Make restack_items() available to all TraceTreeItemOwners

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

diff --git a/pv/views/trace/analogsignal.cpp b/pv/views/trace/analogsignal.cpp
index b65eba569d54baad700f802238bc225b593ce0b6..f94a70f80f92e6322996969324d149016a8bc06d 100644 (file)
--- a/pv/views/trace/analogsignal.cpp
+++ b/pv/views/trace/analogsignal.cpp
@@ -341,16 +341,16 @@ void AnalogSignal::paint_trace(QPainter &p,
 
        int64_t sample_count = min(points_count, TracePaintBlockSize);
        int64_t block_sample = 0;
-       const float *sample_block = segment->get_samples(start, start + sample_count);
+       float *sample_block = new float[TracePaintBlockSize];
+       segment->get_samples(start, start + sample_count, sample_block);
 
        const int w = 2;
        for (int64_t sample = start; sample != end; sample++, block_sample++) {
 
                if (block_sample == TracePaintBlockSize) {
                        block_sample = 0;
-                       delete[] sample_block;
                        sample_count = min(points_count - sample, TracePaintBlockSize);
-                       sample_block = segment->get_samples(sample, sample + sample_count);
+                       segment->get_samples(sample, sample + sample_count, sample_block);
                }
 
                const float x = (sample / samples_per_pixel -