fb.h

在linux framebuffer上显示模拟的动态水波效果

#ifndef _FB_H
#include <linux/fb.h>

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <asm/types.h>
#include <string.h>
#include <errno.h>
#include <sys/mman.h>

#define DEFAULT_FRAMEBUFFER     "/dev/fb0"

typedef struct FRAMEBUFFER {
	int fbh;
	unsigned char *fbmem;
	unsigned char *fbclone;
	unsigned int fbsize;
	struct fb_var_screeninfo fbinfo;
	int (*init)(void);
	void (*release)(void);
	void (*snap)(void);
	void (*refresh)(void);
	void (*blit)(unsigned char *image, int x, int y, int width, int height);
	void *(*convert)(unsigned char *rgbbuff, unsigned long count, int bpp);
} FRAMEBUFFER;

FRAMEBUFFER *fb;

int fb_init();
void fb_release();
void fb_snap();
void fb_refresh();
void fb_clear();
void fb_blit(unsigned char *image, int x, int y, int width, int height);
void *fb_convert(unsigned char *rgbbuff, unsigned long count, int bpp);

#endif