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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/palmos/glcanvas.h | |
3 | // Purpose: wxGLCanvas, for using OpenGL with wxWidgets under Palm OS | |
4 | // Author: William Osborne - minimal working wxPalmOS port | |
5 | // Modified by: | |
6 | // Created: 10/13/04 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) William Osborne | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_GLCANVAS_H_ | |
13 | #define _WX_GLCANVAS_H_ | |
14 | ||
15 | #include "wx/palette.h" | |
16 | #include "wx/scrolwin.h" | |
17 | ||
18 | #include <windows.h> | |
19 | #include "wx/msw/winundef.h" | |
20 | ||
21 | #include <GL/gl.h> | |
22 | ||
23 | //--------------------------------------------------------------------------- | |
24 | // Constants for attriblist | |
25 | //--------------------------------------------------------------------------- | |
26 | ||
27 | // The generic GL implementation doesn't support most of these options, | |
28 | // such as stereo, auxiliary buffers, alpha channel, and accum buffer. | |
29 | // Other implementations may actually support them. | |
30 | ||
31 | enum | |
32 | { | |
33 | WX_GL_RGBA=1, /* use true color palette */ | |
34 | WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */ | |
35 | WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */ | |
36 | WX_GL_DOUBLEBUFFER, /* use doublebuffer */ | |
37 | WX_GL_STEREO, /* use stereoscopic display */ | |
38 | WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */ | |
39 | WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */ | |
40 | WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */ | |
41 | WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */ | |
42 | WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */ | |
43 | WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */ | |
44 | WX_GL_STENCIL_SIZE, /* bits for stencil buffer */ | |
45 | WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */ | |
46 | WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */ | |
47 | WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */ | |
48 | WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */ | |
49 | }; | |
50 | ||
51 | class WXDLLIMPEXP_GL wxGLCanvas; /* forward reference */ | |
52 | ||
53 | class WXDLLIMPEXP_GL wxGLContext: public wxObject | |
54 | { | |
55 | public: | |
56 | wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette); | |
57 | ||
58 | wxGLContext( bool isRGB, wxGLCanvas *win, | |
59 | const wxPalette& WXUNUSED(palette), | |
60 | const wxGLContext *other /* for sharing display lists */ ); | |
61 | ||
62 | ~wxGLContext(); | |
63 | ||
64 | ||
65 | void SetCurrent(); | |
66 | ||
67 | void SetColour(const wxChar *colour); | |
68 | ||
69 | void SwapBuffers(); | |
70 | ||
71 | ||
72 | inline wxWindow* GetWindow() const { return m_window; } | |
73 | ||
74 | inline WXHDC GetHDC() const { return m_hDC; } | |
75 | ||
76 | inline HGLRC GetGLRC() const { return m_glContext; } | |
77 | ||
78 | public: | |
79 | HGLRC m_glContext; | |
80 | WXHDC m_hDC; | |
81 | wxWindow* m_window; | |
82 | }; | |
83 | ||
84 | class WXDLLIMPEXP_GL wxGLCanvas: public wxWindow | |
85 | { | |
86 | DECLARE_CLASS(wxGLCanvas) | |
87 | public: | |
88 | wxGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY, | |
89 | const wxPoint& pos = wxDefaultPosition, | |
90 | const wxSize& size = wxDefaultSize, long style = 0, | |
91 | const wxString& name = wxGLCanvasName, int *attribList = 0, | |
92 | const wxPalette& palette = wxNullPalette); | |
93 | ||
94 | wxGLCanvas(wxWindow *parent, | |
95 | const wxGLContext *shared = (wxGLContext *) NULL, | |
96 | wxWindowID id = wxID_ANY, | |
97 | const wxPoint& pos = wxDefaultPosition, | |
98 | const wxSize& size = wxDefaultSize, | |
99 | long style = 0, | |
100 | const wxString& name = wxGLCanvasName, | |
101 | int *attribList = (int *) NULL, | |
102 | const wxPalette& palette = wxNullPalette); | |
103 | ||
104 | wxGLCanvas(wxWindow *parent, | |
105 | const wxGLCanvas *shared = (wxGLCanvas *)NULL, | |
106 | wxWindowID id = wxID_ANY, | |
107 | const wxPoint& pos = wxDefaultPosition, | |
108 | const wxSize& size = wxDefaultSize, | |
109 | long style = 0, | |
110 | const wxString& name = wxGLCanvasName, | |
111 | int *attribList = 0, | |
112 | const wxPalette& palette = wxNullPalette); | |
113 | ||
114 | ~wxGLCanvas(); | |
115 | ||
116 | // Replaces wxWindow::Create functionality, since | |
117 | // we need to use a different window class | |
118 | bool Create(wxWindow *parent, wxWindowID id, | |
119 | const wxPoint& pos, const wxSize& size, | |
120 | long style, const wxString& name); | |
121 | ||
122 | void SetCurrent(); | |
123 | ||
124 | #ifdef __WXUNIVERSAL__ | |
125 | virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); }; | |
126 | #endif | |
127 | ||
128 | void SetColour(const wxChar *colour); | |
129 | ||
130 | void SwapBuffers(); | |
131 | ||
132 | void OnSize(wxSizeEvent& event); | |
133 | ||
134 | void OnQueryNewPalette(wxQueryNewPaletteEvent& event); | |
135 | ||
136 | void OnPaletteChanged(wxPaletteChangedEvent& event); | |
137 | ||
138 | inline wxGLContext* GetContext() const { return m_glContext; } | |
139 | ||
140 | inline WXHDC GetHDC() const { return m_hDC; } | |
141 | ||
142 | void SetupPixelFormat(int *attribList = (int *) NULL); | |
143 | ||
144 | void SetupPalette(const wxPalette& palette); | |
145 | ||
146 | wxPalette CreateDefaultPalette(); | |
147 | ||
148 | inline wxPalette* GetPalette() const { return (wxPalette *) &m_palette; } | |
149 | ||
150 | protected: | |
151 | wxGLContext* m_glContext; // this is typedef-ed ptr, in fact | |
152 | wxPalette m_palette; | |
153 | WXHDC m_hDC; | |
154 | ||
155 | DECLARE_EVENT_TABLE() | |
156 | }; | |
157 | ||
158 | #endif | |
159 | // _WX_GLCANVAS_H_ | |
160 |