mirror of
https://github.com/f4exb/sdrangel.git
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1808 lines
48 KiB
C++
1808 lines
48 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016 F4EXB //
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// written by Edouard Griffiths //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#if 0 //def USE_SSE2
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#include <emmintrin.h>
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#endif
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#include <QMouseEvent>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLFunctions>
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#include <QPainter>
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#include "gui/glspectrum.h"
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#include "util/messagequeue.h"
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#include <QDebug>
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MESSAGE_CLASS_DEFINITION(GLSpectrum::MsgReportSampleRate, Message)
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GLSpectrum::GLSpectrum(QWidget* parent) :
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QGLWidget(parent),
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m_cursorState(CSNormal),
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m_cursorChannel(0),
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m_mouseInside(false),
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m_changesPending(true),
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m_centerFrequency(100000000),
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m_referenceLevel(0),
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m_powerRange(100),
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m_linear(false),
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m_decay(1),
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m_sampleRate(500000),
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m_timingRate(1),
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m_fftSize(512),
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m_displayGrid(true),
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m_displayGridIntensity(5),
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m_displayTraceIntensity(50),
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m_invertedWaterfall(false),
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m_displayMaxHold(false),
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m_currentSpectrum(0),
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m_displayCurrent(false),
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m_waterfallBuffer(0),
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m_waterfallBufferPos(0),
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m_waterfallTextureHeight(-1),
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m_waterfallTexturePos(0),
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m_displayWaterfall(true),
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m_ssbSpectrum(false),
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m_lsbDisplay(false),
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m_histogramBuffer(0),
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m_histogram(0),
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m_displayHistogram(true),
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m_displayChanged(false),
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m_matrixLoc(0),
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m_colorLoc(0),
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m_messageQueueToGUI(0)
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{
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setAutoFillBackground(false);
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setAttribute(Qt::WA_OpaquePaintEvent, true);
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setAttribute(Qt::WA_NoSystemBackground, true);
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setMouseTracking(true);
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setMinimumSize(200, 200);
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m_waterfallShare = 0.66;
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for(int i = 0; i <= 239; i++) {
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QColor c;
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c.setHsv(239 - i, 255, 15 + i);
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((quint8*)&m_waterfallPalette[i])[0] = c.red();
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((quint8*)&m_waterfallPalette[i])[1] = c.green();
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((quint8*)&m_waterfallPalette[i])[2] = c.blue();
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((quint8*)&m_waterfallPalette[i])[3] = c.alpha();
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}
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m_waterfallPalette[239] = 0xffffffff;
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m_histogramPalette[0] = 0;
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for (int i = 1; i < 240; i++)
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{
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QColor c;
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int light = i < 60 ? 128 + (60-i) : 128;
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int sat = i < 60 ? 140 + i : i < 180 ? 200 : 200 - (i-180);
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c.setHsl(239 - i, sat, light);
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((quint8*)&m_histogramPalette[i])[0] = c.red();
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((quint8*)&m_histogramPalette[i])[1] = c.green();
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((quint8*)&m_histogramPalette[i])[2] = c.blue();
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((quint8*)&m_histogramPalette[i])[3] = c.alpha();
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}
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// 4.2.3 palette
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// for (int i = 1; i < 240; i++)
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// {
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// QColor c;
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// int val = i < 60 ? 255 : 200;
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// int sat = i < 60 ? 128 : i < 180 ? 255 : 180;
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// c.setHsv(239 - i, sat, val);
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// ((quint8*)&m_histogramPalette[i])[0] = c.red();
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// ((quint8*)&m_histogramPalette[i])[1] = c.green();
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// ((quint8*)&m_histogramPalette[i])[2] = c.blue();
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// ((quint8*)&m_histogramPalette[i])[3] = c.alpha();
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// }
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// Original palette:
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// for(int i = 16; i < 240; i++) {
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// QColor c;
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// c.setHsv(239 - i, 255 - ((i < 200) ? 0 : (i - 200) * 3), 150 + ((i < 100) ? i : 100));
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// ((quint8*)&m_histogramPalette[i])[0] = c.red();
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// ((quint8*)&m_histogramPalette[i])[1] = c.green();
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// ((quint8*)&m_histogramPalette[i])[2] = c.blue();
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// ((quint8*)&m_histogramPalette[i])[3] = c.alpha();
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// }
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// for(int i = 1; i < 16; i++) {
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// QColor c;
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// c.setHsv(255, 128, 48 + i * 4);
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// ((quint8*)&m_histogramPalette[i])[0] = c.red();
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// ((quint8*)&m_histogramPalette[i])[1] = c.green();
