diff options
Diffstat (limited to 'plug-ins/imagemap/imap_cmd_delete_point.c')
-rw-r--r-- | plug-ins/imagemap/imap_cmd_delete_point.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/plug-ins/imagemap/imap_cmd_delete_point.c b/plug-ins/imagemap/imap_cmd_delete_point.c new file mode 100644 index 0000000..1dd6092 --- /dev/null +++ b/plug-ins/imagemap/imap_cmd_delete_point.c @@ -0,0 +1,86 @@ +/* + * This is a plug-in for GIMP. + * + * Generates clickable image maps. + * + * Copyright (C) 1998-1999 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_polygon.h" + +#include "libgimp/stdplugins-intl.h" + +static CmdExecuteValue_t delete_point_command_execute(Command_t *parent); +static void delete_point_command_undo(Command_t *parent); + +static CommandClass_t delete_point_command_class = { + NULL, /* delete_point_command_destruct */ + delete_point_command_execute, + delete_point_command_undo, + NULL /* delete_point_command_redo */ +}; + +typedef struct { + Command_t parent; + Polygon_t *polygon; + GdkPoint *point; + GdkPoint copy; + gint position; +} DeletePointCommand_t; + +Command_t* +delete_point_command_new(Object_t *obj, GdkPoint *point) +{ + DeletePointCommand_t *command = g_new(DeletePointCommand_t, 1); + + command->polygon = ObjectToPolygon(obj); + command->point = point; + command->copy = *point; + command->position = g_list_index(command->polygon->points, + (gpointer) point); + return command_init(&command->parent, _("Delete Point"), + &delete_point_command_class); +} + +static CmdExecuteValue_t +delete_point_command_execute(Command_t *parent) +{ + DeletePointCommand_t *command = (DeletePointCommand_t*) parent; + Polygon_t *polygon = command->polygon; + GList *p = g_list_find(polygon->points, (gpointer) command->point); + + g_free(p->data); + polygon->points = g_list_remove_link(polygon->points, p); + return CMD_APPEND; +} + +static void +delete_point_command_undo(Command_t *parent) +{ + DeletePointCommand_t *command = (DeletePointCommand_t*) parent; + Polygon_t *polygon = command->polygon; + GdkPoint *point = &command->copy; + + command->point = new_point(point->x, point->y); + polygon->points = g_list_insert(polygon->points, (gpointer) command->point, + command->position); +} |