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gtk/tools/gtk-path-tool-show.c
Matthias Clasen 1e9e8d24c3 path-tool: Add a --point-color option
2023-09-03 23:47:10 +02:00

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/* 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_fill (GskPath *path,
GskFillRule fill_rule,
const GdkRGBA *fg_color,
const GdkRGBA *bg_color,
gboolean show_points,
gboolean show_controls,
const GdkRGBA *point_color)
{
GtkWidget *window, *sw, *child;
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), _("Path Preview"));
// gtk_window_set_default_size (GTK_WINDOW (window), 700, 500);
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 = path_view_new (path);
g_object_set (child,
"do-fill", TRUE,
"fill-rule", fill_rule,
"fg-color", fg_color,
"bg-color", bg_color,
"show-points", show_points,
"show-controls", show_controls,
"point-color", point_color,
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);
}
static void
show_path_stroke (GskPath *path,
GskStroke *stroke,
const GdkRGBA *fg_color,
const GdkRGBA *bg_color,
gboolean show_points,
gboolean show_controls,
const GdkRGBA *point_color)
{
GtkWidget *window, *sw, *child;
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), _("Path Preview"));
// gtk_window_set_default_size (GTK_WINDOW (window), 700, 500);
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 = path_view_new (path);
g_object_set (child,
"do-fill", FALSE,
"stroke", stroke,
"fg-color", fg_color,
"bg-color", bg_color,
"show-points", show_points,
"show-controls", show_controls,
"point-color", point_color,
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_stroke = FALSE;
gboolean show_points = FALSE;
gboolean show_controls = FALSE;
const char *fill = "winding";
const char *fg_color = "black";
const char *bg_color = "white";
const char *point_color = "red";
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, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &do_stroke, N_("Fill the path (the default)"), NULL },
{ "stroke", 0, 0, G_OPTION_ARG_NONE, &do_stroke, 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 },
{ "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") },
{ 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, arcs)"), 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 *path;
GskFillRule fill_rule;
GdkRGBA fg, bg, pc;
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) > 1)
{
g_printerr ("%s\n", _("Can only show a single path"));
exit (1);
}
path = get_path (args[0]);
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);
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);
if (do_stroke)
show_path_stroke (path, stroke, &fg, &bg, show_points, show_controls, &pc);
else
show_path_fill (path, fill_rule, &fg, &bg, show_points, show_controls, &pc);
gsk_path_unref (path);
g_strfreev (args);
}
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