1 files changed, 74 insertions, 0 deletions
diff --git a/src/live_effects/spiro-converters.h b/src/live_effects/spiro-converters.h
new file mode 100644
index 0000000..98041a2
--- /dev/null
+++ b/src/live_effects/spiro-converters.h
@@ -0,0 +1,74 @@
+// 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.
+ */
+#ifndef INKSCAPE_SPIRO_CONVERTERS_H
+#define INKSCAPE_SPIRO_CONVERTERS_H
+
+#include <2geom/forward.h>
+class SPCurve;
+
+namespace Spiro {
+
+class ConverterBase {
+public:
+    ConverterBase() = default;;
+    virtual ~ConverterBase() = default;;
+
+    virtual void moveto(double x, double y) = 0;
+    virtual void lineto(double x, double y, bool close_last) = 0;
+    virtual void quadto(double x1, double y1, double x2, double y2, bool close_last) = 0;
+    virtual void curveto(double x1, double y1, double x2, double y2, double x3, double y3, bool close_last) = 0;
+};
+
+
+/**
+ * Converts Spiro to Inkscape's SPCurve
+ */
+class ConverterSPCurve : public ConverterBase {
+public:
+    ConverterSPCurve(SPCurve &curve)
+        : _curve(curve)
+    {}
+
+    void moveto(double x, double y) override;
+    void lineto(double x, double y, bool close_last) override;
+    void quadto(double x1, double y1, double x2, double y2, bool close_last) override;
+    void curveto(double x1, double y1, double x2, double y2, double x3, double y3, bool close_last) override;
+
+private:
+    SPCurve &_curve;
+
+    ConverterSPCurve(const ConverterSPCurve&) = delete;
+    ConverterSPCurve& operator=(const ConverterSPCurve&) = delete;
+};
+
+
+/**
+ * Converts Spiro to 2Geom's Path
+ */
+class ConverterPath : public ConverterBase {
+public:
+    ConverterPath(Geom::Path &path);
+
+    void moveto(double x, double y) override;
+    void lineto(double x, double y, bool close_last) override;
+    void quadto(double x1, double y1, double x2, double y2, bool close_last) override;
+    void curveto(double x1, double y1, double x2, double y2, double x3, double y3, bool close_last) override;
+
+private:
+    Geom::Path &_path;
+
+    ConverterPath(const ConverterPath&) = delete;
+    ConverterPath& operator=(const ConverterPath&) = delete;
+};
+
+
+} // namespace Spiro
+
+#endif