mirror of https://github.com/GNOME/gimp.git
145 lines
3.3 KiB
C
145 lines
3.3 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include "appenv.h"
|
|
#include "app_procs.h"
|
|
#include "gimpbrushlist.h"
|
|
#include "colormaps.h"
|
|
#include "errors.h"
|
|
#include "general.h"
|
|
#include "gimprc.h"
|
|
#include "gradient.h"
|
|
#include "palette.h"
|
|
#include "patterns.h"
|
|
#include "plug_in.h"
|
|
#include "temp_buf.h"
|
|
#include "tile_swap.h"
|
|
|
|
|
|
GdkVisual *g_visual = NULL;
|
|
GdkColormap *g_cmap = NULL;
|
|
|
|
gulong g_black_pixel;
|
|
gulong g_gray_pixel;
|
|
gulong g_white_pixel;
|
|
gulong g_color_pixel;
|
|
gulong g_normal_guide_pixel;
|
|
gulong g_active_guide_pixel;
|
|
|
|
gulong foreground_pixel;
|
|
gulong background_pixel;
|
|
|
|
gulong old_color_pixel;
|
|
gulong new_color_pixel;
|
|
|
|
gulong marching_ants_pixels[8];
|
|
|
|
static void make_color (gulong *pixel_ptr,
|
|
int red,
|
|
int green,
|
|
int blue,
|
|
int readwrite);
|
|
|
|
static void
|
|
set_app_colors (void)
|
|
{
|
|
cycled_marching_ants = FALSE;
|
|
|
|
make_color (&g_black_pixel, 0, 0, 0, FALSE);
|
|
make_color (&g_gray_pixel, 127, 127, 127, FALSE);
|
|
make_color (&g_white_pixel, 255, 255, 255, FALSE);
|
|
make_color (&g_color_pixel, 255, 255, 0, FALSE);
|
|
make_color (&g_normal_guide_pixel, 0, 127, 255, FALSE);
|
|
make_color (&g_active_guide_pixel, 255, 0, 0, FALSE);
|
|
|
|
store_color (&foreground_pixel, 0, 0, 0);
|
|
store_color (&background_pixel, 255, 255, 255);
|
|
store_color (&old_color_pixel, 0, 0, 0);
|
|
store_color (&new_color_pixel, 255, 255, 255);
|
|
|
|
}
|
|
|
|
/* This probably doesn't belong here - RLL*/
|
|
/* static unsigned int
|
|
gamma_correct (int intensity, double gamma)
|
|
{
|
|
unsigned int val;
|
|
double ind;
|
|
double one_over_gamma;
|
|
|
|
if (gamma != 0.0)
|
|
one_over_gamma = 1.0 / gamma;
|
|
else
|
|
one_over_gamma = 1.0;
|
|
|
|
ind = (double) intensity / 256.0;
|
|
val = (int) (256 * pow (ind, one_over_gamma));
|
|
|
|
return val;
|
|
} */
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
|
gulong
|
|
get_color (int red,
|
|
int green,
|
|
int blue)
|
|
{
|
|
return gdk_rgb_xpixel_from_rgb ((red << 16) | (green << 8) | blue);
|
|
}
|
|
|
|
|
|
static void
|
|
make_color (gulong *pixel_ptr,
|
|
int red,
|
|
int green,
|
|
int blue,
|
|
int readwrite)
|
|
{
|
|
*pixel_ptr = get_color (red, green, blue);
|
|
}
|
|
|
|
void
|
|
store_color (gulong *pixel_ptr,
|
|
int red,
|
|
int green,
|
|
int blue)
|
|
{
|
|
*pixel_ptr = get_color (red, green, blue);
|
|
}
|
|
|
|
|
|
void
|
|
get_standard_colormaps ()
|
|
{
|
|
GtkPreviewInfo *info;
|
|
|
|
gtk_widget_set_default_visual (gtk_preview_get_visual ());
|
|
gtk_widget_set_default_colormap (gtk_preview_get_cmap ());
|
|
|
|
info = gtk_preview_get_info ();
|
|
g_visual = info->visual;
|
|
|
|
g_cmap = info->cmap;
|
|
|
|
set_app_colors ();
|
|
}
|