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// ((quint8*)&m_histogramPalette[i])[2] = c.blue();
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// ((quint8*)&m_histogramPalette[i])[3] = c.alpha();
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// }
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m_decayDivisor = 1;
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m_decayDivisorCount = m_decayDivisor;
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m_histogramStroke = 30;
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m_timeScale.setFont(font());
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m_timeScale.setOrientation(Qt::Vertical);
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m_timeScale.setRange(Unit::Time, 0, 1);
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m_powerScale.setFont(font());
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m_powerScale.setOrientation(Qt::Vertical);
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m_frequencyScale.setFont(font());
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m_frequencyScale.setOrientation(Qt::Horizontal);
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connect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
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m_timer.start(50);
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}
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GLSpectrum::~GLSpectrum()
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{
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cleanup();
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QMutexLocker mutexLocker(&m_mutex);
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m_changesPending = true;
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if(m_waterfallBuffer != NULL) {
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delete m_waterfallBuffer;
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m_waterfallBuffer = NULL;
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}
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if(m_histogramBuffer != NULL) {
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delete m_histogramBuffer;
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m_histogramBuffer = NULL;
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}
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if(m_histogram != NULL) {
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delete[] m_histogram;
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m_histogram = NULL;
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}
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}
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void GLSpectrum::setCenterFrequency(qint64 frequency)
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{
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m_centerFrequency = frequency;
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m_changesPending = true;
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update();
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}
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void GLSpectrum::setReferenceLevel(Real referenceLevel)
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{
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m_referenceLevel = referenceLevel;
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m_changesPending = true;
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update();
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}
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void GLSpectrum::setPowerRange(Real powerRange)
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{
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m_powerRange = powerRange;
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m_changesPending = true;
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update();
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}
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void GLSpectrum::setDecay(int decay)
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{
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m_decay = decay < 0 ? 0 : decay > 20 ? 20 : decay;
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}
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void GLSpectrum::setDecayDivisor(int decayDivisor)
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{
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m_decayDivisor = decayDivisor < 1 ? 1 : decayDivisor > 20 ? 20 : decayDivisor;
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}
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void GLSpectrum::setHistoStroke(int stroke)
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{
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m_histogramStroke = stroke < 1 ? 1 : stroke > 60 ? 60 : stroke;
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}
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void GLSpectrum::setSampleRate(qint32 sampleRate)
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{
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m_sampleRate = sampleRate;
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if (m_messageQueueToGUI) {
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m_messageQueueToGUI->push(new MsgReportSampleRate(m_sampleRate));
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}
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m_changesPending = true;
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update();
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}
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void GLSpectrum::setTimingRate(qint32 timingRate)
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{
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m_timingRate = timingRate;
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m_changesPending = true;
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update();
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}
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void GLSpectrum::setDisplayWaterfall(bool display)
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{
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m_displayWaterfall = display;
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::setSsbSpectrum(bool ssbSpectrum)
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{
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m_ssbSpectrum = ssbSpectrum;
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update();
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}
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void GLSpectrum::setLsbDisplay(bool lsbDisplay)
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{
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m_lsbDisplay = lsbDisplay;
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update();
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}
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void GLSpectrum::setInvertedWaterfall(bool inv)
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{
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m_invertedWaterfall = inv;
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::setDisplayMaxHold(bool display)
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{
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m_displayMaxHold = display;
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::setDisplayCurrent(bool display)
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{
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m_displayCurrent = display;
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::setDisplayHistogram(bool display)
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{
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m_displayHistogram = display;
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::setDisplayGrid(bool display)
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{
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m_displayGrid = display;
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update();
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}
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void GLSpectrum::setDisplayGridIntensity(int intensity)
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{
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m_displayGridIntensity = intensity;
