| 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 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 | #include "wx/msw/winundef.h" |
| 24 | |
| 25 | #include <GL/gl.h> |
| 26 | |
| 27 | //--------------------------------------------------------------------------- |
| 28 | // Constants for attriblist |
| 29 | //--------------------------------------------------------------------------- |
| 30 | |
| 31 | // The generic GL implementation doesn't support most of these options, |
| 32 | // such as stereo, auxiliary buffers, alpha channel, and accum buffer. |
| 33 | // Other implementations may actually support them. |
| 34 | |
| 35 | enum |
| 36 | { |
| 37 | WX_GL_RGBA=1, /* use true color palette */ |
| 38 | WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */ |
| 39 | WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */ |
| 40 | WX_GL_DOUBLEBUFFER, /* use doublebuffer */ |
| 41 | WX_GL_STEREO, /* use stereoscopic display */ |
| 42 | WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */ |
| 43 | WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */ |
| 44 | WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */ |
| 45 | WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */ |
| 46 | WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */ |
| 47 | WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */ |
| 48 | WX_GL_STENCIL_SIZE, /* bits for stencil buffer */ |
| 49 | WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */ |
| 50 | WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */ |
| 51 | WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */ |
| 52 | WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */ |
| 53 | }; |
| 54 | |
| 55 | class WXDLLIMPEXP_GL wxGLCanvas; /* forward reference */ |
| 56 | |
| 57 | class WXDLLIMPEXP_GL wxGLContext: public wxObject |
| 58 | { |
| 59 | public: |
| 60 | wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette); |
| 61 | |
| 62 | wxGLContext( bool isRGB, wxGLCanvas *win, |
| 63 | const wxPalette& WXUNUSED(palette), |
| 64 | const wxGLContext *other /* for sharing display lists */ ); |
| 65 | |
| 66 | ~wxGLContext(); |
| 67 | |
| 68 | |
| 69 | void SetCurrent(); |
| 70 | |
| 71 | void SetColour(const wxChar *colour); |
| 72 | |
| 73 | void SwapBuffers(); |
| 74 | |
| 75 | |
| 76 | inline wxWindow* GetWindow() const { return m_window; } |
| 77 | |
| 78 | inline WXHDC GetHDC() const { return m_hDC; } |
| 79 | |
| 80 | inline HGLRC GetGLRC() const { return m_glContext; } |
| 81 | |
| 82 | public: |
| 83 | HGLRC m_glContext; |
| 84 | WXHDC m_hDC; |
| 85 | wxWindow* m_window; |
| 86 | }; |
| 87 | |
| 88 | class WXDLLIMPEXP_GL wxGLCanvas: public wxWindow |
| 89 | { |
| 90 | DECLARE_CLASS(wxGLCanvas) |
| 91 | public: |
| 92 | wxGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY, |
| 93 | const wxPoint& pos = wxDefaultPosition, |
| 94 | const wxSize& size = wxDefaultSize, long style = 0, |
| 95 | const wxString& name = wxGLCanvasName, int *attribList = 0, |
| 96 | const wxPalette& palette = wxNullPalette); |
| 97 | |
| 98 | wxGLCanvas(wxWindow *parent, |
| 99 | const wxGLContext *shared = (wxGLContext *) NULL, |
| 100 | wxWindowID id = wxID_ANY, |
| 101 | const wxPoint& pos = wxDefaultPosition, |
| 102 | const wxSize& size = wxDefaultSize, |
| 103 | long style = 0, |
| 104 | const wxString& name = wxGLCanvasName, |
| 105 | int *attribList = (int *) NULL, |
| 106 | const wxPalette& palette = wxNullPalette); |
| 107 | |
| 108 | wxGLCanvas(wxWindow *parent, |
| 109 | const wxGLCanvas *shared = (wxGLCanvas *)NULL, |
| 110 | wxWindowID id = wxID_ANY, |
| 111 | const wxPoint& pos = wxDefaultPosition, |
| 112 | const wxSize& size = wxDefaultSize, |
| 113 | long style = 0, |
| 114 | const wxString& name = wxGLCanvasName, |
| 115 | int *attribList = 0, |
| 116 | const wxPalette& palette = wxNullPalette); |
| 117 | |
| 118 | ~wxGLCanvas(); |
| 119 | |
| 120 | // Replaces wxWindow::Create functionality, since |
| 121 | // we need to use a different window class |
| 122 | bool Create(wxWindow *parent, wxWindowID id, |
| 123 | const wxPoint& pos, const wxSize& size, |
| 124 | long style, const wxString& name); |
| 125 | |
| 126 | void SetCurrent(); |
| 127 | |
| 128 | #ifdef __WXUNIVERSAL__ |
| 129 | virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); }; |
| 130 | #endif |
| 131 | |
| 132 | void SetColour(const wxChar *colour); |
| 133 | |
| 134 | void SwapBuffers(); |
| 135 | |
| 136 | void OnSize(wxSizeEvent& event); |
| 137 | |
| 138 | void OnQueryNewPalette(wxQueryNewPaletteEvent& event); |
| 139 | |
| 140 | void OnPaletteChanged(wxPaletteChangedEvent& event); |
| 141 | |
| 142 | inline wxGLContext* GetContext() const { return m_glContext; } |
| 143 | |
| 144 | inline WXHDC GetHDC() const { return m_hDC; } |
| 145 | |
| 146 | void SetupPixelFormat(int *attribList = (int *) NULL); |
| 147 | |
| 148 | void SetupPalette(const wxPalette& palette); |
| 149 | |
| 150 | wxPalette CreateDefaultPalette(); |
| 151 | |
| 152 | inline wxPalette* GetPalette() const { return (wxPalette *) &m_palette; } |
| 153 | |
| 154 | protected: |
| 155 | wxGLContext* m_glContext; // this is typedef-ed ptr, in fact |
| 156 | wxPalette m_palette; |
| 157 | WXHDC m_hDC; |
| 158 | |
| 159 | DECLARE_EVENT_TABLE() |
| 160 | }; |
| 161 | |
| 162 | #endif |
| 163 | // _WX_GLCANVAS_H_ |
| 164 | |