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sglTextSet.hpp

/*****************************************************************************
 * SGL: A Scene Graph Library
 *
 * Copyright (C) 1997-2001  Scott McMillan   All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * 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 GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *****************************************************************************
 *     File: sglTextSet.hpp
 *  Created: 11 September 2001
 *  Summary: render 2D bitmapped text in a 3D location in the scene
 *****************************************************************************/

#ifndef __SGL_TEXTSET_HPP
#define __SGL_TEXTSET_HPP

#include <sgl.h>
#include <sglDrawable.hpp>
#include <sglBitmapFont.hpp>

//============================================================================

class SGL_DLL_API sglTextSet : public sglDrawable
{
public:
   sglTextSet();

   virtual ~sglTextSet();

   // --------------- Functions specific to this drawable ----------------
   void setString(const string &str);

   const string &getString() const { return m_text; }

   void setFont(sglBitmapFont *font);

   sglBitmapFont *getFont() const { return m_font; }


   void setColor(const sglVec4f &color);

   void setColor(float r, float g, float b, float a);

   const sglVec4f &getColor() const { return m_color; }

   void setPosition(const sglVec3f &pos);

   void setPosition(float x, float y, float z);

   const sglVec3f &getPosition() const { return m_position; }

   // ---------------- Functions required by sglDrawable -----------------
   // Add this drawable's stats to the given debug_stats.
   virtual void addStats(sglStats &stats) const { stats.addText(1); }

   virtual void drawGeometry(const vector<sglTexCoords> &) const;
   virtual void printInfo(ostream &ostrm, const char *indent_string) const;

protected:
   virtual bool computeBounds();

private: // not implemented
   sglTextSet(const sglTextSet &);
   sglTextSet &operator=(const sglTextSet &);

private:
   sglVec3f             m_position;
   sglVec4f             m_color;
   string               m_text;

   sglBitmapFont       *m_font;

   sglTransparency      m_transparency_statelet;
   vector<sglStatelet*> m_statelets;
};

#endif

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