+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * 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_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP
-#define PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP
-
-#include "signal.hpp"
-
-#include <memory>
-
-#include <QComboBox>
-#include <QSpinBox>
-
-using std::pair;
-using std::shared_ptr;
-
-namespace pv {
-
-namespace data {
-class Analog;
-class AnalogSegment;
-class SignalBase;
-}
-
-namespace views {
-namespace TraceView {
-
-class AnalogSignal : public Signal
-{
- Q_OBJECT
-
-private:
- static const QColor SignalColours[4];
- static const QColor GridMajorColor, GridMinorColor;
- static const QColor SamplingPointColour;
-
- static const int64_t TracePaintBlockSize;
- static const float EnvelopeThreshold;
-
- static const int MaximumVDivs;
- static const int MaxScaleIndex, MinScaleIndex;
- static const int InfoTextMarginRight, InfoTextMarginBottom;
-
- enum DisplayType {
- DisplayAnalog = 0,
- DisplayConverted = 1,
- DisplayBoth = 2
- };
-
-public:
- AnalogSignal(pv::Session &session, shared_ptr<data::SignalBase> base);
-
- virtual ~AnalogSignal() = default;
-
- shared_ptr<pv::data::SignalData> data() const;
-
- virtual void save_settings(QSettings &settings) const;
-
- virtual void restore_settings(QSettings &settings);
-
- /**
- * Computes the vertical extents of the contents of this row item.
- * @return A pair containing the minimum and maximum y-values.
- */
- pair<int, int> v_extents() const;
-
- /**
- * Returns the offset to show the drag handle.
- */
- int scale_handle_offset() const;
-
- /**
- * Handles the scale handle being dragged to an offset.
- * @param offset the offset the scale handle was dragged to.
- */
- void scale_handle_dragged(int offset);
-
- /**
- * @copydoc pv::view::Signal::signal_scale_handle_drag_release()
- */
- void scale_handle_drag_release();
-
- /**
- * Paints the background layer of the signal with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with..
- */
- void paint_back(QPainter &p, ViewItemPaintParams &pp);
-
- /**
- * Paints the mid-layer of the signal with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with..
- */
- void paint_mid(QPainter &p, ViewItemPaintParams &pp);
-
- /**
- * Paints the foreground layer of the item with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with.
- */
- void paint_fore(QPainter &p, ViewItemPaintParams &pp);
-
-private:
- void paint_grid(QPainter &p, int y, int left, int right);
-
- void paint_trace(QPainter &p,
- const shared_ptr<pv::data::AnalogSegment> &segment,
- int y, int left, const int64_t start, const int64_t end,
- const double pixels_offset, const double samples_per_pixel);
-
- void paint_envelope(QPainter &p,
- const shared_ptr<pv::data::AnalogSegment> &segment,
- int y, int left, const int64_t start, const int64_t end,
- const double pixels_offset, const double samples_per_pixel);
-
- void paint_logic_mid(QPainter &p, ViewItemPaintParams &pp);
-
- void paint_logic_caps(QPainter &p, QLineF *const lines,
- vector< pair<int64_t, bool> > &edges,
- bool level, double samples_per_pixel, double pixels_offset,
- float x_offset, float y_offset);
-
- /**
- * Computes the scale factor from the scale index and vdiv settings.
- */
- float get_resolution(int scale_index);
-
- void update_scale();
-
- void update_conversion_type();
-
- void perform_autoranging(bool keep_divs, bool force_update);
-
-protected:
- void populate_popup_form(QWidget *parent, QFormLayout *form);
-
-private Q_SLOTS:
- void on_samples_added();
-
- void on_pos_vdivs_changed(int vdivs);
- void on_neg_vdivs_changed(int vdivs);
-
- void on_resolution_changed(int index);
-
- void on_autoranging_changed(int state);
-
- void on_conversion_changed(int index);
-
- void on_display_type_changed(int index);
-
-private:
- QComboBox *resolution_cb_, *conversion_cb_, *display_type_cb_;
- QSpinBox *pvdiv_sb_, *nvdiv_sb_;
-
- float scale_;
- int scale_index_;
- int scale_index_drag_offset_;
-
- int div_height_;
- int pos_vdivs_, neg_vdivs_; // divs per positive/negative side
- float resolution_; // e.g. 10 for 10 V/div
-
- data::SignalBase::ConversionType conversion_type_;
- DisplayType display_type_;
- bool autoranging_;
-};
-
-} // namespace TraceView
-} // namespace views
-} // namespace pv
-
-#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP
projects / pulseview.git / blobdiff