[gnome-color-manager] Save the internal panel brightness in the ICC profile

[Richard Hughes <rhughes src gnome org>]

commit a0b5278b4f108101a9949d2073f214ae8ba725ba
Author: Richard Hughes <richard hughsie com>
Date:   Sat Jan 28 21:55:15 2012 +0000

    Save the internal panel brightness in the ICC profile

 src/gcm-calibrate-main.c |   12 ++++++++++++
 src/gcm-calibrate.c      |   14 +++++++++++++-
 src/gcm-calibrate.h      |    1 +
 src/gcm-utils.h          |    3 +++
 4 files changed, 29 insertions(+), 1 deletions(-)
---
diff --git a/src/gcm-calibrate-main.c b/src/gcm-calibrate-main.c
index 59f5493..5520ea0 100644
--- a/src/gcm-calibrate-main.c
+++ b/src/gcm-calibrate-main.c
@@ -280,7 +280,9 @@ gcm_calib_set_extra_metadata (GcmCalibratePriv *calib,
 	cmsHPROFILE lcms_profile;
 	gboolean ret = TRUE;
 	gchar *data = NULL;
+	gchar *screen_brightness_str = NULL;
 	gsize len;
+	guint percentage;
 
 	/* parse */
 	ret = g_file_get_contents (filename, &data, &len, error);
@@ -315,6 +317,15 @@ gcm_calib_set_extra_metadata (GcmCalibratePriv *calib,
 			       CD_PROFILE_METADATA_MAPPING_DEVICE_ID,
 			       cd_device_get_id (calib->device));
 
+	/* add the calibration brightness if an internal panel */
+	percentage = gcm_calibrate_get_screen_brightness (calib->calibrate);
+	if (percentage > 0) {
+		screen_brightness_str = g_strdup_printf ("%i", percentage);
+		_cmsDictAddEntryAscii (dict,
+				       CD_PROFILE_METADATA_SCREEN_BRIGHTNESS,
+				       screen_brightness_str);
+	}
+
 	/* just write dict */
 	ret = cmsWriteTag (lcms_profile, cmsSigMetaTag, dict);
 	if (!ret) {
@@ -335,6 +346,7 @@ gcm_calib_set_extra_metadata (GcmCalibratePriv *calib,
 	cmsSaveProfileToFile (lcms_profile, filename);
 	ret = TRUE;
 out:
+	g_free (screen_brightness_str);
 	g_free (data);
 	if (dict != NULL)
 		cmsDictFree (dict);
diff --git a/src/gcm-calibrate.c b/src/gcm-calibrate.c
index e028485..b15730c 100644
--- a/src/gcm-calibrate.c
+++ b/src/gcm-calibrate.c
@@ -68,6 +68,7 @@ struct _GcmCalibratePrivate
 	gchar				*device;
 	gchar				*working_path;
 	guint				 old_brightness;
+	guint				 new_brightness;
 	guint				 target_whitepoint;
 	GtkWidget			*content_widget;
 	GtkWindow			*sample_window;
@@ -194,6 +195,15 @@ gcm_calibrate_get_basename (GcmCalibrate *calibrate)
 }
 
 /**
+ * gcm_calibrate_get_screen_brightness:
+ **/
+guint
+gcm_calibrate_get_screen_brightness (GcmCalibrate *calibrate)
+{
+	return calibrate->priv->new_brightness;
+}
+
+/**
  * gcm_calibrate_set_basename:
  **/
 static void
@@ -1489,8 +1499,10 @@ gcm_calibrate_set_brightness (GcmCalibrate *calibrate, CdDevice *device)
 			   error->message);
 		g_clear_error (&error);
 	}
+	/* FIXME: allow the user to set this */
+	calibrate->priv->new_brightness = 100;
 	ret = gcm_brightness_set_percentage (calibrate->priv->brightness,
-					     100,
+					     calibrate->priv->new_brightness,
 					     &error);
 	if (!ret) {
 		g_warning ("failed to set brightness: %s",
diff --git a/src/gcm-calibrate.h b/src/gcm-calibrate.h
index fb3ab7a..699a51b 100644
--- a/src/gcm-calibrate.h
+++ b/src/gcm-calibrate.h
@@ -164,6 +164,7 @@ gboolean	 gcm_calibrate_set_from_exif		(GcmCalibrate	*calibrate,
 const gchar	*gcm_calibrate_get_filename_result	(GcmCalibrate	*calibrate);
 const gchar	*gcm_calibrate_get_working_path		(GcmCalibrate	*calibrate);
 const gchar	*gcm_calibrate_get_basename		(GcmCalibrate	*calibrate);
+guint		 gcm_calibrate_get_screen_brightness	(GcmCalibrate	*calibrate);
 
 /* for gcm-calibrate-helper */
 gboolean	 gcm_calibrate_display_characterize	(GcmCalibrate	*calibrate,
diff --git a/src/gcm-utils.h b/src/gcm-utils.h
index 2693470..d017342 100644
--- a/src/gcm-utils.h
+++ b/src/gcm-utils.h
@@ -53,6 +53,9 @@
 #ifndef CD_PROFILE_METADATA_MAPPING_DEVICE_ID
 #define CD_PROFILE_METADATA_MAPPING_DEVICE_ID		"MAPPING_device_id"
 #endif
+#ifndef CD_PROFILE_METADATA_SCREEN_BRIGHTNESS
+#define CD_PROFILE_METADATA_SCREEN_BRIGHTNESS		"SCREEN_brightness"
+#endif
 
 /* DISTROS: you will have to patch if you have changed the name of these packages */
 #define GCM_PREFS_PACKAGE_NAME_SHARED_COLOR_TARGETS	"shared-color-targets"