mga_view.h

linux下显示各种格式图片

//#define VERSION "0.1.4 alpha by HelDoRe"
#define VERSION2 "\x1B[0;38m" VERSION " \x1B[0;0mbeta by \x1B[0;38mHelDoRe\x1B[0;0m"
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <inttypes.h>
#include <termio.h>
#include <linux/fb.h>
#include "mga_vid.h"
#include <config.h>
#ifdef USE_X
#include <X11/Xlib.h>
#include <X11/Xutil.h>
Display *display;
//char *displayname=NULL;
XVisualInfo visualinfo;
int screen_nr;
unsigned int resolution,bppixel;
Window window;
XEvent event;
Colormap colormap;
XTextProperty wintite;
Visual *visual;
XImage *image;
GC gc;

#endif



mga_vid_config_t config;
uint8_t *mga_vid_base,ori;
uint32_t is_g400;
#define ogr_x 7000
#define ogr_y 7000

char *mee,klawisz,*dest;
int tx,ty,tdepth,jaka,i,j,x,y,r,g,b,image_x,image_y,depth,tempi,f,kod,dodajx,dodajy,YU12,hx,hy,zmgm,obr,dir,x_org,y_org,fullscr,toob,zoom,grey,multi,trans,iksy;
float scale_x,scale_y,scale;
	FILE *plik;
//unsigned char tabr[2000*2000],tabg[2000*2000],tabb[2000*2000];
//unsigned char tab2r[2000*2000],tab2g[2000*2000],tab2b[2000*2000];
unsigned char *tabr,*tabg,*tabb;
unsigned char *tab2r,*tab2g,*tab2b;
uint8_t y_image[2000 * 2000];
uint8_t cr_image[1000 * 1000];
uint8_t cb_image[1000 * 1000];

char *fb_dev_name;
unsigned char *fb_mem;
unsigned char *fb_mem2;
int is_matrox;
int fb_dev_fd;
int start_zoom;
struct fb_var_screeninfo fb_vinfo;
struct fb_fix_screeninfo fb_fix;




#define RGB2YUV_SHIFT 8
#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))

#define fgetc32(f) (fgetc(f)<<24) | (fgetc(f)<<16) | (fgetc(f)<<8) | fgetc(f)
#define fgetc16(f) (fgetc(f)<<8) | fgetc(f)

#define fgetc32b(f)  fgetc(f) | (fgetc(f)<<8) | (fgetc(f)<<16) | (fgetc(f)<<24)
#define fgetc16b(f)  fgetc(f) | (fgetc(f)<<8)



int check_image(int ix,int iy,int id);
void rotate_img();