089e55d6e8
Added new OpenGl code. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2464 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
397 lines
11 KiB
C++
397 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: cube.cpp
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// Purpose: wxGLCanvas demo program
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation
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#pragma interface
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/log.h"
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#include "cube.h"
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#define ID_NEW_WINDOW 10000
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#define ID_DEF_ROTATE_LEFT_KEY 10001
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#define ID_DEF_ROTATE_RIGHT_KEY 10002
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//////////////////////////////////////////////////////////////////////////////////
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// Control to get a keycode
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class CScanTextCtrl : public wxTextCtrl
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{
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public:
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CScanTextCtrl( wxWindow* parent, wxWindowID id, int code,
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const wxPoint& pos, const wxSize& size );
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void OnChar( wxKeyEvent& event ) { } /* do nothing */
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void OnKeyDown(wxKeyEvent& event);
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private:
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE( CScanTextCtrl, wxTextCtrl )
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EVT_CHAR( CScanTextCtrl::OnChar )
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EVT_KEY_DOWN( CScanTextCtrl::OnKeyDown )
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END_EVENT_TABLE()
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CScanTextCtrl::CScanTextCtrl( wxWindow* parent, wxWindowID id, int code,
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const wxPoint& pos, const wxSize& size )
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: wxTextCtrl( parent, id, "", pos, size )
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{
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wxString buf;
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buf.Printf( "0x%04x", code );
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SetValue( buf );
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}
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void CScanTextCtrl::OnKeyDown( wxKeyEvent& event )
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{
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#ifdef __WXDEBUG__
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wxLogTrace(wxTraceMessages, "[EVT_KEYDOWN]: Key = %04x, time = %d\n", event.KeyCode(),
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event.m_timeStamp );
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#endif // __WXDEBUG__
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wxString buf;
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buf.Printf( "0x%04x", event.KeyCode() );
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SetValue( buf );
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}
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///////////////////////////////////////////////////////////
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// Dialog for defining a keypress
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class CMenuKeyDialog : public wxDialog
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{
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public:
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CMenuKeyDialog( wxWindow* parent, wxWindowID id, const int code, const wxString &descr,
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const wxString& title );
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int GetValue();
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private:
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CScanTextCtrl *m_ScanCode;
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wxTextCtrl *m_Description;
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE( CMenuKeyDialog, wxDialog )
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//
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END_EVENT_TABLE()
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CMenuKeyDialog::CMenuKeyDialog( wxWindow* parent, wxWindowID id, const int code,
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const wxString &descr, const wxString& title )
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: wxDialog( parent, id, title, wxPoint(-1, -1), wxSize(96*2,76*2) )
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{
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new wxStaticText( this, -1, "Scancode", wxPoint(4*2,3*2), wxSize(31*2,12*2) );
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m_ScanCode = new CScanTextCtrl( this, -1, code, wxPoint(37*2,6*2), wxSize(53*2,14*2) );
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new wxStaticText( this, -1, "Description", wxPoint(4*2,24*2), wxSize(32*2,12*2) );
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m_Description = new wxTextCtrl( this, -1, descr, wxPoint(37*2,27*2), wxSize(53*2,14*2) );
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new wxButton( this, wxID_OK, "Ok", wxPoint(20*2,50*2), wxSize(20*2,13*2) );
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new wxButton( this, wxID_CANCEL, "Cancel", wxPoint(44*2,50*2), wxSize(25*2,13*2) );
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}
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int CMenuKeyDialog::GetValue()
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{
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int code;
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wxString buf = m_ScanCode->GetValue();
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#ifdef __WXDEBUG__
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wxLogTrace(wxTraceMessages, buf.c_str() );
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#endif // __WXDEBUG__
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sscanf( buf.c_str(), "%i", &code );
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return( code );
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}
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// `Main program' equivalent, creating windows and returning main app frame
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bool MyApp::OnInit(void)
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{
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wxLog::SetTraceMask(wxTraceMessages);
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// Create the main frame window
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MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo", wxPoint(50, 50), wxSize(400, 300));
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// Give it an icon
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#ifdef wx_msw
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frame->SetIcon(wxIcon("mondrian"));
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#endif
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// Make a menubar
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wxMenu *winMenu = new wxMenu;
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winMenu->Append(wxID_EXIT, "&Close");
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winMenu->Append(ID_NEW_WINDOW, "&New" );
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wxMenuBar *menuBar = new wxMenuBar;
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menuBar->Append(winMenu, "&Window");
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winMenu = new wxMenu;
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winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
