FGFS-4.1/OpenSceneGraph
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Moved Style and Bevel classes out into their own include/osgText/Style header.

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Introduced GlyphGeometry class for handling the geometry data for rendering 3D text
This commit is contained in:
Robert Osfield
2010-09-24 12:57:55 +00:00
parent d9a133476a
commit c006c75615
8 changed files with 362 additions and 212 deletions
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64
include/osgText/Glyph
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@@ -1,4 +1,4 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
/* -*-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
@@ -25,6 +25,7 @@
#include <osgText/Export>
#include <osgText/KerningType>
#include <osgText/Style>
#include <OpenThreads/Mutex>
@@ -33,6 +34,7 @@ namespace osgText {
class Font;
class Text;
class Glyph3D;
class GlyphGeometry;
class GlyphTexture;
class OSGTEXT_EXPORT Glyph : public osg::Image
@@ -95,6 +97,50 @@ protected:
};
class OSGTEXT_EXPORT GlyphGeometry : public osg::Referenced
{
public:
GlyphGeometry();
void setup(const Glyph* glyph, const Style* style);
bool match(const Style* style) const;
osg::Geode* getGeode() const { return _geode.get(); }
osg::Geometry* getGeometry() const { return _geometry.get(); }
/** Set the VertexArray of the glyph. */
void setVertexArray(osg::Vec3Array * va) { _vertices = va; }
/** Get the VertexArray of the glyph. */
osg::Vec3Array * getVertexArray() const { return _vertices.get(); }
/** Set the VertexArray of the glyph. */
void setNormalArray(osg::Vec3Array* na) { _normals = na; }
/** Get the NormalArray for the wall face. */
osg::Vec3Array* getNormalArray() const { return _normals.get(); }
/** Get the PrimitiveSetList for the front face. */
osg::Geometry::PrimitiveSetList& getFrontPrimitiveSetList() { return _frontPrimitiveSetList; }
/** Get the PrimitiveSetList for the wall face. */
osg::Geometry::PrimitiveSetList& getWallPrimitiveSetList() { return _wallPrimitiveSetList; }
/** Get et the PrimitiveSetList for the back face. */
osg::Geometry::PrimitiveSetList& getBackPrimitiveSetList() { return _backPrimitiveSetList; }
protected:
osg::ref_ptr<Style> _style;
osg::ref_ptr<osg::Geode> _geode;
osg::ref_ptr<osg::Geometry> _geometry;
osg::ref_ptr<osg::Vec3Array> _vertices;
osg::ref_ptr<osg::Vec3Array> _normals;
osg::Geometry::PrimitiveSetList _frontPrimitiveSetList;
osg::Geometry::PrimitiveSetList _wallPrimitiveSetList;
osg::Geometry::PrimitiveSetList _backPrimitiveSetList;
};
class OSGTEXT_EXPORT Glyph3D : public osg::Referenced
{
public:
@@ -150,17 +196,18 @@ public:
osg::Vec3Array * getNormalArray() { return _normalArray.get(); }
float getHorizontalWidth() { return (-_horizontalBearing.x() + _horizontalAdvance); }
float getHorizontalHeight() { return (-_horizontalBearing.y() + _bb.yMax()); }
float getVerticalWidth() { return (-_verticalBearing.x() + _bb.xMax()); }
float getVerticalHeight() { return (-_verticalBearing.y() + _verticalAdvance); }
float getHorizontalWidth() const { return (-_horizontalBearing.x() + _horizontalAdvance); }
float getHorizontalHeight() const { return (-_horizontalBearing.y() + _bb.yMax()); }
float getVerticalWidth() const { return (-_verticalBearing.x() + _bb.xMax()); }
float getVerticalHeight() const { return (-_verticalBearing.y() + _verticalAdvance); }
void setWidth(float width) { _width = width; }
float getWidth() { return _width; }
float getWidth() const { return _width; }
void setHeight(float height) { _height = height; }
float getHeight() { return _height; }
float getHeight() const { return _height; }
GlyphGeometry* getGlyphGeometry(Style* style);
protected:
@@ -193,6 +240,9 @@ protected:
osg::ref_ptr<osg::Vec3Array> _rawVertexArray;
osg::Geometry::PrimitiveSetList _rawFacePrimitiveSetList;
typedef std::list< osg::ref_ptr<GlyphGeometry> > GlyphGeometries;
GlyphGeometries _glyphGeometries;
};