From cf8bba906c73f5af9a51d960fe45c7df2a2bb858 Mon Sep 17 00:00:00 2001
From: Thomas Holder <thomas@thomas-holder.de>
Date: Mon, 17 Jun 2019 08:11:16 +0200
Subject: fix #305 Transform->Skew->Horizontal direction

---
 src/ui/dialog/transformation.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/ui/dialog/transformation.cpp b/src/ui/dialog/transformation.cpp
index d4649ddd1..ac6d134e0 100644
--- a/src/ui/dialog/transformation.cpp
+++ b/src/ui/dialog/transformation.cpp
@@ -837,8 +837,9 @@ void Transformation::applyPageSkew(Inkscape::Selection *selection)
                     getDesktop()->getMessageStack()->flash(Inkscape::WARNING_MESSAGE, _("Transform matrix is singular, <b>not used</b>."));
                     return;
                 }
-                double skewX = tan(-angleX);
+                double skewX = tan(angleX);
                 double skewY = tan(angleY);
+                skewX *= getDesktop()->yaxisdir();
                 skewY *= getDesktop()->yaxisdir();
                 sp_item_skew_rel (item, skewX, skewY);
             } else { // absolute displacement
@@ -884,8 +885,9 @@ void Transformation::applyPageSkew(Inkscape::Selection *selection)
                     getDesktop()->getMessageStack()->flash(Inkscape::WARNING_MESSAGE, _("Transform matrix is singular, <b>not used</b>."));
                     return;
                 }
-                double skewX = tan(-angleX);
+                double skewX = tan(angleX);
                 double skewY = tan(angleY);
+                skewX *= getDesktop()->yaxisdir();
                 skewY *= getDesktop()->yaxisdir();
                 selection->skewRelative(*center, skewX, skewY);
             } else { // absolute displacement
-- 
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