From 4d35807a54c64f0dcd6302ace2a05d7bc2f4c491 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 8 Jun 2006 13:34:29 +0000
Subject: [PATCH] From Matt Green, fix to handling of centering of multi-line
 text entries.

---
 src/osgText/Text.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/osgText/Text.cpp b/src/osgText/Text.cpp
index 909a64b0f..b85622b9f 100644
--- a/src/osgText/Text.cpp
+++ b/src/osgText/Text.cpp
@@ -377,6 +377,18 @@ String::iterator Text::computeLastCharacterOnLine(osg::Vec2& cursor, String::ite
             while (lastValidChar!=first && deliminatorSet.count(*lastValidChar)==0)
             {
                 --lastValidChar;
+                
+                //Substract off glyphs from the cursor position (to correctly center text)
+                Font::Glyph* glyph = activefont->getGlyph(*lastValidChar);
+                if (glyph)
+                {
+                    switch(_layout)
+                    {
+                    case LEFT_TO_RIGHT: cursor.x() -= glyph->getHorizontalAdvance() * wr; break;
+                    case VERTICAL:      cursor.y() += glyph->getVerticalAdvance() * hr; break;
+                    case RIGHT_TO_LEFT: break; // nop.
+                    }
+                }
             }
             if (first!=lastValidChar)
             {
@@ -919,7 +931,6 @@ void Text::drawImplementation(osg::State& state) const
         }
     }
 
-
     glNormal3fv(_normal.ptr());
     glColor4fv(_color.ptr());