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Fixed Open Watcom compilation of OpenGL samples; Code cleanup.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24560 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2003-11-15 04:21:10 +00:00
parent 9c157f38e3
commit 5cf036d017
7 changed files with 601 additions and 518 deletions
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189
samples/opengl/cube/cube.cpp
View File

@@ -25,8 +25,6 @@
#include "wx/wx.h" #include "wx/wx.h"
#endif #endif
#include "wx/log.h"
#include "cube.h" #include "cube.h"
#ifndef __WXMSW__ // for wxStopWatch, see remark below #ifndef __WXMSW__ // for wxStopWatch, see remark below
@@ -53,12 +51,20 @@ class ScanCodeCtrl : public wxTextCtrl
public: public:
ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code, ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code,
const wxPoint& pos, const wxSize& size ); const wxPoint& pos, const wxSize& size );
void OnChar( wxKeyEvent& event ) { } /* do nothing */
void OnChar( wxKeyEvent& WXUNUSED(event) )
{
// Do nothing
}
void OnKeyDown(wxKeyEvent& event); void OnKeyDown(wxKeyEvent& event);
private: private:
// any class wishing to process wxWindows events must use this macro
// Any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
BEGIN_EVENT_TABLE( ScanCodeCtrl, wxTextCtrl ) BEGIN_EVENT_TABLE( ScanCodeCtrl, wxTextCtrl )
EVT_CHAR( ScanCodeCtrl::OnChar ) EVT_CHAR( ScanCodeCtrl::OnChar )
EVT_KEY_DOWN( ScanCodeCtrl::OnKeyDown ) EVT_KEY_DOWN( ScanCodeCtrl::OnKeyDown )
@@ -67,16 +73,13 @@ END_EVENT_TABLE()
ScanCodeCtrl::ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code, ScanCodeCtrl::ScanCodeCtrl( wxWindow* parent, wxWindowID id, int code,
const wxPoint& pos, const wxSize& size ) const wxPoint& pos, const wxSize& size )
: wxTextCtrl( parent, id, wxEmptyString, pos, size ) : wxTextCtrl( parent, id, wxEmptyString, pos, size )
{ wxString buf; {
buf.Printf( _T("0x%04x"), code ); SetValue( wxString::Format(wxT("0x%04x"), code) );
SetValue( buf );
} }
void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event ) void ScanCodeCtrl::OnKeyDown( wxKeyEvent& event )
{ {
wxString buf; SetValue( wxString::Format(wxT("0x%04x"), event.GetKeyCode()) );
buf.Printf( _T("0x%04x"), event.GetKeyCode() );
SetValue( buf );
} }
/*------------------------------------------------------------------ /*------------------------------------------------------------------
@@ -89,23 +92,25 @@ public:
ScanCodeDialog( wxWindow* parent, wxWindowID id, const int code, ScanCodeDialog( wxWindow* parent, wxWindowID id, const int code,
const wxString &descr, const wxString& title ); const wxString &descr, const wxString& title );
int GetValue(); int GetValue();
private: private:
ScanCodeCtrl *m_ScanCode; ScanCodeCtrl *m_ScanCode;
wxTextCtrl *m_Description; wxTextCtrl *m_Description;
}; };
ScanCodeDialog::ScanCodeDialog( wxWindow* parent, wxWindowID id, ScanCodeDialog::ScanCodeDialog( wxWindow* parent, wxWindowID id,
const int code, const wxString &descr, const wxString& title ) const int code, const wxString &descr, const wxString& title )
: wxDialog( parent, id, title, wxPoint(-1, -1), wxSize(96*2,76*2) ) : wxDialog( parent, id, title, wxDefaultPosition, wxSize(96*2,76*2) )
{ {
new wxStaticText( this, -1, _T("Scancode"), wxPoint(4*2,3*2), new wxStaticText( this, wxID_ANY, _T("Scancode"), wxPoint(4*2,3*2),
wxSize(31*2,12*2) ); wxSize(31*2,12*2) );
m_ScanCode = new ScanCodeCtrl( this, -1, code, wxPoint(37*2,6*2), m_ScanCode = new ScanCodeCtrl( this, wxID_ANY, code, wxPoint(37*2,6*2),
wxSize(53*2,14*2) ); wxSize(53*2,14*2) );
new wxStaticText( this, -1, _T("Description"), wxPoint(4*2,24*2), new wxStaticText( this, wxID_ANY, _T("Description"), wxPoint(4*2,24*2),
wxSize(32*2,12*2) ); wxSize(32*2,12*2) );
m_Description = new wxTextCtrl( this, -1, descr, wxPoint(37*2,27*2), m_Description = new wxTextCtrl( this, wxID_ANY, descr, wxPoint(37*2,27*2),
wxSize(53*2,14*2) ); wxSize(53*2,14*2) );
new wxButton( this, wxID_OK, _T("Ok"), wxPoint(20*2,50*2), wxSize(20*2,13*2) ); new wxButton( this, wxID_OK, _T("Ok"), wxPoint(20*2,50*2), wxSize(20*2,13*2) );
@@ -118,7 +123,7 @@ int ScanCodeDialog::GetValue()
int code; int code;
wxString buf = m_ScanCode->GetValue(); wxString buf = m_ScanCode->GetValue();
wxSscanf( buf.c_str(), _T("%i"), &code ); wxSscanf( buf.c_str(), _T("%i"), &code );
return( code ); return code;
} }
/*---------------------------------------------------------------------- /*----------------------------------------------------------------------
@@ -174,10 +179,10 @@ unsigned long TestGLCanvas::m_xsynct;
unsigned long TestGLCanvas::m_gsynct; unsigned long TestGLCanvas::m_gsynct;
TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id, TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size, long style, const wxString& name): const wxPoint& pos, const wxSize& size, long style, const wxString& name)