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if (m_displayGridIntensity > 100) {
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m_displayGridIntensity = 100;
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} else if (m_displayGridIntensity < 0) {
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m_displayGridIntensity = 0;
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}
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update();
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}
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void GLSpectrum::setDisplayTraceIntensity(int intensity)
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{
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m_displayTraceIntensity = intensity;
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if (m_displayTraceIntensity > 100) {
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m_displayTraceIntensity = 100;
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} else if (m_displayTraceIntensity < 0) {
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m_displayTraceIntensity = 0;
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}
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update();
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}
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void GLSpectrum::setLinear(bool linear)
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{
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m_linear = linear;
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m_changesPending = true;
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update();
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}
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void GLSpectrum::addChannelMarker(ChannelMarker* channelMarker)
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{
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QMutexLocker mutexLocker(&m_mutex);
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connect(channelMarker, SIGNAL(changedByAPI()), this, SLOT(channelMarkerChanged()));
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connect(channelMarker, SIGNAL(destroyed(QObject*)), this, SLOT(channelMarkerDestroyed(QObject*)));
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m_channelMarkerStates.append(new ChannelMarkerState(channelMarker));
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m_changesPending = true;
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stopDrag();
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update();
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}
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void GLSpectrum::removeChannelMarker(ChannelMarker* channelMarker)
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{
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QMutexLocker mutexLocker(&m_mutex);
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for(int i = 0; i < m_channelMarkerStates.size(); ++i) {
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if(m_channelMarkerStates[i]->m_channelMarker == channelMarker) {
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channelMarker->disconnect(this);
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delete m_channelMarkerStates.takeAt(i);
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m_changesPending = true;
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stopDrag();
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update();
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return;
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}
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}
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}
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void GLSpectrum::newSpectrum(const std::vector<Real>& spectrum, int fftSize)
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_displayChanged = true;
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if(m_changesPending) {
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m_fftSize = fftSize;
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return;
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}
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if(fftSize != m_fftSize) {
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m_fftSize = fftSize;
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m_changesPending = true;
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return;
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}
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updateWaterfall(spectrum);
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updateHistogram(spectrum);
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}
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void GLSpectrum::updateWaterfall(const std::vector<Real>& spectrum)
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{
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if(m_waterfallBufferPos < m_waterfallBuffer->height()) {
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quint32* pix = (quint32*)m_waterfallBuffer->scanLine(m_waterfallBufferPos);
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for(int i = 0; i < m_fftSize; i++) {
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int v = (int)((spectrum[i] - m_referenceLevel) * 2.4 * 100.0 / m_powerRange + 240.0);
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if(v > 239)
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v = 239;
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else if(v < 0)
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v = 0;
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*pix++ = m_waterfallPalette[(int)v];
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}
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m_waterfallBufferPos++;
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}
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}
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void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
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{
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quint8* b = m_histogram;
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int fftMulSize = 100 * m_fftSize;
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if ((m_displayHistogram || m_displayMaxHold) && (m_decay != 0))
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{
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m_decayDivisorCount--;
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if ((m_decay > 1) || (m_decayDivisorCount <= 0))
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{
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for (int i = 0; i < fftMulSize; i++)
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{
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if (*b > m_decay) {
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*b = *b - m_decay;
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} else {
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*b = 0;
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}
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b++;
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}
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m_decayDivisorCount = m_decayDivisor;
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}
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}
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m_currentSpectrum = &spectrum; // Store spectrum for current spectrum line display
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#if 0 //def USE_SSE2
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if(m_decay >= 0) { // normal
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const __m128 refl = {m_referenceLevel, m_referenceLevel, m_referenceLevel, m_referenceLevel};
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const __m128 power = {m_powerRange, m_powerRange, m_powerRange, m_powerRange};
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const __m128 mul = {100.0f, 100.0f, 100.0f, 100.0f};
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for(int i = 0; i < m_fftSize; i += 4) {
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__m128 abc = _mm_loadu_ps (&spectrum[i]);
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abc = _mm_sub_ps(abc, refl);
