1 files changed, 53 insertions, 0 deletions
diff --git a/src/object/sp-item-rm-unsatisfied-cns.cpp b/src/object/sp-item-rm-unsatisfied-cns.cpp
new file mode 100644
index 0000000..3b476e2
--- /dev/null
+++ b/src/object/sp-item-rm-unsatisfied-cns.cpp
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <algorithm>
+#include <2geom/coord.h>
+#include <vector>
+
+#include "remove-last.h"
+#include "sp-guide.h"
+#include "sp-item-rm-unsatisfied-cns.h"
+
+void sp_item_rm_unsatisfied_cns(SPItem &item)
+{
+    if (item.constraints.empty()) {
+        return;
+    }
+    std::vector<Inkscape::SnapCandidatePoint> snappoints;
+    item.getSnappoints(snappoints, nullptr);
+    for (unsigned i = item.constraints.size(); i--;) {
+        g_assert( i < item.constraints.size() );
+        SPGuideConstraint const &cn = item.constraints[i];
+        int const snappoint_ix = cn.snappoint_ix;
+        g_assert( snappoint_ix < int(snappoints.size()) );
+
+        if (!Geom::are_near(cn.g->getDistanceFrom(snappoints[snappoint_ix].getPoint()), 0, 1e-2)) {
+
+            remove_last(cn.g->attached_items, SPGuideAttachment(&item, cn.snappoint_ix));
+
+            g_assert( i < item.constraints.size() );
+
+            item.constraints.erase(item.constraints.begin() + i);
+        }
+    }
+}
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :