1 #ifdef __STRICT_ANSI__ 2 #define _BSD_SOURCE 3 #endif 4 #include <rfb/rfb.h> 5 #include <math.h> 6 7 static void initBackground(rfbScreenInfoPtr server) 8 { 9 unsigned int i,j; 10 11 for(i=0;i<server->width;i++) 12 for(j=0;j<server->height;j++) { 13 server->frameBuffer[(j*server->width+i)*4+0]=i&0xff; 14 server->frameBuffer[(j*server->width+i)*4+1]=j&0xff; 15 server->frameBuffer[(j*server->width+i)*4+2]=(i*j)&0xff; 16 } 17 } 18 19 int main(int argc,char** argv) 20 { 21 int width=400,height=300,w=20,x,y; 22 double r,phi=0; 23 24 rfbScreenInfoPtr server=rfbGetScreen(&argc,argv,width,height,8,3,4); 25 if(!server) 26 return 0; 27 server->frameBuffer=(char*)malloc(width*height*4); 28 initBackground(server); 29 server->deferUpdateTime=0; 30 rfbInitServer(server); 31 32 r=0; 33 while(1) { 34 if(r<=0) { 35 initBackground(server); 36 rfbMarkRectAsModified(server,0,0,width,height); 37 r=0.43; 38 phi=0; 39 } else { 40 r-=0.0001; 41 phi+=0.02; 42 if(phi>2*M_PI) 43 phi-=2*M_PI; 44 } 45 x=width*(0.5+cos(phi)*r); 46 y=height*(0.5+sin(phi)*r); 47 if(x>=0 && y>=0 && x+w<=width && y+w<=height) { 48 unsigned int dx=width*0.5*(1-cos(phi)*r)-x, 49 dy=height*0.5*(1-sin(phi)*r)-y; 50 rfbDoCopyRect(server,x,y,x+w,y+w,-dx,-dy); 51 } 52 rfbProcessEvents(server,50000); 53 } 54 return(0); 55 } 56