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abc = _mm_mul_ps(abc, mul);
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abc = _mm_div_ps(abc, power);
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abc = _mm_add_ps(abc, mul);
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__m128i result = _mm_cvtps_epi32(abc);
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for(int j = 0; j < 4; j++) {
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int v = ((int*)&result)[j];
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if((v >= 0) && (v <= 99)) {
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b = m_histogram + (i + j) * 100 + v;
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if(*b < 220)
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*b += m_histogramStroke; // was 4
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else if(*b < 239)
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*b += 1;
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}
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}
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}
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} else { // draw double pixels
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int add = -m_decay * 4;
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const __m128 refl = {m_referenceLevel, m_referenceLevel, m_referenceLevel, m_referenceLevel};
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const __m128 power = {m_powerRange, m_powerRange, m_powerRange, m_powerRange};
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const __m128 mul = {100.0f, 100.0f, 100.0f, 100.0f};
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for(int i = 0; i < m_fftSize; i += 4) {
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__m128 abc = _mm_loadu_ps (&spectrum[i]);
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abc = _mm_sub_ps(abc, refl);
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abc = _mm_mul_ps(abc, mul);
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abc = _mm_div_ps(abc, power);
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abc = _mm_add_ps(abc, mul);
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__m128i result = _mm_cvtps_epi32(abc);
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for(int j = 0; j < 4; j++) {
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int v = ((int*)&result)[j];
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if((v >= 1) && (v <= 98)) {
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b = m_histogram + (i + j) * 100 + v;
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if(b[-1] < 220)
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b[-1] += add;
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else if(b[-1] < 239)
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b[-1] += 1;
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if(b[0] < 220)
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b[0] += add;
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else if(b[0] < 239)
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b[0] += 1;
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if(b[1] < 220)
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b[1] += add;
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else if(b[1] < 239)
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b[1] += 1;
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} else if((v >= 0) && (v <= 99)) {
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b = m_histogram + (i + j) * 100 + v;
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if(*b < 220)
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*b += add;
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else if(*b < 239)
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*b += 1;
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}
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}
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}
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}
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#else
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for (int i = 0; i < m_fftSize; i++)
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{
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int v = (int)((spectrum[i] - m_referenceLevel) * 100.0 / m_powerRange + 100.0);
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if ((v >= 0) && (v <= 99))
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{
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b = m_histogram + i * 100 + v;
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// capping to 239 as palette values are [0..239]
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if (*b + m_histogramStroke <= 239) {
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*b += m_histogramStroke; // was 4
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} else {
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*b = 239;
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}
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}
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}
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#endif
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}
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void GLSpectrum::initializeGL()
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{
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QOpenGLContext *glCurrentContext = QOpenGLContext::currentContext();
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if (glCurrentContext) {
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if (QOpenGLContext::currentContext()->isValid()) {
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qDebug() << "GLSpectrum::initializeGL: context:"
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<< " major: " << (QOpenGLContext::currentContext()->format()).majorVersion()
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<< " minor: " << (QOpenGLContext::currentContext()->format()).minorVersion()
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<< " ES: " << (QOpenGLContext::currentContext()->isOpenGLES() ? "yes" : "no");
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}
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else {
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qDebug() << "GLSpectrum::initializeGL: current context is invalid";
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}
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} else {
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qCritical() << "GLSpectrum::initializeGL: no current context";
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return;
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}
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|
|
connect(glCurrentContext, &QOpenGLContext::aboutToBeDestroyed, this, &GLSpectrum::cleanup); // TODO: when migrating to QOpenGLWidget
|
|
|
|
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
|
|
glFunctions->initializeOpenGLFunctions();
|
|
|
|
//glDisable(GL_DEPTH_TEST);
|
|
m_glShaderSimple.initializeGL();
|
|
m_glShaderLeftScale.initializeGL();
|
|
m_glShaderFrequencyScale.initializeGL();
|
|
m_glShaderWaterfall.initializeGL();
|
|
m_glShaderHistogram.initializeGL();
|
|
}
|
|
|
|
void GLSpectrum::resizeGL(int width, int height)
|
|
{
|
|
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
|
|
glFunctions->glViewport(0, 0, width, height);
|
|
m_changesPending = true;
|
|
}
|
|
|
|
void GLSpectrum::clearSpectrumHistogram()
|
|
{
|
|
if(!m_mutex.tryLock(2))
|
|
return;
|
|
|
|
memset(m_histogram, 0x00, 100 * m_fftSize);
|
|
|
|
m_mutex.unlock();
|
|
update();
|
|
}
|
|
|
|
void GLSpectrum::paintGL()
|
|
{
|
|
if(!m_mutex.tryLock(2))
|
|
return;
|
|
|
|
if(m_changesPending)
|
|
applyChanges();
|
|
|
|
if(m_fftSize <= 0) {
|
|
m_mutex.unlock();
|
|
return;
|
|
}
|
|
|
|
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
|
|
glFunctions->glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
|
glFunctions->glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
// paint waterfall
|
|
if (m_displayWaterfall)
|
|
{
|
|
{
|
|
GLfloat vtx1[] = {
|
|
0, m_invertedWaterfall ? 0.0f : 1.0f,
|
|
1, m_invertedWaterfall ? 0.0f : 1.0f,
|
|
1, m_invertedWaterfall ? 1.0f : 0.0f,
|
|
0, m_invertedWaterfall ? 1.0f : 0.0f
|
|
};
|
|
