+++ /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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <extdef.h>
-
-#include <math.h>
-
-#include "logicdata.h"
-#include "logicdatasnapshot.h"
-#include "logicsignal.h"
-
-using namespace boost;
-using namespace std;
-
-namespace pv {
-
-const float LogicSignal::Margin = 10.0f;
-const float LogicSignal::Oversampling = 2.0f;
-
-const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
-const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
-const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
-
-const QColor LogicSignal::LogicSignalColours[10] = {
- QColor(0x16, 0x19, 0x1A), // Black
- QColor(0x8F, 0x52, 0x02), // Brown
- QColor(0xCC, 0x00, 0x00), // Red
- QColor(0xF5, 0x79, 0x00), // Orange
- QColor(0xED, 0xD4, 0x00), // Yellow
- QColor(0x73, 0xD2, 0x16), // Green
- QColor(0x34, 0x65, 0xA4), // Blue
- QColor(0x75, 0x50, 0x7B), // Violet
- QColor(0x88, 0x8A, 0x85), // Grey
- QColor(0xEE, 0xEE, 0xEC), // White
-};
-
-LogicSignal::LogicSignal(QString name, shared_ptr<LogicData> data,
- int probe_index) :
- Signal(name),
- _probe_index(probe_index),
- _data(data)
-{
- assert(_probe_index >= 0);
- _colour = LogicSignalColours[
- _probe_index % countof(LogicSignalColours)];
-}
-
-void LogicSignal::paint(QPainter &p, const QRect &rect, double scale,
- double offset)
-{
- QLineF *line;
-
- vector< pair<int64_t, bool> > edges;
-
- assert(scale > 0);
- assert(_data);
-
- const float high_offset = rect.top() + Margin + 0.5f;
- const float low_offset = rect.bottom() - Margin + 0.5f;
-
- const deque< shared_ptr<LogicDataSnapshot> > &snapshots =
- _data->get_snapshots();
- if(snapshots.empty())
- return;
-
- const shared_ptr<LogicDataSnapshot> &snapshot = snapshots.front();
-
- const double pixels_offset = offset / scale;
- const double samplerate = _data->get_samplerate();
- const double start_time = _data->get_start_time();
- const int64_t last_sample = snapshot->get_sample_count() - 1;
- const double samples_per_pixel = samplerate * scale;
- const double start = samplerate * (offset - start_time);
- const double end = start + samples_per_pixel * rect.width();
-
- snapshot->get_subsampled_edges(edges,
- min(max((int64_t)floor(start), (int64_t)0), last_sample),
- min(max((int64_t)ceil(end), (int64_t)0), last_sample),
- samples_per_pixel / Oversampling, _probe_index);
- assert(edges.size() >= 2);
-
- // Paint the edges
- const unsigned int edge_count = edges.size() - 2;
- QLineF *const edge_lines = new QLineF[edge_count];
- line = edge_lines;
-
- for(vector<LogicDataSnapshot::EdgePair>::const_iterator i =
- edges.begin() + 1;
- i != edges.end() - 1; i++) {
- const float x = ((*i).first / samples_per_pixel -
- pixels_offset) + rect.left();
- *line++ = QLineF(x, high_offset, x, low_offset);
- }
-
- p.setPen(EdgeColour);
- p.drawLines(edge_lines, edge_count);
- delete[] edge_lines;
-
- // Paint the caps
- const unsigned int max_cap_line_count = (edges.size() - 1);
- QLineF *const cap_lines = new QLineF[max_cap_line_count];
-
- p.setPen(HighColour);
- paint_caps(p, cap_lines, edges, true, samples_per_pixel,
- pixels_offset, rect.left(), high_offset);
- p.setPen(LowColour);
- paint_caps(p, cap_lines, edges, false, samples_per_pixel,
- pixels_offset, rect.left(), low_offset);
-
- delete[] cap_lines;
-}
-
-void LogicSignal::paint_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)
-{
- QLineF *line = lines;
-
- for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin();
- i != (edges.end() - 1); i++)
- if((*i).second == level) {
- *line++ = QLineF(
- ((*i).first / samples_per_pixel -
- pixels_offset) + x_offset, y_offset,
- ((*(i+1)).first / samples_per_pixel -
- pixels_offset) + x_offset, y_offset);
- }
-
- p.drawLines(lines, line - lines);
-}
-
-int LogicSignal::get_nominal_offset(const QRect &rect) const
-{
- return rect.bottom() - Margin;
-}
-
-} // namespace pv