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/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 enum
  35 {
  36   WX_GL_RGBA=1,          /* use true color palette */
  37   WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
  38   WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
  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 /* these are enough constants for now, the remaining will be added later */
  43 };
  44
  45 class WXDLLEXPORT wxGLCanvas;     /* forward reference */
  46
  47 class WXDLLEXPORT wxGLContext: public wxObject
  48 {
  49 public:
  50    wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette);
  51    wxGLContext(
  52                bool isRGB, wxGLCanvas *win,
  53                const wxPalette& WXUNUSED(palette),
  54                const wxGLContext *other        /* for sharing display lists */
  55     );
  56    ~wxGLContext();
  57
  58    void SetCurrent();
  59    void SetColour(const char *colour);
  60    void SwapBuffers();
  61
  62
  63    inline wxWindow* GetWindow() const { return m_window; }
  64    inline WXHDC GetHDC() const { return m_hDC; }
  65    inline HGLRC GetGLRC() const { return m_glContext; }
  66
  67 public:
  68    HGLRC            m_glContext;
  69    WXHDC            m_hDC;
  70    wxWindow*        m_window;
  71 };
  72
  73 class WXDLLEXPORT wxGLCanvas: public wxScrolledWindow
  74 {
  75    DECLARE_CLASS(wxGLCanvas)
  76  public:
  77    wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  78         const wxSize& size = wxDefaultSize, long style = 0,
  79         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
  80    wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
  81         wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  82         const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
  83               int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
  84
  85    wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
  86         const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
  87                 const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette );
  88
  89    ~wxGLCanvas();
  90
  91    // Replaces wxWindow::Create functionality, since we need to use a different window class
  92    bool Create(wxWindow *parent, wxWindowID id,
  93               const wxPoint& pos, const wxSize& size, long style, const wxString& name);
  94
  95    void SetCurrent();
  96    void SetColour(const char *colour);
  97    void SwapBuffers();
  98
  99    void OnSize(wxSizeEvent& event);
 100
 101    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
 102    void OnPaletteChanged(wxPaletteChangedEvent& event);
 103
 104    inline wxGLContext* GetContext() const { return m_glContext; }
 105
 106    inline WXHDC GetHDC() const { return m_hDC; }
 107    void SetupPixelFormat();
 108    void SetupPalette(const wxPalette& palette);
 109    wxPalette CreateDefaultPalette();
 110
 111    inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
 112
 113 protected:
 114     wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
 115     wxPalette      m_palette;
 116     WXHDC          m_hDC;
 117
 118 DECLARE_EVENT_TABLE()
 119 };
 120
 121 #ifdef __cplusplus
 122 extern "C" {
 123 #endif
 124
 125 /* Give extensions proper function names. */
 126
 127 /* N.B. - this is not completely implemented as yet */
 128
 129 /* EXT_vertex_array */
 130 void glArrayElementEXT(GLint i);
 131 void glColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 132 void glDrawArraysEXT(GLenum mode, GLint first, GLsizei count);
 133 void glEdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *pointer);
 134 void glGetPointervEXT(GLenum pname, GLvoid* *params);
 135 void glIndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 136 void glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 137 void glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 138 void glVertexPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 139
 140 /* EXT_color_subtable */
 141 void glColorSubtableEXT(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *table);
 142
 143 /* EXT_color_table */
 144 void glColorTableEXT(GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
 145 void glCopyColorTableEXT(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
 146 void glGetColorTableEXT(GLenum target, GLenum format, GLenum type, GLvoid *table);
 147 void glGetColorTableParamaterfvEXT(GLenum target, GLenum pname, GLfloat *params);
 148 void glGetColorTavleParameterivEXT(GLenum target, GLenum pname, GLint *params);
 149
 150 /* SGI_compiled_vertex_array */
 151 void glLockArraysSGI(GLint first, GLsizei count);
 152 void glUnlockArraysSGI();
 153
 154 /* SGI_cull_vertex */
 155 void glCullParameterdvSGI(GLenum pname, GLdouble* params);
 156 void glCullParameterfvSGI(GLenum pname, GLfloat* params);
 157
 158 /* SGI_index_func */
 159 void glIndexFuncSGI(GLenum func, GLclampf ref);
 160
 161 /* SGI_index_material */
 162 void glIndexMaterialSGI(GLenum face, GLenum mode);
 163
 164 /* WIN_swap_hint */
 165 void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height);
 166
 167 #ifdef __cplusplus
 168 }
 169 #endif
 170
 171 #endif
 172     // wxUSE_GLCANVAS
 173 #endif
 174     // _WX_GLCANVAS_H_
 175