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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2013 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU Lesser General Public License Version 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:cd-edid
* @short_description: Compatibility routines for applications that process the EDID
*
* These functions here are designed as a ucmm-like wrapper for ArgyllCMS.
* Other software should use the native functionality in libcolord rather than
* this shim functionality.
*/
#include "config.h"
#include <colord.h>
#include <string.h>
#include "cd-compat-edid.h"
/**
* cd_edid_install_profile:
* @scope: where to install the profile, e.g. %CD_EDID_SCOPE_USER
* @edid: the EDID data, typically just 128 bytes in size
* @edid_len: the size in bytes of @edid_len
* @profile_fn: the profile filename to install
*
* Install a profile for a given monitor.
*
* Return value: a %CdEdidError, e.g. %CD_EDID_ERROR_OK
*
* Since: 0.1.34
**/
CdEdidError
cd_edid_install_profile (unsigned char *edid,
int edid_len,
CdEdidScope scope,
char *profile_fn)
{
gboolean ret;
g_autoptr(GError) error = NULL;
g_autofree gchar *md5 = NULL;
g_autoptr(CdClient) client = NULL;
g_autoptr(CdDevice) device = NULL;
g_autoptr(CdProfile) profile = NULL;
g_autoptr(GFile) file = NULL;
g_return_val_if_fail (profile_fn != NULL, CD_EDID_ERROR_RESOURCE);
/* bad input */
if (edid == NULL || edid_len == 0)
return CD_EDID_ERROR_NO_DATA;
/* conect to daemon */
client = cd_client_new ();
ret = cd_client_connect_sync (client, NULL, &error);
if (!ret) {
g_printerr ("Failed to connect to colord: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* find device that matches the output EDID */
md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5,
(const gchar *)edid,
(gssize) edid_len);
device = cd_client_find_device_by_property_sync (client,
CD_DEVICE_METADATA_OUTPUT_EDID_MD5,
md5,
NULL,
&error);
if (device == NULL) {
g_printerr ("Failed to find device that matches %s: %s",
md5, error->message);
return CD_EDID_ERROR_MONITOR_NOT_FOUND;
}
/* read device properties */
ret = cd_device_connect_sync (device, NULL, &error);
if (!ret) {
g_printerr ("device disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* import profile */
file = g_file_new_for_path (profile_fn);
profile = cd_client_import_profile_sync (client, file, NULL, &error);
if (profile == NULL &&
g_error_matches (error,
CD_CLIENT_ERROR,
CD_CLIENT_ERROR_ALREADY_EXISTS)) {
g_clear_error (&error);
profile = cd_client_find_profile_by_property_sync (client,
CD_PROFILE_PROPERTY_FILENAME,
profile_fn,
NULL,
&error);
}
if (profile == NULL) {
g_printerr ("Could not import profile %s: %s",
profile_fn,
error->message);
return CD_EDID_ERROR_NO_PROFILE;
}
/* read profile properties */
ret = cd_profile_connect_sync (profile, NULL, &error);
if (!ret) {
g_printerr ("profile disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* add profile to device */
ret = cd_device_add_profile_sync (device,
CD_DEVICE_RELATION_HARD,
profile,
NULL,
&error);
if (!ret) {
if (g_error_matches (error,
CD_DEVICE_ERROR,
CD_DEVICE_ERROR_PROFILE_ALREADY_ADDED)) {
/* ignore this */
g_clear_error (&error);
} else {
g_printerr ("could not add profile %s to device %s: %s",
cd_profile_get_id(profile),
cd_device_get_id(device),
error->message);
return CD_EDID_ERROR_SET_CONFIG;
}
}
/* make default */
ret = cd_device_make_profile_default_sync (device,
profile,
NULL,
&error);
if (!ret) {
g_printerr ("could not add default profile %s to device %s: %s",
cd_profile_get_id(profile),
cd_device_get_id(device),
error->message);
return CD_EDID_ERROR_SET_CONFIG;
}
/* install system-wide */
if (scope == CD_EDID_SCOPE_SYSTEM) {
ret = cd_profile_install_system_wide_sync (profile, NULL, &error);
if (!ret) {
g_printerr ("could not set profile %s systemwide: %s",
cd_profile_get_id (profile),
error->message);
return CD_EDID_ERROR_PROFILE_COPY;
}
}
return CD_EDID_ERROR_OK;
}
/**
* cd_edid_remove_profile:
* @edid: the EDID data, typically just 128 bytes in size
* @edid_len: the size in bytes of @edid_len
* @profile_fn: the profile filename to remove
*
* Un-install a profile for a given monitor.
