[gnome-color-manager] Add a small utility to dump the EDID -- not installed

[Richard Hughes <rhughes src gnome org>]

commit fc5e3009bf966ad1055a3293294662453b800c65
Author: Richard Hughes <richard hughsie com>
Date:   Fri Nov 27 09:40:23 2009 +0000

    Add a small utility to dump the EDID -- not installed

 src/.gitignore      |    2 +
 src/Makefile.am     |   24 ++++++++++-
 src/gcm-dump-edid.c |  109 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 132 insertions(+), 3 deletions(-)
---
diff --git a/src/.gitignore b/src/.gitignore
index ad9c47e..d8edad6 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1,10 +1,12 @@
 *.o
 *.a
+*.bin
 .deps
 gcm-apply
 gcm-import
 gcm-prefs
 gcm-inspect
 gcm-session
+gcm-dump-edid
 org.gnome.ColorManager.h
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 01e5400..a704ae5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -40,15 +40,33 @@ libgcmshared_a_SOURCES =				\
 libgcmshared_a_CFLAGS =					\
 	$(WARNINGFLAGS_C)
 
+noinst_PROGRAMS =					\
+	gcm-inspect					\
+	gcm-dump-edid
+
+gcm_dump_edid_SOURCES =					\
+	gcm-dump-edid.c
+
+gcm_dump_edid_LDADD =					\
+	libgcmshared.a					\
+	$(GLIB_LIBS)					\
+	$(GNOMEDESKTOP_LIBS)				\
+	$(GCONF_LIBS)					\
+	$(GUDEV_LIBS)					\
+	$(XORG_LIBS)					\
+	$(DBUS_GLIB_LIBS)				\
+	$(GTK_LIBS)
+
+gcm_dump_edid_CFLAGS =					\
+	$(WARNINGFLAGS_C)
+
+
 bin_PROGRAMS =						\
 	gcm-apply					\
 	gcm-prefs					\
 	gcm-session					\
 	gcm-import
 
-noinst_PROGRAMS =					\
-	gcm-inspect
-
 gcm_inspect_SOURCES =					\
 	gcm-inspect.c
 
diff --git a/src/gcm-dump-edid.c b/src/gcm-dump-edid.c
new file mode 100644
index 0000000..d1c26d1
--- /dev/null
+++ b/src/gcm-dump-edid.c
@@ -0,0 +1,109 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2009 Richard Hughes <richard hughsie com>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * 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 2 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 profile.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <libgnomeui/gnome-rr.h>
+#include <locale.h>
+
+#include "egg-debug.h"
+
+#include "gcm-utils.h"
+
+/**
+ * main:
+ **/
+int
+main (int argc, char **argv)
+{
+	const guint8 *data;
+	gboolean ret;
+	gchar *output_name;
+	gchar *filename;
+	guint i;
+	guint retval = 0;
+	GError *error = NULL;
+	GnomeRROutput **outputs;
+	GnomeRRScreen *rr_screen = NULL;
+	GOptionContext *context;
+
+	setlocale (LC_ALL, "");
+
+	bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+	textdomain (GETTEXT_PACKAGE);
+
+	gtk_init (&argc, &argv);
+
+	context = g_option_context_new ("gnome-color-manager dump edid program");
+	g_option_context_add_group (context, egg_debug_get_option_group ());
+	g_option_context_add_group (context, gtk_get_option_group (TRUE));
+	g_option_context_parse (context, &argc, &argv, NULL);
+	g_option_context_free (context);
+
+	/* get screen */
+	rr_screen = gnome_rr_screen_new (gdk_screen_get_default (), NULL, NULL, &error);
+	if (rr_screen == NULL) {
+		egg_warning ("failed to get rr screen: %s", error->message);
+		retval = 1;
+		goto out;
+	}
+
+	/* coldplug devices */
+	outputs = gnome_rr_screen_list_outputs (rr_screen);
+	for (i=0; outputs[i] != NULL; i++) {
+
+		/* only try to get edid if connected */
+		ret = gnome_rr_output_is_connected (outputs[i]);
+		if (!ret)
+			continue;
+
+		/* get data */
+		data = gnome_rr_output_get_edid_data (outputs[i]);
+		if (data == NULL)
+			continue;
+
+		/* get output name */
+		output_name = g_strdup (gnome_rr_output_get_name (outputs[i]));
+		gcm_utils_alphanum_lcase (output_name);
+
+		/* get suitable filename */
+		filename = g_strdup_printf ("./%s.bin", output_name);
+
+		/* save to disk */
+		ret = g_file_set_contents (filename, (const gchar *) data, 0x80, &error);
+		if (ret) {
+			g_print ("Saved %i bytes to %s\n", 128, filename);
+		} else {
+			g_print ("Failed to save EDID to %s: %s\n", filename, error->message);
+			/* non-fatal */
+			g_clear_error (&error);
+		}
+		g_free (filename);
+	}
+out:
+	if (rr_screen != NULL)
+		gnome_rr_screen_destroy (rr_screen);
+	return retval;
+}
+