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19cf4f80 RD |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: 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/setup.h> | |
8a721b35 | 20 | #undef wxUSE_GLCANVAS |
19cf4f80 | 21 | #define wxUSE_GLCANVAS 1 |
19cf4f80 RD |
22 | |
23 | #include <wx/palette.h> | |
24 | #include <wx/scrolwin.h> | |
25 | ||
26 | #include <windows.h> | |
1e4a197e | 27 | #include "wx/msw/winundef.h" |
19cf4f80 | 28 | |
203c2f9a | 29 | #include <GL/gl.h> |
19cf4f80 RD |
30 | |
31 | //--------------------------------------------------------------------------- | |
32 | // Constants for attriblist | |
33 | //--------------------------------------------------------------------------- | |
34 | ||
35 | // The generic GL implementation doesn't support most of these options, | |
36 | // such as stereo, auxiliary buffers, alpha channel, and accum buffer. | |
37 | // Other implementations may actually support them. | |
38 | ||
39 | enum | |
40 | { | |
41 | WX_GL_RGBA=1, /* use true color palette */ | |
42 | WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */ | |
43 | WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */ | |
44 | WX_GL_DOUBLEBUFFER, /* use doublebuffer */ | |
45 | WX_GL_STEREO, /* use stereoscopic display */ | |
46 | WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */ | |
47 | WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */ | |
48 | WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */ | |
49 | WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */ | |
50 | WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */ | |
51 | WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */ | |
52 | WX_GL_STENCIL_SIZE, /* bits for stencil buffer */ | |
53 | WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */ | |
54 | WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */ | |
55 | WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */ | |
56 | WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */ | |
57 | }; | |
58 | ||
59 | class wxGLCanvas; /* forward reference */ | |
60 | ||
61 | class wxGLContext: public wxObject | |
62 | { | |
63 | public: | |
64 | wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette); | |
65 | wxGLContext( | |
66 | bool isRGB, wxGLCanvas *win, | |
67 | const wxPalette& WXUNUSED(palette), | |
68 | const wxGLContext *other /* for sharing display lists */ | |
69 | ); | |
70 | ~wxGLContext(); | |
71 | ||
72 | void SetCurrent(); | |
1e4a197e | 73 | void SetColour(const wxChar *colour); |
19cf4f80 RD |
74 | void SwapBuffers(); |
75 | ||
76 | ||
77 | inline wxWindow* GetWindow() const { return m_window; } | |
78 | inline WXHDC GetHDC() const { return m_hDC; } | |
79 | inline HGLRC GetGLRC() const { return m_glContext; } | |
80 | ||
81 | public: | |
82 | HGLRC m_glContext; | |
83 | WXHDC m_hDC; | |
84 | wxWindow* m_window; | |
85 | }; | |
86 | ||
1e4a197e RD |
87 | |
88 | extern const wxChar* wxGLCanvasName; | |
89 | ||
90 | ||
ab11ebfa | 91 | class wxGLCanvas: public wxWindow |
19cf4f80 RD |
92 | { |
93 | DECLARE_CLASS(wxGLCanvas) | |
94 | public: | |
95 | wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, | |
96 | const wxSize& size = wxDefaultSize, long style = 0, | |
1e4a197e | 97 | const wxString& name = wxGLCanvasName, int *attribList = 0, const wxPalette& palette = wxNullPalette); |
19cf4f80 RD |
98 | wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL, |
99 | wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, | |
1e4a197e RD |
100 | const wxSize& size = wxDefaultSize, long style = 0, const wxString& |
101 | name = wxGLCanvasName, | |
19cf4f80 RD |
102 | int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette ); |
103 | ||
104 | wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1, | |
105 | const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, | |
1e4a197e | 106 | const wxString& name = wxGLCanvasName, int *attribList = 0, const wxPalette& palette = wxNullPalette ); |
19cf4f80 RD |
107 | |
108 | ~wxGLCanvas(); | |
109 | ||
110 | // Replaces wxWindow::Create functionality, since we need to use a different window class | |
111 | bool Create(wxWindow *parent, wxWindowID id, | |
112 | const wxPoint& pos, const wxSize& size, long style, const wxString& name); | |
113 | ||
114 | void SetCurrent(); | |
1e4a197e | 115 | void SetColour(const wxChar *colour); |
19cf4f80 RD |
116 | void SwapBuffers(); |
117 | ||
118 | void OnSize(wxSizeEvent& event); | |
119 | ||
120 | void OnQueryNewPalette(wxQueryNewPaletteEvent& event); | |
121 | void OnPaletteChanged(wxPaletteChangedEvent& event); | |
122 | ||
123 | inline wxGLContext* GetContext() const { return m_glContext; } | |
124 | ||
125 | inline WXHDC GetHDC() const { return m_hDC; } | |
126 | void SetupPixelFormat(int *attribList = (int*) NULL); | |
127 | void SetupPalette(const wxPalette& palette); | |
128 | wxPalette CreateDefaultPalette(); | |
129 | ||
130 | inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; } | |
131 | ||
132 | protected: | |
133 | wxGLContext* m_glContext; // this is typedef-ed ptr, in fact | |
134 | wxPalette m_palette; | |
135 | WXHDC m_hDC; | |
136 | ||
0122b7e3 | 137 | DECLARE_EVENT_TABLE() |
19cf4f80 RD |
138 | }; |
139 | ||
0122b7e3 RD |
140 | |
141 | ||
142 | class wxGLApp : public wxApp | |
143 | { | |
144 | public: | |
145 | wxGLApp() : wxApp() { } | |
146 | virtual ~wxGLApp(); | |
147 | ||
148 | // use this in the constructor of the user-derived wxGLApp class to | |
149 | // determine if an OpenGL rendering context with these attributes | |
150 | // is available - returns TRUE if so, FALSE if not. | |
151 | bool InitGLVisual(int *attribList); | |
152 | ||
153 | private: | |
154 | DECLARE_DYNAMIC_CLASS(wxGLApp) | |
155 | }; | |
156 | ||
157 | ||
158 | ||
159 | ||
19cf4f80 RD |
160 | #endif |
161 | // _WX_GLCANVAS_H_ | |
162 |