gimp/app/colormaps.h

71 lines
2.2 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __COLORMAPS_H__
#define __COLORMAPS_H__
#include "gimage.h" /* For the image types */
/* This is a macro for arranging the red, green, and blue components into
* a value acceptable to the target X server
*/
#define COLOR_COMPOSE(r,g,b) (lookup_red [r] | lookup_green [g] | lookup_blue [b])
extern GdkVisual *g_visual;
extern GdkColormap *g_cmap;
/* Pixel values of black and white */
extern gulong g_black_pixel;
extern gulong g_gray_pixel;
extern gulong g_white_pixel;
extern gulong g_color_pixel;
extern gulong g_normal_guide_pixel;
extern gulong g_active_guide_pixel;
/* Foreground and Background colors */
extern gulong foreground_pixel;
extern gulong background_pixel;
/* Old and New colors */
extern gulong old_color_pixel;
extern gulong new_color_pixel;
/* Colormap entries reserved for color cycled marching ants--optional */
extern gulong marching_ants_pixels[8];
extern GtkDitherInfo *red_ordered_dither;
extern GtkDitherInfo *green_ordered_dither;
extern GtkDitherInfo *blue_ordered_dither;
extern GtkDitherInfo *gray_ordered_dither;
extern guchar ***ordered_dither_matrix;
extern gulong *g_lookup_red;
extern gulong *g_lookup_green;
extern gulong *g_lookup_blue;
extern gulong *color_pixel_vals;
extern gulong *gray_pixel_vals;
gulong get_color (int red, int green, int blue);
void store_color (gulong *pixel, int red, int green, int blue);
void get_standard_colormaps (void);
#endif /* __COLORMAPS_H__ */