From da0ee5ce6f5057a8e7e42561b4adfef55e89557b Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Mon, 31 Dec 2018 11:33:20 +0200
Subject: [PATCH] Fix bug with flipped piece and follow grainline option.

--HG--
branch : develop
---
 src/libs/vlayout/vposition.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libs/vlayout/vposition.cpp b/src/libs/vlayout/vposition.cpp
index 700e42b82..d7926e41c 100644
--- a/src/libs/vlayout/vposition.cpp
+++ b/src/libs/vlayout/vposition.cpp
@@ -607,6 +607,13 @@ void VPosition::FollowGrainline()
     QLineF detailGrainline(10, 10, 100, 10);
     detailGrainline.setAngle(detail.GrainlineAngle());
 
+    if (detail.IsForceFlipping())
+    {
+        VLayoutPiece workDetail = detail; // We need copy for temp change
+        workDetail.Mirror(not followGrainline ? gContour.GlobalEdge(j) : QLineF(10, 10, 10, 100));
+        detailGrainline = workDetail.GetMatrix().map(detailGrainline);
+    }
+
     const qreal angle = detailGrainline.angleTo(FabricGrainline());
 
     if (detail.GrainlineArrowType() == ArrowType::atFront)