1 files changed, 76 insertions, 0 deletions
diff --git a/src/live_effects/parameter/random.h b/src/live_effects/parameter/random.h
new file mode 100644
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--- /dev/null
+++ b/src/live_effects/parameter/random.h
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_RANDOM_H
+#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_RANDOM_H
+
+/*
+ * Inkscape::LivePathEffectParameters
+ *
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "live_effects/parameter/parameter.h"
+#include <glibmm/ustring.h>
+#include <2geom/point.h>
+#include <2geom/path.h>
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+class RandomParam : public Parameter {
+public:
+    RandomParam(  const Glib::ustring& label,
+                const Glib::ustring& tip,
+                const Glib::ustring& key, 
+                Inkscape::UI::Widget::Registry* wr,
+                Effect* effect,
+                gdouble default_value = 1.0,
+                long default_seed = 0,
+                bool randomsign = false);
+    ~RandomParam() override;
+
+    bool param_readSVGValue(const gchar * strvalue) override;
+    Glib::ustring param_getSVGValue() const override;
+    Glib::ustring param_getDefaultSVGValue() const override;
+    void param_set_default() override;
+    void param_set_randomsign(bool randomsign) {_randomsign = randomsign;};
+    Gtk::Widget * param_newWidget() override;
+    double param_get_random_number() { return rand(); };
+    void param_set_value(gdouble val, long newseed);
+    void param_make_integer(bool yes = true);
+    void param_set_range(gdouble min, gdouble max);
+    void param_update_default(gdouble default_value);
+    void param_update_default(const gchar * default_value) override;
+    void resetRandomizer();
+    operator gdouble();
+    inline gdouble get_value() { return value; } ;
+    ParamType paramType() const override { return ParamType::RANDOM; };
+
+protected:
+    long startseed;
+    long seed;
+    long defseed;
+
+    gdouble value;
+    gdouble min;
+    gdouble max;
+    bool integer;
+    bool _randomsign;
+    gdouble defvalue;
+
+private:
+    bool on_button_release(GdkEventButton* button_event);
+    long setup_seed(long);
+    gdouble rand();
+
+    RandomParam(const RandomParam&) = delete;
+    RandomParam& operator=(const RandomParam&) = delete;
+};
+
+} //namespace LivePathEffect
+
+} //namespace Inkscape
+
+#endif