OSGTextTXFFace.h

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#ifndef _OSGTEXTTXFFACE_H_
#define _OSGTEXTTXFFACE_H_

#ifdef _MSC_VER
# pragma once
#endif


#include <OSGConfig.h>
#include <OSGSystemDef.h>
#include <OSGBaseTypes.h>
#include <OSGGeometry.h>
#include <OSGNode.h>
#include <OSGImage.h>

#include "OSGTextFace.h"
#include "OSGTextGlyph.h"
#include "OSGTextTXFParam.h"

#include <string>
#include <map>
#include <iosfwd>


OSG_BEGIN_NAMESPACE


class TextTXFGlyph;
class TextLayoutParam;
class TextLayoutResult;


class OSG_SYSTEMLIB_DLLMAPPING TextTXFFace: public TextFace
{
    /*==========================  PUBLIC  =================================*/
  public:

    inline Real32 getScale() const;

    inline const TextTXFParam &getParam() const;

    inline ImagePtr getTexture() const;

    virtual const TextGlyph &getGlyph(TextGlyph::Index glyphIndex);

    const TextTXFGlyph &getTXFGlyph(TextGlyph::Index glyphIndex);

    virtual void layout(const std::string &utf8Text,
                        const TextLayoutParam &param,
                        TextLayoutResult &result);

    virtual void layout(const std::wstring &text,
                        const TextLayoutParam &param,
                        TextLayoutResult &result);

    virtual void layout(const std::vector<std::string> &lines,
                        const TextLayoutParam &param,
                        TextLayoutResult &result);

    virtual void layout(const std::vector<std::wstring> &lines,
                        const TextLayoutParam &param,
                        TextLayoutResult &result);

    void fillGeo(GeometryPtr &geoPtr, const TextLayoutResult &layoutResult, Real32 scale = 1.f,
                 Vec2f offset = Vec2f(0,0), Color3f color = Color3f(-1,-1,-1));

    void addToGeom(GeometryPtr &geoPtr, const TextLayoutResult &layoutResult, Real32 scale = 1.f,
                 Vec2f offset = Vec2f(0,0), Color3f color = Color3f(-1,-1,-1));

    GeometryPtr makeGeo(const TextLayoutResult &layoutResult, Real32 scale = 1.f,
                        Vec2f offset = Vec2f(0,0), Color3f color = Color3f(-1,-1,-1));

    NodePtr makeNode(const TextLayoutResult &layoutResult, Real32 scale = 1.f,
                     Vec2f offset = Vec2f(0,0), Color3f color = Color3f(-1,-1,-1));

    static TextTXFFace *create(const std::string &family, Style style = STYLE_PLAIN,
                               const TextTXFParam &param = TextTXFParam());

    static TextTXFFace *createFromStream(std::istream &is,
                                         const std::string &family = std::string(),
                                         Style style = STYLE_PLAIN);

    static TextTXFFace *createFromFile(const std::string &filename);

    bool writeToStream(std::ostream &os) const;

    bool writeToFile(const std::string &filename) const;

    /*=========================  PROTECTED  ===============================*/
  protected:

    inline TextTXFFace();

    virtual ~TextTXFFace();

    void prepareTexture(const TextTXFParam &param);

    Real32 _scale;

    TextTXFParam _param;

    ImagePtr _texture;

    typedef std::map<TextGlyph::Index, TextTXFGlyph*> GlyphMap;

    GlyphMap _glyphMap;

    /*==========================  PRIVATE  ================================*/
  private:

    TextTXFFace(const TextTXFFace &);

    const TextTXFFace &operator=(const TextTXFFace &);

    static TextTXFGlyph _emptyGlyph;
};


OSG_END_NAMESPACE


#include <OSGTextTXFFace.inl>

#define OSGTEXTTXFFACE_HEADER_CVSID "@(#)$Id: OSGTextTXFFace.h,v 1.4 2005/07/05 16:25:15 dirk Exp $"

#endif /* _OSGTEXTTXFFACE_H_ */

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