/* Copyright 2023 Red Hat, Inc.
*
* GTK 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 of the
* License , or ( at your option ) any later version .
*
* GTK 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 GTK ; see the file COPYING . If not ,
* see < http : //www.gnu.org/licenses/>.
*
* Author : Matthias Clasen
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib/gi18n-lib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtk-rendernode-tool.h"
#include "gtk-tool-utils.h"
static void
set_window_title (GtkWindow *window,
const char *filename)
{
char *name;
name = g_path_get_basename (filename);
gtk_window_set_title (window, name);
g_free (name);
}
static void
quit_cb (GtkWidget *widget,
gpointer user_data)
{
gboolean *is_done = user_data;
*is_done = TRUE ;
g_main_context_wakeup (NULL);
}
static void
show_file (const char *filename,
gboolean decorated,
gboolean offload)
{
GskRenderNode *node;
graphene_rect_t node_bounds;
GdkPaintable *paintable;
GtkWidget *sw;
GtkWidget *handle;
GtkWidget *window;
gboolean done = FALSE ;
GtkSnapshot *snapshot;
GtkWidget *picture;
node = load_node_file (filename);
gsk_render_node_get_bounds (node, &node_bounds);
snapshot = gtk_snapshot_new ();
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- node_bounds.origin.x, - node_bounds.origin.y));
gtk_snapshot_append_node (snapshot, node);
paintable = gtk_snapshot_free_to_paintable (snapshot, NULL);
picture = gtk_picture_new_for_paintable (paintable);
gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE );
gtk_picture_set_content_fit (GTK_PICTURE (picture), GTK_CONTENT_FIT_SCALE_DOWN);
if (offload)
picture = gtk_graphics_offload_new (picture);
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_propagate_natural_width (GTK_SCROLLED_WINDOW (sw), TRUE );
gtk_scrolled_window_set_propagate_natural_height (GTK_SCROLLED_WINDOW (sw), TRUE );
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), picture);
handle = gtk_window_handle_new ();
gtk_window_handle_set_child (GTK_WINDOW_HANDLE (handle), sw);
window = gtk_window_new ();
gtk_window_set_decorated (GTK_WINDOW (window), decorated);
gtk_window_set_resizable (GTK_WINDOW (window), decorated);
if (!decorated)
gtk_widget_remove_css_class (window, "background" );
set_window_title (GTK_WINDOW (window), filename);
gtk_window_set_child (GTK_WINDOW (window), handle);
gtk_window_present (GTK_WINDOW (window));
g_signal_connect (window, "destroy" , G_CALLBACK (quit_cb), &done);
while (!done)
g_main_context_iteration (NULL, TRUE );
g_clear_object (&paintable);
g_clear_pointer (&node, gsk_render_node_unref);
}
void
do_show (int *argc,
const char ***argv)
{
GOptionContext *context;
char **filenames = NULL;
gboolean decorated = TRUE ;
gboolean offload = FALSE ;
const GOptionEntry entries[] = {
{ "offload" , 0 , G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &offload, N_("Put node into offload container" ), NULL },
{ "undecorated" , 0 , G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &decorated, N_("Don't add a titlebar" ), NULL },
{ G_OPTION_REMAINING, 0 , 0 , G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE" ) },
{ NULL, }
};
GError *error = NULL;
if (gdk_display_get_default () == NULL)
{
g_printerr (_("Could not initialize windowing system\n" ));
exit (1 );
}
g_set_prgname ("gtk4-rendernode-tool show" );
context = g_option_context_new (NULL);
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_set_summary (context, _("Show the render node." ));
if (!g_option_context_parse (context, argc, (char ***)argv, &error))
{
g_printerr ("%s\n" , error->message);
g_error_free (error);
exit (1 );
}
g_option_context_free (context);
if (filenames == NULL)
{
g_printerr (_("No .node file specified\n" ));
exit (1 );
}
if (g_strv_length (filenames) > 1 )
{
g_printerr (_("Can only preview a single .node file\n" ));
exit (1 );
}
show_file (filenames[0 ], decorated, offload);
g_strfreev (filenames);
}
Messung V0.5 in Prozent C=100 H=92 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-07-02)
¤
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