Added functionality to create an imagemap using the standard GIMP guides, kindly requested by carol :)
This commit is contained in:
Maurits Rijk
261
plug-ins/imagemap/imap_cmd_gimp_guides.c
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261
plug-ins/imagemap/imap_cmd_gimp_guides.c
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/*
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* This is a plug-in for the GIMP.
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*
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* Generates clickable image maps.
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*
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* Copyright (C) 1998-2002 Maurits Rijk lpeek.mrijk@consunet.nl
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <stdio.h>
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#include <gtk/gtk.h>
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#include <libgimp/gimp.h>
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#include "imap_cmd_create.h"
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#include "imap_default_dialog.h"
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#include "imap_cmd_gimp_guides.h"
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#include "imap_main.h"
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#include "imap_rectangle.h"
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#include "imap_table.h"
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#include "libgimp/stdplugins-intl.h"
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typedef struct {
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DefaultDialog_t *dialog;
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ObjectList_t *list;
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GimpDrawable *drawable;
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GtkWidget *alternate;
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GtkWidget *all;
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GtkWidget *left_border;
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GtkWidget *right_border;
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GtkWidget *upper_border;
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GtkWidget *lower_border;
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GtkWidget *url;
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} GimpGuidesDialog_t;
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static gint
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guide_sort_func(gconstpointer a, gconstpointer b)
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{
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return GPOINTER_TO_INT(a) - GPOINTER_TO_INT(b);
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}
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static void
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gimp_guides_ok_cb(gpointer data)
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{
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GimpGuidesDialog_t *param = (GimpGuidesDialog_t*) data;
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gint guide_num;
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GSList *hguides, *hg;
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GSList *vguides, *vg;
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gboolean all;
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const gchar *url;
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gint32 image_ID = gimp_drawable_image(param->drawable->drawable_id);
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/* First get some dialog values */
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all = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(param->all));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(param->left_border)))
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vguides = g_slist_append(NULL, GINT_TO_POINTER(0));
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else
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vguides = NULL;
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(param->right_border)))
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vguides = g_slist_append(vguides,
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GINT_TO_POINTER(gimp_image_width(image_ID)));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(param->upper_border)))
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hguides = g_slist_append(NULL, GINT_TO_POINTER(0));
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else
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hguides = NULL;
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(param->lower_border)))
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hguides = g_slist_append(hguides,
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GINT_TO_POINTER(gimp_image_height(image_ID)));
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url = gtk_entry_get_text(GTK_ENTRY(param->url));
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/* Next get all the GIMP guides */
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guide_num = gimp_image_find_next_guide(image_ID, 0);
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while (guide_num > 0) {
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gint position = gimp_image_get_guide_position(image_ID, guide_num);
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if (gimp_image_get_guide_orientation(image_ID, guide_num)
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== GIMP_HORIZONTAL) {
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hguides = g_slist_insert_sorted(hguides, GINT_TO_POINTER(position),
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guide_sort_func);
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} else { /* GIMP_VERTICAL */
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vguides = g_slist_insert_sorted(vguides, GINT_TO_POINTER(position),
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guide_sort_func);
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}
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guide_num = gimp_image_find_next_guide(image_ID, guide_num);
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}
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/* Create the areas */
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subcommand_start(_("Use Gimp Guides"));
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for (hg = hguides; hg && hg->next;
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hg = (all) ? hg->next : hg->next->next) {
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gint y = GPOINTER_TO_INT(hg->data);
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gint height = GPOINTER_TO_INT(hg->next->data) - y;
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for (vg = vguides; vg && vg->next;
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vg = (all) ? vg->next : vg->next->next) {
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gint x = GPOINTER_TO_INT(vg->data);
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gint width = GPOINTER_TO_INT(vg->next->data) - x;
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Object_t *obj = create_rectangle(x, y, width, height);
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Command_t *command = create_command_new(param->list, obj);
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object_set_url(obj, url);
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command_execute(command);
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}
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}
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subcommand_end();
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redraw_preview();
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}
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static GimpGuidesDialog_t*
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make_gimp_guides_dialog(void)
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{
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GimpGuidesDialog_t *data = g_new(GimpGuidesDialog_t, 1);
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DefaultDialog_t *dialog;
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GtkWidget *table, *frame, *hbox, *vbox;
