1997-11-25 06:05:25 +08:00
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/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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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1998-04-13 13:44:11 +08:00
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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1997-11-25 06:05:25 +08:00
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*/
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#ifndef __COLORMAPS_H__
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#define __COLORMAPS_H__
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#include "gimage.h" /* For the image types */
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/* This is a macro for arranging the red, green, and blue components into
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* a value acceptable to the target X server
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*/
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#define COLOR_COMPOSE(r,g,b) (lookup_red [r] | lookup_green [g] | lookup_blue [b])
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extern GdkVisual *g_visual;
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extern GdkColormap *g_cmap;
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/* Pixel values of black and white */
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extern gulong g_black_pixel;
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extern gulong g_gray_pixel;
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extern gulong g_white_pixel;
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extern gulong g_color_pixel;
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extern gulong g_normal_guide_pixel;
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extern gulong g_active_guide_pixel;
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/* Foreground and Background colors */
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extern gulong foreground_pixel;
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extern gulong background_pixel;
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/* Old and New colors */
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extern gulong old_color_pixel;
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extern gulong new_color_pixel;
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/* Colormap entries reserved for color cycled marching ants--optional */
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extern gulong marching_ants_pixels[8];
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extern GtkDitherInfo *red_ordered_dither;
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extern GtkDitherInfo *green_ordered_dither;
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extern GtkDitherInfo *blue_ordered_dither;
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extern GtkDitherInfo *gray_ordered_dither;
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extern guchar ***ordered_dither_matrix;
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extern gulong *g_lookup_red;
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extern gulong *g_lookup_green;
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extern gulong *g_lookup_blue;
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extern gulong *color_pixel_vals;
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extern gulong *gray_pixel_vals;
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gulong get_color (int red, int green, int blue);
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void store_color (gulong *pixel, int red, int green, int blue);
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void get_standard_colormaps (void);
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#endif /* __COLORMAPS_H__ */
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