*
* Return value: a %CdEdidError, e.g. %CD_EDID_ERROR_OK
*
* Since: 0.1.34
**/
CdEdidError
cd_edid_remove_profile (unsigned char *edid,
int edid_len,
char *profile_fn)
{
gboolean ret;
g_autoptr(GError) error = NULL;
g_autofree gchar *md5 = NULL;
g_autoptr(CdClient) client = NULL;
g_autoptr(CdDevice) device = NULL;
g_autoptr(CdProfile) profile = NULL;
g_autoptr(GFile) file = NULL;
g_return_val_if_fail (profile_fn != NULL, CD_EDID_ERROR_RESOURCE);
/* bad input */
if (edid == NULL || edid_len == 0)
return CD_EDID_ERROR_NO_DATA;
/* conect to daemon */
client = cd_client_new ();
ret = cd_client_connect_sync (client, NULL, &error);
if (!ret) {
g_printerr ("Failed to connect to colord: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* find device that matches the output EDID */
md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5,
(const gchar *)edid,
(gssize) edid_len);
device = cd_client_find_device_by_property_sync (client,
CD_DEVICE_METADATA_OUTPUT_EDID_MD5,
md5,
NULL,
&error);
if (device == NULL) {
g_printerr ("Failed to find device that matches %s: %s",
md5, error->message);
return CD_EDID_ERROR_MONITOR_NOT_FOUND;
}
/* read device properties */
ret = cd_device_connect_sync (device, NULL, &error);
if (!ret) {
g_printerr ("device disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* find profile */
file = g_file_new_for_path (profile_fn);
profile = cd_client_find_profile_by_filename_sync (client,
profile_fn,
NULL,
&error);
if (profile == NULL) {
g_printerr ("Could not find profile %s: %s",
profile_fn,
error->message);
return CD_EDID_ERROR_NO_PROFILE;
}
/* read profile properties */
ret = cd_profile_connect_sync (profile, NULL, &error);
if (!ret) {
g_printerr ("profile disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* remove profile from device */
ret = cd_device_remove_profile_sync (device,
profile,
NULL,
&error);
if (!ret) {
g_printerr ("could not remove profile %s from device %s: %s",
cd_profile_get_id (profile),
cd_device_get_id (device),
error->message);
return CD_EDID_ERROR_SET_CONFIG;
}
return CD_EDID_ERROR_OK;
}
/**
* cd_edid_get_profile:
* @edid: the EDID data, typically just 128 bytes in size
* @edid_len: the size in bytes of @edid_len
* @profile_fn: the returned profile filename, use free() when done
*
* Get an associated monitor profile.
*
* Return value: a %CdEdidError, e.g. %CD_EDID_ERROR_OK
*
* Since: 0.1.34
**/
CdEdidError
cd_edid_get_profile (unsigned char *edid,
int edid_len,
char **profile_fn)
{
const gchar *filename;
gboolean ret;
g_autoptr(GError) error = NULL;
g_autofree gchar *md5 = NULL;
g_autoptr(CdClient) client = NULL;
g_autoptr(CdDevice) device = NULL;
g_autoptr(CdProfile) profile = NULL;
/* bad input */
if (edid == NULL || edid_len == 0)
return CD_EDID_ERROR_NO_DATA;
/* conect to daemon */
client = cd_client_new ();
ret = cd_client_connect_sync (client, NULL, &error);
if (!ret) {
g_printerr ("Failed to connect to colord: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* find device that matches the output EDID */
md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5,
(const gchar *)edid,
(gssize) edid_len);
device = cd_client_find_device_by_property_sync (client,
CD_DEVICE_METADATA_OUTPUT_EDID_MD5,
md5,
NULL,
&error);
if (device == NULL) {
g_printerr ("Failed to find device that matches %s: %s",
md5, error->message);
return CD_EDID_ERROR_MONITOR_NOT_FOUND;
}
/* read device properties */
ret = cd_device_connect_sync (device, NULL, &error);
if (!ret) {
g_printerr ("device disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* get the default profile for the device */
profile = cd_device_get_default_profile (device);
if (profile == NULL) {
g_printerr ("No profile for %s: %s",
cd_device_get_id (device),
error->message);
return CD_EDID_ERROR_NO_PROFILE;
}
/* read profile properties */
ret = cd_profile_connect_sync (profile, NULL, &error);
if (!ret) {
g_printerr ("profile disappeared: %s", error->message);
return CD_EDID_ERROR_ACCESS_CONFIG;
}
/* get filename */
filename = cd_profile_get_filename (profile);
if (filename == NULL)
return CD_EDID_ERROR_INVALID_PROFILE;
/* return filename of profile */
if (profile_fn != NULL)
*profile_fn = strdup (filename);
return CD_EDID_ERROR_OK;
}
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