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base repository: ngscopeclient/scopehal-apps
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compare: 1c8a5fb5bb71
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  • 1 commit
  • 1 file changed
  • 1 contributor

Commits on May 31, 2020

  1. WaveformArea: display RBW on frequency domain channels

    @azonenberg
    azonenberg committed May 31, 2020

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    1c8a5fb View commit details
Showing with 13 additions and 4 deletions.
  1. +13 −4 glscopeclient/WaveformArea_cairo.cpp
17 changes: 13 additions & 4 deletions glscopeclient/WaveformArea_cairo.cpp
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Original file line number Diff line number Diff line change
@@ -416,11 +416,21 @@ void WaveformArea::RenderDecodeOverlays(Cairo::RefPtr< Cairo::Context > cr)

void WaveformArea::RenderChannelLabel(Cairo::RefPtr< Cairo::Context > cr)
{
//Add sample rate info to physical analog channels
//TODO: do this to some decodes too?
string label = m_channel->m_displayname;
auto data = m_channel->GetData();
if(m_channel->IsPhysicalChannel() && (data != NULL))

//Add RBW to frequency domain channels
char tmp[256];
auto xunits = m_channel->GetXAxisUnits();
if( (xunits == Unit::UNIT_HZ) && (data != NULL) )
{
snprintf(tmp, sizeof(tmp), "\nRBW: %s", xunits.PrettyPrint(data->m_timescale).c_str());
label += tmp;
}

//Add sample rate info to physical analog channels
//TODO: do this to some decodes too?
else if(m_channel->IsPhysicalChannel() && (data != NULL))
{
//Do not render sample rate on digital signals unless we have overlays, because this ~doubles the height
//of the channel and hurts packing density.
@@ -432,7 +442,6 @@ void WaveformArea::RenderChannelLabel(Cairo::RefPtr< Cairo::Context > cr)
label += " : ";

//Format sample depth
char tmp[256];
size_t len = data->m_offsets.size();
if(len > 1e6)
snprintf(tmp, sizeof(tmp), "%.0f MS", len * 1e-6f);