double us_x, us_y;
dc.GetUserScale(&us_x, &us_y);
dc.SetUserScale(us_x * m_scale * imageScaleX, us_y * m_scale * imageScaleY);
dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (m_scale*imageScaleX)),
double us_x, us_y;
dc.GetUserScale(&us_x, &us_y);
dc.SetUserScale(us_x * m_scale * imageScaleX, us_y * m_scale * imageScaleY);
dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (m_scale*imageScaleX)),