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authordscho <dscho>2001-12-08 16:54:45 +0000
committerdscho <dscho>2001-12-08 16:54:45 +0000
commit45a6c8f5fe1938a6cda9b1f06ebae829cce784d6 (patch)
treecf947a2f5b0d2d6319e6f67cc04edb3045860b15
parentd6717523becade3ab63d742cbb4f51029a571b6e (diff)
downloadlibtdevnc-45a6c8f5.tar.gz
libtdevnc-45a6c8f5.zip
start to probe single pixels for updates
-rw-r--r--x11vnc.c63
1 files changed, 55 insertions, 8 deletions
diff --git a/x11vnc.c b/x11vnc.c
index 7b4f9d6..690334c 100644
--- a/x11vnc.c
+++ b/x11vnc.c
@@ -1,4 +1,5 @@
-/* This file is part of LibVNCServer. It is a small clone of x0rfbserver by HexoNet, demonstrating the
+/* This file is part of LibVNCServer.
+ It is a small clone of x0rfbserver by HexoNet, demonstrating the
capabilities of LibVNCServer.
*/
@@ -216,6 +217,47 @@ void checkForImageUpdates(rfbScreenInfoPtr s,char *b,int rowstride,int x,int y,i
}
}
+int probeX=0,probeY=0;
+
+void probeScreen(rfbScreenInfoPtr s,int xscreen)
+{
+ int i,j,pixel,
+ bpp=s->rfbServerFormat.bitsPerPixel/8,mask=(1<<bpp)-1,
+ rstride=s->paddedWidthInBytes;
+ XImage* im;
+
+ probeX++;
+ if(probeX>=tileWidth) {
+ probeX=0;
+ probeY++;
+ if(probeY>=tileHeight)
+ probeY=0;
+ }
+
+ for(j=probeY;j<s->height;j+=tileHeight)
+ for(i=probeX;i<s->width;i+=tileWidth) {
+ im=XGetImage(dpy,window,i,j,1,1,AllPlanes,ZPixmap);
+ pixel=XGetPixel(im,0,0);
+ XDestroyImage(im);
+ if(!memcmp(&pixel,s->frameBuffer+i*bpp+j*rstride,bpp)) {
+ /* do update */
+ int i1,j1,x=i-probeX,w=(x+tileWidth>s->width)?s->width-x:tileWidth,
+ y=j-probeY,h=(y+tileHeight>s->height)?s->height-y:tileHeight;
+ //getImage(bpp,dpy,xscreen,&im,x,y,w,h);
+ im = XGetImage(dpy,window,x,y,w,h,AllPlanes,ZPixmap );
+ for(j1=0;j1<h;j1++)
+ memcpy(s->frameBuffer+x*bpp+(y+j1)*rstride,
+ im->data+j1*im->bytes_per_line,bpp*w);
+ //checkForImageUpdates(s,im->data,rstride,x,y,w,h);
+ //if(0 && !useSHM)
+ XDestroyImage(im);
+ //memcpy(s->frameBuffer+i*bpp+j*rstride,&pixel,bpp);
+ rfbMarkRectAsModified(s,x,y,x+w,y+h);
+ //fprintf(stderr,"%d:%d:%x\n",i,j,pixel);
+ }
+ }
+}
+
/* the main program */
int main(int argc,char** argv)
@@ -334,16 +376,21 @@ int main(int argc,char** argv)
c=0;
while(1) {
if(screen->rfbClientHead)
- maxMsecsToConnect = 5000;
- maxMsecsToConnect -= screen->rfbDeferUpdateTime;
- if(maxMsecsToConnect<0) {
- fprintf(stderr,"Maximum time to connect reached. Exiting.\n");
- XTestDiscard(dpy);
- exit(2);
+ maxMsecsToConnect = 1<<16;
+ else {
+ maxMsecsToConnect -= screen->rfbDeferUpdateTime;
+ if(maxMsecsToConnect<0) {
+ fprintf(stderr,"Maximum time to connect reached. Exiting.\n");
+ XTestDiscard(dpy);
+ exit(2);
+ }
}
rfbProcessEvents(screen,-1);
+#if 1
+ probeScreen(screen,xscreen);
+#else
if(gotInput) {
gotInput = FALSE;
c=updateCounter;
@@ -375,8 +422,8 @@ int main(int argc,char** argv)
} else
tileX+=tileWidth;
}
- //fprintf(stderr,"+");
}
+#endif
#ifdef WRITE_SNAPS
{
int i,j,r,g,b;