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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Kitware.VTK;
namespace Dialog
{
/// <summary>
/// Simple Example that loads images and displays them
/// </summary>
public partial class Form1 : Form
{
public vtkProp3D imgProp = null;
/// <summary>
/// Constructor for the form
/// </summary>
public Form1()
{
InitializeComponent();
}
/// <summary>
/// Load an image with an open dialog
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButton1_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
// Get the name of the file you want to open from the dialog
string fileName = openFileDialog1.FileName;
vtkRenderer ren = (vtkRenderer)this.renderWindowControl1.RenderWindow.GetRenderers().GetItemAsObject(0);
//Get rid of any props already there
if (imgProp != null)
{
ren.RemoveActor(imgProp);
imgProp.Dispose();
imgProp = null;
}
//Look at known file types to see if they are readable
if (fileName.Contains(".png")
|| fileName.Contains(".jpg")
|| fileName.Contains(".jpeg")
|| fileName.Contains(".tif")
|| fileName.Contains(".slc")
|| fileName.Contains(".dicom")
|| fileName.Contains(".minc")
|| fileName.Contains(".bmp")
|| fileName.Contains(".pmn"))
{
Kitware.VTK.vtkImageReader2 rdr =
Kitware.VTK.vtkImageReader2Factory.CreateImageReader2(fileName);
rdr.SetFileName(fileName);
rdr.Update();
imgProp = vtkImageActor.New();
((vtkImageActor)imgProp).SetInput(rdr.GetOutput());
rdr.Dispose();
}
//.vtk files need a DataSetReader instead of a ImageReader2
//some .vtk files need a different kind of reader, but this
//will read most and serve our purposes
else if (fileName.Contains(".vtk"))
{
vtkDataSetReader dataReader = vtkDataSetReader.New();
vtkDataSetMapper dataMapper = vtkDataSetMapper.New();
imgProp = vtkActor.New();
dataReader.SetFileName(fileName);
dataReader.Update();
dataMapper.SetInput(dataReader.GetOutput());
((vtkActor)imgProp).SetMapper(dataMapper);
dataMapper.Dispose();
dataMapper = null;
dataReader.Dispose();
dataReader = null;
}
else
{
return;
}
ren.AddActor(imgProp);
//Reset the camera to show the image
//Equivilant of pressing 'r'
ren.ResetCamera();
//Rerender the screen
//NOTE: sometimes you have to drag the mouse
//a little before the image shows up
renderWindowControl1.RenderWindow.Render();
ren.Render();
}
}
/// <summary>
/// Clean up
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (imgProp != null)
{
imgProp.Dispose();
}
if (this.renderWindowControl1 != null)
{
this.renderWindowControl1.Dispose();
}
System.GC.Collect();
}
}
}
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