Added isosurf wxGLCanvas sample, cured OnPaint bug (missing wxPaintDC object)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@553 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/glcanvas/samples/isosurf/isosurf.h

@@ -0,0 +1,53 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        isosurf.h
+// Purpose:     wxGLCanvas demo program
+// Author:      Brian Paul (original gltk version), Wolfram Gloger
+// Modified by: Julian Smart
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_ISOSURF_H_
+#define _WX_ISOSURF_H_
+
+// Define a new application type
+class MyApp: public wxApp
+{ public:
+    bool OnInit(void);
+};
+
+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",
+      int* gl_attrib = NULL);
+   ~TestGLCanvas(void);
+
+   void OnPaint(wxPaintEvent& event);
+   void OnSize(wxSizeEvent& event);
+   void OnEraseBackground(wxEraseEvent& event);
+   void OnChar(wxKeyEvent& event);
+   void OnMouseEvent(wxMouseEvent& event);
+
+DECLARE_EVENT_TABLE()
+};
+
+class MyFrame: public wxFrame
+{
+public:
+    MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size,
+        long style = wxDEFAULT_FRAME_STYLE);
+
+    void OnExit(wxCommandEvent& event);
+    bool OnClose(void);
+public:
+    TestGLCanvas*    m_canvas;
+
+DECLARE_EVENT_TABLE()
+};
+
+#endif
+