#include "vtkImageViewer2_XYZ.h"
#include "vtkRenderer.h"
#include "vtkImageActor.h"
#include "vtkImageData.h"
//-------------------------------------------------------------------
//-------------------------------------------------------------------
//-------------------------------------------------------------------
vtkImageViewer2_XYZ::vtkImageViewer2_XYZ()
{
	_vtkimageviewer2=  vtkImageViewer2::New();
	_vtkimageviewer2->GetRenderer()->GradientBackgroundOn();
	_vtkimageviewer2->GetRenderer()->SetBackground( 0.33 , 0.33 , 0.33 );
	_vtkimageviewer2->GetRenderer()->SetBackground2( 0.66 , 0.66 , 0.66 );
	_colortable = NULL;
}
//-------------------------------------------------------------------
vtkImageViewer2_XYZ::~vtkImageViewer2_XYZ()
{
	//_vtkimageviewer2->Delete();
}
//-------------------------------------------------------------------
void vtkImageViewer2_XYZ::SetExtentDimension(int x1,int x2,
											 int y1,int y2,
											 int z1,int z2)
{
	_x1=x1;
	_x2=x2;
	_y1=y1;
	_y2=y2;
	_z1=z1;
	_z2=z2;
}
//-------------------------------------------------------------------
void vtkImageViewer2_XYZ::SetXSlice(int slice)
{
	vtkImageActor *imageActor = _vtkimageviewer2->GetImageActor();
	imageActor->SetDisplayExtent(slice, slice, _y1, _y2, _z1, _z2 );  
}
//-------------------------------------------------------------------
void vtkImageViewer2_XYZ::SetYSlice(int slice)
{
	vtkImageActor *imageActor = _vtkimageviewer2->GetImageActor();
	imageActor->SetDisplayExtent(_x1, _x2, slice, slice, _z1, _z2 );  
}
//-------------------------------------------------------------------
void vtkImageViewer2_XYZ::SetZSlice(int slice)
{
#if (VTK_MAJOR_VERSION >= 5)
//		_vtkimageviewer2->SetSlice( slice );
	vtkImageActor *imageActor = _vtkimageviewer2->GetImageActor();
	imageActor->SetDisplayExtent(_x1, _x2, _y1, _y2, slice, slice );  
#else
		_vtkimageviewer2->SetZSlice( slice );
#endif


}
//-------------------------------------------------------------------
int vtkImageViewer2_XYZ::GetXSlice()
{
	vtkImageActor *imageActor = _vtkimageviewer2->GetImageActor();
	return imageActor->GetDisplayExtent()[0];
}
//-------------------------------------------------------------------
int vtkImageViewer2_XYZ::GetYSlice()
{
	vtkImageActor *imageActor = _vtkimageviewer2->GetImageActor();
	return imageActor->GetDisplayExtent()[2];
}
//-------------------------------------------------------------------
int vtkImageViewer2_XYZ::GetZSlice()
{

	 int result;
#if (VTK_MAJOR_VERSION >= 5)
		result= _vtkimageviewer2->GetSlice( );
#else
		result= _vtkimageviewer2->GetZSlice( );
#endif

	
	return result;
}
//-------------------------------------------------------------------
vtkImageViewer2 *vtkImageViewer2_XYZ::GetVtkImageViewer2()
{
	return _vtkimageviewer2;
}

void vtkImageViewer2_XYZ::setColorTransferFunction(vtkColorTransferFunction* colortable){

	
	vtkImageMapToWindowLevelColors* imagemaptowindowlevel = _vtkimageviewer2->GetWindowLevel();

	if(colortable!=NULL&&colortable->GetSize()>0 && _colortable != colortable){
		_colortable = colortable;
		imagemaptowindowlevel->SetLookupTable(colortable);
	}

}