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