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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/msw/glcanvas.h
	3	// Purpose: wxGLCanvas, for using OpenGL with wxWindows under Windows
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma interface "glcanvas.h"
	14	#endif
	15
	16	#ifndef _WX_GLCANVAS_H_
	17	#define _WX_GLCANVAS_H_
	18
	19	#include <wx/palette.h>
	20	#include <wx/scrolwin.h>
	21
	22	#include <windows.h>
	23
	24	#include <GL/gl.h>
	25
	26	//---------------------------------------------------------------------------
	27	// Constants for attriblist
	28	//---------------------------------------------------------------------------
	29
	30	// The generic GL implementation doesn't support most of these options,
	31	// such as stereo, auxiliary buffers, alpha channel, and accum buffer.
	32	// Other implementations may actually support them.
	33
	34	enum
	35	{
	36	WX_GL_RGBA=1, /* use true color palette */
	37	WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */
	38	WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */
	39	WX_GL_DOUBLEBUFFER, /* use doublebuffer */
	40	WX_GL_STEREO, /* use stereoscopic display */
	41	WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */
	42	WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */
	43	WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */
	44	WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */
	45	WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */
	46	WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */
	47	WX_GL_STENCIL_SIZE, /* bits for stencil buffer */
	48	WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
	49	WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
	50	WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
	51	WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */
	52	};
	53
	54	class WXDLLEXPORT wxGLCanvas; /* forward reference */
	55
	56	class WXDLLEXPORT wxGLContext: public wxObject
	57	{
	58	public:
	59	wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette);
	60	wxGLContext(
	61	bool isRGB, wxGLCanvas *win,
	62	const wxPalette& WXUNUSED(palette),
	63	const wxGLContext other / for sharing display lists */
	64	);
	65	~wxGLContext();
	66
	67	void SetCurrent();
	68	void SetColour(const char *colour);
	69	void SwapBuffers();
	70
	71
	72	inline wxWindow* GetWindow() const { return m_window; }
	73	inline WXHDC GetHDC() const { return m_hDC; }
	74	inline HGLRC GetGLRC() const { return m_glContext; }
	75
	76	public:
	77	HGLRC m_glContext;
	78	WXHDC m_hDC;
	79	wxWindow* m_window;
	80	};
	81
	82	class WXDLLEXPORT wxGLCanvas: public wxWindow
	83	{
	84	DECLARE_CLASS(wxGLCanvas)
	85	public:
	86	wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
	87	const wxSize& size = wxDefaultSize, long style = 0,
	88	const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
	89	wxGLCanvas( wxWindow parent, const wxGLContext shared = (wxGLContext *)NULL,
	90	wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
	91	const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
	92	int attribList = (int) NULL, const wxPalette& palette = wxNullPalette );
	93
	94	wxGLCanvas( wxWindow parent, const wxGLCanvas shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
	95	const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
	96	const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette );
	97
	98	~wxGLCanvas();
	99
	100	// Replaces wxWindow::Create functionality, since we need to use a different window class
	101	bool Create(wxWindow *parent, wxWindowID id,
	102	const wxPoint& pos, const wxSize& size, long style, const wxString& name);
	103
	104	void SetCurrent();
	105	void SetColour(const char *colour);
	106	void SwapBuffers();
	107
	108	void OnSize(wxSizeEvent& event);
	109
	110	void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
	111	void OnPaletteChanged(wxPaletteChangedEvent& event);
	112
	113	inline wxGLContext* GetContext() const { return m_glContext; }
	114
	115	inline WXHDC GetHDC() const { return m_hDC; }
	116	void SetupPixelFormat(int attribList = (int) NULL);
	117	void SetupPalette(const wxPalette& palette);
	118	wxPalette CreateDefaultPalette();
	119
	120	inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
	121
	122	protected:
	123	wxGLContext* m_glContext; // this is typedef-ed ptr, in fact
	124	wxPalette m_palette;
	125	WXHDC m_hDC;
	126
	127	DECLARE_EVENT_TABLE()
	128	};
	129
	130	#endif
	131	// _WX_GLCANVAS_H_
	132