git.maemo.org Git - presencevnc/blob - libvnc/test/copyrecttest.c

   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   server->frameBuffer=(char*)malloc(width*height*4);
  26   initBackground(server);
  27   server->deferUpdateTime=0;
  28   rfbInitServer(server);
  29
  30   r=0;
  31   while(1) {
  32     if(r<=0) {
  33       initBackground(server);
  34       rfbMarkRectAsModified(server,0,0,width,height);
  35       r=0.43;
  36       phi=0;
  37     } else {
  38       r-=0.0001;
  39       phi+=0.02;
  40       if(phi>2*M_PI)
  41         phi-=2*M_PI;
  42     }
  43     x=width*(0.5+cos(phi)*r);
  44     y=height*(0.5+sin(phi)*r);
  45     if(x>=0 && y>=0 && x+w<=width && y+w<=height) {
  46       unsigned int dx=width*0.5*(1-cos(phi)*r)-x,
  47                 dy=height*0.5*(1-sin(phi)*r)-y;
  48       rfbDoCopyRect(server,x,y,x+w,y+w,-dx,-dy);
  49     }
  50     rfbProcessEvents(server,50000);
  51   }
  52   return(0);
  53 }