From e4ade98e8c7b4692babe44bdac072edaf4497063 Mon Sep 17 00:00:00 2001 From: Hermet Park Date: Tue, 26 Sep 2023 14:17:44 +0900 Subject: [PATCH] sw_engine: fix a regression stroke bug reverted changes that occurred this issue from d683d2e Issue: https://github.com/thorvg/thorvg/issues/1670 --- src/renderer/sw_engine/tvgSwStroke.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/renderer/sw_engine/tvgSwStroke.cpp b/src/renderer/sw_engine/tvgSwStroke.cpp index f46a4a5a..b1bdccbb 100644 --- a/src/renderer/sw_engine/tvgSwStroke.cpp +++ b/src/renderer/sw_engine/tvgSwStroke.cpp @@ -373,6 +373,10 @@ void _firstSubPath(SwStroke& stroke, SwFixed startAngle, SwFixed lineLength) static void _lineTo(SwStroke& stroke, const SwPoint& to) { auto delta = to - stroke.center; + + //a zero-length lineto is a no-op; avoid creating a spurious corner + if (delta.zero()) return; + //compute length of line auto angle = mathAtan(delta);