Applied patch [ 802596 ] warning and error free Open GL samples

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23491 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/opengl/cube/cube.cpp b/samples/opengl/cube/cube.cpp
index cf6c3818d936de319976c57ab5d4709f0e89638f..5dc5faffc7bc1f702778ba261665dc7a20c71f57 100644 (file)
--- a/samples/opengl/cube/cube.cpp
+++ b/samples/opengl/cube/cube.cpp
@@ -27,10 +27,6 @@
 
 #include "wx/log.h"
 
-#if !wxUSE_GLCANVAS
-#error Please set wxUSE_GLCANVAS to 1 in setup.h.
-#endif
-
 #include "cube.h"
 
 #ifndef __WXMSW__     // for wxStopWatch, see remark below
@@ -70,15 +66,16 @@ END_EVENT_TABLE()
 
 ScanCodeCtrl::ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code,
                              const wxPoint& pos, const wxSize& size )
-                  : wxTextCtrl( parent, id, "", pos, size )
+                  : wxTextCtrl( parent, id, wxEmptyString, pos, size )
 { wxString buf;
-  buf.Printf( "0x%04x", code );
+  buf.Printf( _T("0x%04x"), code );
   SetValue( buf );
 }
 
 void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event )
-{ wxString buf;
-  buf.Printf( "0x%04x", event.GetKeyCode() );
+{
+  wxString buf;
+  buf.Printf( _T("0x%04x"), event.GetKeyCode() );
   SetValue( buf );
 }
 
@@ -101,18 +98,18 @@ ScanCodeDialog::ScanCodeDialog( wxWindow* parent, wxWindowID id,
                const int code, const wxString &descr, const wxString& title )
           : wxDialog( parent, id, title, wxPoint(-1, -1), wxSize(96*2,76*2) )
 {
-  new wxStaticText( this, -1, "Scancode", wxPoint(4*2,3*2),
+  new wxStaticText( this, -1, _T("Scancode"), wxPoint(4*2,3*2),
                     wxSize(31*2,12*2) );
   m_ScanCode = new ScanCodeCtrl( this, -1, code, wxPoint(37*2,6*2),
                                  wxSize(53*2,14*2) );
 
-  new wxStaticText( this, -1, "Description", wxPoint(4*2,24*2),
+  new wxStaticText( this, -1, _T("Description"), wxPoint(4*2,24*2),
                     wxSize(32*2,12*2) );
   m_Description = new wxTextCtrl( this, -1, descr, wxPoint(37*2,27*2),
                                   wxSize(53*2,14*2) );
 
-  new wxButton( this, wxID_OK, "Ok", wxPoint(20*2,50*2), wxSize(20*2,13*2) );
-  new wxButton( this, wxID_CANCEL, "Cancel", wxPoint(44*2,50*2),
+  new wxButton( this, wxID_OK, _T("Ok"), wxPoint(20*2,50*2), wxSize(20*2,13*2) );
+  new wxButton( this, wxID_CANCEL, _T("Cancel"), wxPoint(44*2,50*2),
                 wxSize(25*2,13*2) );
 }
 
@@ -120,7 +117,7 @@ int ScanCodeDialog::GetValue()
 {
   int code;
   wxString buf = m_ScanCode->GetValue();
-  sscanf( buf.c_str(), "%i", &code );
+  wxSscanf( buf.c_str(), _T("%i"), &code );
   return( code );
 }
 
@@ -160,6 +157,8 @@ unsigned long wxStopWatch( unsigned long *sec_base )
   Implementation of Test-GLCanvas
 -----------------------------------------------------------------*/
 
+#if wxUSE_GLCANVAS
+
 BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
   EVT_SIZE(TestGLCanvas::OnSize)
   EVT_PAINT(TestGLCanvas::OnPaint)
@@ -263,12 +262,12 @@ void TestGLCanvas::Render()
   SwapBuffers();
 }
 
-void TestGLCanvas::OnEnterWindow( wxMouseEvent& event )
+void TestGLCanvas::OnEnterWindow( wxMouseEvent& WXUNUSED(event) )
 {
     SetFocus();
 }
 
-void TestGLCanvas::OnPaint( wxPaintEvent& event )
+void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     Render();
 }
@@ -290,7 +289,7 @@ void TestGLCanvas::OnSize(wxSizeEvent& event)
     }
 }
 
-void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
+void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 {
   // Do nothing, to avoid flashing.
 }
@@ -415,6 +414,8 @@ void TestGLCanvas::Rotate( GLfloat deg )
 }
 
