void CSplitterWndEx::OnPaint()
{
CSplitterWnd::OnPaint();
if (bWhiteLine) {
CClientDC dc(this);
CRect rectClient;
GetClientRect(rectClient);
CPen pn(PS_SOLID, 1, GetSysColor(COLOR_3DSHADOW));
CPen* op = dc.SelectObject(&pn);
dc.MoveTo(rectClient.left, rectClient.top);
dc.LineTo(rectClient.right, rectClient.top);
CPen pn1(PS_SOLID, 1, GetSysColor(COLOR_3DHILIGHT));
dc.SelectObject(&pn1);
dc.MoveTo(rectClient.left, rectClient.top+1);
dc.LineTo(rectClient.right, rectClient.top+1);
dc.SelectObject(op);
}
}
Segment Segment::offset(double m)const
{
double dx = toPoint.getX() - fromPoint.getX();
double dy = toPoint.getY() - fromPoint.getY();
double d = sqrt(dx*dx + dy*dy);
if(d == 0) {
return Segment(this->getColor(), fromPoint, toPoint, this->getStrokeWidth());
}
else
{
double offx = -m * dy / d;
double offy = m * dx / d;
Point pn0(fromPoint.getX() + offx, fromPoint.getY() + offy);
Point pn1(toPoint.getX() + offx, toPoint.getY() + offy);
return Segment(this->getColor(),pn0, pn1, this->getStrokeWidth());
}
}
