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| author | Johan B. C. Engelen <jbc.engelen@swissonline.ch> | 2014-06-16 21:34:16 +0000 |
|---|---|---|
| committer | Johan B. C. Engelen <j.b.c.engelen@alumnus.utwente.nl> | 2014-06-16 21:34:16 +0000 |
| commit | ba32027677dee7700542b236410411fca62ba9c7 (patch) | |
| tree | 2b35f152c736f51f3899ceb93cef6786c2e4c42a /src/knot-holder-entity.cpp | |
| parent | SignalObserver: fix further refcounting issue in signal observer (diff) | |
| download | inkscape-ba32027677dee7700542b236410411fca62ba9c7.tar.gz inkscape-ba32027677dee7700542b236410411fca62ba9c7.zip | |
fixes to LPEKnot, now usable again.
knotholder: if knot coords are non-finite, hide knot. used for hiding the lpeknot switcher knot if there are no crossings
Fixed bugs:
- https://launchpad.net/bugs/781893
(bzr r13428)
Diffstat (limited to 'src/knot-holder-entity.cpp')
| -rw-r--r-- | src/knot-holder-entity.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/knot-holder-entity.cpp b/src/knot-holder-entity.cpp index 6471124ec..6af5c6a56 100644 --- a/src/knot-holder-entity.cpp +++ b/src/knot-holder-entity.cpp @@ -80,13 +80,17 @@ KnotHolderEntity::~KnotHolderEntity() void KnotHolderEntity::update_knot() { - Geom::Affine const i2dt(item->i2dt_affine()); + Geom::Point knot_pos(knot_get()); + if (knot_pos.isFinite()) { + Geom::Point dp(knot_pos * item->i2dt_affine()); - Geom::Point dp(knot_get() * i2dt); - - _moved_connection.block(); - knot->setPosition(dp, SP_KNOT_STATE_NORMAL); - _moved_connection.unblock(); + _moved_connection.block(); + knot->setPosition(dp, SP_KNOT_STATE_NORMAL); + _moved_connection.unblock(); + } else { + // knot coords are non-finite, hide knot + knot->hide(); + } } Geom::Point |