diff options
Diffstat (limited to 'gr-qtgui/lib/plot_waterfall.cc')
| -rw-r--r-- | gr-qtgui/lib/plot_waterfall.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-qtgui/lib/plot_waterfall.cc b/gr-qtgui/lib/plot_waterfall.cc index 527eea22e8..dbba657b85 100644 --- a/gr-qtgui/lib/plot_waterfall.cc +++ b/gr-qtgui/lib/plot_waterfall.cc @@ -180,12 +180,17 @@ QImage PlotWaterfall::renderImage(const QwtScaleMap &xMap, if ( area.isEmpty() ) return QImage(); +#if QWT_VERSION < 0x060000 QRect rect = transform(xMap, yMap, area); + const QSize res = d_data->data->rasterHint(area); +#else + QRect rect(0,0,0,0); + const QSize res(0,0); +#endif QwtScaleMap xxMap = xMap; QwtScaleMap yyMap = yMap; - const QSize res = d_data->data->rasterHint(area); if ( res.isValid() ) { /* |