 
+#endif // wxUSE_GLCANVAS
+
 /* -----------------------------------------------------------------------
   Main Window
 -------------------------------------------------------------------------*/
@@ -435,57 +436,64 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
 }
 
 // Intercept menu commands
-void MyFrame::OnExit(wxCommandEvent& event)
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 {
     Destroy();
 }
 
-void MyFrame::OnNewWindow(wxCommandEvent& event)
+void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event))
 {
-  MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo Clone",
+  MyFrame *frame = new MyFrame(NULL, _T("Cube OpenGL Demo Clone"),
                                wxPoint(50, 50), wxSize(400, 300));
   // Give it an icon
 #ifdef __WXMSW__
-  frame->SetIcon(wxIcon("mondrian"));
+  frame->SetIcon(wxIcon(_T("mondrian")));
 #endif
 
   // Make a menubar
   wxMenu *winMenu = new wxMenu;
 
-  winMenu->Append(wxID_EXIT, "&Close");
-  winMenu->Append(ID_NEW_WINDOW, "&New" );
+  winMenu->Append(wxID_EXIT, _T("&Close"));
+  winMenu->Append(ID_NEW_WINDOW, _T("&New") );
   wxMenuBar *menuBar = new wxMenuBar;
-  menuBar->Append(winMenu, "&Window");
+  menuBar->Append(winMenu, _T("&Window"));
 
   winMenu = new wxMenu;
-  winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
-  winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
-  menuBar->Append(winMenu, "&Key");
+  winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, _T("Rotate &left"));
+  winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, _T("Rotate &right"));
+  menuBar->Append(winMenu, _T("&Key"));
 
   frame->SetMenuBar(menuBar);
 
+#if wxUSE_GLCANVAS
   frame->m_canvas = new TestGLCanvas( frame, *m_canvas, -1,
                wxDefaultPosition, wxDefaultSize );
+#endif
 
   // Show the frame
   frame->Show(TRUE);
 }
 
-void MyFrame::OnDefRotateLeftKey(wxCommandEvent& event)
+void MyFrame::OnDefRotateLeftKey(wxCommandEvent& WXUNUSED(event))
 {
+#if wxUSE_GLCANVAS
   ScanCodeDialog dial( this, -1, m_canvas->m_rleft,
-                       wxString("Left"), "Define key" );
+                       wxString(_T("Left")), _T("Define key") );
   int result = dial.ShowModal();
   if( result == wxID_OK )
     m_canvas->m_rleft = dial.GetValue();
+#endif
 }
-void MyFrame::OnDefRotateRightKey(wxCommandEvent& event)
+
+void MyFrame::OnDefRotateRightKey(wxCommandEvent& WXUNUSED(event))
 {
+#if wxUSE_GLCANVAS
   ScanCodeDialog dial( this, -1, m_canvas->m_rright,
-                       wxString("Right"), "Define key" );
+                       wxString(_T("Right")), _T("Define key") );
   int result = dial.ShowModal();
   if( result == wxID_OK )
     m_canvas->m_rright = dial.GetValue();
+#endif
 }
 
 /*------------------------------------------------------------------
@@ -499,7 +507,7 @@ bool MyApp::OnInit(void)
   wxLog::SetTraceMask(wxTraceMessages);
 
   // Create the main frame window
-  MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo", wxPoint(50, 50),
+  MyFrame *frame = new MyFrame(NULL, _T("Cube OpenGL Demo"), wxPoint(50, 50),
                                wxSize(400, 300));
   // Give it an icon
 #ifdef wx_msw
@@ -509,22 +517,33 @@ bool MyApp::OnInit(void)
   // Make a menubar
   wxMenu *winMenu = new wxMenu;
 
-  winMenu->Append(wxID_EXIT, "&Close");
-  winMenu->Append(ID_NEW_WINDOW, "&New" );
+  winMenu->Append(wxID_EXIT, _T("&Close"));
+  winMenu->Append(ID_NEW_WINDOW, _T("&New") );
   wxMenuBar *menuBar = new wxMenuBar;
-  menuBar->Append(winMenu, "&Window");
+  menuBar->Append(winMenu, _T("&Window"));
 
   winMenu = new wxMenu;
-  winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
-  winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
-  menuBar->Append(winMenu, "&Key");
+  winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, _T("Rotate &left"));
+  winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, _T("Rotate &right"));
+  menuBar->Append(winMenu, _T("&Key"));
 
   frame->SetMenuBar(menuBar);
 
+#if wxUSE_GLCANVAS
+
   frame->m_canvas = new TestGLCanvas(frame, -1, wxDefaultPosition, wxDefaultSize);
 
