/*
 This file is part of the VRender library.
 Copyright (C) 2005 Cyril Soler (Cyril.Soler@imag.fr)
 Version 1.0.0, released on June 27, 2005.

 http://artis.imag.fr/Members/Cyril.Soler/VRender

 VRender 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.

 VRender 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 VRender; if not, write to the Free Software Foundation, Inc.,
 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
*/

/****************************************************************************

 Copyright (C) 2002-2006 Gilles Debunne (Gilles.Debunne@imag.fr)

This file is part of the QGLViewer library.
 Version 2.2.4-1, released on December 12, 2006.

 http://artis.imag.fr/Members/Gilles.Debunne/QGLViewer

 libQGLViewer 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.

 libQGLViewer 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 libQGLViewer; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*****************************************************************************/

#ifndef _VRENDER_H_
#define _VRENDER_H_

#include <string>

namespace vrender
{
	class VRenderParams ;
	typedef void (*RenderCB)(void *) ;
	typedef void (*ProgressFunction)(float,const std::string&) ;

	void VectorialRender(RenderCB DrawFunc, void *callback_params, VRenderParams& render_params) ;

	class VRenderParams
	{
		public:
			VRenderParams() ;
			~VRenderParams() ;

			enum VRenderSortMethod { NoSorting, BSPSort, TopologicalSort, AdvancedTopologicalSort };
			enum VRenderFormat     { EPS, PS, XFIG, SVG };

			enum VRenderOption {	CullHiddenFaces         = 0x1,
						OptimizeBackFaceCulling = 0x4,
						RenderBlackAndWhite     = 0x8,
						AddBackground           = 0x10,
						TightenBoundingBox      = 0x20 } ;

			int sortMethod()    { return _sortMethod; }
			void setSortMethod(VRenderParams::VRenderSortMethod s) { _sortMethod = s ; }

			int format()        { return _format; }
			void setFormat(VRenderFormat f) { _format = f; }

			const char *filename() { return _filename ; }
			void setFilename(const char *s) ;

			void setOption(VRenderOption,bool) ;
			bool isEnabled(VRenderOption) ;

			void setProgressFunction(ProgressFunction pf) { _progress_function = pf ; }

		private:
			int _error;
			VRenderSortMethod _sortMethod;
			VRenderFormat     _format ;

			ProgressFunction _progress_function ;

			unsigned int _options; // _DrawMode; _ClearBG; _TightenBB;
			char *_filename;

			friend void VectorialRender(	RenderCB render_callback,
							void *callback_params,
							VRenderParams& vparams);
			friend class ParserGL ;
			friend class Exporter ;
			friend class BSPSortMethod ;
			friend class VisibilityOptimizer ;
			friend class TopologicalSortMethod ;
			friend class TopologicalSortUtils ;

			int& error() { return _error ; }
			int& size()  { static int size=1000000; return size ; }

			void progress(float,const std::string&) ;
	};
}
#endif