|
|
|
|
if (m_waterfallTexturePos + m_waterfallBufferPos < m_waterfallTextureHeight)
|
|
{
|
|
m_glShaderWaterfall.subTexture(0, m_waterfallTexturePos, m_fftSize, m_waterfallBufferPos, m_waterfallBuffer->scanLine(0));
|
|
m_waterfallTexturePos += m_waterfallBufferPos;
|
|
}
|
|
else
|
|
{
|
|
int breakLine = m_waterfallTextureHeight - m_waterfallTexturePos;
|
|
int linesLeft = m_waterfallTexturePos + m_waterfallBufferPos - m_waterfallTextureHeight;
|
|
m_glShaderWaterfall.subTexture(0, m_waterfallTexturePos, m_fftSize, breakLine, m_waterfallBuffer->scanLine(0));
|
|
m_glShaderWaterfall.subTexture(0, 0, m_fftSize, linesLeft, m_waterfallBuffer->scanLine(breakLine));
|
|
m_waterfallTexturePos = linesLeft;
|
|
}
|
|
|
|
m_waterfallBufferPos = 0;
|
|
|
|
float prop_y = m_waterfallTexturePos / (m_waterfallTextureHeight - 1.0);
|
|
float off = 1.0 / (m_waterfallTextureHeight - 1.0);
|
|
|
|
GLfloat tex1[] = {
|
|
0, prop_y + 1 - off,
|
|
1, prop_y + 1 - off,
|
|
1, prop_y,
|
|
0, prop_y
|
|
};
|
|
|
|
m_glShaderWaterfall.drawSurface(m_glWaterfallBoxMatrix, tex1, vtx1, 4);
|
|
}
|
|
|
|
// paint channels
|
|
if (m_mouseInside)
|
|
{
|
|
for (int i = 0; i < m_channelMarkerStates.size(); ++i)
|
|
{
|
|
ChannelMarkerState* dv = m_channelMarkerStates[i];
|
|
if (dv->m_channelMarker->getVisible())
|
|
{
|
|
{
|
|
GLfloat q3[] {
|
|
0, 0,
|
|
1, 0,
|
|
1, 1,
|
|
0, 1,
|
|
0.5, 0,
|
|
0.5, 1,
|
|
};
|
|
|
|
QVector4D color(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.3f);
|
|
m_glShaderSimple.drawSurface(dv->m_glMatrixWaterfall, color, q3, 4);
|
|
|
|
QVector4D colorLine(0.8f, 0.8f, 0.6f, 1.0f);
|
|
m_glShaderSimple.drawSegments(dv->m_glMatrixDsbWaterfall, colorLine, &q3[8], 2);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// draw rect around
|
|
{
|
|
GLfloat q3[] {
|
|
1, 1,
|
|
0, 1,
|
|
0, 0,
|
|
1, 0
|
|
};
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
|
|
m_glShaderSimple.drawContour(m_glWaterfallBoxMatrix, color, q3, 4);
|
|
}
|
|
}
|
|
|
|
// paint histogram
|
|
if(m_displayHistogram || m_displayMaxHold || m_displayCurrent)
|
|
{
|
|
if(m_displayHistogram)
|
|
{
|
|
{
|
|
// import new lines into the texture
|
|
quint32* pix;
|
|
quint8* bs = m_histogram;
|
|
|
|
for (int y = 0; y < 100; y++)
|
|
{
|
|
quint8* b = bs;
|
|
pix = (quint32*)m_histogramBuffer->scanLine(99 - y);
|
|
|
|
for (int x = 0; x < m_fftSize; x++)
|
|
{
|
|
*pix = m_histogramPalette[*b];
|
|
pix++;
|
|
b += 100;
|
|
}
|
|
|
|
bs++;
|
|
}
|
|
|
|
GLfloat vtx1[] = {
|
|
0, 0,
|
|
1, 0,
|
|
1, 1,
|
|
0, 1
|
|
};
|
|
GLfloat tex1[] = {
|
|
0, 0,
|
|
1, 0,
|
|
1, 1,
|
|
0, 1
|
|
};
|
|
|
|
m_glShaderHistogram.subTexture(0, 0, m_fftSize, 100, m_histogramBuffer->scanLine(0));
|
|
m_glShaderHistogram.drawSurface(m_glHistogramBoxMatrix, tex1, vtx1, 4);
|
|
}
|
|
}
|
|
|
|
|
|
// paint channels
|
|
if(m_mouseInside)
|
|
{
|
|
// Effective BW overlays
|
|
for(int i = 0; i < m_channelMarkerStates.size(); ++i)
|
|
{
|
|
ChannelMarkerState* dv = m_channelMarkerStates[i];
|
|
if(dv->m_channelMarker->getVisible())
|
|
{
|
|
{
|
|
GLfloat q3[] {
|
|
0, 0,
|
|
1, 0,
|
|
1, 1,
|
|
0, 1,
|
|
0.5, 0,
|
|
0.5, 1
|
|
};
|
|
|
|
QVector4D color(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.3f);
|
|
m_glShaderSimple.drawSurface(dv->m_glMatrixHistogram, color, q3, 4);
|
|
|
|
QVector4D colorLine(0.8f, 0.8f, 0.6f, 1.0f);
|
|
|
|
if (dv->m_channelMarker->getSidebands() != ChannelMarker::dsb) {
|
|
q3[6] = 0.5;
|
|
}
|
|
|
|
m_glShaderSimple.drawSegments(dv->m_glMatrixDsbHistogram, colorLine, &q3[8], 2);
|
|
m_glShaderSimple.drawSegments(dv->m_glMatrixFreqScale, colorLine, q3, 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// draw rect around
|
|
{
|
|
GLfloat q3[] {
|
|
1, 1,
|
|
0, 1,
|
|
0, 0,
|
|
1, 0
|
|
};
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
|
|
m_glShaderSimple.drawContour(m_glHistogramBoxMatrix, color, q3, 4);
|
|
}
|
|
}
|
|
|
|
// paint left scales (time and power)
|
|
if (m_displayWaterfall || m_displayMaxHold || m_displayCurrent || m_displayHistogram )
|
|
{
|
|
{
|
|
GLfloat vtx1[] = {
|
|
0, 1,
|
|
1, 1,
|
|
1, 0,
|
|
0, 0
|
|
};
|
|
GLfloat tex1[] = {
|
|
0, 1,
|
|
1, 1,
|
|
1, 0,
|
|
0, 0
|
|
};
|
|
|
|
m_glShaderLeftScale.drawSurface(m_glLeftScaleBoxMatrix, tex1, vtx1, 4);
|
|
}
|
|
}
|
|
|
|
// paint frequency scale
|
|
if (m_displayWaterfall || m_displayMaxHold || m_displayCurrent || m_displayHistogram )
|
|
{
|
|
{
|
|
GLfloat vtx1[] = {
|
|
0, 1,
|
|
1, 1,
|
|
1, 0,
|
|
0, 0
|
|
};
|
|
GLfloat tex1[] = {
|
|
0, 1,
|
|
1, 1,
|
|
1, 0,
|
|
0, 0
|
|
};
|
|
|
|
m_glShaderFrequencyScale.drawSurface(m_glFrequencyScaleBoxMatrix, tex1, vtx1, 4);
|
|
}
|
|
|
|
// paint channels
|
|
|
|
// Effective bandwidth overlays
|
|
for(int i = 0; i < m_channelMarkerStates.size(); ++i)
|
|
{
|
|
ChannelMarkerState* dv = m_channelMarkerStates[i];
|
|
|
|
// frequency scale channel overlay
|
|
if(dv->m_channelMarker->getVisible())
|
|
{
|
|
{
|
|
GLfloat q3[] {
|
|
1, 0.2,
|
|
0, 0.2,
|
|
0, 0,
|
|
1, 0,
|
|
0.5, 0,
|
|
0.5, 1
|
|
};
|
|
|
|
QVector4D color(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.5f);
|
|
m_glShaderSimple.drawSurface(dv->m_glMatrixFreqScale, color, q3, 4);
|
|
|
|
if (dv->m_channelMarker->getHighlighted())
|
|
{
|
|
QVector4D colorLine(0.8f, 0.8f, 0.6f, 1.0f);
|
|
m_glShaderSimple.drawSegments(dv->m_glMatrixDsbFreqScale, colorLine, &q3[8], 2);
|
|
m_glShaderSimple.drawSegments(dv->m_glMatrixFreqScale, colorLine, &q3[4], 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// paint max hold lines on top of histogram
|
|
if (m_displayMaxHold)
|
|
{
|
|
if (m_maxHold.size() < (uint) m_fftSize) {
|
|
m_maxHold.resize(m_fftSize);
|
|
}
|
|
|
|
for (int i = 0; i < m_fftSize; i++)
|
|
{
|
|
int j;
|
|
quint8* bs = m_histogram + i * 100;
|
|
|
|
for (j = 99; j >= 0; j--)
|
|
{
|
|
if (bs[j] > 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// m_referenceLevel : top
|
|
// m_referenceLevel - m_powerRange : bottom
|
|
m_maxHold[i] = ((j - 99) * m_powerRange) / 99.0 + m_referenceLevel;
|
|
}
|
|
{
|
|
GLfloat *q3 = m_q3FFT.m_array;
|
|
|
|
for (int i = 0; i < m_fftSize; i++)
|
|
{
|
|
Real v = m_maxHold[i] - m_referenceLevel;
|
|
|
|
if (v >= 0) {
|
|
v = 0;
|
|
} else if (v < -m_powerRange) {
|
|
v = -m_powerRange;
|
|
}
|
|
|
|
q3[2*i] = (Real) i;
|
|
q3[2*i+1] = v;
|
|
}
|
|
|
|
QVector4D color(1.0f, 0.0f, 0.0f, (float) m_displayTraceIntensity / 100.0f);
|
|
m_glShaderSimple.drawPolyline(m_glHistogramSpectrumMatrix, color, q3, m_fftSize);
|
|
}
|
|
}
|
|
|
|
// paint current spectrum line on top of histogram
|
|
if ((m_displayCurrent) && m_currentSpectrum)
|
|
{
|
|
{
|
|
Real bottom = -m_powerRange;
|
|
GLfloat *q3 = m_q3FFT.m_array;
|
|
|
|
for(int i = 0; i < m_fftSize; i++)
|
|
{
|
|
Real v = (*m_currentSpectrum)[i] - m_referenceLevel;
|
|
|
|
if(v > 0) {
|
|
v = 0;
|
|
} else if(v < bottom) {
|
|
v = bottom;
|
|
}
|
|
|
|
q3[2*i] = (Real) i;
|
|
q3[2*i+1] = v;
|
|
}
|
|
|
|
QVector4D color(1.0f, 1.0f, 0.25f, (float) m_displayTraceIntensity / 100.0f);
|
|
m_glShaderSimple.drawPolyline(m_glHistogramSpectrumMatrix, color, q3, m_fftSize);
|
|
}
|
|
}
|
|
|
|
// paint waterfall grid
|
|
if(m_displayWaterfall && m_displayGrid)
|
|
{
|
|
const ScaleEngine::TickList* tickList;
|
|
const ScaleEngine::Tick* tick;
|
|
tickList = &m_timeScale.getTickList();
|
|
|
|
{
|
|
GLfloat *q3 = m_q3TickTime.m_array;
|
|
int effectiveTicks = 0;
|
|
|
|
for (int i= 0; i < tickList->count(); i++)
|
|
{
|
|
tick = &(*tickList)[i];
|
|
|
|
if (tick->major)
|
|
{
|
|
if(tick->textSize > 0)
|
|
{
|
|
float y = tick->pos / m_timeScale.getSize();
|
|
q3[4*effectiveTicks] = 0;
|
|
q3[4*effectiveTicks+1] = y;
|
|
q3[4*effectiveTicks+2] = 1;
|
|
q3[4*effectiveTicks+3] = y;
|
|
effectiveTicks++;
|
|
}
|
|
}
|
|
}
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, (float) m_displayGridIntensity / 100.0f);
|
|
m_glShaderSimple.drawSegments(m_glWaterfallBoxMatrix, color, q3, 2*effectiveTicks);
|
|
}
|
|
|
|
tickList = &m_frequencyScale.getTickList();
|
|
|
|
{
|
|
GLfloat *q3 = m_q3TickFrequency.m_array;
|
|
int effectiveTicks = 0;
|
|
|
|
for (int i= 0; i < tickList->count(); i++)
|
|
{
|
|
tick = &(*tickList)[i];
|
|
|
|
if (tick->major)
|
|
{
|
|
if (tick->textSize > 0)
|
|
{
|
|
float x = tick->pos / m_frequencyScale.getSize();
|
|
q3[4*effectiveTicks] = x;
|
|
q3[4*effectiveTicks+1] = 0;
|
|
q3[4*effectiveTicks+2] = x;
|
|
q3[4*effectiveTicks+3] = 1;
|
|
effectiveTicks++;
|
|
}
|
|
}
|
|
}