   // Show the frame
   frame->Show(TRUE);
 
   return TRUE;
+
+#else
+
+  wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK);
+
+  return FALSE;
+
+#endif
+
 }

diff --git a/samples/opengl/cube/cube.h b/samples/opengl/cube/cube.h
index c01b89e1c3ae63c10a372a29c721e457e37e2ebc..f7d4de6fbdc8349114a3015dc15c19b04c407a1c 100644 (file)
--- a/samples/opengl/cube/cube.h
+++ b/samples/opengl/cube/cube.h
@@ -40,17 +40,19 @@ public:
 DECLARE_EVENT_TABLE()
 };
 
+#if wxUSE_GLCANVAS
+
 class TestGLCanvas: public wxGLCanvas
 {
   friend class MyFrame;
 public:
  TestGLCanvas(wxWindow *parent, const wxWindowID id = -1, 
     const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
-    long style = 0, const wxString& name = "TestGLCanvas");
+    long style = 0, const wxString& name = _T("TestGLCanvas"));
  TestGLCanvas(wxWindow *parent, const TestGLCanvas &other,
           const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
           const wxSize& size = wxDefaultSize, long style = 0,
-          const wxString& name = "TestGLCanvas" );
+          const wxString& name = _T("TestGLCanvas") );
    
  ~TestGLCanvas(void);
 
@@ -91,3 +93,5 @@ DECLARE_EVENT_TABLE()
 
 #endif
 
+#endif
+

diff --git a/samples/opengl/isosurf/isosurf.cpp b/samples/opengl/isosurf/isosurf.cpp
index 9e474230f13502ffceebbbdc36bcb3e94f5a523d..db1f68034a74ca17cdaf1a6958212c0c1711c6b4 100644 (file)
--- a/samples/opengl/isosurf/isosurf.cpp
+++ b/samples/opengl/isosurf/isosurf.cpp
@@ -25,10 +25,6 @@
 #include "wx/wx.h"
 #endif
 
-#if !wxUSE_GLCANVAS
-#error Please set wxUSE_GLCANVAS to 1 in setup.h.
-#endif
-
 #include "wx/timer.h"
 #include "wx/glcanvas.h"
 
@@ -76,13 +72,13 @@ static GLfloat xrot;
 static GLfloat yrot;
 
 
-static void read_surface( char *filename )
+static void read_surface( wxChar *filename )
 {
    FILE *f;
 
-   f = fopen(filename,"r");
+   f = wxFopen(filename,_T("r"));
    if (!f) {
-      wxString msg("Couldn't read ");
+      wxString msg(_T("Couldn't read "));
       msg += filename;
       wxMessageBox(msg);
       return;
@@ -97,7 +93,7 @@ static void read_surface( char *filename )
    }
    numverts--;
 
-   printf("%d vertices, %d triangles\n", numverts, numverts-2);
+   wxPrintf(_T("%d vertices, %d triangles\n"), numverts, numverts-2);
    fclose(f);
 }
 
@@ -203,26 +199,26 @@ static void Init(void)
 #endif
 }
 
-static GLenum Args(int argc, char **argv)
+static GLenum Args(int argc, wxChar **argv)
 {
    GLint i;
 
    for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-sb") == 0) {
+      if (wxStrcmp(argv[i], _T("-sb")) == 0) {
          doubleBuffer = GL_FALSE;
       }
-      else if (strcmp(argv[i], "-db") == 0) {
+      else if (wxStrcmp(argv[i], _T("-db")) == 0) {
          doubleBuffer = GL_TRUE;
       }
-      else if (strcmp(argv[i], "-speed") == 0) {
+      else if (wxStrcmp(argv[i], _T("-speed")) == 0) {
          speed_test = GL_TRUE;
          doubleBuffer = GL_TRUE;
       }
-      else if (strcmp(argv[i], "-va") == 0) {
+      else if (wxStrcmp(argv[i], _T("-va")) == 0) {
          use_vertex_arrays = GL_TRUE;
       }
       else {
-         wxString msg("Bad option: ");
+         wxString msg(_T("Bad option: "));
          msg += argv[i];
          wxMessageBox(msg);
          return GL_FALSE;
@@ -243,17 +239,17 @@ bool MyApp::OnInit(void)
   Args(argc, argv);
 
   // Create the main frame window
-  frame = new MyFrame(NULL, "Isosurf GL Sample", wxPoint(50, 50), wxSize(200, 200));
+  frame = new MyFrame(NULL, _T("Isosurf GL Sample"), wxPoint(50, 50), wxSize(200, 200));
 
   // Give it an icon
-  frame->SetIcon(wxIcon("mondrian"));
+  frame->SetIcon(wxIcon(_T("mondrian")));
 
