fb_raw.h

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#ifndef _FB_RAW_H__
#define _FB_RAW_H__

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdarg.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <linux/vt.h>
#include <linux/kd.h>
#include <linux/fb.h>
#include <arpa/inet.h>
#include "font.h"

struct fb_data {
    char* fbdevice;                 
    int fb_fd;                      
    struct fb_fix_screeninfo fix;   
    struct fb_var_screeninfo var;   
    unsigned char *fbuffer;         
    unsigned char **line_addr;      
    int bytes_per_pixel;            
    unsigned int colormap [256];    
};
#define XORMODE 0x80000000          

union multiptr
{
    unsigned char *p8;      
    unsigned short *p16;    
    unsigned long *p32;     
};
#ifdef __cplusplus
extern "C"
{
#endif

    int open_framebuffer(char *dev, struct fb_data *f_data);
    
    void close_framebuffer(struct fb_data *f_data);

    void line(struct fb_data *f_data, int x1, int y1, int x2, int y2, unsigned colidx);

    void put_string(struct fb_data *f_data, int x, int y, char *s, unsigned colidx);
        
    void rect(struct fb_data *f_data, int x1, int y1, int x2, int y2, unsigned colidx);
    
    void fillrect(struct fb_data *f_data, int x1, int y1, int x2, int y2, unsigned colidx);
    
    void put_string_center(struct fb_data *f_data, int x, int y, char *s, unsigned colidx);
    
    void setcolor(struct fb_data *f_data, unsigned colidx, unsigned value);
    
    void progress_bar(struct fb_data *f_data, int progress, const char *fmt, ...);

    void put_cross(struct fb_data *f_data, int x, int y, unsigned colidx);

    int show_bmp(const char *fbp, struct fb_var_screeninfo *scrinfo, const char *bmpname);
    
    void *get_framebuffer(const char *dev, int *size);

    void free_framebuffer(void *buff, int size);
#ifdef __cplusplus
}
#endif
#endif