app/core/gimpimage-profile.h b/app/core/gimpimage-profile.h
new file mode 100644
index 0000000..8d653e6
--- /dev/null
+++ b/app/core/gimpimage-profile.h
@@ -0,0 +1,34 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_IMAGE_PROFILE_H__
+#define __GIMP_IMAGE_PROFILE_H__
+
+
+#define GIMP_ICC_PROFILE_PARASITE_NAME "icc-profile"
+
+
+const GimpParasite * gimp_image_get_icc_profile (GimpImage          *image);
+void                 gimp_image_set_icc_profile (GimpImage          *image,
+                                                 const GimpParasite *icc_profile);
+
+GimpColorProfile     gimp_image_get_profile     (GimpImage          *image,
+                                                 guint8             *md5_digest,
+                                                 GError            **error);
+
+
+#endif /* __GIMP_IMAGE_PROFILE_H__ */
diff --git a/app/widgets/gimpimageprofileview.c b/app/widgets/gimpimageprofileview.c
index 9c0e735..68a7a37 100644
--- a/app/widgets/gimpimageprofileview.c
+++ b/app/widgets/gimpimageprofileview.c
@@ -36,9 +36,6 @@
 
 #include "widgets-types.h"
 
-#include "config/gimpcoreconfig.h"
-
-#include "core/gimp.h"
 #include "core/gimpimage.h"
 #include "core/gimpimage-profile.h"
 
@@ -109,43 +106,17 @@ gimp_image_profile_view_update (GimpImageParasiteView *view)
 {
   GimpImageProfileView *profile_view = GIMP_IMAGE_PROFILE_VIEW (view);
   GimpImage            *image;
-  GimpColorConfig      *config;
-  const GimpParasite   *parasite;
-  GimpColorProfile     *profile = NULL;
-  GError               *error   = NULL;
-
-  image    = gimp_image_parasite_view_get_image (view);
-  parasite = gimp_image_parasite_view_get_parasite (view);
+  GimpColorProfile     *profile;
+  GError               *error = NULL;
 
-  config = image->gimp->config->color_management;
+  image = gimp_image_parasite_view_get_image (view);
 
-  if (parasite)
-    {
-      profile = gimp_lcms_profile_open_from_data (gimp_parasite_data (parasite),
-                                                  gimp_parasite_data_size (parasite),
-                                                  NULL, &error);
-      if (! profile)
-        {
-          g_message (_("Error parsing 'icc-profile': %s"), error->message);
-          g_clear_error (&error);
-        }
-    }
-  else if (config->rgb_profile)
-    {
-      profile = gimp_lcms_profile_open_from_file (config->rgb_profile,
-                                                  NULL, &error);
-      if (! profile)
-        {
-          g_message ("%s", error->message);
-          g_clear_error (&error);
-        }
-    }
+  profile = gimp_image_get_profile (image, NULL, &error);
 
-  if (profile && ! gimp_lcms_profile_is_rgb (profile))
+  if (! profile && error)
     {
-      g_message (_("Color profile is not for RGB color space (skipping)"));
-      cmsCloseProfile (profile);
-      profile = NULL;
+      g_message ("%s", error->message);
+      g_clear_error (&error);
     }
 
   if (! profile)
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 6051cf9..6e15e07 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -128,8 +128,8 @@ app/core/gimp-gradients.c
 app/core/gimpgrid.c
 app/core/gimpgrouplayer.c
 app/core/gimp-gui.c
-app/core/gimpimage-arrange.c
 app/core/gimpimage.c
+app/core/gimpimage-arrange.c
 app/core/gimpimage-colormap.c
 app/core/gimpimage-convert-precision.c
 app/core/gimpimage-convert-type.c
@@ -140,6 +140,7 @@ app/core/gimpimage-guides.c
 app/core/gimpimage-item-list.c
 app/core/gimpimage-merge.c
 app/core/gimpimage-new.c
+app/core/gimpimage-profile.c
 app/core/gimpimage-quick-mask.c
 app/core/gimpimage-resize.c
 app/core/gimpimage-sample-points.c