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sglTexturedTextSet.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: sglTexturedTextSet.hpp (was sglTexturedText)
 *  Created: 18 June 2001
 *  Summary: render text in a 3D location in the scene using a texture font
 *****************************************************************************/

#ifndef __SGL_TEXTUREDTEXTSET_HPP
#define __SGL_TEXTUREDTEXTSET_HPP

#include <sgl.h>

#include <sglDrawable.hpp>
#include <sglStatelet.hpp>
#include <sglVector.hpp>
#include <string>

class sglTextureFont;

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

class SGL_DLL_API sglTexturedTextSet : public sglDrawable
{
public:
   sglTexturedTextSet(sglTextureFont *font);

   virtual ~sglTexturedTextSet();

   void setString(const string &str);

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

   void setFont(sglTextureFont *font);

   sglTextureFont* getFont() const { return m_font; }

   void setColor(const sglVec4f &color);

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

   void getColor(sglVec4f &color) const;

   void setPosition(const sglVec3f &pos);

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

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

   void setCharHeight(float height);

   float getHeight() const;

   float getWidth() const;

   void setVertical(bool on);

   bool getVertical() const { return m_vertical; }

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

   virtual void drawGeometry(const vector<sglTexCoords> &tex_coords) const;

   virtual sglBound::IntersectResultEnum intersectPrim(sglIntersectf &segset);
   virtual sglBound::IntersectResultEnum intersectPrim(sglIntersectd &segset);

   virtual void printInfo(ostream &ostrm, const char *indent_string) const;

protected:
   void updateArrays();

   // ---------------- Functions required by sglDrawable -----------------
   virtual bool computeBounds();

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

private:
   string                 m_text;
   float                  m_height;
   bool                   m_vertical;

   sglTextureFont        *m_font;
   sglVec3f               m_position;

   unsigned int           m_num_prims;
   sglVec3f              *m_coords;
   sglVec4f               m_color;
   sglVec3f               m_normal;

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

#endif

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