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, (float) m_displayGridIntensity / 100.0f);
|
|
m_glShaderSimple.drawSegments(m_glWaterfallBoxMatrix, color, q3, 2*effectiveTicks);
|
|
}
|
|
}
|
|
|
|
// paint histogram grid
|
|
if((m_displayHistogram || m_displayMaxHold || m_displayCurrent) && (m_displayGrid))
|
|
{
|
|
const ScaleEngine::TickList* tickList;
|
|
const ScaleEngine::Tick* tick;
|
|
tickList = &m_powerScale.getTickList();
|
|
|
|
{
|
|
GLfloat *q3 = m_q3TickPower.m_array;
|
|
int effectiveTicks = 0;
|
|
|
|
for(int i= 0; i < tickList->count(); i++)
|
|
{
|
|
tick = &(*tickList)[i];
|
|
|
|
if(tick->major)
|
|
{
|
|
if(tick->textSize > 0)
|
|
{
|
|
float y = tick->pos / m_powerScale.getSize();
|
|
q3[4*effectiveTicks] = 0;
|
|
q3[4*effectiveTicks+1] = 1-y;
|
|
q3[4*effectiveTicks+2] = 1;
|
|
q3[4*effectiveTicks+3] = 1-y;
|
|
effectiveTicks++;
|
|
}
|
|
}
|
|
}
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, (float) m_displayGridIntensity / 100.0f);
|
|
m_glShaderSimple.drawSegments(m_glHistogramBoxMatrix, color, q3, 2*effectiveTicks);
|
|
}
|
|
|
|
tickList = &m_frequencyScale.getTickList();
|
|
|
|
{
|
|
GLfloat *q3 = m_q3TickFrequency.m_array;
|
|
int effectiveTicks = 0;
|
|
|
|
for(int i= 0; i < tickList->count(); i++)
|
|
{
|
|
tick = &(*tickList)[i];
|
|
|
|
if(tick->major)
|
|
{
|
|
if(tick->textSize > 0)
|
|
{
|
|
float x = tick->pos / m_frequencyScale.getSize();
|
|
q3[4*effectiveTicks] = x;
|
|
q3[4*effectiveTicks+1] = 0;
|
|
q3[4*effectiveTicks+2] = x;
|
|
q3[4*effectiveTicks+3] = 1;
|
|
effectiveTicks++;
|
|
}
|
|
}
|
|
}
|
|
|
|
QVector4D color(1.0f, 1.0f, 1.0f, (float) m_displayGridIntensity / 100.0f);
|
|
m_glShaderSimple.drawSegments(m_glHistogramBoxMatrix, color, q3, 2*effectiveTicks);
|
|
}
|
|
}
|
|
|
|
m_mutex.unlock();
|
|
}
|
|
|
|
void GLSpectrum::stopDrag()
|
|
{
|
|
if(m_cursorState != CSNormal) {
|
|
if((m_cursorState == CSSplitterMoving) || (m_cursorState == CSChannelMoving))
|
|
releaseMouse();
|
|
setCursor(Qt::ArrowCursor);
|
|
m_cursorState = CSNormal;
|
|
}
|
|
}
|
|
|
|
void GLSpectrum::applyChanges()
|
|
{
|
|
m_changesPending = false;
|
|
|
|
if(m_fftSize <= 0)
|
|
return;
|
|
|
|
QFontMetrics fm(font());
|
|
int M = fm.width("-");
|
|
|
|
int topMargin = fm.ascent() * 1.5;
|
|
int bottomMargin = fm.ascent() * 1.5;
|
|
|
|
int waterfallHeight = 0;
|
|
int waterfallTop = 0;
|
|
int frequencyScaleHeight = fm.height() * 3; // +1 line for marker frequency scale
|
|
int frequencyScaleTop = 0;
|
|
int histogramTop = 0;
|
|
int histogramHeight = 20;
|
|
int leftMargin;
|
|
int rightMargin = fm.width("000");
|
|
|
|
// displays both histogram and waterfall
|
|
if(m_displayWaterfall && (m_displayHistogram | m_displayMaxHold | m_displayCurrent))
|
|
{
|
|
waterfallHeight = height() * m_waterfallShare - 1;
|
|
|
|
if(waterfallHeight < 0)
|
|
{
|
|
waterfallHeight = 0;
|
|
}
|
|
|
|
if(!m_invertedWaterfall)
|
|
{
|
|
waterfallTop = topMargin;
|
|
frequencyScaleTop = waterfallTop + waterfallHeight + 1;
|
|
histogramTop = waterfallTop + waterfallHeight + frequencyScaleHeight + 1;
|
|
histogramHeight = height() - topMargin - waterfallHeight - frequencyScaleHeight - bottomMargin;
|
|
}
|
|
else
|
|
{
|
|
histogramTop = topMargin;
|
|
histogramHeight = height() - topMargin - waterfallHeight - frequencyScaleHeight - bottomMargin;
|
|
waterfallTop = histogramTop + histogramHeight + frequencyScaleHeight + 1;
|
|
frequencyScaleTop = histogramTop + histogramHeight + 1;
|
|
}
|
|
|
|
m_timeScale.setSize(waterfallHeight);
|
|
|
|
if(m_sampleRate > 0)
|
|
{
|
|
float scaleDiv = ((float)m_sampleRate / (float)m_timingRate) * (m_ssbSpectrum ? 2 : 1);
|
|
|
|
if(!m_invertedWaterfall)
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, (waterfallHeight * m_fftSize) / scaleDiv, 0);
|
|
}
|
|
else
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, 0, (waterfallHeight * m_fftSize) / scaleDiv);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_timeScale.setRange(Unit::Time, 0, 1);
|
|
}
|
|
|
|
m_powerScale.setSize(histogramHeight);
|
|
|
|
if (m_linear) {
|
|
m_powerScale.setRange(Unit::Scientific, m_referenceLevel - m_powerRange, m_referenceLevel);
|
|
} else {
|
|
m_powerScale.setRange(Unit::Decibel, m_referenceLevel - m_powerRange, m_referenceLevel);
|
|
}
|
|
|
|
leftMargin = m_timeScale.getScaleWidth();
|
|
|
|
if(m_powerScale.getScaleWidth() > leftMargin)
|
|
{
|
|
leftMargin = m_powerScale.getScaleWidth();
|
|
}
|
|
|
|
leftMargin += 2 * M;
|
|
|
|
m_frequencyScale.setSize(width() - leftMargin - rightMargin);
|
|
m_frequencyScale.setRange(Unit::Frequency, m_centerFrequency - m_sampleRate / 2, m_centerFrequency + m_sampleRate / 2);
|
|
m_frequencyScale.setMakeOpposite(m_lsbDisplay);
|
|
|
|
m_glWaterfallBoxMatrix.setToIdentity();
|
|
m_glWaterfallBoxMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*waterfallTop) / (float) height())
|
|
);
|
|
m_glWaterfallBoxMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / (float) width(),
|
|
(float) (-2*waterfallHeight) / (float) height()
|
|
);
|
|
|
|
m_glHistogramBoxMatrix.setToIdentity();
|
|
m_glHistogramBoxMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*histogramTop) / (float) height())
|
|
);
|
|
m_glHistogramBoxMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / (float) width(),
|
|
(float) (-2*histogramHeight) / (float) height()
|
|
);
|
|
|
|
m_glHistogramSpectrumMatrix.setToIdentity();
|
|
m_glHistogramSpectrumMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*histogramTop) / (float) height())
|
|
);
|
|
m_glHistogramSpectrumMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / ((float) width() * (float)(m_fftSize - 1)),
|
|
((float) 2*histogramHeight / height()) / m_powerRange
|
|
);
|
|
|
|
m_frequencyScaleRect = QRect(
|
|
0,
|
|
frequencyScaleTop,
|
|
width(),
|
|
frequencyScaleHeight
|
|
);
|
|
|
|
m_glFrequencyScaleBoxMatrix.setToIdentity();
|
|
m_glFrequencyScaleBoxMatrix.translate (
|
|
-1.0f,
|
|
1.0f - ((float) 2*frequencyScaleTop / (float) height())
|
|
);
|
|
m_glFrequencyScaleBoxMatrix.scale (
|
|
2.0f,
|
|
(float) -2*frequencyScaleHeight / (float) height()
|
|
);
|
|
|
|
m_glLeftScaleBoxMatrix.setToIdentity();
|
|
m_glLeftScaleBoxMatrix.translate(-1.0f, 1.0f);
|
|
m_glLeftScaleBoxMatrix.scale(
|
|
(float)(2*(leftMargin - 1)) / (float) width(),
|
|
-2.0f
|
|
);
|
|
}
|
|
// displays waterfall only
|
|
else if(m_displayWaterfall)
|
|
{
|
|
bottomMargin = frequencyScaleHeight;
|
|
waterfallTop = topMargin;
|
|
waterfallHeight = height() - topMargin - frequencyScaleHeight;
|
|
frequencyScaleTop = topMargin + waterfallHeight + 1;
|
|
histogramTop = 0;
|
|
|
|
m_timeScale.setSize(waterfallHeight);
|
|
|
|
if(m_sampleRate > 0)
|
|
{
|
|
float scaleDiv = ((float)m_sampleRate / (float)m_timingRate) * (m_ssbSpectrum ? 2 : 1);
|
|
|
|
if(!m_invertedWaterfall)
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, (waterfallHeight * m_fftSize) / scaleDiv, 0);
|
|
}
|
|
else
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, 0, (waterfallHeight * m_fftSize) / scaleDiv);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!m_invertedWaterfall)
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, 10, 0);
|
|
}
|
|
else
|
|
{
|
|
m_timeScale.setRange(m_timingRate > 1 ? Unit::TimeHMS : Unit::Time, 0, 10);
|
|
}
|
|
}
|
|
|
|
leftMargin = m_timeScale.getScaleWidth();
|
|
leftMargin += 2 * M;
|
|
|
|
m_frequencyScale.setSize(width() - leftMargin - rightMargin);
|
|
m_frequencyScale.setRange(Unit::Frequency, m_centerFrequency - m_sampleRate / 2.0, m_centerFrequency + m_sampleRate / 2.0);
|
|
m_frequencyScale.setMakeOpposite(m_lsbDisplay);
|
|
|
|
m_glWaterfallBoxMatrix.setToIdentity();
|
|
m_glWaterfallBoxMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*topMargin) / (float) height())
|
|
);
|
|
m_glWaterfallBoxMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / (float) width(),
|
|
(float) (-2*waterfallHeight) / (float) height()
|
|
);
|
|
|
|
m_frequencyScaleRect = QRect(
|
|
0,
|
|
frequencyScaleTop,
|
|
width(),
|
|
frequencyScaleHeight
|
|
);
|
|
|
|
m_glFrequencyScaleBoxMatrix.setToIdentity();
|
|
m_glFrequencyScaleBoxMatrix.translate (
|
|
-1.0f,
|
|
1.0f - ((float) 2*frequencyScaleTop / (float) height())
|
|
);
|
|
m_glFrequencyScaleBoxMatrix.scale (
|
|
2.0f,
|
|
(float) -2*frequencyScaleHeight / (float) height()
|
|
);
|
|
|
|
m_glLeftScaleBoxMatrix.setToIdentity();
|
|
m_glLeftScaleBoxMatrix.translate(-1.0f, 1.0f);
|
|
m_glLeftScaleBoxMatrix.scale(
|
|
(float)(2*(leftMargin - 1)) / (float) width(),
|
|
-2.0f
|
|
);
|
|
}
|
|
