void wxGISMapView::DrawToolTip(wxClientDC& dc, const wxString& sText)
{
wxSize size = GetClientSize();
int nWidth, nHeight;
dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
dc.GetTextExtent(sText, &nWidth, &nHeight);
wxBrush br(wxSystemSettings::GetColour(wxSYS_COLOUR_INFOBK));
dc.SetBrush(br);
wxColor TextColor(wxSystemSettings::GetColour(wxSYS_COLOUR_INFOTEXT));
wxPen pen(TextColor);
dc.SetPen(pen);
int x1 = (size.x - nWidth) / 2, y1 = (size.y - nHeight) - 50;
dc.DrawRectangle( x1 - 5, y1 - 2, nWidth + 10, nHeight + 4);
dc.SetTextBackground(TextColor);
dc.SetTextForeground(TextColor);
dc.DrawText(sText, x1, y1);
}
inline static void DrawBox(wxClientDC& dc, const PHD_Point& star, int halfW, double scale)
{
dc.SetBrush(*wxTRANSPARENT_BRUSH);
double w = ROUND((halfW * 2 + 1) * scale);
dc.DrawRectangle(int((star.X - halfW) * scale), int((star.Y - halfW) * scale), w, w);
}