Text.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API 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 General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __TEXT_H__
#define __TEXT_H__

#include "X3DGeometryNode.h"
#include "X3DFontStyleNode.h"
#include "MFFloat.h"
#include "SFFloat.h"
#include "MFString.h"

namespace H3D {

  class H3DAPI_API Text : public X3DGeometryNode {
  protected:
    typedef TypedSFNode< X3DFontStyleNode > SFFontStyleNode;

    class H3DAPI_API SFBound: 
      public TypedField< X3DGeometryNode::SFBound,
      Types< SFFontStyleNode, MFFloat, SFFloat, MFString > >{
        protected:
      virtual void update();
    }; 

    class H3DAPI_API DisplayList : public X3DGeometryNode::DisplayList {
      virtual void callList( bool build_list );
    };

  public:
    
    Text( Inst< SFNode          > _metadata    = 0,
          Inst< SFBound         > _bound       = 0,
          Inst< DisplayList     > _displayList = 0,
          Inst< SFFontStyleNode > _fontStyle   = 0,
          Inst< MFFloat         > _length      = 0,
          Inst< SFFloat         > _maxExtent   = 0,
          Inst< MFString        > _string      = 0,
          Inst< SFBool          > _solid       = 0 );

    virtual void render();

#ifdef USE_HAPTICS
    virtual void traverseSG( TraverseInfo &ti ); 
#endif

    auto_ptr< SFFontStyleNode   >  fontStyle;
    
    auto_ptr< MFFloat  >  length;

    auto_ptr< SFFloat  >  maxExtent;

    auto_ptr< MFString >  stringF;

    auto_ptr< SFBool   >  solid;

    static H3DNodeDatabase database;
  protected:
    virtual void scaleToMaxExtent( const vector< string >&text, 
                                   X3DFontStyleNode *font );
    
    virtual void justifyMinor( const vector< string > &text,
                               X3DFontStyleNode *font );

    virtual void moveToNewLine( const string &text, X3DFontStyleNode *font );

    virtual void renderTextLine( const string& text,
                                 X3DFontStyleNode *font );
    
    virtual void justifyLine( const string& text,
                              X3DFontStyleNode *font );
  };
}

#endif

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