1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* This is a plug-in for GIMP.
*
* Generates clickable image maps.
*
* Copyright (C) 1998-2003 Maurits Rijk lpeek.mrijk@consunet.nl
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <gtk/gtk.h>
#include "imap_commands.h"
#include "imap_main.h"
#include "imap_polygon.h"
#include "libgimp/stdplugins-intl.h"
static CmdExecuteValue_t insert_point_command_execute(Command_t *parent);
static void insert_point_command_undo(Command_t *parent);
static CommandClass_t insert_point_command_class = {
NULL, /* insert_point_command_destruct */
insert_point_command_execute,
insert_point_command_undo,
NULL /* insert_point_command_redo */
};
typedef struct {
Command_t parent;
Polygon_t *polygon;
gint x;
gint y;
gint edge;
gint position;
} InsertPointCommand_t;
Command_t*
insert_point_command_new(Object_t *obj, gint x, gint y, gint edge)
{
InsertPointCommand_t *command = g_new(InsertPointCommand_t, 1);
command->polygon = ObjectToPolygon(obj);
command->x = x;
command->y = y;
command->edge = edge;
return command_init(&command->parent, _("Insert Point"),
&insert_point_command_class);
}
static CmdExecuteValue_t
insert_point_command_execute(Command_t *parent)
{
InsertPointCommand_t *command = (InsertPointCommand_t*) parent;
Polygon_t *polygon = command->polygon;
GdkPoint *point = new_point(command->x, command->y);
if (g_list_length(polygon->points) == command->edge - 1) {
polygon->points = g_list_append(polygon->points, (gpointer) point);
command->position = command->edge - 1;
} else {
polygon->points = g_list_insert(polygon->points, (gpointer) point,
command->edge);
command->position = command->edge;
}
preview_redraw();
return CMD_APPEND;
}
static void
insert_point_command_undo(Command_t *parent)
{
InsertPointCommand_t *command = (InsertPointCommand_t*) parent;
Polygon_t *polygon = command->polygon;
GList *p = g_list_nth(polygon->points, command->position);
g_free(p->data);
polygon->points = g_list_remove_link(polygon->points, p);
preview_redraw(); /* Fix me! */
}
|
