From 203d892cbd9cc295987cbebd8caf1b7e4cec5d64 Mon Sep 17 00:00:00 2001
From: Mira Grudzinska <veleveta@gmail.com>
Date: Sun, 3 Mar 2024 22:02:35 +0100
Subject: [PATCH] sw_engine: fix a regression bug

After introducing the length measurement
of approximate and exact Bezier curves in
a8c0030d807755f71a2f6d602c5adcec1738ffa3
the calculation of the outline length still
used the approximate functions, while further
calculations took the exact value into account.
This discrepancy led to the creation of artifacts.

@Issue: https://github.com/thorvg/thorvg/issues/2021
---
 src/renderer/sw_engine/tvgSwShape.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/renderer/sw_engine/tvgSwShape.cpp b/src/renderer/sw_engine/tvgSwShape.cpp
index 27d91530..1a0bdc2f 100644
--- a/src/renderer/sw_engine/tvgSwShape.cpp
+++ b/src/renderer/sw_engine/tvgSwShape.cpp
@@ -356,7 +356,7 @@ static float _outlineLength(const RenderShape* rshape)
                 break;
             }
             case PathCommand::CubicTo: {
-                length += bezLengthApprox({*(pts - 1), *pts, *(pts + 1), *(pts + 2)});
+                length += bezLength({*(pts - 1), *pts, *(pts + 1), *(pts + 2)});
                 pts += 3;
                 break;
             }