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GLSpectrum: separate waterfall and histogram resizing conditions. Fixes #1496

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This commit is contained in:
f4exb 2022-11-04 19:11:25 +01:00
parent 4b665a188a
commit f5b91fff53
1 changed files with 26 additions and 24 deletions
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48
sdrgui/gui/glspectrumview.cpp
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@ -2239,7 +2239,6 @@ void GLSpectrumView::measureAdjacentChannelPower()
void GLSpectrumView::measureOccupiedBandwidth()
{
float hzPerBin = m_sampleRate / (float) m_fftSize;
int bins = m_measurementBandwidth / hzPerBin;
int start = frequencyToBin(m_centerFrequency + m_measurementCenterFrequencyOffset);
float totalPower, power = 0.0f;
int step = 0;
@ -3303,26 +3302,27 @@ void GLSpectrumView::applyChanges()
m_peakPowerMaxStr = m_linear ? "8.000e-10" : "-100.0";
m_peakPowerUnits = m_linear ? "" : "dB";
bool fftSizeChanged = true;
bool waterfallFFTSizeChanged = true;
if (m_waterfallBuffer) {
fftSizeChanged = m_waterfallBuffer->width() != m_nbBins;
waterfallFFTSizeChanged = m_waterfallBuffer->width() != m_nbBins;
}
bool windowSizeChanged = m_waterfallTextureHeight != m_waterfallHeight;
if (fftSizeChanged || windowSizeChanged)
if (waterfallFFTSizeChanged || windowSizeChanged)
{
if (m_waterfallBuffer) {
delete m_waterfallBuffer;
}
m_waterfallBuffer = new QImage(m_nbBins, m_waterfallHeight, QImage::Format_ARGB32);
m_waterfallBuffer->fill(qRgb(0x00, 0x00, 0x00));
if (m_waterfallHeight > 0) {
m_glShaderWaterfall.initTexture(*m_waterfallBuffer);
}
m_waterfallBufferPos = 0;
if (m_3DSpectrogramBuffer) {
@ -3330,13 +3330,20 @@ void GLSpectrumView::applyChanges()
}
m_3DSpectrogramBuffer = new QImage(m_nbBins, m_waterfallHeight, QImage::Format_Grayscale8);
m_3DSpectrogramBuffer->fill(qRgb(0x00, 0x00, 0x00));
if (m_waterfallHeight > 0) {
m_glShaderSpectrogram.initTexture(*m_3DSpectrogramBuffer);
}
m_3DSpectrogramBufferPos = 0;
m_waterfallTextureHeight = m_waterfallHeight;
m_waterfallTexturePos = 0;
m_3DSpectrogramTextureHeight = m_waterfallHeight;
m_3DSpectrogramTexturePos = 0;
}
m_glShaderSpectrogram.initColorMapTexture(m_colorMapName);
m_glShaderColorMap.initColorMapTexture(m_colorMapName);
m_colorMap = ColorMap::getColorMap(m_colorMapName);
@ -3349,17 +3356,16 @@ void GLSpectrumView::applyChanges()
((quint8*)&m_waterfallPalette[i])[3] = 255;
}
if (fftSizeChanged)
{
if (m_histogramBuffer)
{
delete m_histogramBuffer;
m_histogramBuffer = nullptr;
bool histogramFFTSizeChanged = true;
if (m_histogramBuffer) {
histogramFFTSizeChanged = m_histogramBuffer->width() != m_nbBins;
}
if (m_histogram) {
delete[] m_histogram;
m_histogram = nullptr;
if (histogramFFTSizeChanged)
{
if (m_histogramBuffer) {
delete m_histogramBuffer;
}
m_histogramBuffer = new QImage(m_nbBins, 100, QImage::Format_RGB32);
@ -3367,6 +3373,10 @@ void GLSpectrumView::applyChanges()
m_histogramBuffer->fill(qRgb(0x00, 0x00, 0x00));
m_glShaderHistogram.initTexture(*m_histogramBuffer, QOpenGLTexture::ClampToEdge);
if (m_histogram) {
delete[] m_histogram;
}
m_histogram = new quint8[100 * m_nbBins];
memset(m_histogram, 0x00, 100 * m_nbBins);
@ -3376,14 +3386,6 @@ void GLSpectrumView::applyChanges()
std::fill(m_q3ColorMap.m_array, m_q3ColorMap.m_array+4*(m_nbBins+1), 0.0f);
}
if (fftSizeChanged || windowSizeChanged)
{
m_waterfallTextureHeight = m_waterfallHeight;
m_waterfallTexturePos = 0;
m_3DSpectrogramTextureHeight = m_waterfallHeight;
m_3DSpectrogramTexturePos = 0;
}
m_q3TickTime.allocate(4*m_timeScale.getTickList().count());
m_q3TickFrequency.allocate(4*m_frequencyScale.getTickList().count());
m_q3TickPower.allocate(6*m_powerScale.getTickList().count()); // 6 as we need 3d points for 3D spectrogram