void WaterfallCanvas::setLinesPerSecond(int lps) {
tex_update.lock();
linesPerSecond = lps;
while (!visualDataQueue.empty()) {
SpectrumVisualData *vData;
visualDataQueue.pop(vData);
if (vData) {
vData->decRefCount();
}
}
tex_update.unlock();
}
void WaterfallCanvas::processInputQueue() {
tex_update.lock();
gTimer.update();
double targetVis = 1.0 / (double)linesPerSecond;
lpsIndex += gTimer.lastUpdateSeconds();
bool updated = false;
if (linesPerSecond) {
if (lpsIndex >= targetVis) {
while (lpsIndex >= targetVis) {
SpectrumVisualData *vData;
if (!visualDataQueue.empty()) {
visualDataQueue.pop(vData);
if (vData) {
if (vData->spectrum_points.size() == fft_size * 2) {
waterfallPanel.setPoints(vData->spectrum_points);
}
waterfallPanel.step();
vData->decRefCount();
updated = true;
}
lpsIndex-=targetVis;
} else {
break;
}
}
}
}
if (updated) {
wxClientDC(this);
glContext->SetCurrent(*this);
waterfallPanel.update();
}
tex_update.unlock();
}
void SpectrumCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
wxPaintDC dc(this);
const wxSize ClientSize = GetClientSize();
if (!visualDataQueue.empty()) {
SpectrumVisualData *vData;
visualDataQueue.pop(vData);
if (vData) {
spectrumPanel.setPoints(vData->spectrum_points);
spectrumPanel.setPeakPoints(vData->spectrum_hold_points);
spectrumPanel.setFloorValue(vData->fft_floor);
spectrumPanel.setCeilValue(vData->fft_ceiling);
vData->decRefCount();
}
}
if (resetScaleFactor) {
scaleFactor += (1.0-scaleFactor)*0.05;
if (fabs(scaleFactor-1.0) < 0.01) {
scaleFactor = 1.0;
resetScaleFactor = false;
}
updateScaleFactor(scaleFactor);
}
glContext->SetCurrent(*this);
initGLExtensions();
glViewport(0, 0, ClientSize.x, ClientSize.y);
glContext->BeginDraw(0,0,0);
spectrumPanel.setFreq(getCenterFrequency());
spectrumPanel.setBandwidth(getBandwidth());
spectrumPanel.calcTransform(CubicVR::mat4::identity());
spectrumPanel.draw();
glLoadIdentity();
std::vector<DemodulatorInstance *> &demods = wxGetApp().getDemodMgr().getDemodulators();
DemodulatorInstance *activeDemodulator = wxGetApp().getDemodMgr().getActiveDemodulator();
for (int i = 0, iMax = demods.size(); i < iMax; i++) {
if (!demods[i]->isActive()) {
continue;
}
glContext->DrawDemodInfo(demods[i], ThemeMgr::mgr.currentTheme->fftHighlight, getCenterFrequency(), getBandwidth(), activeDemodulator==demods[i]);
}
if (waterfallCanvas && !activeDemodulator) {
MouseTracker *wfmt = waterfallCanvas->getMouseTracker();
if (wfmt->mouseInView()) {
int snap = wxGetApp().getFrequencySnap();
long long freq = getFrequencyAt(wfmt->getMouseX());
if (snap > 1) {
freq = roundf((float)freq/(float)snap)*snap;
}
DemodulatorInstance *lastActiveDemodulator = wxGetApp().getDemodMgr().getLastActiveDemodulator();
bool isNew = (((waterfallCanvas->isShiftDown() || (lastActiveDemodulator && !lastActiveDemodulator->isActive())) && lastActiveDemodulator) || (!lastActiveDemodulator));
glContext->DrawFreqBwInfo(freq, wxGetApp().getDemodMgr().getLastBandwidth(), isNew?ThemeMgr::mgr.currentTheme->waterfallNew:ThemeMgr::mgr.currentTheme->waterfallHover, getCenterFrequency(), getBandwidth(), true, true);
}
}
glContext->EndDraw();
spectrumPanel.drawChildren();
SwapBuffers();
}