From 8c10323154d1b8fb53bb9392d5239fecf0eabc61 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 14 Apr 2016 17:46:27 +0100
Subject: [PATCH] From Vladimir Chebaev, fixed handling of outline orientiation

---
 src/osgPlugins/freetype/FreeTypeFont.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/osgPlugins/freetype/FreeTypeFont.cpp b/src/osgPlugins/freetype/FreeTypeFont.cpp
index fe54d1b56..0dcebb6a9 100644
--- a/src/osgPlugins/freetype/FreeTypeFont.cpp
+++ b/src/osgPlugins/freetype/FreeTypeFont.cpp
@@ -36,7 +36,8 @@ struct Char3DInfo
         _maxX(-FLT_MAX),
         _minX(FLT_MAX),
         _minY(FLT_MAX),
-        _coord_scale(1.0/64.0)
+        _coord_scale(1.0/64.0),
+        _reverseFill(false)
     {
         _geometry->setVertexArray(_verts.get());
     }
@@ -49,6 +50,17 @@ struct Char3DInfo
     {
         if (_currentPrimitiveSet.valid() && _currentPrimitiveSet->size()>1)
         {
+            if (_reverseFill)
+            {
+                for ( int near = 0, far = _currentPrimitiveSet->size() - 1;
+                      near < far;
+                      near++, far--)
+                {
+                    std::swap((*_currentPrimitiveSet)[near],
+                              (*_currentPrimitiveSet)[far]);
+                }
+            }
+
             _geometry->addPrimitiveSet( _currentPrimitiveSet.get() );
         }
         _currentPrimitiveSet = 0;
@@ -168,7 +180,7 @@ struct Char3DInfo
     double                          _minX;
     double                          _minY;
     double                          _coord_scale;
-
+    bool                            _reverseFill;
 };
 
 
@@ -461,6 +473,9 @@ osgText::Glyph3D * FreeTypeFont::getGlyph3D(const osgText::FontResolution& fontR
     funcs.shift = 0;
     funcs.delta = 0;
 
+    FT_Orientation orientation = FT_Outline_Get_Orientation(&outline);
+    char3d._reverseFill = (orientation == FT_ORIENTATION_POSTSCRIPT);
+
     // ** record description
     FT_Error _error = FT_Outline_Decompose(&outline, &funcs, &char3d);
     if (_error)