1.类的定义

myVTKapp.h

 1 #include "windows.h"
 2 #include "vtkConeSource.h"
 3 #include "vtkPolyDataMapper.h"
 4 #include "vtkRenderWindow.h"
 5 #include "vtkRenderWindowInteractor.h"
 6 #include "vtkRenderer.h"
 7  
 8 static HANDLE hinst;
 9 long FAR PASCAL WndProc (HWND,UINT,UINT,LONG);
10  
11 class myVTKapp
12 {
13 public:
14     myVTKapp(HWND parent);
15     ~myVTKapp();
16 private:
17     vtkRenderWindow *renWin;
18     vtkRenderer *renderer;
19     vtkRenderWindowInteractor *iren;
20     vtkConeSource *cone;
21     vtkPolyDataMapper *coneMapper;
22     vtkActor *coneActor;
23 };

2.类的实现

myVTKapp.ccp

 1 #include <vtkAutoInit.h>
 2 VTK_MODULE_INIT(vtkRenderingOpenGL);
 3 ///
 4 #include "myVTKcpp.h"
 5  
 6 myVTKapp::myVTKapp(HWND hwnd)
 7 {
 8     // we create the basic parts of a pipeline and connect them
 9     this->renderer = vtkRenderer::New();
10     this->renWin = vtkRenderWindow::New();
11     this->renWin->AddRenderer(this->renderer);
12  
13     // setup the parent window
14     this->renWin->SetParentId(hwnd);
15     this->iren = vtkRenderWindowInteractor::New();
16     this->iren->SetRenderWindow(this->renWin);
17  
18     //Data
19     this->cone = vtkConeSource::New();
20     this->cone->SetHeight(4.0);
21     this->cone->SetRadius(2.0);
22     this->cone->SetResolution( 20 );//???
23  
24     this->coneMapper = vtkPolyDataMapper::New();
25     this->coneMapper->SetInputConnection(this->cone->GetOutputPort());
26     this->coneActor = vtkActor::New();
27     this->coneActor->SetMapper(this->coneMapper);
28     
29     this->renderer->AddActor(this->coneActor);
30     this->renderer->SetBackground(0.2,0.3,0.4);
31     this->renWin->SetSize(800,800);
32  
33     //finally we start the interactor so that event will be handle
34     this->renWin->Render();
35 }
36 myVTKapp::~myVTKapp()
37 {
38     renWin->Delete();
39     renderer->Delete();
40     iren->Delete();
41  
42     cone->Delete();
43     coneMapper->Delete();
44     coneActor->Delete();
45  
46 }

3.主调函数

myVTKapp.cpp

 1 //WinMain
 2 int PASCAL WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
 3                     LPSTR lpszCmdParam, int nCmdShow)
 4 {
 5     static char szAppName[] = "Win32Cone";
 6     HWND hwnd ;
 7     MSG msg ;
 8     WNDCLASS wndclass ;
 9     if (!hPrevInstance)
10     {
11         wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
12         wndclass.lpfnWndProc = WndProc ;
13         wndclass.cbClsExtra = 0 ;
14         wndclass.cbWndExtra = 0 ;
15         wndclass.hInstance = hInstance;
16         wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);
17         wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
18         wndclass.lpszMenuName = NULL;
19         wndclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
20         wndclass.lpszClassName = szAppName;
21         RegisterClass (&wndclass);
22     }
23     hinst = hInstance;
24     hwnd = CreateWindow (    szAppName,
25                             "Draw Window",
26                             WS_OVERLAPPEDWINDOW,
27                             CW_USEDEFAULT,
28                             CW_USEDEFAULT,
29                             800,
30                             800,
31                             NULL,
32                             NULL,
33                             hInstance,
34                             NULL);
35     ShowWindow (hwnd, nCmdShow);
36     UpdateWindow (hwnd);
37     while (GetMessage (&msg, NULL, 0, 0))
38         {
39             TranslateMessage (&msg);
40             DispatchMessage (&msg);
41         }
42     return msg.wParam;
43 }
44  
45 long FAR PASCAL WndProc (HWND hwnd, UINT message,
46                          UINT wParam, LONG lParam)
47 {
48     static HWND ewin;
49     static myVTKapp *theVTKApp;
50     switch (message)
51     {
52         case WM_CREATE:
53         {
54             ewin = CreateWindow("button","Exit",
55                                 WS_CHILD | WS_VISIBLE | SS_CENTER,
56                                 0,800,800,60,
57                                 hwnd,(HMENU)2,
58                                 (HINSTANCE)GetWindowLong(hwnd,GWL_HINSTANCE),
59                                 NULL);
60             theVTKApp = new myVTKapp(hwnd);
61             return 0;
62         }
63         case WM_COMMAND:
64             switch (wParam)
65             {
66                 case 2:
67                     PostQuitMessage (0);
68                     if (theVTKApp)
69                     {
70                         delete theVTKApp;
71                         theVTKApp = NULL;
72                     }
73                 break;
74             }