// displays histogram only
|
|
else if(m_displayHistogram || m_displayMaxHold || m_displayCurrent)
|
|
{
|
|
bottomMargin = frequencyScaleHeight;
|
|
frequencyScaleTop = height() - bottomMargin;
|
|
histogramTop = topMargin - 1;
|
|
waterfallHeight = 0;
|
|
histogramHeight = height() - topMargin - frequencyScaleHeight;
|
|
|
|
m_powerScale.setSize(histogramHeight);
|
|
m_powerScale.setRange(Unit::Decibel, m_referenceLevel - m_powerRange, m_referenceLevel);
|
|
leftMargin = m_powerScale.getScaleWidth();
|
|
leftMargin += 2 * M;
|
|
|
|
m_frequencyScale.setSize(width() - leftMargin - rightMargin);
|
|
m_frequencyScale.setRange(Unit::Frequency, m_centerFrequency - m_sampleRate / 2, m_centerFrequency + m_sampleRate / 2);
|
|
m_frequencyScale.setMakeOpposite(m_lsbDisplay);
|
|
|
|
m_glHistogramSpectrumMatrix.setToIdentity();
|
|
m_glHistogramSpectrumMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*histogramTop) / (float) height())
|
|
);
|
|
m_glHistogramSpectrumMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / ((float) width() * (float)(m_fftSize - 1)),
|
|
((float) 2*(height() - topMargin - frequencyScaleHeight) / height()) / m_powerRange
|
|
);
|
|
|
|
m_glHistogramBoxMatrix.setToIdentity();
|
|
m_glHistogramBoxMatrix.translate(
|
|
-1.0f + ((float)(2*leftMargin) / (float) width()),
|
|
1.0f - ((float)(2*histogramTop) / (float) height())
|
|
);
|
|
m_glHistogramBoxMatrix.scale(
|
|
((float) 2 * (width() - leftMargin - rightMargin)) / (float) width(),
|
|
(float) (-2*(height() - topMargin - frequencyScaleHeight)) / (float) height()
|
|
);
|
|
|
|
m_frequencyScaleRect = QRect(
|
|
0,
|
|
frequencyScaleTop,
|
|
width(),
|
|
frequencyScaleHeight
|
|
);
|
|
|
|
m_glFrequencyScaleBoxMatrix.setToIdentity();
|
|
m_glFrequencyScaleBoxMatrix.translate (
|
|
-1.0f,
|
|
1.0f - ((float) 2*frequencyScaleTop / (float) height())
|
|
);
|
|
m_glFrequencyScaleBoxMatrix.scale (
|
|
2.0f,
|
|
(float) -2*frequencyScaleHeight / (float) height()
|
|
);
|
|
|
|
m_glLeftScaleBoxMatrix.setToIdentity();
|
|
m_glLeftScaleBoxMatrix.translate(-1.0f, 1.0f);
|
|
m_glLeftScaleBoxMatrix.scale(
|
|
(float)(2*(leftMargin - 1)) / (float) width(),
|
|
-2.0f
|
|
);
|
|
}
|
|
else
|
|
{
|
|
leftMargin = 2;
|
|
waterfallHeight = 0;
|
|
}
|
|
|
|
// channel overlays
|
|
for(int i = 0; i < m_channelMarkerStates.size(); ++i)
|
|
{
|
|
ChannelMarkerState* dv = m_channelMarkerStates[i];
|
|
|
|
qreal xc, pw, nw, dsbw;
|
|
ChannelMarker::sidebands_t sidebands = dv->m_channelMarker->getSidebands();
|
|
xc = m_centerFrequency + dv->m_channelMarker->getCenterFrequency(); // marker center frequency
|
|
dsbw = dv->m_channelMarker->getBandwidth();
|
|
|
|
if (sidebands == ChannelMarker::usb) {
|
|
nw = dv->m_channelMarker->getLowCutoff(); // negative bandwidth
|
|
int bw = dv->m_channelMarker->getBandwidth() / 2;
|
|
pw = (qreal) bw; // positive bandwidth
|
|
} else if (sidebands == ChannelMarker::lsb) {
|
|
pw = dv->m_channelMarker->getLowCutoff();
|
|
int bw = dv->m_channelMarker->getBandwidth() / 2;
|
|
nw = (qreal) bw;
|
|
} else if (sidebands == ChannelMarker::vusb) {
|
|
nw = -dv->m_channelMarker->getOppositeBandwidth(); // negative bandwidth
|
|
pw = dv->m_channelMarker->getBandwidth(); // positive bandwidth
|
|
} else if (sidebands == ChannelMarker::vlsb) {
|
|
pw = dv->m_channelMarker->getOppositeBandwidth(); // positive bandwidth
|
|
nw = -dv->m_channelMarker->getBandwidth(); // negative bandwidth
|
|
} else {
|
|
pw = dsbw / 2;
|
|
nw = -pw;
|
|
}
|
|
|
|
// draw the DSB rectangle
|
|
|
|
QMatrix4x4 glMatrixDsb;
|
|
glMatrixDsb.setToIdentity();
|
|
glMatrixDsb.translate(
|
|
-1.0f + 2.0f * ((leftMargin + m_frequencyScale.getPosFromValue(xc - (dsbw/2))) / (float) width()),
|
|
1.0f
|
|
);
|
|
glMatrixDsb.scale(
|
|
2.0f * (dsbw / (float)m_sampleRate),
|
|
-2.0f
|
|
);
|
|
|
|
dv->m_glMatrixDsbWaterfall = glMatrixDsb;
|
|
dv->m_glMatrixDsbWaterfall.translate(
|
|
0.0f,
|
|
(float) waterfallTop / (float) height()
|
|
);
|
|
dv->m_glMatrixDsbWaterfall.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) waterfallHeight / (float) height()
|
|
);
|
|
|
|
dv->m_glMatrixDsbHistogram = glMatrixDsb;
|
|
dv->m_glMatrixDsbHistogram.translate(
|
|
0.0f,
|
|
(float) histogramTop / (float) height()
|
|
);
|
|
dv->m_glMatrixDsbHistogram.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) histogramHeight / (float) height()
|
|
);
|
|
|
|
dv->m_glMatrixDsbFreqScale = glMatrixDsb;
|
|
dv->m_glMatrixDsbFreqScale.translate(
|
|
0.0f,
|
|
(float) frequencyScaleTop / (float) height()
|
|
);
|
|
dv->m_glMatrixDsbFreqScale.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) frequencyScaleHeight / (float) height()
|
|
);
|
|
|
|
// draw the effective BW rectangle
|
|
|
|
QMatrix4x4 glMatrix;
|
|
glMatrix.setToIdentity();
|
|
glMatrix.translate(
|
|
-1.0f + 2.0f * ((leftMargin + m_frequencyScale.getPosFromValue(xc + nw)) / (float) width()),
|
|
1.0f
|
|
);
|
|
glMatrix.scale(
|
|
2.0f * ((pw-nw) / (float)m_sampleRate),
|
|
-2.0f
|
|
);
|
|
|
|
dv->m_glMatrixWaterfall = glMatrix;
|
|
dv->m_glMatrixWaterfall.translate(
|
|
0.0f,
|
|
(float) waterfallTop / (float) height()
|
|
);
|
|
dv->m_glMatrixWaterfall.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) waterfallHeight / (float) height()
|
|
);
|
|
|
|
dv->m_glMatrixHistogram = glMatrix;
|
|
dv->m_glMatrixHistogram.translate(
|
|
0.0f,
|
|
(float) histogramTop / (float) height()
|
|
);
|
|
dv->m_glMatrixHistogram.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) histogramHeight / (float) height()
|
|
);
|
|
|
|
dv->m_glMatrixFreqScale = glMatrix;
|
|
dv->m_glMatrixFreqScale.translate(
|
|
0.0f,
|
|
(float) frequencyScaleTop / (float) height()
|
|
);
|
|
dv->m_glMatrixFreqScale.scale(
|
|
(float) (width() - leftMargin - rightMargin) / (float) width(),
|
|
(float) frequencyScaleHeight / (float) height()
|
|
);
|
|
|
|
|
|
/*
|
|
dv->m_glRect.setRect(
|
|
m_frequencyScale.getPosFromValue(m_centerFrequency + dv->m_channelMarker->getCenterFrequency() - dv->m_channelMarker->getBandwidth() / 2) / (float)(width() - leftMargin - rightMargin),
|
|
0,
|
|
(dv->m_channelMarker->getBandwidth() / (float)m_sampleRate),
|
|
1);
|
|
*/
|
|
|
|
if(m_displayHistogram || m_displayMaxHold || m_displayCurrent || m_displayWaterfall)
|
|
{
|
|
dv->m_rect.setRect(m_frequencyScale.getPosFromValue(xc) + leftMargin - 1,
|
|
topMargin,
|
|
5,
|
|
height() - topMargin - bottomMargin);
|
|
}
|
|
|
|
/*
|
|
if(m_displayHistogram || m_displayMaxHold || m_displayWaterfall) {
|
|
dv->m_rect.setRect(m_frequencyScale.getPosFromValue(m_centerFrequency + dv->m_channelMarker->getCenterFrequency()) + leftMargin - 1,
|
|
topMargin,
|
|
5,
|
|
height() - topMargin - bottomMargin);
|
|
}
|
|
*/
|
|
}
|
|
|
|
// prepare left scales (time and power)
|
|
{
|
|
m_leftMarginPixmap = QPixmap(leftMargin - 1, height());
|
|
m_leftMarginPixmap.fill(Qt::black);
|
|
{
|
|
QPainter painter(&m_leftMarginPixmap);
|
|
painter.setPen(QColor(0xf0, 0xf0, 0xff));
|
|
painter.setFont(font());
|
|
const ScaleEngine::TickList* tickList;
|
|
const ScaleEngine::Tick* tick;
|
|
if(m_displayWaterfall) {
|
|
tickList = &m_timeScale.getTickList();
|
|
for(int i = 0; i < tickList->count(); i++) {
|
|
tick = &(*tickList)[i];
|
|
if(tick->major) {
|
|
if(tick->textSize > 0)
|
|
painter.drawText(QPointF(leftMargin - M - tick->textSize, waterfallTop + fm.ascent() + tick->textPos), tick->text);
|
|
}
|
|
}
|
|
}
|
|
if(m_displayHistogram || m_displayMaxHold || m_displayCurrent) {
|
|
tickList = &m_powerScale.getTickList();
|
|
for(int i = 0; i < tickList->count(); i++) {
|
|
tick = &(*tickList)[i];
|
|
if(tick->major) {
|
|
if(tick->textSize > 0)
|
|
painter.drawText(QPointF(leftMargin - M - tick->textSize, histogramTop + histogramHeight - tick->textPos - 1), tick->text);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_glShaderLeftScale.initTexture(m_leftMarginPixmap.toImage());
|
|
}
|
|
// prepare frequency scale
|
|
if(m_displayWaterfall || m_displayHistogram || m_displayMaxHold || m_displayCurrent){
|
|
m_frequencyPixmap = QPixmap(width(), frequencyScaleHeight);
|
|
m_frequencyPixmap.fill(Qt::transparent);
|
|
{
|
|
QPainter painter(&m_frequencyPixmap);
|
|
painter.setPen(Qt::NoPen);
|
|
painter.setBrush(Qt::black);
|
|
painter.setBrush(Qt::transparent);
|
|
painter.drawRect(leftMargin, 0, width() - leftMargin, frequencyScaleHeight);
|
|
painter.setPen(QColor(0xf0, 0xf0, 0xff));
|
|
painter.setFont(font());
|
|
const ScaleEngine::TickList* tickList = &m_frequencyScale.getTickList();
