Composites-Visitors pattern: the OOP way

// CompVisit.cpp 
//

#include "stdafx.h"
#include "LTypes/RefCnt.h"
#include "shapes.h"

using namespace GE_;


int _tmain(int argc, _TCHAR* argv[])
{
    _CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
	STRACE(trc, 1, ("Begin test\n"))

	//create a drawing
	NApp::CGroup::Ptr pDrawing;
	pDrawing.New();
	
	//add in it teo circles
	new NApp::CCircle(pDrawing, NApp::SRect(10,10,60,60));
	new NApp::CCircle(pDrawing, NApp::SRect(80,10,140,60), 0, 7);
	
	//create a subgroup
	NApp::CGroup* pSubDraw = new NApp::CGroup;
	pSubDraw->SetParent(pDrawing); //palce it into the drawing
	pSubDraw->SetAttribute(NApp::CGroup::attr_linecolor, 4);

	//add two rectangles in the subgroup
	new NApp::CRectangle(pSubDraw, NApp::SRect(20,70,130,120));
	new NApp::CRectangle(pSubDraw, NApp::SRect(20,125,130,150), 5);

	NApp::CDrawer::Ptr pDrw; pDrw.New();
	pDrawing->Draw(pDrw);

	std::cout << "\nPress any key ...\n";
	while(!getch());
	trc("End Program\n");
	return 0;
}