C++ (Cpp) wxRect::GetRightBottom示例

void wxGCDCImpl::DoGradientFillLinear(const wxRect& rect,
                                  const wxColour& initialColour,
                                  const wxColour& destColour,
                                  wxDirection nDirection )
{
    wxPoint start;
    wxPoint end;
    switch( nDirection)
    {
    case wxWEST :
        start = rect.GetRightBottom();
        start.x++;
        end = rect.GetLeftBottom();
        break;
    case wxEAST :
        start = rect.GetLeftBottom();
        end = rect.GetRightBottom();
        end.x++;
        break;
    case wxNORTH :
        start = rect.GetLeftBottom();
        start.y++;
        end = rect.GetLeftTop();
        break;
    case wxSOUTH :
        start = rect.GetLeftTop();
        end = rect.GetLeftBottom();
        end.y++;
        break;
    default :
        break;
    }

    if (rect.width == 0 || rect.height == 0)
        return;

    m_graphicContext->SetBrush( m_graphicContext->CreateLinearGradientBrush(
        start.x,start.y,end.x,end.y, initialColour, destColour));
    m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
    m_graphicContext->DrawRectangle(rect.x,rect.y,rect.width,rect.height);
    m_graphicContext->SetPen(m_pen);
    m_graphicContext->SetBrush(m_brush);

    CalcBoundingBox(rect.x, rect.y);
    CalcBoundingBox(rect.x + rect.width, rect.y + rect.height);
}