gtk/tools/gtk-image-tool-info.c
Matthias Clasen 5ae225fe52 Add an image tool
This is meant to provide a convenient way to produce images in
specific color states and memory formats.
2024-07-25 18:20:59 -06:00

104 lines
2.7 KiB
C

/* Copyright 2024 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-image-tool.h"
static const char *
get_format_name (GdkMemoryFormat format)
{
GEnumClass *class;
GEnumValue *value;
const char *name;
class = g_type_class_ref (GDK_TYPE_MEMORY_FORMAT);
value = g_enum_get_value (class, format);
name = value->value_nick;
g_type_class_unref (class);
return name;
}
static void
file_info (const char *filename)
{
GdkTexture *texture;
texture = load_image_file (filename);
g_print ("%s %dx%d\n", _("Size:"), gdk_texture_get_width (texture), gdk_texture_get_height (texture));
g_print ("%s %s\n", _("Format:"), get_format_name (gdk_texture_get_format (texture)));
g_print ("%s %s\n", _("Color state:"), get_color_state_name (gdk_texture_get_color_state (texture)));
g_object_unref (texture);
}
void
do_info (int *argc,
const char ***argv)
{
GOptionContext *context;
char **filenames = NULL;
const GOptionEntry entries[] = {
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, N_("FILE") },
{ NULL, }
};
GError *error = NULL;
g_set_prgname ("gtk4-image-tool info");
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, _("Provide information about the image."));
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 image file specified\n"));
exit (1);
}
if (g_strv_length (filenames) > 1)
{
g_printerr (_("Can only accept a single image file\n"));
exit (1);
}
file_info (filenames[0]);
g_strfreev (filenames);
}