+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/glcanvas.h
+// Purpose: wxGLCanvas base header
+// Author: Julian Smart
+// Modified by:
+// Created:
+// Copyright: (c) Julian Smart
+// RCS-ID: $Id$
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_GLCANVAS_H_BASE_
#define _WX_GLCANVAS_H_BASE_
#if wxUSE_GLCANVAS
+#include "wx/app.h"
+#include "wx/palette.h"
+#include "wx/window.h"
+
+class WXDLLIMPEXP_FWD_GL wxGLCanvas;
+class WXDLLIMPEXP_FWD_GL wxGLContext;
+
+// ----------------------------------------------------------------------------
+// Constants for attributes list
+// ----------------------------------------------------------------------------
+
+// The generic OpenGL implementation doesn't support most of these options,
+// such as stereo, auxiliary buffers, alpha channel, and accumulator buffer.
+// Other implementations may actually support them.
+enum
+{
+ WX_GL_RGBA=1, /* use true color palette */
+ WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */
+ WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */
+ WX_GL_DOUBLEBUFFER, /* use doublebuffer */
+ WX_GL_STEREO, /* use stereoscopic display */
+ WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */
+ WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */
+ WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */
+ WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */
+ WX_GL_MIN_ALPHA, /* use alpha buffer with most bits (> MIN_ALPHA bits) */
+ WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */
+ WX_GL_STENCIL_SIZE, /* bits for stencil buffer */
+ WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
+ WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
+ WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
+ WX_GL_MIN_ACCUM_ALPHA /* use alpha buffer with most bits (> MIN_ACCUM_ALPHA bits) */
+};
+
#define wxGLCanvasName _T("GLCanvas")
-#if defined(__WXMSW__)
-#include "wx/msw/glcanvas.h"
-#elif defined(__WXMOTIF__)
-#include "wx/x11/glcanvas.h"
-#elif defined(__WXGTK__)
-#include "wx/gtk/glcanvas.h"
-#elif defined(__WXX11__)
-#include "wx/x11/glcanvas.h"
-#elif defined(__WXMAC__)
-#include "wx/mac/glcanvas.h"
-#elif defined(__WXPM__)
-#include "wx/os2/glcanvas.h"
+// ----------------------------------------------------------------------------
+// wxGLContextBase: OpenGL rendering context
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLContextBase : public wxObject
+{
+public:
+ /*
+ The derived class should provide a ctor with this signature:
+
+ wxGLContext(wxGLCanvas *win, const wxGLContext *other = NULL);
+ */
+
+ // set this context as the current one
+ virtual void SetCurrent(const wxGLCanvas& win) const = 0;
+};
+
+// ----------------------------------------------------------------------------
+// wxGLCanvasBase: window which can be used for OpenGL rendering
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLCanvasBase : public wxWindow
+{
+public:
+ // default ctor doesn't initialize the window, use Create() later
+ wxGLCanvasBase();
+
+ virtual ~wxGLCanvasBase();
+
+
+ /*
+ The derived class should provide a ctor with this signature:
+
+ wxGLCanvas(wxWindow *parent,
+ wxWindowID id = wxID_ANY,
+ int* attribList = 0,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxString& name = wxGLCanvasName,
+ const wxPalette& palette = wxNullPalette);
+ */
+
+ // operations
+ // ----------
+
+ // set the given context associated with this window as the current one
+ void SetCurrent(const wxGLContext& context) const;
+
+ // flush the back buffer (if we have it)
+ virtual void SwapBuffers() = 0;
+
+
+ // accessors
+ // ---------
+
+ const wxPalette *GetPalette() const { return &m_palette; }
+
+ // miscellaneous helper functions
+ // ------------------------------
+
+ // call glcolor() for the colour with the given name, return false if
+ // colour not found
+ bool SetColour(const wxString& colour);
+
+
+
+ // deprecated methods using the implicit wxGLContext
+#if WXWIN_COMPATIBILITY_2_8
+ wxDEPRECATED( wxGLContext* GetContext() const );
+
+ wxDEPRECATED( void SetCurrent() );
+
+ wxDEPRECATED( void OnSize(wxSizeEvent& event) );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+#ifdef __WXUNIVERSAL__
+ // resolve the conflict with wxWindowUniv::SetCurrent()
+ virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); };
#endif
-#include "wx/app.h"
-class WXDLLIMPEXP_GL wxGLApp : public wxApp
+protected:
+ // override this to implement SetColour() in GL_INDEX_MODE
+ // (currently only implemented in wxX11 and wxMotif ports)
+ virtual int GetColourIndex(const wxColour& WXUNUSED(col)) { return -1; }
+
+ // create default palette if we're not using RGBA mode
+ // (not supported in most ports)
+ virtual wxPalette CreateDefaultPalette() { return wxNullPalette; }
+
+
+ wxPalette m_palette;
+
+#if WXWIN_COMPATIBILITY_2_8
+ wxGLContext *m_glContext;
+#endif // WXWIN_COMPATIBILITY_2_8
+};
+
+// ----------------------------------------------------------------------------
+// wxGLApp: a special wxApp subclass for OpenGL applications which must be used
+// to select a visual compatible with the given attributes
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLAppBase : public wxApp
{
public:
- wxGLApp() : wxApp() { }
- virtual ~wxGLApp();
+ wxGLAppBase() : wxApp() { }
// use this in the constructor of the user-derived wxGLApp class to
// determine if an OpenGL rendering context with these attributes
// is available - returns true if so, false if not.
- bool InitGLVisual(int *attribList);
+ virtual bool InitGLVisual(const int *attribList) = 0;
+};
+
+#if defined(__WXMSW__)
+ #include "wx/msw/glcanvas.h"
+#elif defined(__WXMOTIF__) || defined(__WXX11__)
+ #include "wx/x11/glcanvas.h"
+#elif defined(__WXGTK20__)
+ #include "wx/gtk/glcanvas.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk1/glcanvas.h"
+#elif defined(__WXMAC__)
+ #include "wx/mac/glcanvas.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/cocoa/glcanvas.h"
+#else
+ #error "wxGLCanvas not supported in this wxWidgets port"
+#endif
+
+// wxMac and wxMSW don't need anything extra in wxGLAppBase, so declare it here
+#ifndef wxGL_APP_DEFINED
+
+class WXDLLIMPEXP_GL wxGLApp : public wxGLAppBase
+{
+public:
+ wxGLApp() : wxGLAppBase() { }
+
+ virtual bool InitGLVisual(const int *attribList);
private:
DECLARE_DYNAMIC_CLASS(wxGLApp)
};
-#endif
- // wxUSE_GLCANVAS
-#endif
- // _WX_GLCANVAS_H_BASE_
+#endif // !wxGL_APP_DEFINED
+
+#endif // wxUSE_GLCANVAS
+
+#endif // _WX_GLCANVAS_H_BASE_
projects / wxWidgets.git / blobdiff