mirror of https://github.com/GNOME/gimp.git
78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
/*
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This is a plug-in for the GIMP.
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*
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* Colormap-Rotation plug-in. Exchanges two color ranges.
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*
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* Copyright (C) 1999 Sven Anders (anderss@fmi.uni-passau.de)
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* Based on code from Pavel Grinfeld (pavel@ml.com)
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*
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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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* Change log:
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*
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* Version 2.0, 04 April 1999.
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* Nearly complete rewrite, made plug-in stable.
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* (Works with GIMP 1.1 and GTK+ 1.2)
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*
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* Version 1.0, 27 March 1997.
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* Initial (unstable) release by Pavel Grinfeld
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*
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*----------------------------------------------------------------------------*/
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/* Global defines */
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#define SWAP(X,Y) {float t=X; X=Y; Y=t;}
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/* used in 'rcm_callback.c' and 'rcm_dialog.c' */
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float arctg (gfloat y,
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gfloat x);
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float min_prox (gfloat alpha,
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gfloat beta,
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gfloat angle);
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float *closest (gfloat *alpha,
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gfloat *beta,
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gfloat angle);
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float angle_mod_2PI (gfloat angle);
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ReducedImage *rcm_reduce_image (GimpDrawable *drawable,
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GimpDrawable *mask,
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gint longer_size,
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gint selection);
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void rcm_render_preview (GtkWidget *preview);
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void rcm_render_circle (GtkWidget *preview,
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gint sum,
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gint margin);
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/* only used in 'rcm.c' (or local) */
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float rcm_angle_inside_slice (float angle,
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RcmAngle *slice);
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gint rcm_is_gray (float s);
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float rcm_linear (float,
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float,
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float,
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float,
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float);
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float rcm_left_end (RcmAngle *angle);
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float rcm_right_end (RcmAngle *angle);
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