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/*
*
* This is an example of how to use libvncserver.
*
* libvncserver example
* Copyright (C) 2001 Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <stdio.h>
#include <netinet/in.h>
#ifdef __IRIX__
#include <netdb.h>
#endif
#define XK_MISCELLANY
#include "rfb.h"
#include "keysymdef.h"
const int maxx=640, maxy=480, bpp=4;
void initBuffer(char* buffer)
{
int i,j;
for(i=0;i<maxx;++i)
for(j=0;j<maxy;++j) {
buffer[(j*maxx+i)*bpp]=i*256/maxx;
buffer[(j*maxx+i)*bpp+1]=j*256/maxy;
buffer[(j*maxx+i)*bpp+2]=(i+j)*256/(maxx*maxy);
buffer[(j*maxx+i)*bpp+3]=(i-j)*256/(maxx*maxy);
}
}
void doptr(int buttonMask,int x,int y,rfbClientPtr cl)
{
if(buttonMask && x>=0 && y>=0 && x<maxx && y<maxy) {
int i,j,x1,x2,y1,y2;
x1=x-buttonMask; if(x1<0) x1=0;
x2=x+buttonMask; if(x2>maxx) x2=maxx;
y1=y-buttonMask; if(y1<0) y1=0;
y2=y+buttonMask; if(y2>maxy) y2=maxy;
for(i=x1*bpp;i<x2*bpp;i++)
for(j=y1;j<y2;j++)
cl->screen->frameBuffer[j*cl->screen->paddedWidthInBytes+i]=0xff;
rfbMarkRectAsModified(cl->screen,x1,y1,x2,y2);
rfbGotXCutText(cl->screen,"Hallo",5);
}
}
void dokey(Bool down,KeySym key,rfbClientPtr cl)
{
if(down && key==XK_Escape)
rfbCloseClient(cl);
else if(down && key=='c') {
initBuffer(cl->screen->frameBuffer);
rfbMarkRectAsModified(cl->screen,0,0,maxx,maxy);
}
}
int main(int argc,char** argv)
{
rfbScreenInfoPtr rfbScreen = rfbDefaultScreenInit(argc,argv);
rfbScreen->desktopName="LibVNCServer Example";
rfbScreen->frameBuffer = (char*)malloc(maxx*maxy*bpp);
rfbScreen->width=maxx;
rfbScreen->height=maxy;
rfbScreen->paddedWidthInBytes=maxx*bpp;
rfbScreen->ptrAddEvent=doptr;
rfbScreen->kbdAddEvent=dokey;
initBuffer(rfbScreen->frameBuffer);
runEventLoop(rfbScreen,40000,FALSE);
runEventLoop(rfbScreen,40000,TRUE);
while(1);
return(0);
}
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