//+------------------------------------------------------------------+
//|                                            pcg_random_bitmap.mq5 |
//|                                        Copyright © 2018, Amr Ali |
//|                             https://www.mql5.com/en/users/amrali |
//+------------------------------------------------------------------+
#include <Canvas/Canvas.mqh>
#include <Random.mqh>
//--- the random number generator object
CRandom pcg;
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
//--- hide the price chart
   ChartSetInteger(0,CHART_SHOW,false);
//--- generate a bitmap of the random variable
   string name="MyBitmap";
   int width=512;
   int height=512;
   CCanvas can;
//---
   can.CreateBitmapLabel(name,0,0,width,height,COLOR_FORMAT_XRGB_NOALPHA);
   can.FillRectangle(0,0,width,height,XRGB(255,255,255));
   for (int y=0; y<height; y++)
      for (int x=0; x<width; x++)
        {
         //--- set pixel color from low-order bits
         int r=pcg.RandomInteger()&0xFF;
         can.PixelSet(x,y,XRGB(r,r,r));
        }
//---
   can.Update();
  }
//+------------------------------------------------------------------+