gtk/tools/gtk-path-tool-utils.c
Matthias Clasen 62176a3bd0 tools: Add gtk4-path-tool
This comes in handy for testing, among other things.

For now, this supports decomposing, reversing, rendering,
info and preview.
2023-08-12 16:34:19 -04:00

140 lines
3.2 KiB
C

/* 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.
*
* GLib 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 <gtk/gtk.h>
#include <gio/gio.h>
#ifdef G_OS_UNIX
#include <gio/gunixinputstream.h>
#endif
#include "gtk-path-tool.h"
#include <glib/gi18n-lib.h>
GskPath *
get_path (const char *arg)
{
char *buffer = NULL;
gsize len;
GError *error = NULL;
GskPath *path;
if (arg[0] == '.' || arg[0] == '/')
{
if (!g_file_get_contents (arg, &buffer, &len, &error))
{
g_printerr ("%s\n", error->message);
exit (1);
}
}
#ifdef G_OS_UNIX
else if (strcmp (arg, "-") == 0)
{
GInputStream *in;
GOutputStream *out;
in = g_unix_input_stream_new (0, FALSE);
out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
if (g_output_stream_splice (out, in, 0, NULL, &error) < 0)
{
g_printerr (_("Failed to read from standard input: %s\n"), error->message);
exit (1);
}
if (!g_output_stream_close (out, NULL, &error))
{
g_printerr (_("Error reading from standard input: %s\n"), error->message);
exit (1);
}
buffer = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));
g_object_unref (out);
g_object_unref (in);
}
#endif
else
buffer = g_strdup (arg);
g_strstrip (buffer);
path = gsk_path_parse (buffer);
if (path == NULL)
{
g_printerr (_("Failed to parse '%s' as path.\n"), arg);
exit (1);
}
g_free (buffer);
return path;
}
int
get_enum_value (GType type,
const char *type_nick,
const char *str)
{
GEnumClass *class = g_type_class_ref (type);
GEnumValue *value;
int val;
value = g_enum_get_value_by_nick (class, str);
if (value)
val = value->value;
else
{
GString *s;
s = g_string_new ("");
g_string_append_printf (s, _("Failed to parse '%s' as %s."), str, type_nick);
g_string_append (s, "\n");
g_string_append (s, _("Possible values: "));
for (unsigned int i = 0; i < class->n_values; i++)
{
if (i > 0)
g_string_append (s, ", ");
g_string_append (s, class->values[i].value_nick);
}
g_printerr ("%s\n", s->str);
g_string_free (s, TRUE);
exit (1);
}
g_type_class_unref (class);
return val;
}
void
get_color (GdkRGBA *rgba,
const char *str)
{
if (!gdk_rgba_parse (rgba, str))
{
char *msg = g_strdup_printf (_("Could not parse '%s' as color"), str);
g_printerr ("%s\n", msg);
exit (1);
}
}