bool VRect::Contains (const VRect& inRect) const
{
return ((inRect.GetLeft() - GetLeft()) > -kREAL_PIXEL_PRECISION &&
(inRect.GetRight() - GetRight()) < kREAL_PIXEL_PRECISION &&
(inRect.GetTop() - GetTop()) > -kREAL_PIXEL_PRECISION &&
(inRect.GetBottom() - GetBottom()) < kREAL_PIXEL_PRECISION);
}
void VRect::Union (const VRect& inRect)
{
GReal newLeft = Min(fX, inRect.fX);
GReal newTop = Min(fY, inRect.fY);
GReal newRight = Max(GetRight(), inRect.GetRight());
GReal newBottom = Max(GetBottom(), inRect.GetBottom());
SetCoords(newLeft, newTop, newRight - newLeft, newBottom - newTop);
}
void VRect::Intersect (const VRect& inRect)
{
GReal newLeft = Max(fX, inRect.GetX());
GReal newTop = Max(fY, inRect.GetY());
GReal newRight = Min(GetRight(), inRect.GetRight());
GReal newBottom = Min(GetBottom(), inRect.GetBottom());
if (newRight > newLeft && newBottom > newTop)
SetCoords(newLeft, newTop, newRight - newLeft, newBottom - newTop);
else
SetCoords(0, 0, 0, 0);
}
void VRect::Union (const VRect& inRect)
{
if (IsEmpty())
{
fX = inRect.fX;
fY = inRect.fY;
fWidth = inRect.fWidth;
fHeight = inRect.fHeight;
}
else if (!inRect.IsEmpty())
{
GReal newLeft = Min(fX, inRect.fX);
GReal newTop = Min(fY, inRect.fY);
GReal newRight = Max(GetRight(), inRect.GetRight());
GReal newBottom = Max(GetBottom(), inRect.GetBottom());
SetCoords(newLeft, newTop, newRight - newLeft, newBottom - newTop);
}
}
