/* 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 "gtk-path-tool.h"
#include <glib/gi18n-lib.h>
static gboolean
foreach_cb (GskPathOperation op,
const graphene_point_t *pts,
gsize n_pts,
float weight,
gpointer user_data)
{
GskPathBuilder *builder = user_data;
switch (op)
{
case GSK_PATH_MOVE:
gsk_path_builder_move_to (builder, pts[0 ].x, pts[0 ].y);
break ;
case GSK_PATH_CLOSE:
gsk_path_builder_close (builder);
break ;
case GSK_PATH_LINE:
gsk_path_builder_line_to (builder, pts[1 ].x, pts[1 ].y);
break ;
case GSK_PATH_QUAD:
gsk_path_builder_quad_to (builder, pts[1 ].x, pts[1 ].y,
pts[2 ].x, pts[2 ].y);
break ;
case GSK_PATH_CUBIC:
gsk_path_builder_cubic_to (builder, pts[1 ].x, pts[1 ].y,
pts[2 ].x, pts[2 ].y,
pts[3 ].x, pts[3 ].y);
break ;
case GSK_PATH_CONIC:
gsk_path_builder_conic_to (builder, pts[1 ].x, pts[1 ].y,
pts[2 ].x, pts[2 ].y,
weight);
break ;
default :
g_assert_not_reached ();
}
return TRUE ;
}
void
do_decompose (int *argc, const char ***argv)
{
GError *error = NULL;
gboolean allow_quad = FALSE ;
gboolean allow_cubic = FALSE ;
gboolean allow_conic = FALSE ;
char **args = NULL;
GOptionContext *context;
GOptionEntry entries[] = {
{ "allow-quad" , 0 , 0 , G_OPTION_ARG_NONE, &allow_quad, N_("Allow quadratic Bézier curves" ), NULL },
{ "allow-cubic" , 0 , 0 , G_OPTION_ARG_NONE, &allow_cubic, N_("Allow cubic Bézier curves" ), NULL },
{ "allow-conic" , 0 , 0 , G_OPTION_ARG_NONE, &allow_conic, N_("Allow conic Bézier curves" ), NULL },
{ G_OPTION_REMAINING, 0 , 0 , G_OPTION_ARG_FILENAME_ARRAY, &args, NULL, N_("PATH" ) },
{ NULL, },
};
GskPathForeachFlags flags;
GskPath *path, *result;
GskPathBuilder *builder;
g_set_prgname ("gtk4-path-tool decompose" );
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, _("Decompose a path." ));
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 (args == NULL)
{
g_printerr ("%s\n" , _("No paths given." ));
exit (1 );
}
path = get_path (args[0 ]);
flags = 0 ;
if (allow_quad)
flags |= GSK_PATH_FOREACH_ALLOW_QUAD;
if (allow_cubic)
flags |= GSK_PATH_FOREACH_ALLOW_CUBIC;
if (allow_conic)
flags |= GSK_PATH_FOREACH_ALLOW_CONIC;
builder = gsk_path_builder_new ();
gsk_path_foreach (path, flags, foreach_cb, builder);
result = gsk_path_builder_free_to_path (builder);
if (result)
{
char *str = gsk_path_to_string (result);
g_print ("%s\n" , str);
g_free (str);
}
else
{
g_printerr ("%s\n" , _("That didn't work out." ));
exit (1 );
}
}
Messung V0.5 in Prozent C=100 H=92 G=95
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-07-02)
¤
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