Fix bar displaying undecoded area

[pulseview.git] / pv / views / trace / decodetrace.cpp

diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp
index f4f243931bd6d27e94952afba35421a38d1ebf2e..da160e4b1ab9c3af7083286ff4529f06603ddd11 100644 (file)
--- a/pv/views/trace/decodetrace.cpp
+++ b/pv/views/trace/decodetrace.cpp
@@ -581,7 +581,7 @@ void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right
                samples_per_pixel - pixels_offset, left - 1.0);
        const double end = min(sample_count / samples_per_pixel -
                pixels_offset, right + 1.0);
-       const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h);
+       const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h);
 
        p.setPen(QPen(Qt::NoPen));
        p.setBrush(Qt::white);