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98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/* Copyright 2023 Red Hat, Inc.
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*
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* GTK+ is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* GLib 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with GTK+; see the file COPYING. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Author: Matthias Clasen
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "gtk-path-tool.h"
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#include <glib/gi18n-lib.h>
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void
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do_restrict (int *argc, const char ***argv)
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{
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GError *error = NULL;
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double start = G_MAXDOUBLE;
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double end = G_MAXDOUBLE;
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char **args = NULL;
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GOptionContext *context;
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GOptionEntry entries[] = {
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{ "start", 0, 0, G_OPTION_ARG_DOUBLE, &start, N_("Beginning of segment"), N_("LENGTH") },
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{ "end", 0, 0, G_OPTION_ARG_DOUBLE, &end, N_("End of segment"), N_("LENGTH") },
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{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &args, NULL, N_("PATH") },
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{ NULL, },
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};
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GskPath *path, *result;
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GskPathMeasure *measure;
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GskPathBuilder *builder;
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GskPathPoint start_point, end_point;
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g_set_prgname ("gtk4-path-tool restrict");
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context = g_option_context_new (NULL);
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g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
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g_option_context_add_main_entries (context, entries, NULL);
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g_option_context_set_summary (context, _("Restrict a path to a segment."));
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if (!g_option_context_parse (context, argc, (char ***)argv, &error))
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{
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g_printerr ("%s\n", error->message);
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g_error_free (error);
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exit (1);
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}
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g_option_context_free (context);
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if (args == NULL)
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{
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g_printerr ("%s\n", _("No paths given."));
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exit (1);
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}
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path = get_path (args[0]);
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measure = gsk_path_measure_new (path);
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if (start == G_MAXDOUBLE)
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start = 0;
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if (end == G_MAXDOUBLE)
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end = gsk_path_measure_get_length (measure);
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builder = gsk_path_builder_new ();
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gsk_path_measure_get_point (measure, start, &start_point);
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gsk_path_measure_get_point (measure, end, &end_point);
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gsk_path_builder_add_segment (builder, path, &start_point, &end_point);
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result = gsk_path_builder_free_to_path (builder);
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if (result)
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{
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char *str = gsk_path_to_string (result);
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g_print ("%s\n", str);
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g_free (str);
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}
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else
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{
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g_printerr ("%s\n", _("That didn't work out."));
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exit (1);
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}
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}
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