143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2015 Red Hat, Inc.
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*/
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#include "cc-user-image.h"
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#include <gtk/gtk.h>
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#include <act/act.h>
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#include <sys/stat.h>
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#include "user-utils.h"
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struct _CcUserImage {
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GtkImage parent_instance;
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ActUser *user;
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};
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G_DEFINE_TYPE (CcUserImage, cc_user_image, GTK_TYPE_IMAGE)
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static cairo_surface_t *
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render_user_icon (ActUser *user,
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gint icon_size,
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gint scale)
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{
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g_autoptr(GdkPixbuf) source_pixbuf = NULL;
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GdkPixbuf *pixbuf = NULL;
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GError *error;
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const gchar *icon_file;
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cairo_surface_t *surface = NULL;
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g_return_val_if_fail (ACT_IS_USER (user), NULL);
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g_return_val_if_fail (icon_size > 12, NULL);
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icon_file = act_user_get_icon_file (user);
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pixbuf = NULL;
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if (icon_file) {
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source_pixbuf = gdk_pixbuf_new_from_file_at_size (icon_file,
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icon_size * scale,
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icon_size * scale,
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NULL);
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if (source_pixbuf)
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pixbuf = round_image (source_pixbuf);
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}
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if (pixbuf != NULL) {
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goto out;
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}
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error = NULL;
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pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
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"avatar-default",
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icon_size * scale,
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GTK_ICON_LOOKUP_FORCE_SIZE,
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&error);
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if (error) {
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g_warning ("%s", error->message);
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g_error_free (error);
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}
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out:
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if (pixbuf != NULL) {
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surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, NULL);
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g_object_unref (pixbuf);
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}
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return surface;
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}
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static void
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render_image (CcUserImage *image)
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{
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cairo_surface_t *surface;
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gint scale, pixel_size;
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if (image->user == NULL)
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return;
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pixel_size = gtk_image_get_pixel_size (GTK_IMAGE (image));
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scale = gtk_widget_get_scale_factor (GTK_WIDGET (image));
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surface = render_user_icon (image->user,
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pixel_size > 0 ? pixel_size : 48,
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scale);
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gtk_image_set_from_surface (GTK_IMAGE (image), surface);
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cairo_surface_destroy (surface);
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}
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void
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cc_user_image_set_user (CcUserImage *image,
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ActUser *user)
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{
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g_clear_object (&image->user);
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image->user = g_object_ref (user);
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render_image (image);
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}
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static void
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cc_user_image_finalize (GObject *object)
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{
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CcUserImage *image = CC_USER_IMAGE (object);
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g_clear_object (&image->user);
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G_OBJECT_CLASS (cc_user_image_parent_class)->finalize (object);
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}
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static void
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cc_user_image_class_init (CcUserImageClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->finalize = cc_user_image_finalize;
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}
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static void
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cc_user_image_init (CcUserImage *image)
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{
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g_signal_connect_swapped (image, "notify::scale-factor", G_CALLBACK (render_image), image);
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g_signal_connect_swapped (image, "notify::pixel-size", G_CALLBACK (render_image), image);
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}
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GtkWidget *
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cc_user_image_new (void)
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{
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return g_object_new (CC_TYPE_USER_IMAGE, NULL);
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}
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