Moved Style and Bevel classes out into their own include/osgText/Style header.

Introduced GlyphGeometry class for handling the geometry data for rendering 3D text

include/osgText/Style

@@ -0,0 +1,112 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGTEXT_STYLE
+#define OSGTEXT_STYLE 1
+
+#include <osg/Object>
+#include <osg/Vec2>
+#include <osgText/Export>
+
+#include <vector>
+
+namespace osgText
+{
+
+class OSGTEXT_EXPORT Bevel : public osg::Object
+{
+    public:
+
+        Bevel();
+        Bevel(const Bevel& bevel, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
+
+        META_Object(osgText, Bevel)
+
+        bool operator == (const Bevel& rhs) const
+        {
+            if (_thickness != rhs._thickness) return false;
+            return _vertices==rhs._vertices;
+        }
+
+        void setBevelThickness(float thickness) { _thickness = thickness; }
+        float getBevelThickness() const { return _thickness; }
+
+        void flatBevel(float width=0.25f);
+
+        void roundedBevel(float width=0.5f, unsigned int numSteps=10);
+
+        void roundedBevel2(float width=0.5f, unsigned int numSteps=10);
+
+        typedef std::vector<osg::Vec2> Vertices;
+
+        void setVertices(const Vertices& vertices) { _vertices = vertices; }
+        Vertices& getVertices() { return _vertices; }
+        const Vertices& getVertices() const { return _vertices; }
+
+        void print(std::ostream& fout);
+
+    protected:
+
+        float           _thickness;
+        Vertices        _vertices;
+};
+
+
+class OSGTEXT_EXPORT Style : public osg::Object
+{
+    public:
+
+        Style();
+        Style(const Style& style, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
+
+        META_Object(osgText, Style)
+
+        /// default Layout implementation used if no other is specified on TextNode
+        static osg::ref_ptr<Style>& getDefaultStyle();
+
+        bool operator == (const Style& style) const;
+
+        /// NULL is no bevel
+        void setBevel(Bevel* bevel) { _bevel = bevel; }
+        const Bevel* getBevel() const { return _bevel.get(); }
+
+
+        /// 1 is the default width of the text
+        void setWidthRatio(float widthRatio) { _widthRatio = widthRatio; }
+        float getWidthRatio() const { return _widthRatio; }
+
+        /// 0 is 2D text
+        void setThicknessRatio(float thicknessRatio) { _thicknessRatio = thicknessRatio; }
+        float getThicknessRatio() const { return _thicknessRatio; }
+
+        /// 0 is off
+        void setOutlineRatio(float outlineRatio) { _outlineRatio = outlineRatio; }
+        float getOutlineRatio() const { return _outlineRatio; }
+
+        /// 1.0 is default number of samples
+        void setSampleDensity(float sd) { _sampleDensity = sd; }
+        float getSampleDensity() const { return _sampleDensity; }
+
+    protected:
+
+        osg::ref_ptr<Bevel>     _bevel;
+
+        float                   _widthRatio;
+        float                   _thicknessRatio;
+        float                   _outlineRatio;
+        float                   _sampleDensity;
+};
+
+}
+
+#endif