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- /*
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * This is a plug-in for the GIMP.
- *
- * Colormap-Rotation plug-in. Exchanges two color ranges.
- *
- * Copyright (C) 1999 Sven Anders (anderss@fmi.uni-passau.de)
- * Based on code from Pavel Grinfeld (pavel@ml.com)
- *
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- /*---------------------------------------------------------------------------
- * Change log:
- *
- * Version 2.0, 04 April 1999.
- * Nearly complete rewrite, made plug-in stable.
- * (Works with GIMP 1.1 and GTK+ 1.2)
- *
- * Version 1.0, 27 March 1997.
- * Initial (unstable) release by Pavel Grinfeld
- *
- *---------------------------------------------------------------------------*/
-
- /*---------------------------------------------------------------------------*/
- /* Misc functions */
- /*---------------------------------------------------------------------------*/
-
- float rcm_units_factor(gint units);
-
- gchar *rcm_units_string(gint units);
-
- void rcm_set_pixmap(GtkWidget **widget, GtkWidget *parent,
- GtkWidget *label_box, char **pixmap_data);
-
- /*---------------------------------------------------------------------------*/
- /* Ok Button */
- /*---------------------------------------------------------------------------*/
-
- void rcm_ok_callback(GtkWidget *widget, gpointer data);
-
- /*---------------------------------------------------------------------------*/
- /* Circle buttons */
- /*---------------------------------------------------------------------------*/
-
- void rcm_360_degrees(GtkWidget *button, RcmCircle *circle);
-
- void rcm_cw_ccw(GtkWidget *button, RcmCircle *circle);
-
- void rcm_a_to_b(GtkWidget *button, RcmCircle *circle);
-
- /*---------------------------------------------------------------------------*/
- /* Misc: units buttons */
- /*---------------------------------------------------------------------------*/
-
- void rcm_switch_to_degrees(GtkWidget *button, gpointer *value);
-
- void rcm_switch_to_radians(GtkWidget *button, gpointer *value);
-
- void rcm_switch_to_radians_over_PI(GtkWidget *button, gpointer *value);
-
- /*---------------------------------------------------------------------------*/
- /* Misc: Gray: mode buttons */
- /*---------------------------------------------------------------------------*/
-
- void rcm_switch_to_gray_to(GtkWidget *button, gpointer *value);
-
- void rcm_switch_to_gray_from(GtkWidget *button, gpointer *value);
-
- /*---------------------------------------------------------------------------*/
- /* Misc: Preview buttons */
- /*---------------------------------------------------------------------------*/
-
- void rcm_preview_as_you_drag(GtkWidget *button, gpointer *value);
-
- void rcm_selection_in_context(GtkWidget *button, gpointer *value);
-
- void rcm_selection(GtkWidget *button, gpointer *value);
-
- void rcm_entire_image(GtkWidget *button, gpointer *value);
-
- /*---------------------------------------------------------------------------*/
- /* Circle events */
- /*---------------------------------------------------------------------------*/
-
- gint rcm_expose_event(GtkWidget *widget, GdkEvent *event, RcmCircle *circle);
-
- gint rcm_button_press_event(GtkWidget *widget, GdkEvent *event, RcmCircle *circle);
-
- gint rcm_release_event(GtkWidget *widget, GdkEvent *event, RcmCircle *circle);
-
- gint rcm_motion_notify_event(GtkWidget *widget, GdkEvent *event, RcmCircle *circle);
-
- /*---------------------------------------------------------------------------*/
- /* Gray circle events */
- /*---------------------------------------------------------------------------*/
-
- gint rcm_gray_expose_event(GtkWidget *widget, GdkEvent *event, RcmGray *circle);
-
- gint rcm_gray_button_press_event(GtkWidget *widget, GdkEvent *event, RcmGray *circle);
-
- gint rcm_gray_release_event(GtkWidget *widget, GdkEvent *event, RcmGray *circle);
-
- gint rcm_gray_motion_notify_event(GtkWidget *widget, GdkEvent *event, RcmGray *circle);
-
- /*---------------------------------------------------------------------------*/
- /* Spinbuttons */
- /*---------------------------------------------------------------------------*/
-
- void rcm_set_alpha(GtkWidget *entry, gpointer data);
-
- void rcm_set_beta(GtkWidget *entry, gpointer data);
-
- void rcm_set_hue(GtkWidget *entry, gpointer data);
-
- void rcm_set_satur(GtkWidget *entry, gpointer data);
-
- void rcm_set_gray_sat(GtkWidget *entry, gpointer data);
-
- /*---------------------------------------------------------------------------*/
-