sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

+ filter_at_point - cache inflated bbox

Browse source
This commit is contained in:
artemp 2013-05-17 16:22:04 +01:00
parent 9686999a2c
commit 5be9640742
1 changed files with 11 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
include/mapnik/geom_util.hpp
View file

@ -200,10 +200,10 @@ inline bool point_on_path(double x,double y,Iter start,Iter end, double tol)
struct filter_in_box
{
box2d<double> box_;
explicit filter_in_box(const box2d<double>& box)
explicit filter_in_box(box2d<double> const& box)
: box_(box) {}
bool pass(const box2d<double>& extent) const
bool pass(box2d<double> const& extent) const
{
return extent.intersects(box_);
}
@ -211,23 +211,16 @@ struct filter_in_box
struct filter_at_point
{
coord2d pt_;
double tol_;
explicit filter_at_point(const coord2d& pt, double tol=0)
: pt_(pt),
tol_(tol) {}
bool pass(const box2d<double>& extent) const
box2d<double> box_;
explicit filter_at_point(coord2d const& pt, double tol=0)
: box_(pt,pt)
{
if (tol_ == 0)
{
return extent.contains(pt_);
}
else
{
box2d<double> extent2 = extent;
extent2.pad(tol_);
return extent2.contains(pt_);
}
box_.pad(tol);
}
bool pass(box2d<double> const& extent) const
{
return extent.intersects(box_);
}
};