wxGLCanvas(parent, (wxGLCanvas*) NULL, id, pos, size, style, name ) : wxGLCanvas(parent, (wxGLCanvas*) NULL, id, pos, size, style, name )
{ {
m_init = FALSE; m_init = false;
m_gllist = 0; m_gllist = 0;
m_rleft = WXK_LEFT; m_rleft = WXK_LEFT;
m_rright = WXK_RIGHT; m_rright = WXK_RIGHT;
@@ -185,11 +190,11 @@ TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
TestGLCanvas::TestGLCanvas(wxWindow *parent, const TestGLCanvas &other, TestGLCanvas::TestGLCanvas(wxWindow *parent, const TestGLCanvas &other,
wxWindowID id, const wxPoint& pos, const wxSize& size, long style, wxWindowID id, const wxPoint& pos, const wxSize& size, long style,
const wxString& name ) : const wxString& name )
wxGLCanvas(parent, other.GetContext(), id, pos, size, style, name ) : wxGLCanvas(parent, other.GetContext(), id, pos, size, style, name)
{ {
m_init = FALSE; m_init = false;
m_gllist = other.m_gllist; /* share display list */ m_gllist = other.m_gllist; // share display list
m_rleft = WXK_LEFT; m_rleft = WXK_LEFT;
m_rright = WXK_RIGHT; m_rright = WXK_RIGHT;
} }
@@ -207,16 +212,16 @@ void TestGLCanvas::Render()
#endif #endif
SetCurrent(); SetCurrent();
/* init OpenGL once, but after SetCurrent */ // Init OpenGL once, but after SetCurrent
if (!m_init) if (!m_init)
{ {
InitGL(); InitGL();
m_init = TRUE; m_init = true;
} }
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glLoadIdentity(); glLoadIdentity();
glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F); glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f);
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
/* clear color and depth buffers */ /* clear color and depth buffers */
@@ -228,35 +233,37 @@ void TestGLCanvas::Render()
glNewList( m_gllist, GL_COMPILE_AND_EXECUTE ); glNewList( m_gllist, GL_COMPILE_AND_EXECUTE );
/* draw six faces of a cube */ /* draw six faces of a cube */
glBegin(GL_QUADS); glBegin(GL_QUADS);
glNormal3f( 0.0F, 0.0F, 1.0F); 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);
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); 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);
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); 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);
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); 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);
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); 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);
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); 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);
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(); glEnd();
glEndList(); glEndList();
} }
else else
{
glCallList(m_gllist); glCallList(m_gllist);
}
glFlush(); glFlush();
SwapBuffers(); SwapBuffers();
@@ -300,15 +307,15 @@ void TestGLCanvas::InitGL()
/* set viewing projection */ /* set viewing projection */
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glFrustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F); glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f);
/* position viewer */ /* position viewer */
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glTranslatef(0.0F, 0.0F, -2.0F); glTranslatef(0.0f, 0.0f, -2.0f);
/* position object */ /* position object */
glRotatef(30.0F, 1.0F, 0.0F, 0.0F); glRotatef(30.0f, 1.0f, 0.0f, 0.0f);
glRotatef(30.0F, 0.0F, 1.0F, 0.0F); glRotatef(30.0f, 0.0f, 1.0f, 0.0f);
glEnable(GL_DEPTH_TEST); glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING); glEnable(GL_LIGHTING);
@@ -409,8 +416,8 @@ void TestGLCanvas::Rotate( GLfloat deg )
SetCurrent(); SetCurrent();
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glRotatef((GLfloat)deg, 0.0F, 0.0F, 1.0F); glRotatef((GLfloat)deg, 0.0f, 0.0f, 1.0f);
Refresh(FALSE); Refresh(false);
} }
@@ -428,9 +435,9 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
END_EVENT_TABLE() END_EVENT_TABLE()
// My frame constructor // My frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, MyFrame::MyFrame(wxWindow *parent, const wxString& title, const wxPoint& pos,
const wxSize& size, long style) const wxSize& size, long style)
: wxFrame(frame, -1, title, pos, size, style) : wxFrame(parent, wxID_ANY, title, pos, size, style)
{ {
m_canvas = NULL; m_canvas = NULL;
} }
@@ -438,13 +445,18 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
// Intercept menu commands // Intercept menu commands
void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) ) void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) )
{ {
Destroy(); // true is to force the frame to close
Close(true);
} }
void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event)) /*static*/ MyFrame *MyFrame::Create(MyFrame *parentFrame, bool isCloneWindow)
{ {
