From: Mira Grudzinska <m.grudzinska@samsung.com>
Date: Wed, 8 Sep 2021 07:47:57 +0000 (+0200)
Subject: tvg_saver: fix the stroke width scaling factor
X-Git-Tag: accepted/tizen/unified/20210910.004734~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8241dcf65cdc4b2c1751ecec299d89da8a095c2;p=platform%2Fcore%2Fgraphics%2Ftizenvg.git

tvg_saver: fix the stroke width scaling factor

To get the scaling factor from the transformation matrix we have
to use two of its elements.
---

diff --git a/src/savers/tvg/tvgTvgSaver.cpp b/src/savers/tvg/tvgTvgSaver.cpp
index bba2b9b..129d3bc 100644
--- a/src/savers/tvg/tvgTvgSaver.cpp
+++ b/src/savers/tvg/tvgTvgSaver.cpp
@@ -451,7 +451,7 @@ TvgBinCounter TvgSaver::serializeStroke(const Shape* shape, const Matrix* pTrans
 
     //width
     auto width = shape->strokeWidth();
-    if (preTransform) width *= pTransform->e11;  //we know x/y scaling factors are same.
+    if (preTransform) width *= sqrt(pow(pTransform->e11, 2) + pow(pTransform->e21, 2));  //we know x/y scaling factors are same.
     auto cnt = writeTagProperty(TVG_TAG_SHAPE_STROKE_WIDTH, SIZE(width), &width);
 
     //cap