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Implemented Edge#cut_point for GSI (was missing)

This commit is contained in:
Matthias Koefferlein 2021-05-04 21:12:46 +02:00
parent e868e9512c
commit 70864e41af
2 changed files with 25 additions and 1 deletions
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23
src/db/db/gsiDeclDbEdge.cc
View File

@ -82,6 +82,16 @@ struct edge_defs
}
}
static tl::Variant cut_point (const C *e, const C &ee)
{
std::pair<bool, point_type> ip = e->cut_point (ee);
if (ip.first) {
return tl::Variant (ip.second);
} else {
return tl::Variant ();
}
}
static point_type crossing_point (const C *e, const C &ee)
{
return e->crossed_by_point (ee).second;
@ -494,7 +504,7 @@ struct edge_defs
method_ext ("intersection_point", &intersect_point, gsi::arg ("e"),
"@brief Returns the intersection point of two edges. \n"
"\n"
"This method delivers the intersection point. If the edges do not intersect, the result is undefined.\n"
"This method delivers the intersection point. If the edges do not intersect, the result will be nil.\n"
"\n"
"@param e The edge to test.\n"
"@return The point where the edges intersect.\n"
@ -502,6 +512,17 @@ struct edge_defs
"This method has been introduced in version 0.19.\n"
"From version 0.26.2, this method will return nil in case of non-intersection.\n"
) +
method_ext ("cut_point", &cut_point, gsi::arg ("e"),
"@brief Returns the intersection point of the lines through the two edges.\n"
"\n"
"This method delivers the intersection point between the lines through the two edges. If the lines are parallel and do not intersect, the result will be nil.\n"
"In contrast to \\intersection_point, this method will regard the edges as infinitely extended and intersection is not confined to the edge span.\n"
"\n"
"@param e The edge to test.\n"
"@return The point where the lines intersect.\n"
"\n"
"This method has been introduced in version 0.27.1.\n"
) +
method_ext ("clipped", &clipped, gsi::arg ("box"),
"@brief Returns the edge clipped at the given box\n"
"\n"

3
testdata/ruby/dbEdgeTest.rb vendored
View File

@ -105,6 +105,9 @@ class DBEdge_TestClass < TestBase
assert_equal( a.intersect?( RBA::DEdge::new( -1, -1, 1, 5 ) ), true )
assert_equal( a.intersection_point( RBA::DEdge::new( -1, -1, 1, 5 ) ).to_s, "0,2" )
assert_equal( a.intersection_point( RBA::DEdge::new( -1, 3, 1, 5 ) ) == nil, true )
assert_equal( a.cut_point( RBA::DEdge::new( -1, -1, 1, 5 ) ).to_s, "0,2" )
assert_equal( a.cut_point( RBA::DEdge::new( -1, 3, -1, 5 ) ).to_s, "-1,2" )
assert_equal( a.cut_point( RBA::DEdge::new( -1, 3, 1, 3 ) ) == nil, true )
assert_equal( a.intersect?( RBA::DEdge::new( -1, 11, 1, 15 ) ), false )
assert_equal( a.distance( RBA::DPoint::new( 3, 3 ) ), 1.0 )
assert_equal( a.distance( RBA::DPoint::new( 3, 1 ) ), -1.0 )