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Spectrum: reviewed histogram capping to phosphor palette and stroke value limits

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This commit is contained in:
f4exb 2018-10-17 15:28:53 +02:00
parent 635bea2059
commit 9158da20e0
3 changed files with 18 additions and 19 deletions
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23
sdrgui/gui/glspectrum.cpp
View File

@ -107,7 +107,7 @@ GLSpectrum::GLSpectrum(QWidget* parent) :
m_histogramHoldoffBase = 4; // was 2
m_histogramHoldoffCount = m_histogramHoldoffBase;
m_histogramLateHoldoff = 20; // was 1
m_histogramStroke = 40; // was 4
m_histogramStroke = 4;
m_timeScale.setFont(font());
m_timeScale.setOrientation(Qt::Vertical);
@ -175,12 +175,12 @@ void GLSpectrum::setDecay(int decay)
void GLSpectrum::setHistoHoldoffBase(int holdoffBase)
{
m_histogramHoldoffBase = holdoffBase < 0 ? 0 : holdoffBase > 20 ? 20 : holdoffBase;
m_histogramHoldoffBase = holdoffBase < 0 ? 0 : holdoffBase > 240 ? 240 : holdoffBase;
}
void GLSpectrum::setHistoStroke(int stroke)
{
m_histogramStroke = stroke < 4 ? 4 : stroke > 240 ? 240 : stroke;
m_histogramStroke = stroke < 1 ? 1 : stroke > 40 ? 40 : stroke;
}
void GLSpectrum::setSampleRate(qint32 sampleRate)
@ -373,7 +373,7 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
{
for (int i = 0; i < fftMulSize; i++)
{
if (*b > 16) // was 20
if (*b > 20) // must be more than max value of m_decay
{
*b = *b - sub;
}
@ -470,15 +470,20 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
}
}
#else
for(int i = 0; i < m_fftSize; i++) {
for (int i = 0; i < m_fftSize; i++)
{
int v = (int)((spectrum[i] - m_referenceLevel) * 100.0 / m_powerRange + 100.0);
if ((v >= 0) && (v <= 99)) {
if ((v >= 0) && (v <= 99))
{
b = m_histogram + i * 100 + v;
if(*b < 220)
// capping to 239 as palette values are [0..239]
if (*b + m_histogramStroke <= 239) {
*b += m_histogramStroke; // was 4
else if(*b < 239)
*b += 1;
} else {
*b = 239;
}
}
}
#endif

10
sdrgui/gui/glspectrumgui.cpp
View File

@ -68,7 +68,7 @@ void GLSpectrumGUI::resetToDefaults()
m_powerRange = 100;
m_decay = 0;
m_histogramHoldoffBase = 0;
m_histogramStroke = 40;
m_histogramStroke = 4;
m_displayGridIntensity = 5,
m_displayWaterfall = true;
m_invertedWaterfall = false;
@ -135,7 +135,7 @@ bool GLSpectrumGUI::deserialize(const QByteArray& data)
d.readBool(12, &m_invert, true);
d.readS32(13, &m_displayGridIntensity, 5);
d.readS32(14, &m_histogramHoldoffBase, 0);
d.readS32(15, &m_histogramStroke, 40);
d.readS32(15, &m_histogramStroke, 4);
d.readBool(16, &m_displayCurrent, false);
d.readS32(17, &m_displayTraceIntensity, 50);
Real waterfallShare;
@ -369,9 +369,6 @@ void GLSpectrumGUI::on_decay_valueChanged(int index)
void GLSpectrumGUI::on_holdoff_valueChanged(int index)
{
if (index < 0) {
return;
}
m_histogramHoldoffBase = index;
//ui->holdoff->setToolTip(QString("Holdoff: %1").arg(m_histogramHoldoffBase));
if(m_glSpectrum != 0) {
@ -381,9 +378,6 @@ void GLSpectrumGUI::on_holdoff_valueChanged(int index)
void GLSpectrumGUI::on_stroke_valueChanged(int index)
{
if (index < 4) {
return;
}
m_histogramStroke = index;
//ui->stroke->setToolTip(QString("Stroke: %1").arg(m_histogramStroke));
if(m_glSpectrum != 0) {

4
sdrgui/gui/glspectrumgui.ui
View File

@ -93,10 +93,10 @@
<string>Stroke:</string>
</property>
<property name="minimum">
<number>4</number>
<number>1</number>
</property>
<property name="maximum">
<number>240</number>
<number>40</number>
</property>
<property name="pageStep">
<number>1</number>