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winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
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menuBar->Append(winMenu, "&Key");
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frame->SetMenuBar(menuBar);
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frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200));
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// Show the frame
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frame->Show(TRUE);
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return TRUE;
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}
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void MyFrame::OnNewWindow()
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{
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MyFrame *frame = new MyFrame(NULL, "Cube OpenGL Demo Clone", wxPoint(50, 50), wxSize(400, 300));
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// Give it an icon
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#ifdef wx_msw
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frame->SetIcon(wxIcon("mondrian"));
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#endif
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// Make a menubar
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wxMenu *winMenu = new wxMenu;
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winMenu->Append(wxID_EXIT, "&Close");
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winMenu->Append(ID_NEW_WINDOW, "&New" );
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wxMenuBar *menuBar = new wxMenuBar;
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menuBar->Append(winMenu, "&Window");
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winMenu = new wxMenu;
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winMenu->Append(ID_DEF_ROTATE_LEFT_KEY, "Rotate &left");
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winMenu->Append(ID_DEF_ROTATE_RIGHT_KEY, "Rotate &right");
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menuBar->Append(winMenu, "&Key");
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frame->SetMenuBar(menuBar);
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frame->m_canvas = new TestGLCanvas( frame, *m_canvas, -1,
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wxPoint(0, 0), wxSize(200, 200) );
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// Show the frame
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frame->Show(TRUE);
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}
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void MyFrame::OnDefRotateLeftKey()
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{
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CMenuKeyDialog dial( this, -1, m_canvas->m_rleft, wxString("Rotate left key"), "Define key" );
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int result = dial.ShowModal();
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if( result == wxID_OK )
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m_canvas->m_rleft = dial.GetValue();
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}
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void MyFrame::OnDefRotateRightKey()
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{
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CMenuKeyDialog dial( this, -1, m_canvas->m_rright, wxString("Rotate right key"), "Define key" );
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int result = dial.ShowModal();
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if( result == wxID_OK )
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m_canvas->m_rright = dial.GetValue();
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}
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IMPLEMENT_APP(MyApp)
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(wxID_EXIT, MyFrame::OnExit)
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EVT_MENU( ID_NEW_WINDOW, MyFrame::OnNewWindow)
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EVT_MENU( ID_DEF_ROTATE_LEFT_KEY, MyFrame::OnDefRotateLeftKey)
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EVT_MENU( ID_DEF_ROTATE_RIGHT_KEY, MyFrame::OnDefRotateRightKey)
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END_EVENT_TABLE()
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// My frame constructor
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MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
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const wxSize& size, long style):
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wxFrame(frame, -1, title, pos, size, style)
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{
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m_canvas = NULL;
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}
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// Intercept menu commands
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void MyFrame::OnExit(wxCommandEvent& event)
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{
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Destroy();
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}
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BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
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EVT_SIZE(TestGLCanvas::OnSize)
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EVT_PAINT(TestGLCanvas::OnPaint)
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EVT_ERASE_BACKGROUND(TestGLCanvas::OnEraseBackground)
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EVT_KEY_DOWN( TestGLCanvas::OnKeyDown )
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EVT_KEY_UP( TestGLCanvas::OnKeyUp )
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END_EVENT_TABLE()
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TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
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const wxPoint& pos, const wxSize& size, long style, const wxString& name):
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wxGLCanvas(parent, NULL, id, pos, size, style, name )
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{
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m_init = FALSE;
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m_gllist = 0;
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m_rleft = 0x13b;
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m_rright = 0x13d;
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}
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TestGLCanvas::TestGLCanvas(wxWindow *parent, const TestGLCanvas &other,
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wxWindowID id, const wxPoint& pos, const wxSize& size, long style,
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const wxString& name ) :
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wxGLCanvas(parent, other.GetContext(), id, pos, size, style, name )
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{
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m_init = FALSE;
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m_gllist = other.m_gllist; /* share display list */
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m_rleft = 0x13b;
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m_rright = 0x13d;
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// SetBackgroundColour( *wxGREEN );
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// virtual void SetBackgroundColour(const wxColour& colour)
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}
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TestGLCanvas::~TestGLCanvas(void)
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{
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}
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void TestGLCanvas::OnPaint( wxPaintEvent& event )
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{
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// This is a dummy, to avoid an endless succession of paint messages.
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// OnPaint handlers must always create a wxPaintDC.
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wxPaintDC dc(this);
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#ifndef __WXMOTIF__
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if (!GetContext()) return;
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#endif
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SetCurrent();
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/* init OpenGL once, but after SetCurrent */
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if (!m_init)
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{
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InitGL();
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m_init = TRUE;
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}
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/* clear color and depth buffers */
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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if( m_gllist == 0 )
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{
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m_gllist = glGenLists( 1 );
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printf( "List=%d\n", m_gllist );
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glNewList( m_gllist, GL_COMPILE_AND_EXECUTE );
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/* draw six faces of a cube */
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glBegin(GL_QUADS);
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glNormal3f( 0.0F, 0.0F, 1.0F);
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glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f(-0.5F, 0.5F, 0.5F);
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glVertex3f(-0.5F,-0.5F, 0.5F); glVertex3f( 0.5F,-0.5F, 0.5F);
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glNormal3f( 0.0F, 0.0F,-1.0F);
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glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f(-0.5F, 0.5F,-0.5F);
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glVertex3f( 0.5F, 0.5F,-0.5F); glVertex3f( 0.5F,-0.5F,-0.5F);
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glNormal3f( 0.0F, 1.0F, 0.0F);
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glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f( 0.5F, 0.5F,-0.5F);
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glVertex3f(-0.5F, 0.5F,-0.5F); glVertex3f(-0.5F, 0.5F, 0.5F);
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glNormal3f( 0.0F,-1.0F, 0.0F);
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glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f( 0.5F,-0.5F,-0.5F);
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glVertex3f( 0.5F,-0.5F, 0.5F); glVertex3f(-0.5F,-0.5F, 0.5F);
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glNormal3f( 1.0F, 0.0F, 0.0F);
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glVertex3f( 0.5F, 0.5F, 0.5F); glVertex3f( 0.5F,-0.5F, 0.5F);
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glVertex3f( 0.5F,-0.5F,-0.5F); glVertex3f( 0.5F, 0.5F,-0.5F);
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glNormal3f(-1.0F, 0.0F, 0.0F);
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glVertex3f(-0.5F,-0.5F,-0.5F); glVertex3f(-0.5F,-0.5F, 0.5F);
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glVertex3f(-0.5F, 0.5F, 0.5F); glVertex3f(-0.5F, 0.5F,-0.5F);
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glEnd();
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glEndList();
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}
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else
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glCallList( m_gllist );
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glFlush();
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SwapBuffers();
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}
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void TestGLCanvas::OnSize(wxSizeEvent& event)
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{
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int width, height;
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GetClientSize(& width, & height);
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#ifndef __WXMOTIF__
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if (GetContext())
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#endif
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{
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SetCurrent();
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glViewport(0, 0, width, height);
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}
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}
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void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)
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{
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// Do nothing, to avoid flashing.
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printf( "in erase background\n" );
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}
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void TestGLCanvas::InitGL(void)
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{
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SetCurrent();
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/* set viewing projection */
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glMatrixMode(GL_PROJECTION);
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glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F);
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/* position viewer */
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glMatrixMode(GL_MODELVIEW);
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glTranslatef(0.0F, 0.0F, -2.0F);
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/* position object */
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glRotatef(30.0F, 1.0F, 0.0F, 0.0F);
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glRotatef(30.0F, 0.0F, 1.0F, 0.0F);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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}
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void TestGLCanvas::OnKeyDown( wxKeyEvent& event )
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{
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if( event.KeyCode() == m_rleft ) Rotate( -5.0 );
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else if( event.KeyCode() == m_rright ) Rotate( 5.0 );
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#ifdef __WXDEBUG__
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wxLogTrace(wxTraceMessages, "[EVT_KEYDOWN]: Key = %04x, time = %d\n", event.KeyCode(),
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event.m_timeStamp );
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#endif // __WXDEBUG__
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}
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void TestGLCanvas::OnKeyUp( wxKeyEvent& event )
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{
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#ifdef __WXDEBUG__
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wxLogTrace(wxTraceMessages, "[EVT_KEYUP]: Key = %04x, time = %d\n", event.KeyCode(),
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event.m_timeStamp );
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#endif // __WXDEBUG__
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}
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void TestGLCanvas::Rotate( double deg )
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{
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SetCurrent();
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glMatrixMode(GL_MODELVIEW);
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glRotatef((GLfloat)deg, 0.0F, 0.0F, 1.0F);
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Refresh(FALSE);
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}
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