2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP
21 #define PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP
28 #include <pv/views/trace/signal.hpp>
31 using std::shared_ptr;
44 class AnalogSignal : public Signal
49 static const QPen AxisPen;
50 static const QColor SignalColors[4];
51 static const QColor GridMajorColor, GridMinorColor;
52 static const QColor SamplingPointColor;
53 static const QColor SamplingPointColorLo;
54 static const QColor SamplingPointColorNe;
55 static const QColor SamplingPointColorHi;
56 static const QColor ThresholdColor;
57 static const QColor ThresholdColorLo;
58 static const QColor ThresholdColorNe;
59 static const QColor ThresholdColorHi;
61 static const int64_t TracePaintBlockSize;
62 static const float EnvelopeThreshold;
64 static const int MaximumVDivs;
65 static const int MaxScaleIndex, MinScaleIndex;
66 static const int InfoTextMarginRight, InfoTextMarginBottom;
75 AnalogSignal(pv::Session &session, shared_ptr<data::SignalBase> base);
77 shared_ptr<pv::data::SignalData> data() const;
79 virtual void save_settings(QSettings &settings) const;
81 virtual void restore_settings(QSettings &settings);
84 * Computes the vertical extents of the contents of this row item.
85 * @return A pair containing the minimum and maximum y-values.
87 pair<int, int> v_extents() const;
89 virtual void on_setting_changed(const QString &key, const QVariant &value);
92 * Paints the background layer of the signal with a QPainter
93 * @param p the QPainter to paint into.
94 * @param pp the painting parameters object to paint with..
96 void paint_back(QPainter &p, ViewItemPaintParams &pp);
99 * Paints the mid-layer of the signal with a QPainter
100 * @param p the QPainter to paint into.
101 * @param pp the painting parameters object to paint with..
103 void paint_mid(QPainter &p, ViewItemPaintParams &pp);
106 * Paints the foreground layer of the item with a QPainter
107 * @param p the QPainter to paint into.
108 * @param pp the painting parameters object to paint with.
110 void paint_fore(QPainter &p, ViewItemPaintParams &pp);
113 void paint_grid(QPainter &p, int y, int left, int right);
115 void paint_trace(QPainter &p,
116 const shared_ptr<pv::data::AnalogSegment> &segment,
117 int y, int left, const int64_t start, const int64_t end,
118 const double pixels_offset, const double samples_per_pixel);
120 void paint_envelope(QPainter &p,
121 const shared_ptr<pv::data::AnalogSegment> &segment,
122 int y, int left, const int64_t start, const int64_t end,
123 const double pixels_offset, const double samples_per_pixel);
125 void paint_logic_mid(QPainter &p, ViewItemPaintParams &pp);
127 void paint_logic_caps(QPainter &p, QLineF *const lines,
128 vector< pair<int64_t, bool> > &edges,
129 bool level, double samples_per_pixel, double pixels_offset,
130 float x_offset, float y_offset);
132 shared_ptr<pv::data::AnalogSegment> get_analog_segment_to_paint() const;
133 shared_ptr<pv::data::LogicSegment> get_logic_segment_to_paint() const;
136 * Computes the scale factor from the scale index and vdiv settings.
138 float get_resolution(int scale_index);
142 void update_conversion_widgets();
145 * Determines the closest level change (i.e. edge) to a given sample, which
146 * is useful for e.g. the "snap to edge" functionality.
148 * @param sample_pos Sample to use
149 * @return The changes left and right of the given position
151 virtual vector<data::LogicSegment::EdgePair> get_nearest_level_changes(uint64_t sample_pos);
153 void perform_autoranging(bool keep_divs, bool force_update);
155 void reset_pixel_values();
156 void process_next_sample_value(float x, float value);
159 void populate_popup_form(QWidget *parent, QFormLayout *form);
161 virtual void hover_point_changed(const QPoint &hp);
164 void on_min_max_changed(float min, float max);
166 void on_pos_vdivs_changed(int vdivs);
167 void on_neg_vdivs_changed(int vdivs);
168 void on_div_height_changed(int height);
170 void on_resolution_changed(int index);
172 void on_autoranging_changed(int state);
174 void on_conversion_changed(int index);
175 void on_conv_threshold_changed(int index=-1);
176 void on_delayed_conversion_starter();
178 void on_display_type_changed(int index);
180 void on_settingViewConversionThresholdDispMode_changed(const QVariant new_value);
183 QComboBox *resolution_cb_, *conversion_cb_, *conv_threshold_cb_,
185 QSpinBox *pvdiv_sb_, *nvdiv_sb_, *div_height_sb_;
191 int pos_vdivs_, neg_vdivs_; // divs per positive/negative side
192 float resolution_; // e.g. 10 for 10 V/div
194 DisplayType display_type_;
196 int conversion_threshold_disp_mode_;
198 vector<float> value_at_pixel_pos_;
199 float value_at_hover_pos_;
200 float prev_value_at_pixel_; // Only used during lookup table update
201 float min_value_at_pixel_, max_value_at_pixel_; // Only used during lookup table update
202 int current_pixel_pos_; // Only used during lookup table update
209 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP