colors.h

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/*
 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 */
#pragma once
 
#include <l4/sys/compiler.h>
 
typedef struct l4re_video_color_component_t
{
  unsigned char size;                     
  unsigned char shift;                    
} __attribute__((packed)) l4re_video_color_component_t;
 
typedef struct l4re_video_pixel_info_t
{
  l4re_video_color_component_t r, g, b, a; 
  unsigned char bytes_per_pixel;           
} l4re_video_pixel_info_t;
 
EXTERN_C_BEGIN
 
L4_INLINE L4_CV int
l4re_video_bits_per_pixel(l4re_video_pixel_info_t *p) L4_NOTHROW;
 
/* ************************************************************** */
/* Implementations */
 
L4_INLINE L4_CV int
l4re_video_bits_per_pixel(l4re_video_pixel_info_t *p) L4_NOTHROW
{
  return p->r.size + p->b.size + p->g.size + p->a.size;
}
 
EXTERN_C_END