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+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ * positionfilter.h
+ *
+ * Sat 13 Feb 2021 12:46:41 CET
+ * Copyright 2019 André Nusser
+ * andre.nusser@googlemail.com
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#pragma once
+
+#include <cstddef>
+#include <map>
+#include <utility>
+
+#include "inputfilter.h"
+#include "instrument.h"
+
+struct Settings;
+class Random;
+
+class PositionFilter
+ : public InputFilter
+{
+public:
+ PositionFilter(Settings& settings, Random& random);
+
+ bool filter(event_t& event, std::size_t pos) override;
+
+ // Note getLatency not overloaded because this filter doesn't add latency.
+
+private:
+ Settings& settings;
+ Random& random;
+};