#include "GeoMeshSimplifier.h"
#include "GeoMeshSimpSequence.h"
#include "SimplificationMethod.h"
#include <iostream>
#include <fstream>

using namespace Geometry;
using namespace std;

MeshSimplifier::MeshSimplifier(	const Geometry::Mesh	*m,
																Geometry::TIPOFUNC		upb)
{
	objmesh					=	m;
	meshsalida			=	NULL;
	msimpsequence		=	NULL;
	indexMeshLeaves	=	-1;

	//	Sets the actual progress bar function.
	mUPB	=	upb;
}

MeshSimplifier::~MeshSimplifier()
{
	delete msimpsequence;
}

// Returns the simplified mesh.
Geometry::Mesh *MeshSimplifier::GetMesh ()
{
	return meshsalida;
}

void MeshSimplifier::setMeshLeaves(Geometry::Index index)
{
	indexMeshLeaves	=	index;
}

// Returns the simplification sequence for general meshes.
Geometry::MeshSimplificationSequence *MeshSimplifier::GetSimplificationSequence()
{
	return msimpsequence;
}

ImageBasedSimplifier::ImageBasedSimplifier (const Geometry::Mesh 	*m,
																						Geometry::TIPOFUNC		upb)
																						:MeshSimplifier(m,upb)
{
}

ImageBasedSimplifier::~ImageBasedSimplifier()
{
}

// Starts the simplification process. Receives as a parameter the LOD factor in a range of [0,1]. Implements the Simplifier::Simplify method to perform an image based simplification.
void ImageBasedSimplifier::Simplify (Geometry::Real paramlod)
{
	SimplificationMethod *m_qslim	=	new SimplificationMethod(objmesh);
	
	m_qslim->setMeshLeaves(indexMeshLeaves);
	
	msimpsequence	=	m_qslim->Decimate(paramlod,&meshsalida,0,mUPB);
	
	delete	m_qslim;
}

// Starts the simplification process. Receives as a parameter the number of vertices of the resulting mesh. Implements the Simplifier::Simplify method to perform an image based simplification.
void ImageBasedSimplifier::Simplify (Geometry::uint32 numvertices)
{
	SimplificationMethod *m_qslim	=	new SimplificationMethod(objmesh);
	
	m_qslim->setMeshLeaves(indexMeshLeaves);
	
	msimpsequence	=	m_qslim->Decimate((float)numvertices,&meshsalida,1,mUPB);
	
	delete m_qslim;
}