Random Box Array

   1 #!/usr/bin/layout
   2 #name=random array
   3 #help=generates a random array of boxes
   4 
   5 int main(){
   6 //++++++++++++++++++++++++++++++++++++++
   7 // enter values here:
   8   int sizeX=1000;
   9   int sizeY=1000;
  10   int width=12;
  11   int height=16;
  12   int count=1000;
  13   int layer =11;
  14   int space=5;
  15 //++++++++++++++++++++++++++++++++++++++
  16 // the macro requires a empty cell to find the nearest element correctly
  17   layout->drawing->newCell();
  18   int wh=width/2+space;
  19   int hh=height/2+space;
  20   int i;
  21   for ( i=count;i>0;i--){
  22    bool found=false;
  23    int x;
  24    int y;
  25    int try=0;
  26    while (!found){
  27     try++;
  28     x=stdlib::rand()%sizeX;
  29     y=stdlib::rand()%sizeY;
  30     point p; p.set(x,y);
  31     elementList *e=layout->drawing->currentCell->nearestElement(p);
  32     if (e==NULL) found=true;
  33     else {
  34       // checks, if conflicts with existing box
  35       pointArray pa=e->thisElement->getPoints();
  36       if (pa.point(0).x()>(x+wh)) found=true;
  37       else if (pa.point(1).x()<(x-wh)) found=true;
  38       else if (pa.point(0).y()<(y-hh)) found=true;
  39       else if (pa.point(1).y()>(y+hh)) found=true;
  40     }
  41      // no free space found
  42      if (try>1000) return 1;
  43     }
  44     layout->drawing->currentCell->addBox(x-width/2,y-height/2,width,height,layer);
  45   }
  46  layout->drawing->scaleFull();
  47 }