home *** CD-ROM | disk | FTP | other *** search
- /*
- * 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
- *
- *-----------------------------------------------------------------------------------*/
-
- /*-----------------------------------------------------------------------------------*/
- /* Global defines */
- /*-----------------------------------------------------------------------------------*/
-
- #define SWAP(X,Y) {float t=X; X=Y; Y=t;}
-
- /*-----------------------------------------------------------------------------------*/
- /* used in 'rcm_callback.c' and 'rcm_dialog.c' */
- /*-----------------------------------------------------------------------------------*/
-
- float arctg(float y, float x);
-
- float min_prox(float alpha, float beta, float angle);
-
- float *closest(float *alpha, float *beta, float angle);
-
- float angle_mod_2PI(float angle);
-
- ReducedImage *rcm_reduce_image(GimpDrawable *, GimpDrawable *, gint, gint);
-
- void rcm_render_preview(GtkWidget *, gint);
-
- void rcm_render_circle(GtkWidget *preview, int sum, int margin);
-
- /*-----------------------------------------------------------------------------------*/
- /* only used in 'rcm.c' (or local) */
- /*-----------------------------------------------------------------------------------*/
-
- float rcm_angle_inside_slice(float angle, RcmAngle *slice);
-
- gint rcm_is_gray(float s);
-
- float rcm_linear(float, float, float, float, float);
-
- float rcm_left_end(RcmAngle *angle);
-
- float rcm_right_end(RcmAngle *angle);
-
- /*-----------------------------------------------------------------------------------*/
-