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

  文件名: 2.4_vtkPipelineExecute.cpp
  Copyright (c) 张晓东, 罗火灵. All rights reserved.
  更多信息请访问: 
    http://www.vtkchina.org (VTK中国)
	http://blog.csdn.net/www_doling_net (东灵工作室) 

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

#include <vtkSmartPointer.h>
#include <vtkBMPReader.h>
#include <vtkImageData.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkImageViewer2.h>
#include <vtkRenderWindow.h>

//测试文件：data/VTK-logo.bmp
int main(int argc, char* argv[])
{
	if (argc < 2)
	{
		std::cout<<argv[0]<<" "<<"BMP-File(*.bmp)"<<std::endl;
		return EXIT_FAILURE;
	}
	vtkSmartPointer<vtkBMPReader> reader = vtkSmartPointer<vtkBMPReader>::New();
	std::cout<<"Modification Time of reader (After New()): "<<reader->GetMTime()<<std::endl;
	reader->SetFileName(argv[1]);
	std::cout<<"Modification Time of reader (After SetFileName()): "<<reader->GetMTime()<<std::endl;

	vtkImageData* imageData = reader->GetOutput();
	std::cout<<"Modification Time of reader (After GetOutput()): "<<reader->GetMTime()<<std::endl;
	reader->Update();
	std::cout<<"Modification Time of reader (After Update()): "<<reader->GetMTime()<<std::endl;

	int extent[6];
	imageData->GetWholeExtent(extent);
	std::cout<<"Extent of image: "<<extent[0]<<" "
		<<extent[1]<<" "<<extent[2]<<" "<<extent[3]<<" "
		<<extent[4]<<" "<<extent[5]<<" "<<std::endl;

	vtkSmartPointer<vtkImageViewer2> viewer = 
		vtkSmartPointer<vtkImageViewer2>::New();
	vtkSmartPointer<vtkRenderWindowInteractor> interactor = 
		vtkSmartPointer<vtkRenderWindowInteractor>::New();
	viewer->SetupInteractor(interactor);
	viewer->SetInput(imageData);
	viewer->Render();

	viewer->SetSize(640, 480);
	viewer->GetRenderWindow()->SetWindowName("vtkPipelineExecute");

	interactor->Initialize();
	interactor->Start();

	return EXIT_SUCCESS;
}