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
31 using std::shared_ptr;
44 class AnalogSignal : public Signal
49 static const QPen AxisPen;
50 static const QColor SignalColours[4];
51 static const QColor GridMajorColor, GridMinorColor;
52 static const QColor SamplingPointColour;
53 static const QColor SamplingPointColourLo;
54 static const QColor SamplingPointColourNe;
55 static const QColor SamplingPointColourHi;
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 virtual ~AnalogSignal() = default;
79 shared_ptr<pv::data::SignalData> data() const;
81 virtual void save_settings(QSettings &settings) const;
83 virtual void restore_settings(QSettings &settings);
86 * Computes the vertical extents of the contents of this row item.
87 * @return A pair containing the minimum and maximum y-values.
89 pair<int, int> v_extents() const;
92 * Returns the offset to show the drag handle.
94 int scale_handle_offset() const;
97 * Handles the scale handle being dragged to an offset.
98 * @param offset the offset the scale handle was dragged to.
100 void scale_handle_dragged(int offset);
103 * @copydoc pv::view::Signal::signal_scale_handle_drag_release()
105 void scale_handle_drag_release();
108 * Paints the background layer of the signal with a QPainter
109 * @param p the QPainter to paint into.
110 * @param pp the painting parameters object to paint with..
112 void paint_back(QPainter &p, ViewItemPaintParams &pp);
115 * Paints the mid-layer of the signal with a QPainter
116 * @param p the QPainter to paint into.
117 * @param pp the painting parameters object to paint with..
119 void paint_mid(QPainter &p, ViewItemPaintParams &pp);
122 * Paints the foreground layer of the item with a QPainter
123 * @param p the QPainter to paint into.
124 * @param pp the painting parameters object to paint with.
126 void paint_fore(QPainter &p, ViewItemPaintParams &pp);
129 void paint_grid(QPainter &p, int y, int left, int right);
131 void paint_trace(QPainter &p,
132 const shared_ptr<pv::data::AnalogSegment> &segment,
133 int y, int left, const int64_t start, const int64_t end,
134 const double pixels_offset, const double samples_per_pixel);
136 void paint_envelope(QPainter &p,
137 const shared_ptr<pv::data::AnalogSegment> &segment,
138 int y, int left, const int64_t start, const int64_t end,
139 const double pixels_offset, const double samples_per_pixel);
141 void paint_logic_mid(QPainter &p, ViewItemPaintParams &pp);
143 void paint_logic_caps(QPainter &p, QLineF *const lines,
144 vector< pair<int64_t, bool> > &edges,
145 bool level, double samples_per_pixel, double pixels_offset,
146 float x_offset, float y_offset);
149 * Computes the scale factor from the scale index and vdiv settings.
151 float get_resolution(int scale_index);
155 void update_conversion_widgets();
157 void perform_autoranging(bool keep_divs, bool force_update);
160 void populate_popup_form(QWidget *parent, QFormLayout *form);
163 void on_min_max_changed(float min, float max);
165 void on_pos_vdivs_changed(int vdivs);
166 void on_neg_vdivs_changed(int vdivs);
167 void on_div_height_changed(int height);
169 void on_resolution_changed(int index);
171 void on_autoranging_changed(int state);
173 void on_conversion_changed(int index);
174 void on_conv_threshold_changed(int index=-1);
175 void on_delayed_conversion_starter();
177 void on_display_type_changed(int index);
179 void on_settingViewConversionThresholdDispMode_changed(const QVariant new_value);
182 QComboBox *resolution_cb_, *conversion_cb_, *conv_threshold_cb_,
184 QSpinBox *pvdiv_sb_, *nvdiv_sb_, *div_height_sb_;
188 int scale_index_drag_offset_;
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_;
203 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP