Added GLCanvas library (Win only at present).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/glcanvas/samples/cube/cube.cpp

@@ -0,0 +1,179 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        cube.cpp
+// Purpose:     wxGLCanvas demo program
+// Author:      Julian Smart
+// Modified by:
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation
+#pragma interface
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "wx/log.h"
+
+#include "cube.h"
+
+// This statement initializes the whole application and calls OnInit
+MyApp myApp;
+
+IMPLEMENT_APP(MyApp)
+
+// `Main program' equivalent, creating windows and returning main app frame
+bool MyApp::OnInit(void)
+{
+  wxLog::SetTraceMask(wxTraceMessages);
+
+  // Create the main frame window
+  MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo", wxPoint(50, 50), wxSize(400, 300));
+
+  // Give it an icon
+#ifdef wx_msw
+  frame->SetIcon(wxIcon("mondrian"));
+#endif
+
+  // Make a menubar
+  wxMenu *fileMenu = new wxMenu;
+
+  fileMenu->Append(wxID_EXIT, "E&xit");
+  wxMenuBar *menuBar = new wxMenuBar;
+  menuBar->Append(fileMenu, "&File");
+  frame->SetMenuBar(menuBar);
+
+  frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200));
+
+  InitGL();
+
+  // Show the frame
+  frame->Show(TRUE);
+  
+  return TRUE;
+}
+
+void MyApp::InitGL(void)
+{
+    /* set viewing projection */
+    glMatrixMode(GL_PROJECTION);
+    glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F);
+
+    /* position viewer */
+    glMatrixMode(GL_MODELVIEW);
+    glTranslatef(0.0F, 0.0F, -2.0F);
+
+    /* position object */
+    glRotatef(30.0F, 1.0F, 0.0F, 0.0F);
+    glRotatef(30.0F, 0.0F, 1.0F, 0.0F);
+
+    glEnable(GL_DEPTH_TEST);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+}
+
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU(wxID_EXIT, MyFrame::OnExit)
+END_EVENT_TABLE()
+
+// My frame constructor
+MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
+    const wxSize& size, long style):
+  wxFrame(frame, -1, title, pos, size, style)
+{
+    m_canvas = NULL;
+}
+
+// Intercept menu commands
+void MyFrame::OnExit(wxCommandEvent& event)
+{
+    Destroy();
+}
+
+bool MyFrame::OnClose(void)
+{
+    return TRUE;
+}
+
+BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
+    EVT_SIZE(TestGLCanvas::OnSize)
+    EVT_PAINT(TestGLCanvas::OnPaint)
+    EVT_ERASE_BACKGROUND(TestGLCanvas::OnEraseBackground)
+END_EVENT_TABLE()
+
+TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
+    const wxPoint& pos, const wxSize& size, long style, const wxString& name):
+  wxGLCanvas(parent, id, pos, size, style, name)
+{
+}
+
+TestGLCanvas::~TestGLCanvas(void)
+{
+}
+
+void TestGLCanvas::OnPaint( wxPaintEvent& event )
+{
+    if ( !GetContext() )
+        return;
+
+    SetCurrent();
+
+    /* clear color and depth buffers */
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    /* draw six faces of a cube */
+    glBegin(GL_QUADS);
+    glNormal3f( 0.0F, 0.0F, 1.0F);
+    glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f(-0.5F, 0.5F, 0.5F);
+    glVertex3f(-0.5F,-0.5F, 0.5F); glVertex3f( 0.5F,-0.5F, 0.5F);
+
+    glNormal3f( 0.0F, 0.0F,-1.0F);
+    glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f(-0.5F, 0.5F,-0.5F);
+    glVertex3f( 0.5F, 0.5F,-0.5F); glVertex3f( 0.5F,-0.5F,-0.5F);
+
+    glNormal3f( 0.0F, 1.0F, 0.0F);
+    glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f( 0.5F, 0.5F,-0.5F);
+    glVertex3f(-0.5F, 0.5F,-0.5F); glVertex3f(-0.5F, 0.5F, 0.5F);
+
+    glNormal3f( 0.0F,-1.0F, 0.0F);
+    glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f( 0.5F,-0.5F,-0.5F);
+    glVertex3f( 0.5F,-0.5F, 0.5F); glVertex3f(-0.5F,-0.5F, 0.5F);
+
+    glNormal3f( 1.0F, 0.0F, 0.0F);
+    glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f( 0.5F,-0.5F, 0.5F);
+    glVertex3f( 0.5F,-0.5F,-0.5F); glVertex3f( 0.5F, 0.5F,-0.5F);
+
+    glNormal3f(-1.0F, 0.0F, 0.0F);
+    glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f(-0.5F,-0.5F, 0.5F);
+    glVertex3f(-0.5F, 0.5F, 0.5F); glVertex3f(-0.5F, 0.5F,-0.5F);
+    glEnd();
+
+    SwapBuffers();
+}
+
+void TestGLCanvas::OnSize(wxSizeEvent& event)
+{
+    int width, height;
+    GetClientSize(& width, & height);
+
+    if ( GetContext() )
+        glViewport(0, 0, width, height);
+}
+
+void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
+{
+    // Do nothing, to avoid flashing.
+}
+

utils/glcanvas/samples/cube/cube.h

@@ -0,0 +1,56 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        cube.h
+// Purpose:     wxGLCanvas demo program
+// Author:      Julian Smart
+// Modified by:
+// Created:     04/01/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_CUBE_H_
+#define _WX_CUBE_H_
+
+#include "glcanvas.h"
+
+// Define a new application type
+class MyApp: public wxApp
+{
+public:
+    bool OnInit(void);
+    void InitGL(void);
+};
+
+// Define a new frame type
+class TestGLCanvas;
+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);
+
+    TestGLCanvas*    m_canvas;
+
+DECLARE_EVENT_TABLE()
+};
+
+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");
+   ~TestGLCanvas(void);
+
+   void OnPaint(wxPaintEvent& event);
+   void OnSize(wxSizeEvent& event);
+   void OnEraseBackground(wxEraseEvent& event);
+
+DECLARE_EVENT_TABLE()
+};
+
+#endif
+

utils/glcanvas/samples/cube/cube.rc

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+mondrian ICON "mondrian.ico"
+#include "wx/msw/wx.rc"
+

utils/glcanvas/samples/cube/makefile.g95

@@ -0,0 +1,37 @@
+#
+# File:		makefile.unx
+# Author:	Julian Smart
+# Created:	1993
+# Updated:	
+# Copyright:	(c) 1993, AIAI, University of Edinburgh
+#
+# "%W% %G%"
+#
+# Makefile for cube example (UNIX).
+
+WXDIR = ../..
+
+# All common UNIX compiler flags and options are now in
+# this central makefile.
+include $(WXDIR)/src/makeg95.env
+
+OBJECTS = $(OBJDIR)/cube.$(OBJSUFF)
+
+all:    $(OBJDIR) cube$(GUISUFFIX)$(EXESUFF)
+
+wx:
+
+$(OBJDIR):
+	mkdir $(OBJDIR)
+
+cube$(GUISUFFIX)$(EXESUFF):	$(OBJDIR)/cube.$(OBJSUFF) cube.res $(WXLIB)
+	$(CC) $(LDFLAGS) -o cube$(GUISUFFIX)$(EXESUFF) $(OBJDIR)/cube.$(OBJSUFF) $(LDLIBS)
+	$(RSRC) cube.$(RESSUFF) cube.exe
+
+$(OBJDIR)/cube.$(OBJSUFF):	cube.$(SRCSUFF)
+	$(CC) -c $(CPPFLAGS) -o $@ cube.$(SRCSUFF)
+
+cube.res:  cube.rc
+
+clean:
+	rm -f $(OBJECTS) cube$(GUISUFFIX).exe core *.rsc *.res

utils/glcanvas/samples/cube/makefile.nt

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+#
+# File:		makefile.nt
+# Author:	Julian Smart
+# Created:	1997
+# Updated:	
+#
+# "%W% %G%"
+#
+# Makefile : Builds cube example (MS VC++).
+# Use FINAL=1 argument to nmake to build final version with no debugging
+# info
+
+# Set WXDIR for your system
+WXDIR = $(WXWIN)
+
+WXUSINGDLL=0
+
+EXTRAINC=-I..\..\win
+EXTRALIBS=$(WXDIR)\lib\glcanvas.lib glu.lib opengl.lib
+
+!include $(WXDIR)\src\ntwxwin.mak
+
+THISDIR = $(WXDIR)\utils\glcanvas\samples\cube
+PROGRAM=cube
+
+OBJECTS = $(PROGRAM).obj
+
+$(PROGRAM):    $(PROGRAM).exe
+
+all:    wx $(PROGRAM).exe
+
+wx:
+        cd $(WXDIR)\src\msw
+        nmake -f makefile.nt FINAL=$(FINAL)
+        cd $(THISDIR)
+
+wxclean:
+        cd $(WXDIR)\src\msw
+        nmake -f makefile.nt clean
+        cd $(THISDIR)
+
+$(PROGRAM).exe:      $(DUMMYOBJ) $(WXLIB) $(OBJECTS) $(PROGRAM).res
+	$(link) @<<
+-out:$(PROGRAM).exe
+$(LINKFLAGS)
+$(DUMMYOBJ) $(OBJECTS) $(PROGRAM).res
+$(LIBS)
+<<
+
+
+$(PROGRAM).obj:      $(PROGRAM).$(SRCSUFF) $(PROGRAM).h $(DUMMYOBJ)
+        $(cc) @<<
+$(CPPFLAGS2) /c /Tp $*.$(SRCSUFF)
+<<
+
+$(PROGRAM).res :      $(PROGRAM).rc $(WXDIR)\include\wx\msw\wx.rc
+    $(rc) -r /i$(WXDIR)\include -fo$@ $(PROGRAM).rc
+
+
+clean:
+        -erase *.obj
+        -erase *.exe
+        -erase *.res
+        -erase *.map
+        -erase *.sbr
+        -erase *.pdb