MyFrame *frame = new MyFrame(NULL, _T("Cube OpenGL Demo Clone"), wxString str = wxT("wxWindows OpenGL Cube Sample");
wxPoint(50, 50), wxSize(400, 300)); if (isCloneWindow) str += wxT(" - Clone");
MyFrame *frame = new MyFrame(NULL, str, wxDefaultPosition,
wxSize(400, 300));
// Give it an icon // Give it an icon
#ifdef __WXMSW__ #ifdef __WXMSW__
frame->SetIcon(wxIcon(_T("mondrian"))); frame->SetIcon(wxIcon(_T("mondrian")));
@@ -466,20 +478,37 @@ void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event))
frame->SetMenuBar(menuBar); frame->SetMenuBar(menuBar);
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
frame->m_canvas = new TestGLCanvas( frame, *m_canvas, -1, if (parentFrame)
{
frame->m_canvas = new TestGLCanvas( frame, parentFrame->m_canvas,
wxID_ANY, wxDefaultPosition, wxDefaultSize );
}
else
{
frame->m_canvas = new TestGLCanvas(frame, wxID_ANY,
wxDefaultPosition, wxDefaultSize); wxDefaultPosition, wxDefaultSize);
}
#endif #endif
// Show the frame // Show the frame
frame->Show(TRUE); frame->Show(true);
return frame;
}
void MyFrame::OnNewWindow( wxCommandEvent& WXUNUSED(event) )
{
(void) Create(this, true);
} }
void MyFrame::OnDefRotateLeftKey( wxCommandEvent& WXUNUSED(event) ) void MyFrame::OnDefRotateLeftKey( wxCommandEvent& WXUNUSED(event) )
{ {
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
ScanCodeDialog dial( this, -1, m_canvas->m_rleft, ScanCodeDialog dial( this, wxID_ANY, m_canvas->m_rleft,
wxString(_T("Left")), _T("Define key") ); wxString(_T("Left")), _T("Define key") );
int result = dial.ShowModal(); int result = dial.ShowModal();
if( result == wxID_OK ) if( result == wxID_OK )
m_canvas->m_rleft = dial.GetValue(); m_canvas->m_rleft = dial.GetValue();
#endif #endif
@@ -488,9 +517,11 @@ void MyFrame::OnDefRotateLeftKey(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnDefRotateRightKey( wxCommandEvent& WXUNUSED(event) ) void MyFrame::OnDefRotateRightKey( wxCommandEvent& WXUNUSED(event) )
{ {
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
ScanCodeDialog dial( this, -1, m_canvas->m_rright, ScanCodeDialog dial( this, wxID_ANY, m_canvas->m_rright,
wxString(_T("Right")), _T("Define key") ); wxString(_T("Right")), _T("Define key") );
int result = dial.ShowModal(); int result = dial.ShowModal();
if( result == wxID_OK ) if( result == wxID_OK )
m_canvas->m_rright = dial.GetValue(); m_canvas->m_rright = dial.GetValue();
#endif #endif
@@ -502,47 +533,25 @@ void MyFrame::OnDefRotateRightKey(wxCommandEvent& WXUNUSED(event))
IMPLEMENT_APP(MyApp) IMPLEMENT_APP(MyApp)
bool MyApp::OnInit(void) bool MyApp::OnInit()
{ {
#if wxUSE_LOG
wxLog::SetTraceMask(wxTraceMessages); wxLog::SetTraceMask(wxTraceMessages);
// Create the main frame window
MyFrame *frame = new MyFrame(NULL, _T("Cube OpenGL Demo"), wxPoint(50, 50),
wxSize(400, 300));
// Give it an icon
#ifdef wx_msw
frame->SetIcon(wxIcon("mondrian"));
#endif #endif
// Make a menubar // Create the main frame window
wxMenu *winMenu = new wxMenu; (void) MyFrame::Create(NULL);
winMenu->Append(wxID_EXIT, _T("&Close"));
winMenu->Append(ID_NEW_WINDOW, _T("&New") );
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(winMenu, _T("&Window"));
winMenu = new wxMenu;
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 #if wxUSE_GLCANVAS
frame->m_canvas = new TestGLCanvas(frame, -1, wxDefaultPosition, wxDefaultSize); return true;
// Show the frame
frame->Show(TRUE);
return TRUE;
#else #else
wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK); wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"),
_T("Building error"), wxOK);
return FALSE; return false;
#endif #endif

31
samples/opengl/cube/cube.h
View File

@@ -18,23 +18,28 @@
class MyApp: public wxApp class MyApp: public wxApp
{ {
public: public:
bool OnInit(void); bool OnInit();
}; };
// Define a new frame type // Define a new frame type
class TestGLCanvas; class TestGLCanvas;
class MyFrame: public wxFrame class MyFrame: public wxFrame
{ {
public: public:
MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, static MyFrame *Create(MyFrame *parentFrame, bool isCloneWindow = false);
const wxSize& size, long style = wxDEFAULT_FRAME_STYLE);
void OnExit(wxCommandEvent& event); void OnExit(wxCommandEvent& event);
void OnNewWindow(wxCommandEvent& event); void OnNewWindow(wxCommandEvent& event);
void OnDefRotateLeftKey(wxCommandEvent& event); void OnDefRotateLeftKey(wxCommandEvent& event);
void OnDefRotateRightKey(wxCommandEvent& event); void OnDefRotateRightKey(wxCommandEvent& event);
public: private:
MyFrame(wxWindow *parent, const wxString& title, const wxPoint& pos,
const wxSize& size, long style = wxDEFAULT_FRAME_STYLE);
TestGLCanvas *m_canvas; TestGLCanvas *m_canvas;
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
@@ -46,15 +51,17 @@ class TestGLCanvas: public wxGLCanvas
{ {
friend class MyFrame; friend class MyFrame;
public: public:
