Fixed missing last interlacing lane in negative chart areas

Author: simzer

CHANGELOG.md

@@ -24,6 +24,7 @@
 - Fixed unwanted partial fade of non-changing legend when switched
   between auto and explicit value.
 - Area/Line fade easing base made linear.
+- Fixed missing last interlacing lane in negative chart areas
 
 ## [0.5.2] - 2022-08-29
 

src/chart/rendering/drawinterlacing.cpp

@@ -95,7 +95,7 @@ void drawInterlacing::draw(bool horizontal,
 		auto axisBottom = axis.origo() + stripWidth;
 
 		int iMin = axisBottom > 0
-				   ? -std::trunc(axisBottom/(2 * stripWidth))
+				   ? std::floor(-axis.origo()/(2 * stripWidth))
 				   : 0;
 
 		if (stripWidth <= 0) return;