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#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdio.h>
#include <stdlib.h>
#include "stat.h"
#include <sys/types.h>
#include <unistd.h>
# include <sys/mman.h>
int main()
{
Display * display;
Window window;
Screen *ecran;
XImage *image;
FILE *f;
int x=0,y=0,popo1;
char *buffer=NULL;
int running = 1;
struct stat buf;
XEvent event;
printf("bug");
if (XInitThreads() == 0) {
printf("Error : initializing XInitThreads.\n" );
return 1;
}
display = XOpenDisplay(NULL);
if (display == NULL)
{
printf("Error : Cannot open display.\n" );
}
//ecran= DefaultScreenOfDisplay(display);
window = XCreateSimpleWindow(display,XDefaultRootWindow(display),0,0,800,600,0,0,0);
XSelectInput(display,window,ExposureMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask );
XMapWindow(display,window);
// charger l'image
f = fopen("decompressedbmp.bmp","rb" );
if (f == NULL)
{
printf("Error : loading image.\n" );
}
else
{
popo1=fileno(f);
fstat(popo1,&buf);
buffer=malloc(buf.st_size);
buffer=mmap((caddr_t)0,buf.st_size,PROT_EXEC|PROT_READ,MAP_SHARED,popo1,0);
}
if (buffer) {
image = XCreateImage(display, DefaultVisual(display,DefaultScreen(display)),24,ZPixmap,0,buffer,384,288,8,0);
}
while (running)
{
XNextEvent(display,&event);
switch (event.type) {
case ButtonPress :
if (image) {
XLockDisplay(display);
XPutImage(display,window,DefaultGC(display,DefaultScreen(display)),image,0,0,event.xbutton.x,event.xbutton.y,384,288);
XSync(display,0);
XUnlockDisplay(display);
}
break;
case KeyPress :
running = 0; // quitter
break;
}
}
if (image) {
XDestroyImage(image);
}
XUnmapWindow(display,window);
XDestroyWindow(display,window);
return 0;
} |