   // Make a menubar
   wxMenu *fileMenu = new wxMenu;
 
-  fileMenu->Append(wxID_EXIT, "E&xit");
+  fileMenu->Append(wxID_EXIT, _T("E&xit"));
   wxMenuBar *menuBar = new wxMenuBar;
-  menuBar->Append(fileMenu, "&File");
+  menuBar->Append(fileMenu, _T("&File"));
   frame->SetMenuBar(menuBar);
 
   // Make a TestGLCanvas
@@ -281,18 +277,27 @@ bool MyApp::OnInit(void)
       doubleBuffer = GL_FALSE;
   }
  
+#if wxUSE_GLCANVAS
+
   frame->m_canvas = new TestGLCanvas(frame, -1, wxDefaultPosition, wxDefaultSize,
-                                     0, "TestGLCanvas", gl_attrib );
+                                     0, _T("TestGLCanvas"), gl_attrib );
 
   // Show the frame
   frame->Show(TRUE);
 
   frame->m_canvas->SetCurrent();
-  read_surface( "isosurf.dat" );
+  read_surface( _T("isosurf.dat") );
 
   Init();
 
   return TRUE;
+
+#else
+
+  wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK);
+
+  return FALSE;
+#endif
 }
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
@@ -304,11 +309,13 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
     const wxSize& size, long style):
   wxFrame(frame, -1, title, pos, size, style)
 {
+#if wxUSE_GLCANVAS
     m_canvas = NULL;
+#endif
 }
 
 // Intercept menu commands
-void MyFrame::OnExit(wxCommandEvent& event)
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 {
     Destroy();
 }
@@ -317,6 +324,8 @@ void MyFrame::OnExit(wxCommandEvent& event)
  * TestGLCanvas implementation
  */
 
+#if wxUSE_GLCANVAS
+
 BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
     EVT_SIZE(TestGLCanvas::OnSize)
     EVT_PAINT(TestGLCanvas::OnPaint)
@@ -344,7 +353,7 @@ TestGLCanvas::~TestGLCanvas(void)
 {
 }
 
-void TestGLCanvas::OnPaint( wxPaintEvent& event )
+void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     // This is a dummy, to avoid an endless succession of paint messages.
     // OnPaint handlers must always create a wxPaintDC.
@@ -440,8 +449,9 @@ void TestGLCanvas::OnMouseEvent(wxMouseEvent& event)
     dragging = 0;
 }
 
-void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
+void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 {
     // Do nothing, to avoid flashing.
 }
 
+#endif
\ No newline at end of file

diff --git a/samples/opengl/isosurf/isosurf.h b/samples/opengl/isosurf/isosurf.h
index e404def144b2da70b33e6e8fc17c1f719efb1da8..a3dba1907a36a6a0faefd7dc0e9fcf57e59ab319 100644 (file)
--- a/samples/opengl/isosurf/isosurf.h
+++ b/samples/opengl/isosurf/isosurf.h
@@ -18,11 +18,12 @@ class MyApp: public wxApp
     bool OnInit(void);
 };
 
+#if wxUSE_GLCANVAS
 class TestGLCanvas: public wxGLCanvas
 {
  public:
    TestGLCanvas(wxWindow *parent, const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
-      const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "TestGLCanvas",
+      const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = _T("TestGLCanvas"),
       int* gl_attrib = NULL);
    ~TestGLCanvas(void);
 
@@ -34,6 +35,7 @@ class TestGLCanvas: public wxGLCanvas
 
 DECLARE_EVENT_TABLE()
 };
+#endif
 
 class MyFrame: public wxFrame
 {
@@ -43,7 +45,9 @@ public:
 
     void OnExit(wxCommandEvent& event);
 public:
+#if wxUSE_GLCANVAS
     TestGLCanvas*    m_canvas;
+#endif
 
 DECLARE_EVENT_TABLE()
 };

diff --git a/samples/opengl/penguin/lw.cpp b/samples/opengl/penguin/lw.cpp
index 44c2dd32b4e93a73648df4ef2339514172cf98b4..baa729a2c88c91ebe7fae7cd4d9a3495973d6736 100644 (file)
--- a/samples/opengl/penguin/lw.cpp
+++ b/samples/opengl/penguin/lw.cpp
@@ -36,6 +36,8 @@
 #include <stdio.h>
 #include <math.h>
 
+#if wxUSE_GLCANVAS
+
 #define MK_ID(a,b,c,d) ((((wxUint32)(a))<<24)| \
             (((wxUint32)(b))<<16)| \
             (((wxUint32)(c))<< 8)| \
@@ -435,4 +437,5 @@ void lw_object_scale(lwObject *lwo, GLfloat scale)
   }
 }
 
