Introduce math signals

[pulseview.git] / pv / data / mathsignal.hpp

diff --git a/pv/data/mathsignal.hpp b/pv/data/mathsignal.hpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PULSEVIEW_PV_DATA_MATHSIGNAL_HPP
+#define PULSEVIEW_PV_DATA_MATHSIGNAL_HPP
+
+#include <QSettings>
+#include <QString>
+
+#include <pv/data/analog.hpp>
+#include <pv/data/signalbase.hpp>
+#include <pv/util.hpp>
+
+using std::shared_ptr;
+
+namespace pv {
+class Session;
+
+namespace data {
+
+class SignalBase;
+class SignalData;
+
+class MathSignal : public SignalBase
+{
+       Q_OBJECT
+
+private:
+       static const int64_t ChunkLength;
+
+public:
+       MathSignal(pv::Session &session);
+       virtual ~MathSignal();
+
+       virtual void save_settings(QSettings &settings) const;
+       virtual void restore_settings(QSettings &settings);
+
+Q_SIGNALS:
+       void samples_cleared();
+
+       void samples_added(uint64_t segment_id, uint64_t start_sample,
+               uint64_t end_sample);
+
+       void min_max_changed(float min, float max);
+
+//private Q_SLOTS:
+//     void on_data_cleared();
+//     void on_data_received();
+
+//     void on_samples_added(SharedPtrToSegment segment, uint64_t start_sample,
+//             uint64_t end_sample);
+
+//     void on_min_max_changed(float min, float max);
+
+private:
+       pv::Session &session_;
+
+       QString error_message_;
+};
+
+} // namespace data
+} // namespace pv
+
+#endif // PULSEVIEW_PV_DATA_MATHSIGNAL_HPP