1 files changed, 83 insertions, 0 deletions
diff --git a/src/live_effects/lpe-circle_with_radius.cpp b/src/live_effects/lpe-circle_with_radius.cpp
new file mode 100644
index 0000000..1a6b3a8
--- /dev/null
+++ b/src/live_effects/lpe-circle_with_radius.cpp
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * LPE effect that draws a circle based on two points and a radius.
+ * - implementation
+ */
+/* Authors:
+ *   Johan Engelen <j.b.c.engelen@utwente.nl>
+ *
+ * Copyright (C) 2007 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "live_effects/lpe-circle_with_radius.h"
+#include "display/curve.h"
+
+// You might need to include other 2geom files. You can add them here:
+#include <2geom/circle.h>
+#include <2geom/path-sink.h>
+// TODO due to internal breakage in glibmm headers, this must be last:
+#include <glibmm/i18n.h>
+
+using namespace Geom;
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+LPECircleWithRadius::LPECircleWithRadius(LivePathEffectObject *lpeobject) :
+    Effect(lpeobject)//,
+    // initialise your parameters here:
+    //radius(_("Float parameter"), _("just a real number like 1.4!"), "svgname", &wr, this, 50)
+{
+    // register all your parameters here, so Inkscape knows which parameters this effect has:
+    //registerParameter( dynamic_cast<Parameter *>(&radius) );
+}
+
+LPECircleWithRadius::~LPECircleWithRadius()
+= default;
+
+Geom::PathVector
+LPECircleWithRadius::doEffect_path (Geom::PathVector const & path_in)
+{
+    Geom::PathVector path_out = Geom::PathVector();
+
+    Geom::Point center = path_in[0].initialPoint();
+    Geom::Point pt = path_in[0].finalPoint();
+
+    double radius = Geom::L2(pt - center);
+
+    Geom::Circle c(center, radius);
+    return Geom::Path(c);
+}
+
+/*
+
+Geom::Piecewise<Geom::D2<Geom::SBasis> >
+LPECircleWithRadius::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > & pwd2_in)
+{
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > output;
+
+    output = pwd2_in;   // spice this up to make the effect actually *do* something!
+
+    return output;
+}
+
+*/
+
+/* ######################## */
+
+} //namespace LivePathEffect
+} /* namespace Inkscape */
+
+/*
+  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 :