#include "stdafx.h"
#include "CurveHandleDrawer.h"

#define TRACKER_SOLID			1
#define TRACKER_RECT			2
#define TRACKER_CIRCLE			4
#define TRACKER_NO_EDIT			TRACKER_SOLID | TRACKER_CIRCLE

CurveHandleDrawer::CurveHandleDrawer()
{
	m_colorHandlesEnableBrush = RGB(255, 255, 255);
	m_colorHandlesDisableBursh = RGB(80, 80, 80);
	m_colorHandles = RGB(220, 20, 60);
}

void CurveHandleDrawer::Draw(CDC* pDC, CRect& rect, DWORD nDrawMode)
{
	//int od = pDC->SetROP2(R2_NOTXORPEN);
	CBrush brush, *pOldBrush;
	DWORD nNotEdit = TRACKER_NO_EDIT;
	if ((nDrawMode & nNotEdit) == nNotEdit)
	{
		brush.CreateSolidBrush(m_colorHandlesDisableBursh);
		pOldBrush = (CBrush*)pDC->SelectObject(&brush);
		rect.DeflateRect(1, 1);//ΛυΠ‘1Έφ
	}
	else
	{
		if (nDrawMode & TRACKER_SOLID)
		{
			brush.CreateSolidBrush(m_colorHandlesEnableBrush);
			pOldBrush = (CBrush*)pDC->SelectObject(&brush);
		}
		else
			pOldBrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	}

	CPen penHandles(PS_SOLID, 0, m_colorHandles);
	CPen* op = (CPen*)pDC->SelectObject(&penHandles);

	if (nDrawMode & TRACKER_RECT)
		pDC->Rectangle(rect);
	else if (nDrawMode & TRACKER_CIRCLE || (nDrawMode & nNotEdit) == nNotEdit)
		pDC->Ellipse(&rect);

	pDC->SelectObject(pOldBrush);
	pDC->SelectObject(op);

	//if (od >= 0)
	//	pDC->SetROP2(od);
}