Merge pull request #238 from jdemel/fix-small-file-crash

traceplot: Fix divide by zero crash
miek · Jul 30, 2024 · c6f4ecf · c6f4ecf
2 parents 6a1ee5a + 7830cde
commit c6f4ecf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/traceplot.cpp b/src/traceplot.cpp
@@ -32,7 +32,7 @@ void TracePlot::paintMid(QPainter &painter, QRect &rect, range_t<size_t> sampleR
 {
     if (sampleRange.length() == 0) return;
 
-    int samplesPerColumn = sampleRange.length() / rect.width();
+    int samplesPerColumn = std::max(1UL, sampleRange.length() / rect.width());
     int samplesPerTile = tileWidth * samplesPerColumn;
     size_t tileID = sampleRange.minimum / samplesPerTile;
     size_t tileOffset = sampleRange.minimum % samplesPerTile; // Number of samples to skip from first image tile