TestGLCanvas(wxWindow *parent, const wxWindowID id = -1, TestGLCanvas( wxWindow *parent, wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0, const wxString& name = _T("TestGLCanvas") ); long style = 0, const wxString& name = _T("TestGLCanvas") );
TestGLCanvas( wxWindow *parent, const TestGLCanvas &other, TestGLCanvas( wxWindow *parent, const TestGLCanvas &other,
const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0, const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = _T("TestGLCanvas") ); const wxString& name = _T("TestGLCanvas") );
~TestGLCanvas(void); ~TestGLCanvas();
void OnPaint(wxPaintEvent& event); void OnPaint(wxPaintEvent& event);
void OnSize(wxSizeEvent& event); void OnSize(wxSizeEvent& event);
@@ -63,8 +70,8 @@ public:
void OnKeyUp(wxKeyEvent& event); void OnKeyUp(wxKeyEvent& event);
void OnEnterWindow(wxMouseEvent& event); void OnEnterWindow(wxMouseEvent& event);
void Render( void ); void Render();
void InitGL(void); void InitGL();
void Rotate(GLfloat deg); void Rotate(GLfloat deg);
static GLfloat CalcRotateSpeed(unsigned long acceltime); static GLfloat CalcRotateSpeed(unsigned long acceltime);
static GLfloat CalcRotateAngle( unsigned long lasttime, static GLfloat CalcRotateAngle( unsigned long lasttime,
@@ -91,7 +98,7 @@ private:
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
#endif #endif // #if wxUSE_GLCANVAS
#endif #endif // #ifndef _WX_CUBE_H_

182
samples/opengl/isosurf/isosurf.cpp
View File

@@ -72,60 +72,63 @@ static GLfloat xrot;
static GLfloat yrot; static GLfloat yrot;
static void read_surface( wxChar *filename ) static void read_surface( const wxChar *filename )
{ {
FILE *f; FILE *f = wxFopen(filename,_T("r"));
if (!f)
f = wxFopen(filename,_T("r")); {
if (!f) { wxString msg = _T("Couldn't read ");
wxString msg(_T("Couldn't read "));
msg += filename; msg += filename;
wxMessageBox(msg); wxMessageBox(msg);
return; return;
} }
numverts = 0; numverts = 0;
while (!feof(f) && numverts<MAXVERTS) { while (!feof(f) && numverts<MAXVERTS)
{
fscanf( f, "%f %f %f %f %f %f", fscanf( f, "%f %f %f %f %f %f",
&verts[numverts][0], &verts[numverts][1], &verts[numverts][2], &verts[numverts][0], &verts[numverts][1], &verts[numverts][2],
&norms[numverts][0], &norms[numverts][1], &norms[numverts][2] ); &norms[numverts][0], &norms[numverts][1], &norms[numverts][2] );
numverts++; numverts++;
} }
numverts--; numverts--;
wxPrintf(_T("%d vertices, %d triangles\n"), numverts, numverts-2); wxPrintf(_T("%d vertices, %d triangles\n"), numverts, numverts-2);
fclose(f); fclose(f);
} }
static void draw_surface( void ) static void draw_surface()
{ {
GLint i; GLint i;
#ifdef GL_EXT_vertex_array #ifdef GL_EXT_vertex_array
if (use_vertex_arrays) { if (use_vertex_arrays)
{
glDrawArraysEXT( GL_TRIANGLE_STRIP, 0, numverts ); glDrawArraysEXT( GL_TRIANGLE_STRIP, 0, numverts );
} }
else { else
#endif #endif
{
glBegin( GL_TRIANGLE_STRIP ); glBegin( GL_TRIANGLE_STRIP );
for (i=0;i<numverts;i++) { for (i=0;i<numverts;i++)
{
glNormal3fv( norms[i] ); glNormal3fv( norms[i] );
glVertex3fv( verts[i] ); glVertex3fv( verts[i] );
} }
glEnd(); glEnd();
#ifdef GL_EXT_vertex_array
} }
#endif
} }
static void draw1(void) static void draw1()
{ {
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glPushMatrix(); glPushMatrix();
glRotatef( yrot, 0.0, 1.0, 0.0 ); glRotatef( yrot, 0.0f, 1.0f, 0.0f );
glRotatef( xrot, 1.0, 0.0, 0.0 ); glRotatef( xrot, 1.0f, 0.0f, 0.0f );
draw_surface(); draw_surface();
@@ -135,22 +138,22 @@ static void draw1(void)
} }
static void InitMaterials(void) static void InitMaterials()
{ {
static float ambient[] = {0.1, 0.1, 0.1, 1.0}; static const GLfloat ambient[4] = {0.1f, 0.1f, 0.1f, 1.0f};
static float diffuse[] = {0.5, 1.0, 1.0, 1.0}; static const GLfloat diffuse[4] = {0.5f, 1.0f, 1.0f, 1.0f};
static float position0[] = {0.0, 0.0, 20.0, 0.0}; static const GLfloat position0[4] = {0.0f, 0.0f, 20.0f, 0.0f};
static float position1[] = {0.0, 0.0, -20.0, 0.0}; static const GLfloat position1[4] = {0.0f, 0.0f, -20.0f, 0.0f};
static float front_mat_shininess[] = {60.0}; static const GLfloat front_mat_shininess[1] = {60.0f};
static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0}; static const GLfloat front_mat_specular[4] = {0.2f, 0.2f, 0.2f, 1.0f};
static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0}; static const GLfloat front_mat_diffuse[4] = {0.5f, 0.28f, 0.38f, 1.0f};
/* /*
static float back_mat_shininess[] = {60.0}; static const GLfloat back_mat_shininess[1] = {60.0f};
static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0}; static const GLfloat back_mat_specular[4] = {0.5f, 0.5f, 0.2f, 1.0f};
static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0}; static const GLfloat back_mat_diffuse[4] = {1.0f, 1.0f, 0.2f, 1.0f};
*/ */
