Ôàéë MyCtrlCtl.cpp - ÷àñòü 4

// CMyCtrlCtrl::OnDraw - Drawing function

 

void CMyCtrlCtrl::OnDraw(

                                    CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid)

{

            CPen pen;

            CBrush foreBrush, backBrush;

            CPoint points[3];

            pdc->SaveDC();

            pen.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));

            ULONG foreColor = TranslateColor(GetForeColor());

            backBrush.CreateSolidBrush(TranslateColor(AmbientBackColor()));

            foreBrush.CreateSolidBrush(GetSelected() ? foreColor : TranslateColor(m_selectColor));

            pdc->FillRect(rcBounds, &backBrush);

            pdc->SelectObject(&pen);

            pdc->SelectObject(&foreBrush);

            switch (m_nShape)

            {

            case 0:

                        pdc->Ellipse(rcBounds);

                        break;

            case 1:

                        pdc->Rectangle(rcBounds);

                        break;

            case 2:

                        points[0].x = rcBounds.left;

                        points[0].y = rcBounds.bottom - 1;

                        points[1].x = (rcBounds.left + rcBounds.right - 1) / 2;

                        points[1].y = rcBounds.top;

                        points[2].x = rcBounds.right - 1;

                        points[2].y = rcBounds.bottom - 1;

                        pdc->Polygon(points, 3);

                        break;

            }

            CFont *pOldFont;

            TEXTMETRIC tm;

           

            pdc->SetTextColor(TranslateColor(m_textColor));

            pdc->SetBkMode(TRANSPARENT);

           

            CString strCaption = GetText();

            pOldFont = SelectStockFont(pdc);

            pdc->GetTextMetrics(&tm);

            pdc->SetTextAlign(TA_CENTER|TA_TOP);

 

            pdc->ExtTextOut((rcBounds.left + rcBounds.right)/2,(rcBounds.top + rcBounds.bottom - tm.tmHeight)/2,

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