X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=logicsignal.cpp;h=69d58cb1cbc70abf9f540911ab8aefe202ba72e1;hp=486c002d7a1ed1179e9979377a4195d15f816c76;hb=ecda6ca9b83e5ed9988c64ed9fc4e4a33b8a5457;hpb=3e46726aaf1cfe749c8f3fced7b455cf01a03c86 diff --git a/logicsignal.cpp b/logicsignal.cpp index 486c002d..69d58cb1 100644 --- a/logicsignal.cpp +++ b/logicsignal.cpp @@ -33,8 +33,6 @@ using namespace boost; using namespace std; -const float Log2 = logf(2.0f); - const float LogicSignal::Margin = 10.0f; const float LogicSignal::EdgeColour[3] = {0.50f, 0.50f, 0.50f}; @@ -86,17 +84,15 @@ void LogicSignal::paint(QGLWidget &widget, const QRect &rect, const double pixels_offset = offset / scale; const double samplerate = _data->get_samplerate(); const double start_time = _data->get_start_time(); - const int64_t last_sample = (int64_t)snapshot->get_sample_count() - 1; + const int64_t last_sample = snapshot->get_sample_count() - 1; const double samples_per_pixel = samplerate * scale; - const int64_t start = min(max((int64_t)(samplerate * (offset - start_time)), - (int64_t)0), last_sample); - const int64_t end = min((int64_t)(start + samples_per_pixel * rect.width()), - last_sample); - const int64_t quantization_length = 1LL << (int64_t)floorf( - max(logf(samples_per_pixel / Log2), 0.0f)); - - snapshot->get_subsampled_edges(edges, start, end, - quantization_length, _probe_index); + const double start = samplerate * (offset - start_time); + const double end = start + samples_per_pixel * rect.width(); + + snapshot->get_subsampled_edges(edges, + min(max((int64_t)floor(start), (int64_t)0), last_sample), + min(max((int64_t)ceil(end), (int64_t)0), last_sample), + samples_per_pixel, _probe_index); // Paint the edges const unsigned int edge_point_count = (edges.size() - 2) * 2;