static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0}; static const GLfloat lmodel_ambient[4] = {1.0f, 1.0f, 1.0f, 1.0f};
static float lmodel_twoside[] = {GL_FALSE}; static const GLfloat lmodel_twoside[1] = {GL_FALSE};
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse); glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
@@ -174,7 +177,7 @@ static void InitMaterials(void)
static void Init(void) static void Init(void)
{ {
glClearColor(0.0, 0.0, 0.0, 0.0); glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glShadeModel(GL_SMOOTH); glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST); glEnable(GL_DEPTH_TEST);
@@ -183,14 +186,15 @@ static void Init(void)
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glLoadIdentity(); glLoadIdentity();
glFrustum( -1.0, 1.0, -1.0, 1.0, 5, 25 ); glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glTranslatef( 0.0, 0.0, -6.0 ); glTranslatef( 0.0, 0.0, -6.0 );
#ifdef GL_EXT_vertex_array #ifdef GL_EXT_vertex_array
if (use_vertex_arrays) { if (use_vertex_arrays)
{
glVertexPointerEXT( 3, GL_FLOAT, 0, numverts, verts ); glVertexPointerEXT( 3, GL_FLOAT, 0, numverts, verts );
glNormalPointerEXT( GL_FLOAT, 0, numverts, norms ); glNormalPointerEXT( GL_FLOAT, 0, numverts, norms );
glEnable( GL_VERTEX_ARRAY_EXT ); glEnable( GL_VERTEX_ARRAY_EXT );
@@ -203,22 +207,28 @@ static GLenum Args(int argc, wxChar **argv)
{ {
GLint i; GLint i;
for (i = 1; i < argc; i++) { for (i = 1; i < argc; i++)
if (wxStrcmp(argv[i], _T("-sb")) == 0) { {
if (wxStrcmp(argv[i], _T("-sb")) == 0)
{
doubleBuffer = GL_FALSE; doubleBuffer = GL_FALSE;
} }
else if (wxStrcmp(argv[i], _T("-db")) == 0) { else if (wxStrcmp(argv[i], _T("-db")) == 0)
{
doubleBuffer = GL_TRUE; doubleBuffer = GL_TRUE;
} }
else if (wxStrcmp(argv[i], _T("-speed")) == 0) { else if (wxStrcmp(argv[i], _T("-speed")) == 0)
{
speed_test = GL_TRUE; speed_test = GL_TRUE;
doubleBuffer = GL_TRUE; doubleBuffer = GL_TRUE;
} }
else if (wxStrcmp(argv[i], _T("-va")) == 0) { else if (wxStrcmp(argv[i], _T("-va")) == 0)
{
use_vertex_arrays = GL_TRUE; use_vertex_arrays = GL_TRUE;
} }
else { else
wxString msg(_T("Bad option: ")); {
wxString msg = _T("Bad option: ");
msg += argv[i]; msg += argv[i];
wxMessageBox(msg); wxMessageBox(msg);
return GL_FALSE; return GL_FALSE;
@@ -234,12 +244,13 @@ MyFrame *frame = NULL;
IMPLEMENT_APP(MyApp) IMPLEMENT_APP(MyApp)
// `Main program' equivalent, creating windows and returning main app frame // `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit(void) bool MyApp::OnInit()
{ {
Args(argc, argv); Args(argc, argv);
// Create the main frame window // Create the main frame window
frame = new MyFrame(NULL, _T("Isosurf GL Sample"), wxPoint(50, 50), wxSize(200, 200)); frame = new MyFrame(NULL, wxT("wxWindows OpenGL Isosurf Sample"),
wxDefaultPosition, wxDefaultSize);
// Give it an icon // Give it an icon
frame->SetIcon(wxIcon(_T("mondrian"))); frame->SetIcon(wxIcon(_T("mondrian")));
@@ -279,24 +290,24 @@ bool MyApp::OnInit(void)
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
frame->m_canvas = new TestGLCanvas(frame, -1, wxDefaultPosition, wxDefaultSize, frame->m_canvas = new TestGLCanvas(frame, wxID_ANY, wxDefaultPosition,
0, _T("TestGLCanvas"), gl_attrib ); wxDefaultSize, 0, _T("TestGLCanvas"), gl_attrib );
// Show the frame // Show the frame
frame->Show(TRUE); frame->Show(true);
frame->m_canvas->SetCurrent(); frame->m_canvas->SetCurrent();
read_surface( _T("isosurf.dat") ); read_surface( _T("isosurf.dat") );
Init(); Init();
return TRUE; return true;
#else #else
wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK); wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK);
return FALSE; return false;
#endif #endif
} }
@@ -306,18 +317,29 @@ END_EVENT_TABLE()
// My frame constructor // My frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
const wxSize& size, long style): const wxSize& size, long style)
wxFrame(frame, -1, title, pos, size, style) : wxFrame(frame, wxID_ANY, title, pos, size, style)
{ {
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
m_canvas = NULL; m_canvas = NULL;
#endif #endif
} }
MyFrame::~MyFrame()
{
#if wxUSE_GLCANVAS
if (m_canvas)
{
delete m_canvas; m_canvas = NULL;
}
#endif
}
// Intercept menu commands // Intercept menu commands
void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) ) void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) )
{ {
Destroy(); // true is to force the frame to close
Close(true);
} }
/* /*
@@ -335,21 +357,23 @@ BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
END_EVENT_TABLE() END_EVENT_TABLE()
TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id, TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size, long style, const wxString& name, int* gl_attrib): const wxPoint& pos, const wxSize& size, long style,
wxGLCanvas(parent, id, pos, size, style, name, gl_attrib) const wxString& name, int* gl_attrib)
