bmp.h

在linux framebuffer上显示模拟的动态水波效果

#ifndef BMP__H
#define BMP__H

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#define BMP_TORASTER_OFFSET	10
#define BMP_SIZE_OFFSET		18
#define BMP_BPP_OFFSET		28
#define BMP_RLE_OFFSET		30
#define BMP_COLOR_OFFSET	54

#define FH_ERROR_OK 0
#define FH_ERROR_FILE 1			/* read/access error */
#define FH_ERROR_FORMAT 2		/* file format error */
#define fill4B(a)	( ( 4 - ( (a) % 4 ) ) & 0x03)

struct color {
	unsigned char red;
	unsigned char green;
	unsigned char blue;
};

extern void *fb_convert(unsigned char *rgbbuff, unsigned long count,
						int bpp);
extern int fh_bmp_load(char *name, unsigned char *buffer, int x, int y);
extern int fh_bmp_id(char *name);
extern int fh_bmp_getsize(char *name, int *x, int *y);

#endif	//BMP__H