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