#include "stdafx.h"
#include "DllInterface.h"
#include <EIMInterfaceDLL.h>

DllInterface::DllInterface()
: m_isValid( FALSE )
{
	Initialize();
}

DllInterface::~DllInterface()
{
	if ( hDLL )
	{
		FreeLibrary( hDLL );
	}

	if ( eimResult.vect_adventitia )
	{
		delete[] eimResult.vect_adventitia;
	}

	if ( eimResult.vect_intima )
	{
		delete[] eimResult.vect_intima;
	}

	if ( eimResult.vect_media )
	{
		delete[] eimResult.vect_media;
	}
}

BOOL DllInterface::IsValid()
{
	return m_isValid;
}

void DllInterface::Clear()
{
	eimResult.imt_max = 0.0;
	eimResult.imt_mean = 0.0;
	eimResult.imt_standardDeviation = 0.0;
	eimResult.intima_mean = 0.0;
	eimResult.media_mean = 0.0;
	eimResult.qualityIndex = 0.0;
	eimResult.distance = 0.0;
	eimResult.numberOfPoints = 0;
}

imt::IMTResult* DllInterface::GetResult()
{
	return &eimResult;
}

BOOL DllInterface::initializeFromFile( const char* fileName, double mmPerPixelX, double mmPerPixelY )
{
	return m_initializeFromFile( fileName, mmPerPixelX, mmPerPixelY );
}

BOOL DllInterface::setFirstPoint( CPoint pt )
{
	eimResult.p0.x = pt.x;
	eimResult.p0.y = pt.y;

	return m_setFirstPoint( pt.x, pt.y );
}

BOOL DllInterface::setSecondPoint( CPoint pt )
{
	return m_setSecondPoint( pt.x, pt.y, &eimResult );
}

void DllInterface::Initialize()
{
	eimResult.vect_adventitia = NULL;
	eimResult.vect_intima = NULL;
	eimResult.vect_media = NULL;

	Clear();

	hDLL = LoadLibrary( _T( "LibIMTDLL.dll" ) );

	if ( hDLL )
	{
		m_isValid = TRUE;

		m_initializeFromFile = (dll_initializeFromFile)GetProcAddress( hDLL, "initializeFromFile" );
		if ( !m_initializeFromFile )
		{
			m_isValid = FALSE;
		}

		initializeFromRaw = (dll_initializeFromRaw)GetProcAddress( hDLL, "initializeFromRaw" );
		if ( !initializeFromRaw )
		{
			m_isValid = FALSE;
		}

		m_setFirstPoint = (dll_setFirstPoint)GetProcAddress( hDLL, "setFirstPoint" );
		if ( !m_setFirstPoint )
		{
			m_isValid = FALSE;
		}

		getDistanceToFirstPoint = (dll_getDistanceToFirstPoint)GetProcAddress( hDLL, "getDistanceToFirstPoint" );
		if ( !getDistanceToFirstPoint )
		{
			m_isValid = FALSE;
		}

		m_setSecondPoint = (dll_setSecondPoint)GetProcAddress( hDLL, "setSecondPoint" );
		if ( !m_setSecondPoint )
		{
			m_isValid = FALSE;
		}

		getImageWidth = (dll_getImageWidth)GetProcAddress( hDLL, "getImageWidth" );
		if ( !getImageWidth )
		{
			m_isValid = FALSE;
		}

		getImageHeight = (dll_getImageHeight)GetProcAddress( hDLL, "getImageHeight" );
		if ( !getImageHeight )
		{
			m_isValid = FALSE;
		}

		getImageBitsPerPixel = (dll_getImageBitsPerPixel)GetProcAddress( hDLL, "getImageBitsPerPixel" );
		if ( !getImageBitsPerPixel )
		{
			m_isValid = FALSE;
		}

		getPixelArray = (dll_getPixelArray)GetProcAddress( hDLL, "getPixelArray" );
		if ( !getPixelArray )
		{
			m_isValid = FALSE;
		}
	}
}