: wxGLCanvas(parent, id, pos, size, style, name, gl_attrib)
{ {
parent->Show(TRUE); parent->Show(true);
SetCurrent(); SetCurrent();
/* Make sure server supports the vertex array extension */ /* Make sure server supports the vertex array extension */
char* extensions = (char *) glGetString( GL_EXTENSIONS ); char* extensions = (char *) glGetString( GL_EXTENSIONS );
if (!extensions || !strstr( extensions, "GL_EXT_vertex_array" )) { if (!extensions || !strstr( extensions, "GL_EXT_vertex_array" ))
{
use_vertex_arrays = GL_FALSE; use_vertex_arrays = GL_FALSE;
} }
} }
TestGLCanvas::~TestGLCanvas(void) TestGLCanvas::~TestGLCanvas()
{ {
} }
@@ -388,45 +412,58 @@ void TestGLCanvas::OnSize(wxSizeEvent& event)
void TestGLCanvas::OnChar(wxKeyEvent& event) void TestGLCanvas::OnChar(wxKeyEvent& event)
{ {
switch(event.GetKeyCode()) { switch( event.GetKeyCode() )
{
case WXK_ESCAPE: case WXK_ESCAPE:
exit(0); wxTheApp->ExitMainLoop();
return;
case WXK_LEFT: case WXK_LEFT:
yrot -= 15.0; yrot -= 15.0;
break; break;
case WXK_RIGHT: case WXK_RIGHT:
yrot += 15.0; yrot += 15.0;
break; break;
case WXK_UP: case WXK_UP:
xrot += 15.0; xrot += 15.0;
break; break;
case WXK_DOWN: case WXK_DOWN:
xrot -= 15.0; xrot -= 15.0;
break; break;
case 's': case 'S': case 's': case 'S':
smooth = !smooth; smooth = !smooth;
if (smooth) { if (smooth)
{
glShadeModel(GL_SMOOTH); glShadeModel(GL_SMOOTH);
} else { }
else
{
glShadeModel(GL_FLAT); glShadeModel(GL_FLAT);
} }
break; break;
case 'l': case 'L': case 'l': case 'L':
lighting = !lighting; lighting = !lighting;
if (lighting) { if (lighting)
{
glEnable(GL_LIGHTING); glEnable(GL_LIGHTING);
} else { }
else
{
glDisable(GL_LIGHTING); glDisable(GL_LIGHTING);
} }
break; break;
default: default:
{
event.Skip(); event.Skip();
return; return;
} }
}
Refresh(FALSE); Refresh(false);
} }
void TestGLCanvas::OnMouseEvent(wxMouseEvent& event) void TestGLCanvas::OnMouseEvent(wxMouseEvent& event)
@@ -435,18 +472,24 @@ void TestGLCanvas::OnMouseEvent(wxMouseEvent& event)
static float last_x, last_y; static float last_x, last_y;
//printf("%f %f %d\n", event.GetX(), event.GetY(), (int)event.LeftIsDown()); //printf("%f %f %d\n", event.GetX(), event.GetY(), (int)event.LeftIsDown());
if(event.LeftIsDown()) { if(event.LeftIsDown())
if(!dragging) { {
if(!dragging)
{
dragging = 1; dragging = 1;
} else { }
else
{
yrot += (event.GetX() - last_x)*1.0; yrot += (event.GetX() - last_x)*1.0;
xrot += (event.GetY() - last_y)*1.0; xrot += (event.GetY() - last_y)*1.0;
Refresh(FALSE); Refresh(false);
} }
last_x = event.GetX(); last_x = event.GetX();
last_y = event.GetY(); last_y = event.GetY();
} else }
else
dragging = 0; dragging = 0;
} }
void TestGLCanvas::OnEraseBackground( wxEraseEvent& WXUNUSED(event) ) void TestGLCanvas::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
@@ -454,4 +497,5 @@ void TestGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
// Do nothing, to avoid flashing. // Do nothing, to avoid flashing.
} }
#endif #endif // #if wxUSE_GLCANVAS

34
samples/opengl/isosurf/isosurf.h
View File

@@ -14,18 +14,22 @@
// Define a new application type // Define a new application type
class MyApp: public wxApp class MyApp: public wxApp
{ public: {
bool OnInit(void); public:
bool OnInit();
}; };
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
class TestGLCanvas: public wxGLCanvas class TestGLCanvas: public wxGLCanvas
{ {
public: public:
TestGLCanvas(wxWindow *parent, const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, TestGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY,
const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = _T("TestGLCanvas"), const wxPoint& pos = wxDefaultPosition,
int* gl_attrib = NULL); const wxSize& size = wxDefaultSize, long style = 0,
~TestGLCanvas(void); const wxString& name = _T("TestGLCanvas"), int *gl_attrib = NULL);
~TestGLCanvas();
void OnPaint(wxPaintEvent& event); void OnPaint(wxPaintEvent& event);
void OnSize(wxSizeEvent& event); void OnSize(wxSizeEvent& event);
@@ -35,22 +39,28 @@ class TestGLCanvas: public wxGLCanvas
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
#endif
#endif // #if wxUSE_GLCANVAS
class MyFrame: public wxFrame class MyFrame: public wxFrame
{ {
public: public:
MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
long style = wxDEFAULT_FRAME_STYLE); const wxSize& size, long style = wxDEFAULT_FRAME_STYLE);
virtual ~MyFrame();
void OnExit(wxCommandEvent& event);
public:
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
TestGLCanvas *m_canvas; TestGLCanvas *m_canvas;
#endif #endif
private :
void OnExit(wxCommandEvent& event);
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
#endif #endif // #ifndef _WX_ISOSURF_H_

14
samples/opengl/penguin/lw.cpp
View File

@@ -253,14 +253,9 @@ int lw_is_lwobject(const char *lw_file)
