VRS - The Virtual Rendering System

version 3.3

texturetext.h

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 /**********************************************************************
 VRS - The Virtual Rendering System
 Copyright (C) 2001 Computer Graphics Systems Group at the 
 Hasso-Plattner-Institute, Potsdam, Germany.
 This library is free software; you can redistribute it and/or 
 modify it under the terms of the GNU Lesser General Public 
 License as published by the Free Software Foundation; either 
 version 2.1 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 Lesser General Public License for more details.
 You should have received a copy of the GNU Lesser+ General Public
 License along with this library; if not, write to the FreeSoftware 
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA.
 **********************************************************************/


#ifndef __TEXTURETEXT_H__
#define __TEXTURETEXT_H__


#include <string>
#include <set>
#include <map>

#include <vrs/polygonset.h>
#include <vrs/container/iterator.h>
#include <vrs/container/dictionary.h>
#include <vrs/sg/canvas.h>

#include <vrs/text/vrs_textprerequisites.h>
#include <vrs/text/fontdefinition.h>
#include <vrs/text/basetext.h>


namespace VRS
{
    class Engine;

namespace TEXT
{
    typedef std::set< SO<FontTexture> > FontTextureSet;
    typedef NonPersistentDictionary< SO<FontTexture>, SO<PolygonSet> >  TexturePolygonMap;

    class VRS_CORE_API TextureText : public BaseText
    {
        public:    
#ifdef VRS_HAS_WSTRING     // Has Unicode support
            TextureText( SO<FontDefinition> fd, const std::wstring& text );
#endif 
            TextureText( SO<FontDefinition> fd, const std::string& text );
            
            TextureText( SO<FontDefinition> fd, TextureText* bt );
            virtual ~TextureText();
          
            virtual const FontTextureSet getCachedTextures() const;
            virtual const SO< PolygonSet > getCollisionPolygonSet( ) const;
            virtual const SO< PolygonSet > getPolygonSet( SO<FontTexture> ) const;

            virtual void setMatrix( const Matrix& m );
            virtual void setMatrix( AbstractText::TextPlane tp, 
                                const Vector& offset=Vector(0,0,0), const Vector& scale=Vector(1,1,1) )
                        {
                                setMatrix( AbstractText::buildMatrix(tp,offset,scale) );
                        };

            virtual Bounds boundingBox() const;

            virtual Matrix calculateScreenSize( Engine* E ) const;

            virtual void rebuildAllCaches();
            virtual void updateCachedTextures();
            virtual void updateCachedPolygons();

            VRS_TYPEINFO(TextureText, BaseText);
            VRS_SERIALIZABLE(TextureText);
        protected:
            TextureText( );

            FontTextureSet m_CachedTextures;

            SO< PolygonSet > m_CollisionPolygonSet;
            SO< TexturePolygonMap > m_RenderPolygonSets;
    };
}
}

#endif

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