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/*
* This file is part of the XForms library package.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* This file is part of the XForms library package.
* Copyright (c) 1997-2002 T.C. Zhao
* All rights reserved.
*
* search the rgb.txt database for a specific color
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "include/forms.h"
#include "flimage.h"
/***************************************
* This function is retained for compatibility reasons only.
* It returns 1 always.
***************************************/
int
fl_init_RGBdatabase( const char * f FL_UNUSED_ARG )
{
return 1;
}
/***************************************
* A new implementation from Rouben Rostamian
* Changed to make it work with machines that a color depth of 32 bit
* but only 24 planes. It's a bit slow because each time the two colors
* are queried but I did have any better idea at the moment how to figure
* out how many bits the red, green and blue members of the XColor
* structure have in every possible case and this looked like the
* safest method... JTT
***************************************/
int fl_lookup_RGBcolor( const char * colname,
int * r,
int * g,
int * b )
{
XColor xc;
XColor w;
if ( XParseColor( fl_display, fl_state[ fl_vmode ].colormap,
"rgb:ffff/ffff/ffff", &w ) == 0
|| XParseColor( fl_display, fl_state[ fl_vmode ].colormap,
colname, &xc ) == 0 )
return -1;
*r = ( ( xc.red << 8 ) - 1 ) / w.red;
*g = ( ( xc.green << 8 ) - 1 ) / w.green;
*b = ( ( xc.blue << 8 ) - 1 ) / w.blue;
return 0;
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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