|
|
const ScaleEngine::Tick* tick;
|
|
for(int i = 0; i < tickList->count(); i++) {
|
|
tick = &(*tickList)[i];
|
|
if(tick->major) {
|
|
if(tick->textSize > 0)
|
|
painter.drawText(QPointF(leftMargin + tick->textPos, fm.height() + fm.ascent() / 2 - 1), tick->text);
|
|
}
|
|
}
|
|
|
|
// Frequency overlay on highlighted marker
|
|
for(int i = 0; i < m_channelMarkerStates.size(); ++i) {
|
|
ChannelMarkerState* dv = m_channelMarkerStates[i];
|
|
if (dv->m_channelMarker->getHighlighted())
|
|
{
|
|
qreal xc;
|
|
int shift;
|
|
//ChannelMarker::sidebands_t sidebands = dv->m_channelMarker->getSidebands();
|
|
xc = m_centerFrequency + dv->m_channelMarker->getCenterFrequency(); // marker center frequency
|
|
QString ftext;
|
|
switch (dv->m_channelMarker->getFrequencyScaleDisplayType())
|
|
{
|
|
case ChannelMarker::FScaleDisplay_freq:
|
|
ftext = QString::number((m_centerFrequency + dv->m_channelMarker->getCenterFrequency())/1e6, 'f', 6);
|
|
break;
|
|
case ChannelMarker::FScaleDisplay_title:
|
|
ftext = dv->m_channelMarker->getTitle();
|
|
break;
|
|
case ChannelMarker::FScaleDisplay_addressSend:
|
|
ftext = dv->m_channelMarker->getDisplayAddressSend();
|
|
break;
|
|
case ChannelMarker::FScaleDisplay_addressReceive:
|
|
ftext = dv->m_channelMarker->getDisplayAddressReceive();
|
|
break;
|
|
default:
|
|
ftext = QString::number((m_centerFrequency + dv->m_channelMarker->getCenterFrequency())/1e6, 'f', 6);
|
|
break;
|
|
}
|
|
if (dv->m_channelMarker->getCenterFrequency() < 0) { // left half of scale
|
|
ftext = " " + ftext;
|
|
shift = 0;
|
|
} else { // right half of scale
|
|
ftext = ftext + " ";
|
|
shift = - fm.width(ftext);
|
|
}
|
|
painter.drawText(QPointF(leftMargin + m_frequencyScale.getPosFromValue(xc) + shift, 2*fm.height() + fm.ascent() / 2 - 1), ftext);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
m_glShaderFrequencyScale.initTexture(m_frequencyPixmap.toImage());
|
|
}
|
|
|
|
bool fftSizeChanged = true;
|
|
|
|
if(m_waterfallBuffer != NULL) {
|
|
fftSizeChanged = m_waterfallBuffer->width() != m_fftSize;
|
|
}
|
|
|
|
bool windowSizeChanged = m_waterfallTextureHeight != waterfallHeight;
|
|
|
|
if (fftSizeChanged || windowSizeChanged)
|
|
{
|
|
if(m_waterfallBuffer != 0) {
|
|
delete m_waterfallBuffer;
|
|
}
|
|
|
|
m_waterfallBuffer = new QImage(m_fftSize, waterfallHeight, QImage::Format_ARGB32);
|
|
|
|
m_waterfallBuffer->fill(qRgb(0x00, 0x00, 0x00));
|
|
m_glShaderWaterfall.initTexture(*m_waterfallBuffer);
|
|
m_waterfallBufferPos = 0;
|
|
}
|
|
|
|
if(fftSizeChanged)
|
|
{
|
|
if(m_histogramBuffer != NULL) {
|
|
delete m_histogramBuffer;
|
|
m_histogramBuffer = NULL;
|
|
}
|
|
if(m_histogram != NULL) {
|
|
delete[] m_histogram;
|
|
m_histogram = NULL;
|
|
}
|
|
|
|
m_histogramBuffer = new QImage(m_fftSize, 100, QImage::Format_RGB32);
|
|
|
|
m_histogramBuffer->fill(qRgb(0x00, 0x00, 0x00));
|
|
m_glShaderHistogram.initTexture(*m_histogramBuffer, QOpenGLTexture::ClampToEdge);
|
|
|
|
m_histogram = new quint8[100 * m_fftSize];
|
|
memset(m_histogram, 0x00, 100 * m_fftSize);
|
|
|
|
m_q3FFT.allocate(2*m_fftSize);
|
|
}
|
|
|
|
if(fftSizeChanged || windowSizeChanged)
|
|
{
|
|
m_waterfallTextureHeight = waterfallHeight;
|
|
m_waterfallTexturePos = 0;
|
|
}
|
|
|
|
m_q3TickTime.allocate(4*m_timeScale.getTickList().count());
|
|
m_q3TickFrequency.allocate(4*m_frequencyScale.getTickList().count());
|
|
m_q3TickPower.allocate(4*m_powerScale.getTickList().count());
|
|
}
|
|
|
|
void GLSpectrum::mouseMoveEvent(QMouseEvent* event)
|
|
{
|
|
if (m_displayWaterfall || m_displayHistogram || m_displayMaxHold || m_displayCurrent)
|
|
{
|
|
if(m_frequencyScaleRect.contains(event->pos()))
|
|
{
|
|
if(m_cursorState == CSNormal)
|
|
{
|
|
setCursor(Qt::SizeVerCursor);
|
|
m_cursorState = CSSplitter;
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(m_cursorState == CSSplitter)
|
|
{
|
|
setCursor(Qt::ArrowCursor);
|
|
m_cursorState = CSNormal;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (m_cursorState == CSSplitterMoving)
|
|
{
|
|
float newShare;
|
|
|
|
if (!m_invertedWaterfall) {
|
|
newShare = (float) (event->y() - m_frequencyScaleRect.height()) / (float) height();
|
|
} else {
|
|
newShare = 1.0 - (float) (event->y() + m_frequencyScaleRect.height()) / (float) height();
|
|
}
|
|
|
|
if (newShare < 0.1) {
|
|
newShare = 0.1f;
|
|
} else if (newShare > 0.8) {
|
|
newShare = 0.8f;
|
|
}
|
|
|
|
m_waterfallShare = newShare;
|
|
m_changesPending = true;
|
|
|
|
update();
|
|
return;
|
|
}
|
|
else if (m_cursorState == CSChannelMoving)
|
|
{
|
|
Real freq = m_frequencyScale.getValueFromPos(event->x() - m_leftMarginPixmap.width() - 1) - m_centerFrequency;
|
|
|
|
if (m_channelMarkerStates[m_cursorChannel]->m_channelMarker->getMovable())
|
|
{
|
|
m_channelMarkerStates[m_cursorChannel]->m_channelMarker->setCenterFrequencyByCursor(freq);
|
|
channelMarkerChanged();
|
|
}
|
|
}
|
|
|
|
if (m_displayWaterfall || m_displayHistogram || m_displayMaxHold || m_displayCurrent)
|
|
{
|
|
for (int i = 0; i < m_channelMarkerStates.size(); ++i)
|
|
{
|
|
if (m_channelMarkerStates[i]->m_rect.contains(event->pos()))
|
|
{
|
|
if (m_cursorState == CSNormal)
|
|
{
|
|
setCursor(Qt::SizeHorCursor);
|
|
m_cursorState = CSChannel;
|
|
m_cursorChannel = i;
|
|
m_channelMarkerStates[i]->m_channelMarker->setHighlightedByCursor(true);
|
|
channelMarkerChanged();
|
|
|
|
return;
|
|
}
|
|
else if (m_cursorState == CSChannel)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
else if (m_channelMarkerStates[i]->m_channelMarker->getHighlighted())
|
|
{
|
|
m_channelMarkerStates[i]->m_channelMarker->setHighlightedByCursor(false);
|
|
channelMarkerChanged();
|
|
}
|
|
}
|
|
}
|
|
|
|
if(m_cursorState == CSChannel)
|
|
{
|
|
setCursor(Qt::ArrowCursor);
|
|
m_cursorState = CSNormal;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
void GLSpectrum::mousePressEvent(QMouseEvent* event)
|
|
{
|
|
if(event->button() != 1)
|
|
return;
|
|
|
|
if(m_cursorState == CSSplitter)
|
|
{
|
|
grabMouse();
|
|
m_cursorState = CSSplitterMoving;
|
|
return;
|
|
}
|
|
else if(m_cursorState == CSChannel)
|
|
{
|
|
grabMouse();
|
|
m_cursorState = CSChannelMoving;
|
|
return;
|
|
}
|
|
else if((m_cursorState == CSNormal) && (m_channelMarkerStates.size() == 1))
|
|
{
|
|
grabMouse();
|
|
setCursor(Qt::SizeHorCursor);
|
|
m_cursorState = CSChannelMoving;
|
|
m_cursorChannel = 0;
|
|
Real freq = m_frequencyScale.getValueFromPos(event->x() - m_leftMarginPixmap.width() - 1) - m_centerFrequency;
|
|
|
|
if(m_channelMarkerStates[m_cursorChannel]->m_channelMarker->getMovable())
|
|
{
|
|
m_channelMarkerStates[m_cursorChannel]->m_channelMarker->setCenterFrequencyByCursor(freq);
|
|
channelMarkerChanged();
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
void GLSpectrum::mouseReleaseEvent(QMouseEvent*)
|
|
{
|
|
if(m_cursorState == CSSplitterMoving) {
|
|
releaseMouse();
|
|
m_cursorState = CSSplitter;
|
|
} else if(m_cursorState == CSChannelMoving) {
|
|
releaseMouse();
|
|
m_cursorState = CSChannel;
|
|
}
|
|
}
|
|
|
|
void GLSpectrum::enterEvent(QEvent* event)
|
|
{
|
|
m_mouseInside = true;
|
|
update();
|
|
QGLWidget::enterEvent(event);
|
|
}
|
|
|
|
void GLSpectrum::leaveEvent(QEvent* event)
|
|
{
|
|
m_mouseInside = false;
|
|
update();
|
|
QGLWidget::enterEvent(event);
|
|
}
|
|
|
|
void GLSpectrum::tick()
|
|
{
|
|
if(m_displayChanged) {
|
|
m_displayChanged = false;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void GLSpectrum::channelMarkerChanged()
|
|
{
|
|
m_changesPending = true;
|
|
update();
|
|
}
|
|
|
|
void GLSpectrum::channelMarkerDestroyed(QObject* object)
|
|
{
|
|
removeChannelMarker((ChannelMarker*)object);
|
|
}
|
|
|
|
void GLSpectrum::setWaterfallShare(Real waterfallShare)
|
|
{
|
|
if (waterfallShare < 0.1f) {
|
|
m_waterfallShare = 0.1f;
|
|
}
|
|
else if (waterfallShare > 0.8f) {
|
|
m_waterfallShare = 0.8f;
|
|
} else {
|
|
m_waterfallShare = waterfallShare;
|
|
}
|
|
m_changesPending = true;
|
|
}
|
|
|
|
void GLSpectrum::connectTimer(const QTimer& timer)
|
|
{
|
|
qDebug() << "GLSpectrum::connectTimer";
|
|
disconnect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
|
|
connect(&timer, SIGNAL(timeout()), this, SLOT(tick()));
|
|
m_timer.stop();
|
|
}
|
|
|
|
void GLSpectrum::cleanup()
|
|
{
|
|
//makeCurrent();
|
|
m_glShaderSimple.cleanup();
|
|
m_glShaderFrequencyScale.cleanup();
|
|
m_glShaderHistogram.cleanup();
|
|
m_glShaderLeftScale.cleanup();
|
|
m_glShaderWaterfall.cleanup();
|
|
//doneCurrent();
|
|
}
|