From: Joel Holdsworth <redacted>
Date: Sat, 7 Jul 2012 07:16:07 +0000 (+0100)
Subject: Fixed signal ends to cover screen
X-Git-Tag: pulseview-0.1.0~326
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=652010ea57ca43952d626f33ebf84fb01a663ed4;p=pulseview.git

Fixed signal ends to cover screen
---

diff --git a/logicdatasnapshot.cpp b/logicdatasnapshot.cpp
index 032d9c81..e29a866e 100644
--- a/logicdatasnapshot.cpp
+++ b/logicdatasnapshot.cpp
@@ -65,7 +65,7 @@ void LogicDataSnapshot::get_subsampled_edges(
 	bool last_sample = get_sample(start) & sig_mask;
 	edges.push_back(pair<int64_t, bool>(start, last_sample));
 
-	for(int64_t i = start + 1; i < end - 1; i++)
+	for(int64_t i = start + 1; i < end; i++)
 	{
 		const bool sample = get_sample(i) & sig_mask;
 
@@ -89,6 +89,6 @@ void LogicDataSnapshot::get_subsampled_edges(
 	}
 
 	// Add the final state
-	edges.push_back(pair<int64_t, bool>(end - 1,
-		get_sample(end - 1) & sig_mask));
+	edges.push_back(pair<int64_t, bool>(end,
+		get_sample(end) & sig_mask));
 }
diff --git a/logicsignal.cpp b/logicsignal.cpp
index 486c002d..79a27ddd 100644
--- a/logicsignal.cpp
+++ b/logicsignal.cpp
@@ -86,16 +86,16 @@ 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 double start = samplerate * (offset - start_time);
+	const double end = start + samples_per_pixel * rect.width();
 	const int64_t quantization_length = 1LL << (int64_t)floorf(
-		max(logf(samples_per_pixel / Log2), 0.0f));
+		max(logf((float)samples_per_pixel) / Log2, 0.0f));
 
-	snapshot->get_subsampled_edges(edges, start, end,
+	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),
 		quantization_length, _probe_index);
 
 	// Paint the edges