void Navigator::SetOrg(m2::PointD const & org)
{
ScreenBase tmp = m_Screen;
tmp.SetOrg(org);
if (CheckBorders(tmp))
m_Screen = tmp;
}
ScreenBase const ScaleInto(ScreenBase const & screen, m2::RectD boundRect)
{
ReduceRectHack(boundRect);
ScreenBase res = screen;
double scale = 1;
m2::RectD clipRect = res.ClipRect();
ASSERT(boundRect.IsPointInside(clipRect.Center()), ("center point should be inside boundRect"));
if (clipRect.minX() < boundRect.minX())
{
double k = (boundRect.minX() - clipRect.Center().x) / (clipRect.minX() - clipRect.Center().x);
scale /= k;
clipRect.Scale(k);
}
if (clipRect.maxX() > boundRect.maxX())
{
double k = (boundRect.maxX() - clipRect.Center().x) / (clipRect.maxX() - clipRect.Center().x);
scale /= k;
clipRect.Scale(k);
}
if (clipRect.minY() < boundRect.minY())
{
double k = (boundRect.minY() - clipRect.Center().y) / (clipRect.minY() - clipRect.Center().y);
scale /= k;
clipRect.Scale(k);
}
if (clipRect.maxY() > boundRect.maxY())
{
double k = (boundRect.maxY() - clipRect.Center().y) / (clipRect.maxY() - clipRect.Center().y);
scale /= k;
clipRect.Scale(k);
}
res.Scale(scale);
res.SetOrg(clipRect.Center());
return res;
}
ScreenBase const ShrinkInto(ScreenBase const & screen, m2::RectD boundRect)
{
ReduceRectHack(boundRect);
ScreenBase res = screen;
m2::RectD clipRect = res.ClipRect();
if (clipRect.minX() < boundRect.minX())
clipRect.Offset(boundRect.minX() - clipRect.minX(), 0);
if (clipRect.maxX() > boundRect.maxX())
clipRect.Offset(boundRect.maxX() - clipRect.maxX(), 0);
if (clipRect.minY() < boundRect.minY())
clipRect.Offset(0, boundRect.minY() - clipRect.minY());
if (clipRect.maxY() > boundRect.maxY())
clipRect.Offset(0, boundRect.maxY() - clipRect.maxY());
res.SetOrg(clipRect.Center());
// This assert fails near x = 180 (Philipines).
//ASSERT ( boundRect.IsRectInside(res.ClipRect()), (clipRect, res.ClipRect()) );
return res;
}
ScreenBase const ShrinkAndScaleInto(ScreenBase const & screen, m2::RectD boundRect)
{
ReduceRectHack(boundRect);
ScreenBase res = screen;
m2::RectD globalRect = res.ClipRect();
m2::PointD newOrg = res.GetOrg();
double scale = 1;
double offs = 0;
if (globalRect.minX() < boundRect.minX())
{
offs = boundRect.minX() - globalRect.minX();
globalRect.Offset(offs, 0);
newOrg.x += offs;
if (globalRect.maxX() > boundRect.maxX())
{
double k = boundRect.SizeX() / globalRect.SizeX();
scale /= k;
/// scaling always occur pinpointed to the rect center...
globalRect.Scale(k);
/// ...so we should shift a rect after scale
globalRect.Offset(boundRect.minX() - globalRect.minX(), 0);
}
}
if (globalRect.maxX() > boundRect.maxX())
{
offs = boundRect.maxX() - globalRect.maxX();
globalRect.Offset(offs, 0);
newOrg.x += offs;
if (globalRect.minX() < boundRect.minX())
{
double k = boundRect.SizeX() / globalRect.SizeX();
scale /= k;
globalRect.Scale(k);
globalRect.Offset(boundRect.maxX() - globalRect.maxX(), 0);
}
}
if (globalRect.minY() < boundRect.minY())
{
offs = boundRect.minY() - globalRect.minY();
globalRect.Offset(0, offs);
newOrg.y += offs;
if (globalRect.maxY() > boundRect.maxY())
{
double k = boundRect.SizeY() / globalRect.SizeY();
scale /= k;
globalRect.Scale(k);
globalRect.Offset(0, boundRect.minY() - globalRect.minY());
}
}
if (globalRect.maxY() > boundRect.maxY())
{
offs = boundRect.maxY() - globalRect.maxY();
globalRect.Offset(0, offs);
newOrg.y += offs;
if (globalRect.minY() < boundRect.minY())
{
double k = boundRect.SizeY() / globalRect.SizeY();
scale /= k;
globalRect.Scale(k);
globalRect.Offset(0, boundRect.maxY() - globalRect.maxY());
}
}
res.SetOrg(globalRect.Center());
res.Scale(scale);
return res;
}
