Session: Fix issue #67 by improving error handling

[pulseview.git] / pv / view / analogsignal.cpp

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
deleted file mode 100644 (file)
index 7ea6a6f..0000000
--- a/pv/view/analogsignal.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * 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 "analogsignal.h"
-#include "pv/data/analog.h"
-#include "pv/data/analogsnapshot.h"
-
-using namespace boost;
-using namespace std;
-
-namespace pv {
-namespace view {
-
-AnalogSignal::AnalogSignal(QString name, shared_ptr<data::Analog> data) :
-       Signal(name),
-       _data(data)
-{
-       _colour = Qt::blue;
-}
-
-void AnalogSignal::paint(QPainter &p, int y, int left, int right, double scale,
-       double offset)
-{
-       assert(scale > 0);
-       assert(_data);
-       assert(right >= left);
-
-       paint_axis(p, y, left, right);
-
-       const deque< shared_ptr<pv::data::AnalogSnapshot> > &snapshots =
-               _data->get_snapshots();
-       if (snapshots.empty())
-               return;
-
-       const shared_ptr<pv::data::AnalogSnapshot> &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 * (right - left);
-
-       const int64_t start_sample = min(max((int64_t)floor(start),
-               (int64_t)0), last_sample);
-       const int64_t end_sample = min(max((int64_t)ceil(end),
-               (int64_t)0), last_sample);
-
-       const float* samples = snapshot->get_samples();
-       assert(samples);
-
-       QPointF *points = new QPointF[end_sample - start_sample];
-       QPointF *point = points;
-
-       for (int64_t sample = start_sample;
-               sample != end_sample; sample++) {
-               const float x = (sample / samples_per_pixel -
-                       pixels_offset) + left;
-               *point++ = QPointF(x, samples[sample] + y);
-       }
-
-       p.drawPoints(points, point - points);
-
-       delete[] points;
-}
-
-} // namespace view
-} // namespace pv