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/* ****************************************************************************
 * pixel_test.c -- Get a pixel's value.
 * Copyright (C) 2011 Pierre "PierrotLL" Le Gall <legallpierre89@gmail.com>
 * Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of the 'casiowin/monochromelib' module,
 * in libcarrot, an experimental modular libc project.
 *
 * This file 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 3 of the License, or (at your option)
 * any later version.
 *
 * This file 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 Lesser Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this file.  If not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************* */
#include <monochrome.h>

ML_Color ML_pixel_test(int x, int y)
{
	char *vram, byte;
	if(x&~127 || y&~63) return ML_TRANSPARENT;
	vram = ML_vram_adress();
	byte = 1<<(7-(x&7));
	return (vram[(y<<4)+(x>>3)] & byte ? ML_BLACK : ML_WHITE);
	
}