/****************************************************************************
* MeshLab                                                           o o     *
* A versatile mesh processing toolbox                             o     o   *
*                                                                _   O  _   *
* Copyright(C) 2005                                                \/)\/    *
* Visual Computing Lab                                            /\/|      *
* ISTI - Italian National Research Council                           |      *
*                                                                    \      *
* All rights reserved.                                                      *
*                                                                           *
* This program 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.                                       *
*                                                                           *
* This program 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 (http://www.gnu.org/licenses/gpl.txt)          *
* for more details.                                                         *
*                                                                           *
****************************************************************************/
/****************************************************************************
  History

 $Log$
 Revision 1.7  2008/02/20 21:59:01  gianpaolopalma
 Added support to file .x3dv and .wrl

 Revision 1.6  2008/02/13 15:23:56  gianpaolopalma
 Added error code
 Added vector to manage the assignment of texture index

 Revision 1.5  2008/02/11 09:23:03  gianpaolopalma
 Changed error code

 Revision 1.4  2008/02/08 17:00:21  gianpaolopalma
 New deconstructor in AdditionInfoX3D class

 Revision 1.3  2008/02/05 16:46:20  gianpaolopalma
 Added error codes

 Revision 1.2  2008/02/04 13:20:33  gianpaolopalma
 Added error codes

 Revision 1.1  2008/02/02 13:46:00  gianpaolopalma
 Defined AdditionalInfoX3D with information required to parse correctly X3D scene
 Defined return code error

 
 *****************************************************************************/
#ifndef UTILX3D
#define UTILX3D

#include<QtXml/QDomDocument>


namespace vcg {
namespace tri {
namespace io {

	class AdditionalInfoX3D : public AdditionalInfo
	{
	public: 
		QDomDocument* doc;
		QString filename;

		std::map<QString, QDomNode*> inlineNodeMap;

		std::map<QString, QDomNode*> protoDeclareNodeMap;

		std::vector<QString> textureFile;

		std::vector<bool> useTexture;

		Similaritym camera;

		int lineNumberError;
		std::vector<QString> filenameStack;

		bool meshColor;
		vcg::Color4b color;
		
		AdditionalInfoX3D()
		:AdditionalInfo()
		{
			mask	= 0;
			numvert = 0;
			numface = 0;
			doc = 0;
		}

		~AdditionalInfoX3D()
		{
			if (doc)
				delete doc;
			std::map<QString,QDomNode*>::const_iterator iter;
			for (iter = inlineNodeMap.begin(); iter != inlineNodeMap.end(); iter++)
				delete(iter->second);
			for (iter = protoDeclareNodeMap.begin(); iter != protoDeclareNodeMap.end(); iter++)
				delete(iter->second);
		}
	};


	static char* errorStr;

	class UtilX3D
	{
	public:
		
		enum X3DError 
		{
			E_NOERROR,				// 0
			E_CANTOPEN,				// 1
			E_INVALIDXML,			// 2
			E_NO3DSCENE,			// 3
			E_MULTISCENE,			// 4
			E_NODEFFORUSE,			// 5
			E_INVALIDINLINE,		// 6
			E_INVALIDINLINEURL,		// 7
			E_INVALIDPROTOURL,		// 8
			E_INVALIDPROTO,			// 9
			E_INVALIDINSTFIELD,		// 10
			E_INVALIDPROTOINST,		// 11
			E_INVALIDPROTODECL,		// 12
			E_INVALIDPROTODECLFIELD,// 13
			E_INVALIDISCONNECTOR,	// 14
			E_INVALIDDEFINFIELD,	// 15
			E_MULTINAMEPROTODECL,   // 16
			E_MISMATCHDEFUSETYPE,	// 17
			E_LOOPDEPENDENCE,		// 18
			E_MULTITEXT,			// 19
			E_INVALIDFANSTRIP,		// 20
			E_INVALIDINDEXED,		// 21
			E_INVALIDINDEXEDFANSTRIP, // 23
			E_INVALIDELEVATIONGRID, // 22
			E_INVALIDINDEXFACESET, // 24
			E_INVALIDINDEXFACESETCOORD, //25
			E_INVALIDDEFUSE, // 26
			E_INVALIDSAVECOLOR, //27
			E_INVALIDSAVENORMAL, //28
			E_INVALIDSAVETEXCOORD, //29
			E_NOGEOMETRY, //30
			E_VRMLPARSERERROR	//31
		};
		
		static const char *ErrorMsg(int error)
		{
			static const char * x3d_error_msg[] =
			{
				"No errors",
				"Can't open file",
				"Invalid XML file",
				"There isn't a Scene element in X3D file",
				"The file contains more Scene elements",
				"There isn't a precede DEF for the USE",
				"Invalid Inline element. File not found",
				"Invalid url in Inline element",
				"Invalid url in ExternProtoDeclare element",
				"Invalid ExternProtoDeclare. File not found",
				"Invalid field initialization in ProtoInstance element",
				"There isn't an ExternProtoDeclare or ProtoDeclare for the ProtoInstance",
				"Invalid ProtoDeclare. There isn't a ProtoInterface or a ProtoBody",
				"Invalid field declaration in ProtoInterface element",
				"Invalid IS element in ProtoBody element",
				"Invalid DEF in ProtoInstance field", 
				"There are more ProroDeclare and ExternProtoDeclare elements with the same name",
				"Distint type between DEF and USE",
				"There is a loop in the dependences between the files",
				"There are more sources texture without a MultiTexture element",
				"Invalid TriangleFanSet or TriangleStripSet element. It contains fan or strip with less than three vertex",
				"Invalid vertex index in the index field", 
				"Invalid IndexedTriangleFanSet or IndexedTriangleStripSet element. It contains fan or strip with less than three vertex",
				"Invalid ElevationGrid element. There isn't enough height value",
				"Invalid IndexedFaceSet element. There are face with less than three vertex",
				"Invalid vertex index in the coordIndex field",
				"Illegal use of DEF and USE fields",
				"Invalid save color options. You must choose one options among color per vertex, color per face and color per wedge",
				"Invalid save normal options. You must choose one options among normal per vertex, normal per face and normal per wedge",
				"Invalid save texture coordinate options. You must choose one options among texture coordinate per vertex and texture coordinate per wedge",
				"Mesh whitout a geometry"
			};

			if(error > 31 || error < 0) return "Unknown error";
			else if (error == 31) return errorStr;
			else return x3d_error_msg[error];
		};

		
	};

	
	
	class TextureInfo
	{
	public:

		int textureIndex;
		
		vcg::Matrix33f textureTransform;

		QStringList textureCoordList;

		bool repeatS, repeatT;

		QString mode, parameter;

		bool isCoordGenerator;

		bool isValid;

		TextureInfo()
		{
			textureTransform.SetIdentity();
			isValid = true;
			isCoordGenerator = false;
			repeatS = true;
			repeatT = true;
		}

		~TextureInfo()
		{
		
		}


	};

}
}
}

#endif