lwObject *lw_object_read(const char *lw_file) lwObject *lw_object_read(const char *lw_file)
{ {
FILE *f = NULL;
lwObject *lw_object = NULL;
wxInt32 form_bytes = 0;
wxInt32 read_bytes = 0;
/* open file */ /* open file */
f = fopen(lw_file, "rb"); FILE *f = fopen(lw_file, "rb");
if (f == NULL) { if (f == NULL) {
return NULL; return NULL;
} }
@@ -270,7 +265,10 @@ lwObject *lw_object_read(const char *lw_file)
fclose(f); fclose(f);
return NULL; return NULL;
} }
form_bytes = read_long(f);
wxInt32 read_bytes = 0;
wxInt32 form_bytes = read_long(f);
read_bytes += 4; read_bytes += 4;
if (read_long(f) != ID_LWOB) { if (read_long(f) != ID_LWOB) {
@@ -279,7 +277,7 @@ lwObject *lw_object_read(const char *lw_file)
} }
/* create new lwObject */ /* create new lwObject */
lw_object = (lwObject*) calloc(sizeof(lwObject),1); lwObject *lw_object = (lwObject*) calloc(sizeof(lwObject),1);
/* read chunks */ /* read chunks */
while (read_bytes < form_bytes) { while (read_bytes < form_bytes) {

91
samples/opengl/penguin/penguin.cpp
View File

@@ -38,12 +38,13 @@
#define VIEW_ASPECT 1.3 #define VIEW_ASPECT 1.3
/* `Main program' equivalent, creating windows and returning main app frame */ // `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit() bool MyApp::OnInit()
{ {
/* Create the main frame window */ // Create the main frame window
MyFrame *frame = new MyFrame(NULL, wxT("wxWindows OpenGL Demo"), wxPoint(50, 50), wxSize(400, 300)); MyFrame *frame = new MyFrame(NULL, wxT("wxWindows OpenGL Penguin Sample"),
wxDefaultPosition, wxDefaultSize);
/* Make a menubar */ /* Make a menubar */
wxMenu *fileMenu = new wxMenu; wxMenu *fileMenu = new wxMenu;
@@ -54,20 +55,22 @@ bool MyApp::OnInit()
frame->SetMenuBar(menuBar); frame->SetMenuBar(menuBar);
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
frame->SetCanvas( new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200), wxSUNKEN_BORDER) ); frame->SetCanvas( new TestGLCanvas(frame, wxID_ANY, wxDefaultPosition,
wxSize(200, 200), wxSUNKEN_BORDER) );
/* Load file wiht mesh data */ /* Load file wiht mesh data */
frame->GetCanvas()->LoadLWO( wxT("penguin.lwo") ); frame->GetCanvas()->LoadLWO( wxT("penguin.lwo") );
/* Show the frame */ /* Show the frame */
frame->Show(TRUE); frame->Show(true);
return TRUE; return true;
#else #else
wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"), _T("Building error"), wxOK); wxMessageBox( _T("This sample has to be compiled with wxUSE_GLCANVAS"),
_T("Building error"), wxOK);
return FALSE; return false;
#endif #endif
} }
@@ -80,8 +83,8 @@ END_EVENT_TABLE()
/* My frame constructor */ /* My frame constructor */
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
const wxSize& size, long style): const wxSize& size, long style)
wxFrame(frame, -1, title, pos, size, style) : wxFrame(frame, wxID_ANY, title, pos, size, style)
{ {
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
m_canvas = NULL; m_canvas = NULL;
@@ -91,7 +94,8 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
/* Intercept menu commands */ /* Intercept menu commands */
void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) ) void MyFrame::OnExit( wxCommandEvent& WXUNUSED(event) )
{ {
Destroy(); // true is to force the frame to close
Close(true);
} }
#if wxUSE_GLCANVAS #if wxUSE_GLCANVAS
@@ -104,13 +108,13 @@ BEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas)
END_EVENT_TABLE() END_EVENT_TABLE()
TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id, TestGLCanvas::TestGLCanvas(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size, long style, const wxString& name): const wxPoint& pos, const wxSize& size, long style, const wxString& name)
wxGLCanvas(parent, id, pos, size, style, name) : wxGLCanvas(parent, id, pos, size, style, name)
{ {
block = FALSE; block = false;
} }
TestGLCanvas::~TestGLCanvas(void) TestGLCanvas::~TestGLCanvas()
{ {
/* destroy mesh */ /* destroy mesh */
lw_object_free(info.lwobject); lw_object_free(info.lwobject);
@@ -127,37 +131,37 @@ void TestGLCanvas::OnPaint( wxPaintEvent& WXUNUSED(event) )
SetCurrent(); SetCurrent();
/* initialize OpenGL */ // Initialize OpenGL
if (info.do_init == TRUE) if (info.do_init)
{ {
InitGL(); InitGL();
info.do_init = FALSE; info.do_init = false;
} }
/* view */ // View
glMatrixMode( GL_PROJECTION ); glMatrixMode( GL_PROJECTION );
glLoadIdentity(); glLoadIdentity();
gluPerspective( info.zoom, VIEW_ASPECT, 1, 100 ); gluPerspective( info.zoom, VIEW_ASPECT, 1.0, 100.0 );
glMatrixMode( GL_MODELVIEW ); glMatrixMode( GL_MODELVIEW );
/* clear */ // Clear
glClearColor( .3, .4, .6, 1 ); glClearColor( 0.3f, 0.4f, 0.6f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
/* transformations */ // Transformations
GLfloat m[4][4]; GLfloat m[4][4];
glLoadIdentity(); glLoadIdentity();
glTranslatef( 0, 0, -30 ); glTranslatef( 0.0f, 0.0f, -30.0f );
