File content as of revision 0:4977187e90c7:

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support  -  ROUSSET  -
 * ----------------------------------------------------------------------------
 * Copyright (c) 2006, Atmel Corporation

 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaiimer below.
 * 
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the disclaimer below in the documentation and/or
 * other materials provided with the distribution. 
 * 
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission. 
 * 
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ----------------------------------------------------------------------------
 */

#ifndef BMP_H
#define BMP_H

//------------------------------------------------------------------------------
//         Exported types
//------------------------------------------------------------------------------

struct BMPHeader {

    unsigned short type;
    unsigned int fileSize;
    unsigned short reserved1;
    unsigned short reserved2;
    unsigned int offset;
    unsigned int headerSize;
    unsigned int width;
    unsigned int height;
    unsigned short planes;
    unsigned short bits;
    unsigned int compression;
    unsigned int imageSize;
    unsigned int xresolution;
    unsigned int yresolution;
    unsigned int ncolours;
    unsigned int importantcolours;

} __attribute__ ((packed));

//------------------------------------------------------------------------------
//         Exported functions
//------------------------------------------------------------------------------

extern unsigned char BMP_IsValid(void *file);

extern unsigned int BMP_GetFileSize(void *file);

extern unsigned char BMP_Decode(
    void *file,
    unsigned char *buffer,
    unsigned int width,
    unsigned int height,
    unsigned char bpp,
    unsigned char target_bpp); // 16 or 24

#endif //#ifndef BMP_H