1 files changed, 84 insertions, 0 deletions
diff --git a/src/live_effects/lpe-ruler.h b/src/live_effects/lpe-ruler.h
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+++ b/src/live_effects/lpe-ruler.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LPE_RULER_H
+#define INKSCAPE_LPE_RULER_H
+
+/** \file
+ * LPE <ruler> implementation, see lpe-ruler.cpp.
+ */
+
+/*
+ * Authors:
+ *   Maximilian Albert
+ *   Johan Engelen
+ *
+ * Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "live_effects/parameter/enum.h"
+#include "live_effects/effect.h"
+#include "live_effects/parameter/unit.h"
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+enum MarkType {
+    MARK_MAJOR,
+    MARK_MINOR
+};
+
+enum MarkDirType {
+    MARKDIR_LEFT,
+    MARKDIR_RIGHT,
+    MARKDIR_BOTH,
+};
+
+enum BorderMarkType {
+    BORDERMARK_NONE,
+    BORDERMARK_START,
+    BORDERMARK_END,
+    BORDERMARK_BOTH,
+};
+
+class LPERuler : public Effect {
+public:
+    LPERuler(LivePathEffectObject *lpeobject);
+    ~LPERuler() override;
+
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
+
+private:
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > ruler_mark(Geom::Point const &A, Geom::Point const &n, MarkType const &marktype);
+
+    ScalarParam mark_distance;
+    UnitParam unit;
+    ScalarParam mark_length;
+    ScalarParam minor_mark_length;
+    ScalarParam major_mark_steps;
+    ScalarParam shift;
+    EnumParam<MarkDirType> mark_dir;
+    ScalarParam offset;
+    EnumParam<BorderMarkType> border_marks;
+
+    static Geom::Point n_major, n_minor; // used for internal computations
+
+    LPERuler(const LPERuler&) = delete;
+    LPERuler& operator=(const LPERuler&) = delete;
+};
+
+} //namespace LivePathEffect
+} //namespace Inkscape
+
+#endif
+
+/*
+  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 :