OPessoa Blog

Posted on 2016-11-14 18:31:51

void DrawMarker(CDC* pDC, int radius,int xPos, int yPos, COLORREF color, float insideCirclePerc = 0.3 );

void CChildView::DrawMarker(CDC* pDC, int radius,int xPos, int yPos, COLORREF color, float insideCirclePerc )
{
	CRect rc;
	
	CPen* pOldPen;
	CBrush* pOldBrush;
	
	CPen pBlack(PS_SOLID,1,RGB(0,0,0));
	CBrush brBlack(RGB(0,0,0));

	CBrush br(color);
	CBrush* pOldBr = pDC->SelectObject(&br);
		
	CPoint ptsRightBz[3] = { CPoint(xPos+radius/2, yPos+radius/2),  CPoint(xPos, yPos+radius/2),CPoint(xPos, yPos+radius*1.3) };
	CPoint ptsLeftBz[3] = { CPoint(xPos, yPos+radius/2),CPoint(xPos-radius/2, yPos+radius/2), CPoint(xPos-radius/2, yPos) };

	pDC->BeginPath();
	pDC->MoveTo(CPoint(xPos+radius/2,yPos));
	pDC->PolyBezierTo(ptsRightBz,3);
	pDC->PolyBezierTo(ptsLeftBz,3);
	pDC->ArcTo(xPos-radius/2,yPos-radius/2,1+xPos+radius/2,1+yPos+radius/2,1+xPos+radius/2,yPos,1+xPos-radius/2,yPos);
	pDC->EndPath();

	pOldPen = pDC->SelectObject(&pBlack);
	pDC->StrokeAndFillPath();


	/*Draw line over the black bezier line*/

	CPen p(PS_SOLID,2,color);
	pDC->SelectObject(&p);
	pDC->MoveTo(CPoint(1+xPos-radius/2,yPos));
	pDC->LineTo(CPoint(-1+xPos+radius/2,yPos));

	pDC->SelectObject(pOldPen);

	pDC->SelectObject(&brBlack);
	pDC->Ellipse(xPos-(radius/2)*insideCirclePerc,yPos-(radius/2)*insideCirclePerc,xPos+(radius/2)*insideCirclePerc,yPos+(radius/2)*insideCirclePerc);
	pDC->SelectObject(pOldBr);
}