Prevent drag index from exceeding full line count

Simplification removes segments, so we might lose our valid index.
Ideally, we would simplify during the assembly or pass the input index
to the simplify routine to maintain the proper value.

Fixes https://gitlab.com/kicad/code/kicad/issues/12137
This commit is contained in:
Seth Hillbrand 2022-08-01 08:56:11 -07:00
parent 7f71eef45b
commit 6c617d84ca
1 changed files with 4 additions and 0 deletions

View File

@ -1051,6 +1051,10 @@ const LINE NODE::AssembleLine( LINKED_ITEM* aSeg, int* aOriginSegmentIndex,
// Remove duplicate verts, but do NOT remove colinear segments here!
pl.Line().Simplify( false );
// TODO: maintain actual segment index under simplifcation system
if( aOriginSegmentIndex && *aOriginSegmentIndex >= pl.SegmentCount() )
*aOriginSegmentIndex = pl.SegmentCount() - 1;
assert( pl.SegmentCount() != 0 );
return pl;