mirror of https://github.com/GNOME/gimp.git
62 lines
2.0 KiB
C
62 lines
2.0 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 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 3 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, see <http://www.gnu.org/licenses/>.
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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 RADIUS 60
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#define MARGIN 4
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#define SUM (2*RADIUS + 2*MARGIN)
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#define CENTER (SUM/2)
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#define GRAY_RADIUS 60
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#define GRAY_MARGIN 3
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#define GRAY_SUM (2*GRAY_RADIUS + 2*GRAY_MARGIN)
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#define GRAY_CENTER (GRAY_SUM/2)
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#define LITTLE_RADIUS 3
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#define EACH_OR_BOTH 0.3
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void color_rotate_draw_little_circle (cairo_t *cr,
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gfloat hue,
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gfloat satur);
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void color_rotate_draw_large_circle (cairo_t *cr,
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gfloat gray_sat);
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void color_rotate_draw_arrows (cairo_t *cr,
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RcmAngle *angle);
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