void barraAvance( int x1, int y1, 
                  int x2, int y2, 
                  float ValParcial, float ValTotal, 
                  color ColorLinea, color ColorRelleno ) {

  float AnchoReal = ( ( ( ValParcial * 100 ) / ValTotal ) * ( x2 - x1 )  ) / 100;

  strokeWeight(1);
  stroke(ColorLinea);
  noFill();
  rectMode(CORNERS); 
  rect(x1, y1, x2, y2);
  
  noStroke();
  fill(ColorRelleno);
  rect(x1, y1, x1+AnchoReal+1, y2+1);

}