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plotview: Don't recreate the plots all the time

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This commit is contained in:
Mike Walters
2016-03-03 23:05:09 +00:00
parent ffdd314f78
commit 9b78f334aa
4 changed files with 27 additions and 24 deletions
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41
plotview.cpp
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@@ -29,7 +29,6 @@
#include "grsamplebuffer.h"
#include "memory_sink.h"
#include "memory_source.h"
#include "traceplot.h"
PlotView::PlotView(InputSource *input) : cursors(this), viewRange({0, 0})
{
@@ -37,18 +36,18 @@ PlotView::PlotView(InputSource *input) : cursors(this), viewRange({0, 0})
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
enableCursors(false);
mainSampleSource->subscribe(this);
}
void PlotView::refreshSources()
{
plots.clear();
if (mainSampleSource == nullptr)
return;
spectrogramPlot = new SpectrogramPlot(mainSampleSource);
plots.emplace_back(spectrogramPlot);
iqPlot = createIQPlot(mainSampleSource);
plots.emplace_back(iqPlot);
plots.emplace_back(createQuadratureDemodPlot(static_cast<SampleSource<std::complex<float>>*>(iqPlot->source().get())));
mainSampleSource->subscribe(this);
}
TracePlot* PlotView::createIQPlot(SampleSource<std::complex<float>> *src)
{
gr::top_block_sptr iq_tb = gr::make_top_block("multiply");
auto iq_mem_source = gr::blocks::memory_source::make(8);
auto iq_mem_sink = gr::blocks::memory_sink::make(8);
@@ -67,6 +66,12 @@ void PlotView::refreshSources()
iq_tb->connect(multiply, 0, iq_mem_sink, 0);
}
auto iq_src = std::make_shared<GRSampleBuffer<std::complex<float>, std::complex<float>>>(mainSampleSource, iq_tb, iq_mem_source, iq_mem_sink);
return new TracePlot(iq_src);
}
TracePlot* PlotView::createQuadratureDemodPlot(SampleSource<std::complex<float>> *src)
{
gr::top_block_sptr quad_demod_tb = gr::make_top_block("quad_demod");
auto quad_demod_mem_source = gr::blocks::memory_source::make(8);
auto quad_demod_mem_sink = gr::blocks::memory_sink::make(4);
@@ -74,17 +79,11 @@ void PlotView::refreshSources()
quad_demod_tb->connect(quad_demod_mem_source, 0, quad_demod, 0);
quad_demod_tb->connect(quad_demod, 0, quad_demod_mem_sink, 0);
auto iq_src = std::make_shared<GRSampleBuffer<std::complex<float>, std::complex<float>>>(mainSampleSource, iq_tb, iq_mem_source, iq_mem_sink);
plots.emplace_back(new TracePlot(iq_src));
plots.emplace_back(
new TracePlot(
std::make_shared<GRSampleBuffer<std::complex<float>, float>>(
dynamic_cast<SampleSource<std::complex<float>>*>(iq_src.get()), quad_demod_tb, quad_demod_mem_source, quad_demod_mem_sink
)
return new TracePlot(
std::make_shared<GRSampleBuffer<std::complex<float>, float>>(
dynamic_cast<SampleSource<std::complex<float>>*>(src), quad_demod_tb, quad_demod_mem_source, quad_demod_mem_sink
)
);
update();
}
void PlotView::enableCursors(bool enabled)
@@ -97,8 +96,6 @@ void PlotView::enableCursors(bool enabled)
void PlotView::invalidateEvent()
{
refreshSources();
horizontalScrollBar()->setMinimum(0);
horizontalScrollBar()->setMaximum(mainSampleSource->count());
}
@@ -108,13 +105,11 @@ void PlotView::selectionChanged(std::pair<off_t, off_t> selectionTime, std::pair
this->selectionTime = selectionTime;
this->selectionFreq = selectionFreq;
selection = true;
refreshSources();
}
void PlotView::selectionCleared()
{
selection = false;
refreshSources();
}
void PlotView::setFFTSize(int size)