+#endif
 

diff --git a/samples/opengl/penguin/lw.h b/samples/opengl/penguin/lw.h
index be8c727bb568722b33f0a1c751caaad25050b4bd..ebe5bda2d34793cd1bc076d180bcd21a6f975e71 100644 (file)
--- a/samples/opengl/penguin/lw.h
+++ b/samples/opengl/penguin/lw.h
@@ -61,6 +61,7 @@ typedef struct {
 extern "C" {
 #endif
 
+#if wxUSE_GLCANVAS
 int       lw_is_lwobject(const char     *lw_file);
 lwObject *lw_object_read(const char     *lw_file);
 void      lw_object_free(      lwObject *lw_object);
@@ -68,6 +69,7 @@ void      lw_object_show(const lwObject *lw_object);
 
 GLfloat   lw_object_radius(const lwObject *lw_object);
 void      lw_object_scale (lwObject *lw_object, GLfloat scale);
+#endif
 
 #ifdef __cplusplus
 }

diff --git a/samples/opengl/penguin/penguin.cpp b/samples/opengl/penguin/penguin.cpp
index 0c686418359a00e5294aec9e690c30c57f833824..b1e573bd9bd7aa44c4ed26478c8fa21cf8de482f 100644 (file)
--- a/samples/opengl/penguin/penguin.cpp
+++ b/samples/opengl/penguin/penguin.cpp
@@ -25,10 +25,6 @@
 #include "wx/wx.h"
 #endif
 
-#if !wxUSE_GLCANVAS
-#error Please set wxUSE_GLCANVAS to 1 in setup.h.
-#endif
-
 #include "penguin.h"
 #ifdef __WXMAC__
 #  ifdef __DARWIN__
@@ -57,6 +53,7 @@ bool MyApp::OnInit()
   menuBar->Append(fileMenu, wxT("&File"));
   frame->SetMenuBar(menuBar);
 
+#if wxUSE_GLCANVAS
   frame->SetCanvas( new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200), wxSUNKEN_BORDER) );
 
   /* Load file wiht mesh data */
@@ -66,6 +63,13 @@ bool MyApp::OnInit()
   frame->Show(TRUE);
   
   return TRUE;
+#else
+
+  wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK);
+
+  return FALSE;
+
+#endif
 }
 
 IMPLEMENT_APP(MyApp)
@@ -79,15 +83,19 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
     const wxSize& size, long style):
   wxFrame(frame, -1, title, pos, size, style)
 {
+#if wxUSE_GLCANVAS
     m_canvas = NULL;
+#endif
 }
 
 /* Intercept menu commands */
-void MyFrame::OnExit(wxCommandEvent& event)
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 {
     Destroy();
 }
 
+#if wxUSE_GLCANVAS
+
 BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
     EVT_SIZE(TestGLCanvas::OnSize)
     EVT_PAINT(TestGLCanvas::OnPaint)
@@ -108,7 +116,7 @@ TestGLCanvas::~TestGLCanvas(void)
     lw_object_free(info.lwobject);
 }
 
-void TestGLCanvas::OnPaint( wxPaintEvent& event )
+void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     /* must always be here */
     wxPaintDC dc(this);
@@ -170,7 +178,7 @@ void TestGLCanvas::OnSize(wxSizeEvent& event)
     }
 }
 
-void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
+void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 {
     /* Do nothing, to avoid flashing on MSW */
 }
@@ -249,3 +257,4 @@ void TestGLCanvas::InitGL(void)
 }
 
 
+#endif

diff --git a/samples/opengl/penguin/penguin.h b/samples/opengl/penguin/penguin.h
index d04c39988f220a7841f8421e5be070c40a35057d..0020b657afe8c29b5511586c251da2f5fe89e4bb 100644 (file)
--- a/samples/opengl/penguin/penguin.h
+++ b/samples/opengl/penguin/penguin.h
@@ -55,15 +55,19 @@ public:
 
     void OnExit(wxCommandEvent& event);
     
+#if wxUSE_GLCANVAS
     void SetCanvas( TestGLCanvas *canvas )    { m_canvas = canvas; }
     TestGLCanvas *GetCanvas()                 { return m_canvas; }
     
 private:
     TestGLCanvas*    m_canvas;
+#endif
 
     DECLARE_EVENT_TABLE()
 };
 
+#if wxUSE_GLCANVAS
+
 class TestGLCanvas: public wxGLCanvas
 {
 public:
@@ -87,3 +91,5 @@ private:
 
 #endif
 
+#endif
+