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/*
* Copyright (C) 2010 - 2011, Robert Ancell <robert.ancell@canonical.com>
* Copyright (C) 2011, Gunnar Hjalmarsson <ubuntu@gunnar.cc>
* Copyright (C) 2012 - 2013, Lionel Le Folgoc <mrpouit@ubuntu.com>
* Copyright (C) 2012, Julien Lavergne <gilir@ubuntu.com>
* Copyright (C) 2013 - 2015, Simon Steinbeiß <ochosi@shimmerproject.org>
* Copyright (C) 2013 - 2020, Sean Davis <sean@bluesabre.org>
* Copyright (C) 2014, Andrew P. <pan.pav.7c5@gmail.com>
*
* 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. See http://www.gnu.org/copyleft/gpl.html the full text of the
* license.
*/
#include <lightdm.h>
#include "greeterconfiguration.h"
#include "greeteruserimage.h"
#define USER_IMAGE_SIZE 80
static GdkPixbuf *
round_image (GdkPixbuf *pixbuf)
{
GdkPixbuf *dest = NULL;
cairo_surface_t *surface;
cairo_t *cr;
gint size;
size = gdk_pixbuf_get_width (pixbuf);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, size, size);
cr = cairo_create (surface);
/* Clip a circle */
cairo_arc (cr, size/2, size/2, size/2, 0, 2 * G_PI);
cairo_clip (cr);
cairo_new_path (cr);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
dest = gdk_pixbuf_get_from_surface (surface, 0, 0, size, size);
cairo_surface_destroy (surface);
cairo_destroy (cr);
return dest;
}
static GdkPixbuf *
get_default_user_image_from_settings (void)
{
GdkPixbuf *image = NULL;
gchar *value = NULL;
GError *error = NULL;
value = config_get_string (NULL, CONFIG_KEY_DEFAULT_USER_IMAGE, NULL);
if (!value)
return NULL;
if (value[0] == '/')
{
image = gdk_pixbuf_new_from_file_at_scale (value,
USER_IMAGE_SIZE,
USER_IMAGE_SIZE,
FALSE,
&error);
if (!image)
{
g_warning ("Failed to load default user image from path: %s", error->message);
g_clear_error (&error);
}
}
else if (value[0] == '#')
{
image = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
value + 1,
USER_IMAGE_SIZE,
GTK_ICON_LOOKUP_FORCE_SIZE,
&error);
if (!image)
{
g_warning ("Failed to load default user image from icon theme: %s", error->message);
g_clear_error (&error);
}
}
g_free (value);
return image;
}
GdkPixbuf *
get_default_user_image (void)
{
GdkPixbuf *temp_image = NULL, *image = NULL;
GError *error = NULL;
/* If a file is set by preferences, it must be prioritized. */
image = get_default_user_image_from_settings ();
/* Fallback to avatar-default icon from theme */
if (!image)
{
image = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
"avatar-default",
USER_IMAGE_SIZE,
GTK_ICON_LOOKUP_FORCE_SIZE,
&error);
if (error != NULL)
{
g_warning ("Failed to load fallback user image: %s", error->message);
g_clear_error (&error);
}
}
/* Fallback again to old stock_person icon from theme */
if (!image)
{
image = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
"stock_person",
USER_IMAGE_SIZE,
GTK_ICON_LOOKUP_FORCE_SIZE,
&error);
if (error != NULL)
{
g_warning ("Failed to load old fallback user image: %s", error->message);
g_clear_error (&error);
}
}
if (image && config_get_bool (NULL, CONFIG_KEY_ROUND_USER_IMAGE, TRUE))
{
temp_image = round_image (image);
if (temp_image != NULL)
{
g_object_unref (image);
image = temp_image;
}
}
return image;
}
GdkPixbuf *
get_user_image (const gchar *username)
{
LightDMUser *user = NULL;
GdkPixbuf *temp_image = NULL, *image = NULL;
GError *error = NULL;
const gchar *path;
user = lightdm_user_list_get_user_by_name (lightdm_user_list_get_instance (), username);
if (user)
{
path = lightdm_user_get_image (user);
if (path)
{
image = gdk_pixbuf_new_from_file_at_scale (path,
USER_IMAGE_SIZE,
USER_IMAGE_SIZE,
FALSE,
&error);
if (!image)
{
g_debug ("Failed to load user image: %s", error->message);
g_clear_error (&error);
}
}
}
if (image && config_get_bool (NULL, CONFIG_KEY_ROUND_USER_IMAGE, TRUE))
{
temp_image = round_image (image);
if (temp_image != NULL)
{
g_object_unref (image);
image = temp_image;
}
}
return image;
}
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