From a7a96e710c4e1d82f133c131d964c4433651e963 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 20 Dec 2003 14:23:04 +0000
Subject: [PATCH] Added support for REVERESED_XY_PLANE, REVERESED_XZ_PLANE and
 REVERESED_YZ_PLANE's for the axis alignement to allow the text to be
 reversed.

---
 src/osgPlugins/osgText/IO_Text.cpp |  3 +++
 src/osgText/Text.cpp               | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/osgPlugins/osgText/IO_Text.cpp b/src/osgPlugins/osgText/IO_Text.cpp
index 964f38e16..f3fc3bc38 100644
--- a/src/osgPlugins/osgText/IO_Text.cpp
+++ b/src/osgPlugins/osgText/IO_Text.cpp
@@ -117,8 +117,11 @@ bool Text_readLocalData(osg::Object &obj, osgDB::Input &fr)
     {
         std::string str = fr[1].getStr();
         if      (str=="XY_PLANE") text.setAxisAlignment(osgText::Text::XY_PLANE);
+        else if (str=="REVERSED_XY_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XY_PLANE);
         else if (str=="XZ_PLANE") text.setAxisAlignment(osgText::Text::XZ_PLANE);
+        else if (str=="REVERSED_XZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XZ_PLANE);
         else if (str=="YZ_PLANE") text.setAxisAlignment(osgText::Text::YZ_PLANE);
+        else if (str=="REVERSED_YZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_YZ_PLANE);
         else if (str=="SCREEN") text.setAxisAlignment(osgText::Text::SCREEN);
         fr += 2;
         itAdvanced = true;
diff --git a/src/osgText/Text.cpp b/src/osgText/Text.cpp
index 9a61ebd1e..58c5e9278 100644
--- a/src/osgText/Text.cpp
+++ b/src/osgText/Text.cpp
@@ -158,13 +158,25 @@ void Text::setAxisAlignment(AxisAlignment axis)
     case XZ_PLANE:
         setRotation(osg::Quat(osg::inDegrees(90.0f),osg::Vec3(1.0f,0.0f,0.0f))); 
         break;
+    case REVERSED_XZ_PLANE:
+        setRotation(osg::Quat(osg::inDegrees(180.0f),osg::Vec3(0.0f,1.0f,0.0f))*
+                    osg::Quat(osg::inDegrees(90.0f),osg::Vec3(1.0f,0.0f,0.0f))); 
+        break;
     case YZ_PLANE:  
         setRotation(osg::Quat(osg::inDegrees(90.0f),osg::Vec3(1.0f,0.0f,0.0f))*
                     osg::Quat(osg::inDegrees(90.0f),osg::Vec3(0.0f,0.0f,1.0f)));
         break;
+    case REVERSED_YZ_PLANE:  
+        setRotation(osg::Quat(osg::inDegrees(180.0f),osg::Vec3(0.0f,1.0f,0.0f))*
+                    osg::Quat(osg::inDegrees(90.0f),osg::Vec3(1.0f,0.0f,0.0f))*
+                    osg::Quat(osg::inDegrees(90.0f),osg::Vec3(0.0f,0.0f,1.0f)));
+        break;
     case XY_PLANE:
         setRotation(osg::Quat());  // nop - already on XY plane.
         break;
+    case REVERSED_XY_PLANE:
+        setRotation(osg::Quat(osg::inDegrees(180.0f),osg::Vec3(0.0f,1.0f,0.0f)));
+        break;
     case SCREEN:
         setAutoRotateToScreen(true);
         break;