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GtkWidget *label;
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dialog = data->dialog = make_default_dialog(_("Use Gimp Guides"));
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default_dialog_set_ok_cb(dialog, gimp_guides_ok_cb, data);
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table = default_dialog_add_table(dialog, 3, 2);
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frame = gtk_frame_new(_("Create"));
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gtk_widget_show(frame);
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gtk_table_attach_defaults(GTK_TABLE(table), frame, 0, 1, 0, 1);
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hbox = gtk_hbox_new(FALSE, 1);
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gtk_container_add(GTK_CONTAINER(frame), hbox);
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gtk_widget_show(hbox);
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data->alternate =
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gtk_radio_button_new_with_mnemonic_from_widget(NULL, _("Al_ternate"));
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gtk_box_pack_start(GTK_BOX(hbox), data->alternate, TRUE, TRUE, 10);
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gtk_widget_show(data->alternate);
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data->all = gtk_radio_button_new_with_mnemonic_from_widget(
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GTK_RADIO_BUTTON(data->alternate), _("A_ll"));
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gtk_box_pack_start(GTK_BOX(hbox), data->all, TRUE, TRUE, 10);
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gtk_widget_show(data->all);
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frame = gtk_frame_new(_("Add Additional Guides"));
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gtk_widget_show(frame);
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gtk_table_attach_defaults(GTK_TABLE(table), frame, 0, 1, 1, 2);
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vbox = gtk_vbox_new(FALSE, 1);
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gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);
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gtk_container_add(GTK_CONTAINER(frame), vbox);
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gtk_widget_show(vbox);
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data->left_border = gtk_check_button_new_with_mnemonic(_("L_eft Border"));
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gtk_container_add(GTK_CONTAINER(vbox), data->left_border);
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gtk_widget_show(data->left_border);
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data->right_border = gtk_check_button_new_with_mnemonic(_("_Right Border"));
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gtk_container_add(GTK_CONTAINER(vbox), data->right_border);
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gtk_widget_show(data->right_border);
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data->upper_border = gtk_check_button_new_with_mnemonic(_("_Upper Border"));
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gtk_container_add(GTK_CONTAINER(vbox), data->upper_border);
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gtk_widget_show(data->upper_border);
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data->lower_border = gtk_check_button_new_with_mnemonic(_("Lo_wer Border"));
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gtk_container_add(GTK_CONTAINER(vbox), data->lower_border);
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gtk_widget_show(data->lower_border);
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hbox = gtk_hbox_new(FALSE, 1);
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gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
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gtk_table_attach_defaults(GTK_TABLE(table), hbox, 0, 2, 2, 3);
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gtk_widget_show(hbox);
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label = gtk_label_new_with_mnemonic(_("_Base URL:"));
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gtk_widget_show(label);
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gtk_container_add(GTK_CONTAINER(hbox), label);
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data->url = gtk_entry_new();
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gtk_container_add(GTK_CONTAINER(hbox), data->url);
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gtk_widget_show(data->url);
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return data;
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}
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static void
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init_gimp_guides_dialog(GimpGuidesDialog_t *dialog, ObjectList_t *list,
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GimpDrawable *drawable)
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{
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dialog->list = list;
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dialog->drawable = drawable;
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}
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static void
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do_create_gimp_guides_dialog(ObjectList_t *list, GimpDrawable *drawable)
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{
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static GimpGuidesDialog_t *dialog;
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if (!dialog)
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dialog = make_gimp_guides_dialog();
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init_gimp_guides_dialog(dialog, list, drawable);
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default_dialog_show(dialog->dialog);
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}
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static CmdExecuteValue_t gimp_guides_command_execute(Command_t *parent);
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static CommandClass_t gimp_guides_command_class = {
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NULL, /* guides_command_destruct */
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gimp_guides_command_execute,
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NULL, /* guides_command_undo */
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NULL /* guides_command_redo */
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};
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typedef struct {
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Command_t parent;
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ObjectList_t *list;
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GimpDrawable *drawable;
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} GimpGuidesCommand_t;
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Command_t*
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gimp_guides_command_new(ObjectList_t *list, GimpDrawable *drawable)
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{
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GimpGuidesCommand_t *command = g_new(GimpGuidesCommand_t, 1);
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command->list = list;
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command->drawable = drawable;
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return command_init(&command->parent, _("Use Gimp Guides"),
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&gimp_guides_command_class);
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}
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static CmdExecuteValue_t
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gimp_guides_command_execute(Command_t *parent)
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{
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GimpGuidesCommand_t *command = (GimpGuidesCommand_t*) parent;
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do_create_gimp_guides_dialog(command->list, command->drawable);
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return CMD_DESTRUCT;
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}
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