/* 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 <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-path-tool.h"
#include "path-view.h"
static void
show_path (GskPath *path1,
GskPath *path2,
gboolean do_fill,
GskFillRule fill_rule,
GskStroke *stroke,
const GdkRGBA *fg_color,
const GdkRGBA *bg_color,
const GdkRGBA *point_color,
const GdkRGBA *intersection_color,
gboolean show_points,
gboolean show_controls,
gboolean show_intersections,
double zoom)
{
GtkWidget *window, *sw, *child;
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), _("Path Preview" ));
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_window_set_child (GTK_WINDOW (window), sw);
child = g_object_new (PATH_TYPE_VIEW,
"path1" , path1,
"path2" , path2,
"do-fill" , do_fill,
"fill-rule" , fill_rule,
"stroke" , stroke,
"fg-color" , fg_color,
"bg-color" , bg_color,
"point-color" , point_color,
"intersection-color" , intersection_color,
"show-points" , show_points,
"show-controls" , show_controls,
"show-intersections" , show_intersections,
"zoom" , zoom,
NULL);
gtk_widget_set_hexpand (child, TRUE );
gtk_widget_set_vexpand (child, TRUE );
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), child);
gtk_window_present (GTK_WINDOW (window));
while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0 )
g_main_context_iteration (NULL, TRUE );
}
void
do_show (int *argc,
const char ***argv)
{
GError *error = NULL;
gboolean do_fill = TRUE ;
gboolean show_points = FALSE ;
gboolean show_controls = FALSE ;
gboolean show_intersections = FALSE ;
const char *fill = "winding" ;
const char *fg_color = "black" ;
const char *bg_color = "white" ;
const char *point_color = "red" ;
const char *intersection_color = "lightgreen" ;
double zoom = 1 ;
double line_width = 1 ;
const char *cap = "butt" ;
const char *join = "miter" ;
double miter_limit = 4 ;
const char *dashes = NULL;
double dash_offset = 0 ;
char **args = NULL;
GOptionContext *context;
GOptionGroup *options;
const GOptionEntry entries[] = {
{ "fill" , 0 , 0 , G_OPTION_ARG_NONE, &do_fill, N_("Fill the path (the default)" ), NULL },
{ "stroke" , 0 , G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &do_fill, N_("Stroke the path" ), NULL },
{ "points" , 0 , 0 , G_OPTION_ARG_NONE, &show_points, N_("Show path points" ), NULL },
{ "controls" , 0 , 0 , G_OPTION_ARG_NONE, &show_controls, N_("Show control points" ), NULL },
{ "intersections" , 0 , 0 , G_OPTION_ARG_NONE, &show_intersections, N_("Show intersections" ), NULL },
{ "fg-color" , 0 , 0 , G_OPTION_ARG_STRING, &fg_color, N_("Foreground color" ), N_("COLOR" ) },
{ "bg-color" , 0 , 0 , G_OPTION_ARG_STRING, &bg_color, N_("Background color" ), N_("COLOR" ) },
{ "point-color" , 0 , 0 , G_OPTION_ARG_STRING, &point_color, N_("Point color" ), N_("COLOR" ) },
{ "intersection-color" , 0 , 0 , G_OPTION_ARG_STRING, &intersection_color, N_("Intersection color" ), N_("COLOR" ) },
{ "zoom" , 0 , 0 , G_OPTION_ARG_DOUBLE, &zoom, N_("Zoom level (number)" ), N_("VALUE" ) },
{ G_OPTION_REMAINING, 0 , 0 , G_OPTION_ARG_STRING_ARRAY, &args, NULL, N_("PATH…" ) },
{ NULL, }
};
const GOptionEntry fill_entries[] = {
{ "fill-rule" , 0 , 0 , G_OPTION_ARG_STRING, &fill, N_("Fill rule (winding, even-odd)" ), N_("VALUE" ) },
{ NULL, }
};
const GOptionEntry stroke_entries[] = {
{ "line-width" , 0 , 0 , G_OPTION_ARG_DOUBLE, &line_width, N_("Line width (number)" ), N_("VALUE" ) },
{ "line-cap" , 0 , 0 , G_OPTION_ARG_STRING, &cap, N_("Line cap (butt, round, square)" ), N_("VALUE" ) },
{ "line-join" , 0 , 0 , G_OPTION_ARG_STRING, &join, N_("Line join (miter, miter-clip, round, bevel)" ), N_("VALUE" ) },
{ "miter-limit" , 0 , 0 , G_OPTION_ARG_DOUBLE, &miter_limit, N_("Miter limit (number)" ), N_("VALUE" ) },
{ "dashes" , 0 , 0 , G_OPTION_ARG_STRING, &dashes, N_("Dash pattern (comma-separated numbers)" ), N_("VALUE" ) },
{ "dash-offset" , 0 , 0 , G_OPTION_ARG_DOUBLE, &dash_offset, N_("Dash offset (number)" ), N_("VALUE" ) },
{ NULL, }
};
GskPath *path1;
GskPath *path2;
GskFillRule fill_rule;
GdkRGBA fg, bg, pc, ic;
GskLineCap line_cap;
GskLineJoin line_join;
GskStroke *stroke;
if (gdk_display_get_default () == NULL)
{
g_printerr ("%s\n" , _("Could not initialize windowing system" ));
exit (1 );
}
g_set_prgname ("gtk4-path-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, _("Display the path." ));
options = g_option_group_new ("fill" ,
_("Options related to filling" ),
_("Show help for fill options" ),
NULL, NULL);
g_option_group_add_entries (options, fill_entries);
g_option_group_set_translation_domain (options, GETTEXT_PACKAGE);
g_option_context_add_group (context, options);
options = g_option_group_new ("stroke" ,
_("Options related to stroking" ),
_("Show help for stroke options" ),
NULL, NULL);
g_option_group_add_entries (options, stroke_entries);
g_option_group_set_translation_domain (options, GETTEXT_PACKAGE);
g_option_context_add_group (context, options);
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 path specified" ));
exit (1 );
}
if (g_strv_length (args) > 2 )
{
g_printerr ("%s\n" , _("Can only show one or two paths" ));
exit (1 );
}
path1 = get_path (args[0 ]);
if (g_strv_length (args) > 1 )
path2 = get_path (args[1 ]);
else
path2 = NULL;
fill_rule = get_enum_value (GSK_TYPE_FILL_RULE, _("fill rule" ), fill);
get_color (&fg, fg_color);
get_color (&bg, bg_color);
get_color (&pc, point_color);
get_color (&ic, intersection_color);
line_cap = get_enum_value (GSK_TYPE_LINE_CAP, _("line cap" ), cap);
line_join = get_enum_value (GSK_TYPE_LINE_JOIN, _("line join" ), join);
stroke = gsk_stroke_new (line_width);
gsk_stroke_set_line_cap (stroke, line_cap);
gsk_stroke_set_line_join (stroke, line_join);
gsk_stroke_set_miter_limit (stroke, miter_limit);
gsk_stroke_set_dash_offset (stroke, dash_offset);
_gsk_stroke_set_dashes (stroke, dashes);
show_path (path1, path2,
do_fill,
fill_rule,
stroke,
&fg, &bg, &pc, &ic,
show_points,
show_controls,
show_intersections,
zoom);
g_clear_pointer (&path1, gsk_path_unref);
g_clear_pointer (&path2, gsk_path_unref);
gsk_stroke_free (stroke);
g_strfreev (args);
}
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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