include/wx/msw/glcanvas.h

   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/scrolwin.h>
  24
  25 #include <windows.h>
  26
  27 #include "gl/gl.h"
  28
  29 //---------------------------------------------------------------------------
  30 // Constants for attriblist
  31 //---------------------------------------------------------------------------
  32
  33 enum
  34 {
  35   WX_GL_RGBA=1,          /* use true color palette */
  36   WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
  37   WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
  38   WX_GL_MIN_RED,         /* use red buffer with most bits (> MIN_RED bits) */
  39   WX_GL_MIN_GREEN,       /* use green buffer with most bits (> MIN_GREEN bits) */
  40   WX_GL_MIN_BLUE         /* use blue buffer with most bits (> MIN_BLUE bits) */
  41 /* these are enough constants for now, the remaining will be added later */
  42 };
  43
  44 class WXDLLEXPORT wxGLCanvas;     /* forward reference */
  45
  46 class WXDLLEXPORT wxGLContext: public wxObject
  47 {
  48 public:
  49    wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette);
  50    wxGLContext(
  51                bool isRGB, wxGLCanvas *win,
  52                const wxPalette& WXUNUSED(palette),
  53                const wxGLContext *other        /* for sharing display lists */
  54     );
  55    ~wxGLContext();
  56
  57    void SetCurrent();
  58    void SetColour(const char *colour);
  59    void SwapBuffers();
  60
  61
  62    inline wxWindow* GetWindow() const { return m_window; }
  63    inline WXHDC GetHDC() const { return m_hDC; }
  64    inline HGLRC GetGLRC() const { return m_glContext; }
  65
  66 public:
  67    HGLRC            m_glContext;
  68    WXHDC            m_hDC;
  69    wxWindow*        m_window;
  70 };
  71
  72 class WXDLLEXPORT wxGLCanvas: public wxScrolledWindow
  73 {
  74    DECLARE_CLASS(wxGLCanvas)
  75  public:
  76    wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  77         const wxSize& size = wxDefaultSize, long style = 0,
  78         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
  79    wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
  80         wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  81         const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
  82               int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
  83
  84    wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
  85         const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
  86                 const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette );
  87
  88    ~wxGLCanvas();
  89
  90    // Replaces wxWindow::Create functionality, since we need to use a different window class
  91    bool Create(wxWindow *parent, wxWindowID id,
  92               const wxPoint& pos, const wxSize& size, long style, const wxString& name);
  93
  94    void SetCurrent();
  95    void SetColour(const char *colour);
  96    void SwapBuffers();
  97
  98    void OnSize(wxSizeEvent& event);
  99
 100    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
 101    void OnPaletteChanged(wxPaletteChangedEvent& event);
 102
 103    inline wxGLContext* GetContext() const { return m_glContext; }
 104
 105    inline WXHDC GetHDC() const { return m_hDC; }
 106    void SetupPixelFormat();
 107    void SetupPalette(const wxPalette& palette);
 108    wxPalette CreateDefaultPalette();
 109
 110    inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
 111
 112 protected:
 113     wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
 114     wxPalette      m_palette;
 115     WXHDC          m_hDC;
 116
 117 DECLARE_EVENT_TABLE()
 118 };
 119
 120 #ifdef __cplusplus
 121 extern "C" {
 122 #endif
 123
 124 /* Give extensions proper function names. */
 125
 126 /* N.B. - this is not completely implemented as yet */
 127
 128 /* EXT_vertex_array */
 129 void glArrayElementEXT(GLint i);
 130 void glColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 131 void glDrawArraysEXT(GLenum mode, GLint first, GLsizei count);
 132 void glEdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *pointer);
 133 void glGetPointervEXT(GLenum pname, GLvoid* *params);
 134 void glIndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 135 void glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 136 void glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 137 void glVertexPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 138
 139 /* EXT_color_subtable */
 140 void glColorSubtableEXT(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *table);
 141
 142 /* EXT_color_table */
 143 void glColorTableEXT(GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
 144 void glCopyColorTableEXT(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
 145 void glGetColorTableEXT(GLenum target, GLenum format, GLenum type, GLvoid *table);
 146 void glGetColorTableParamaterfvEXT(GLenum target, GLenum pname, GLfloat *params);
 147 void glGetColorTavleParameterivEXT(GLenum target, GLenum pname, GLint *params);
 148
 149 /* SGI_compiled_vertex_array */
 150 void glLockArraysSGI(GLint first, GLsizei count);
 151 void glUnlockArraysSGI();
 152
 153 /* SGI_cull_vertex */
 154 void glCullParameterdvSGI(GLenum pname, GLdouble* params);
 155 void glCullParameterfvSGI(GLenum pname, GLfloat* params);
 156
 157 /* SGI_index_func */
 158 void glIndexFuncSGI(GLenum func, GLclampf ref);
 159
 160 /* SGI_index_material */
 161 void glIndexMaterialSGI(GLenum face, GLenum mode);
 162
 163 /* WIN_swap_hint */
 164 void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height);
 165
 166 #ifdef __cplusplus
 167 }
 168 #endif
 169
 170 #endif
 171     // wxUSE_GLCANVAS
 172 #endif
 173     // _WX_GLCANVAS_H_
 174