build_rotmatrix( m,info.quat ); build_rotmatrix( m,info.quat );
glMultMatrixf( &m[0][0] ); glMultMatrixf( &m[0][0] );
/* draw object */ // Draw object
lw_object_show( info.lwobject ); lw_object_show( info.lwobject );
/* flush */ // Flush
glFlush(); glFlush();
/* swap */ // Swap
SwapBuffers(); SwapBuffers();
} }
@@ -195,19 +199,21 @@ void TestGLCanvas::LoadLWO(const wxString &filename)
lw_object_scale(lwobject, 10.0 / lw_object_radius(lwobject)); lw_object_scale(lwobject, 10.0 / lw_object_radius(lwobject));
/* set up mesh info */ /* set up mesh info */
info.do_init = TRUE; info.do_init = true;
info.lwobject = lwobject; info.lwobject = lwobject;
info.beginx = 0; info.beginx = 0.0f;
info.beginy = 0; info.beginy = 0.0f;
info.zoom = 45; info.zoom = 45.0f;
trackball( info.quat, 0.0, 0.0, 0.0, 0.0 ); trackball( info.quat, 0.0f, 0.0f, 0.0f, 0.0f );
} }
void TestGLCanvas::OnMouse( wxMouseEvent& event ) void TestGLCanvas::OnMouse( wxMouseEvent& event )
{ {
wxSize sz(GetClientSize());
if ( event.Dragging() ) if ( event.Dragging() )
{ {
wxSize sz( GetClientSize() );
/* drag in progress, simulate trackball */ /* drag in progress, simulate trackball */
float spin_quat[4]; float spin_quat[4];
trackball(spin_quat, trackball(spin_quat,
@@ -219,19 +225,24 @@ void TestGLCanvas::OnMouse( wxMouseEvent& event )
add_quats( spin_quat, info.quat, info.quat ); add_quats( spin_quat, info.quat, info.quat );
/* orientation has changed, redraw mesh */ /* orientation has changed, redraw mesh */
Refresh(FALSE); Refresh(false);
} }
info.beginx = event.GetX(); info.beginx = event.GetX();
info.beginy = event.GetY(); info.beginy = event.GetY();
} }
void TestGLCanvas::InitGL(void) void TestGLCanvas::InitGL()
{ {
GLfloat light0_pos[4] = { -50.0, 50.0, 0.0, 0.0 }; static const GLfloat light0_pos[4] = { -50.0f, 50.0f, 0.0f, 0.0f };
GLfloat light0_color[4] = { .6, .6, .6, 1.0 }; /* white light */
GLfloat light1_pos[4] = { 50.0, 50.0, 0.0, 0.0 }; // white light
GLfloat light1_color[4] = { .4, .4, 1, 1.0 }; /* cold blue light */ static const GLfloat light0_color[4] = { 0.6f, 0.6f, 0.6f, 1.0f };
static const GLfloat light1_pos[4] = { 50.0f, 50.0f, 0.0f, 0.0f };
// cold blue light
static const GLfloat light1_color[4] = { 0.4f, 0.4f, 1.0f, 1.0f };
/* remove back faces */ /* remove back faces */
glDisable(GL_CULL_FACE); glDisable(GL_CULL_FACE);
@@ -257,4 +268,4 @@ void TestGLCanvas::InitGL(void)
} }
#endif #endif // #if wxUSE_GLCANVAS

26
samples/opengl/penguin/penguin.h
View File

@@ -20,7 +20,8 @@
#include "wx/glcanvas.h" #include "wx/glcanvas.h"
extern "C" { extern "C"
{
#include "lw.h" #include "lw.h"
#include "trackball.h" #include "trackball.h"
} }
@@ -29,7 +30,7 @@ extern "C" {
typedef struct typedef struct
{ {
// gint do_init; /* true if initgl not yet called */ // gint do_init; /* true if initgl not yet called */
int do_init; bool do_init;
lwObject *lwobject; /* lightwave object mesh */ lwObject *lwobject; /* lightwave object mesh */
float beginx,beginy; /* position of mouse */ float beginx,beginy; /* position of mouse */
float quat[4]; /* orientation of object */ float quat[4]; /* orientation of object */
@@ -41,7 +42,7 @@ typedef struct
class MyApp: public wxApp class MyApp: public wxApp
{ {
public: public:
bool OnInit(void); bool OnInit();
}; };
/* Define a new frame type */ /* Define a new frame type */
@@ -50,8 +51,8 @@ class TestGLCanvas;
class MyFrame: public wxFrame class MyFrame: public wxFrame
{ {
public: public:
MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos,
long style = wxDEFAULT_FRAME_STYLE); const wxSize& size, long style = wxDEFAULT_FRAME_STYLE);
void OnExit(wxCommandEvent& event); void OnExit(wxCommandEvent& event);
@@ -71,16 +72,19 @@ private:
class TestGLCanvas: public wxGLCanvas class TestGLCanvas: public wxGLCanvas
{ {
public: public:
TestGLCanvas(wxWindow *parent, const wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, TestGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY,
const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxT("TestGLCanvas")); const wxPoint& pos = wxDefaultPosition,
~TestGLCanvas(void); const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = wxT("TestGLCanvas"));
~TestGLCanvas();
void OnPaint(wxPaintEvent& event); void OnPaint(wxPaintEvent& event);
void OnSize(wxSizeEvent& event); void OnSize(wxSizeEvent& event);
void OnEraseBackground(wxEraseEvent& event); void OnEraseBackground(wxEraseEvent& event);
void LoadLWO( const wxString &filename); void LoadLWO( const wxString &filename);
void OnMouse( wxMouseEvent& event ); void OnMouse( wxMouseEvent& event );
void InitGL(void); void InitGL();
mesh_info info; mesh_info info;
bool block; bool block;
@@ -89,7 +93,7 @@ private:
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
#endif #endif // #if wxUSE_GLCANVAS
#endif #endif // #ifndef _WX_PENGUIN_H_