Bitmap.h

//
// bitmap.h
//
// header file for MS bitmap format
//
//

#ifndef BITMAP_H
#define BITMAP_H

#include <stdio.h>
#include <string.h>

#define BMP_BI_RGB        0L

typedef unsigned short	BMP_WORD; 
typedef unsigned int	BMP_DWORD; 
typedef int				BMP_LONG; 
 
 #pragma pack(push , 1) //Header uses 1 byte alignment (packed)

typedef struct { 
	BMP_WORD	bfType; 
	BMP_DWORD	bfSize; 
	BMP_WORD	bfReserved1; 
	BMP_WORD	bfReserved2; 
	BMP_DWORD	bfOffBits; 
} BMP_BITMAPFILEHEADER; 
 
typedef struct { 
	BMP_DWORD	biSize; 
	BMP_LONG	biWidth; 
	BMP_LONG	biHeight; 
	BMP_WORD	biPlanes; 
	BMP_WORD	biBitCount; 
	BMP_DWORD	biCompression; 
	BMP_DWORD	biSizeImage; 
	BMP_LONG	biXPelsPerMeter; 
	BMP_LONG	biYPelsPerMeter; 
	BMP_DWORD	biClrUsed; 
	BMP_DWORD	biClrImportant; 
} BMP_BITMAPINFOHEADER; 

#pragma pack(pop)

// global I/O routines
extern unsigned char* readBMP( char* fname, int& width, int& height );
extern void writeBMP( char* iname, int width, int height, unsigned char* data ); 

#endif