utils/glcanvas/win/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/scrolwin.h>
  20
  21 #include <windows.h>
  22
  23 #include "gl/gl.h"
  24
  25 //---------------------------------------------------------------------------
  26 // Constants for attriblist
  27 //---------------------------------------------------------------------------
  28
  29 enum
  30 {
  31   WX_GL_RGBA=1,          /* use true color palette */
  32   WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
  33   WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
  34   WX_GL_MIN_RED,         /* use red buffer with most bits (> MIN_RED bits) */
  35   WX_GL_MIN_GREEN,       /* use green buffer with most bits (> MIN_GREEN bits) */
  36   WX_GL_MIN_BLUE         /* use blue buffer with most bits (> MIN_BLUE bits) */
  37 /* these are enough constants for now, the remaining will be added later */
  38 };
  39
  40 class wxGLCanvas;     /* forward reference */
  41
  42 class wxGLContext: public wxObject
  43 {
  44 public:
  45    wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette = wxNullPalette);
  46    wxGLContext(
  47                bool isRGB, wxGLCanvas *win,
  48                const wxPalette& WXUNUSED(palette),
  49                const wxGLContext *other        /* for sharing display lists */
  50     );
  51    ~wxGLContext();
  52
  53    void SetCurrent();
  54    void SetColour(const char *colour);
  55    void SwapBuffers();
  56
  57
  58    inline wxWindow* GetWindow() const { return m_window; }
  59    inline WXHDC GetHDC() const { return m_hDC; }
  60    inline HGLRC GetGLRC() const { return m_glContext; }
  61
  62 public:
  63    HGLRC            m_glContext;
  64    WXHDC            m_hDC;
  65    wxWindow*        m_window;
  66 };
  67
  68 class wxGLCanvas: public wxScrolledWindow
  69 {
  70    DECLARE_CLASS(wxGLCanvas)
  71  public:
  72    wxGLCanvas()
  73    {
  74        m_glContext = (wxGLContext*) NULL;
  75        m_hDC = 0;
  76    }
  77
  78    wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  79         const wxSize& size = wxDefaultSize, long style = 0,
  80         const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
  81    wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
  82         wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
  83         const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas",
  84               int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
  85
  86    ~wxGLCanvas();
  87
  88    // Replaces wxWindow::Create functionality, since we need to use a different window class
  89    bool Create(wxWindow *parent, wxWindowID id,
  90               const wxPoint& pos, const wxSize& size, long style, const wxString& name);
  91
  92    void SetCurrent();
  93    void SetColour(const char *colour);
  94    void SwapBuffers();
  95
  96    void OnSize(wxSizeEvent& event);
  97
  98    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
  99    void OnPaletteChanged(wxPaletteChangedEvent& event);
 100
 101    inline wxGLContext* GetContext() const { return m_glContext; }
 102
 103
 104    inline WXHDC GetHDC() const { return m_hDC; }
 105    void SetupPixelFormat();
 106    void SetupPalette(const wxPalette& palette);
 107    wxPalette CreateDefaultPalette();
 108
 109    inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
 110
 111 protected:
 112     wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
 113     wxPalette      m_palette;
 114     WXHDC          m_hDC;
 115
 116 DECLARE_EVENT_TABLE()
 117 };
 118
 119 #ifdef __cplusplus
 120 extern "C" {
 121 #endif
 122
 123 /* Give extensions proper function names. */
 124
 125 /* N.B. - this is not completely implemented as yet */
 126
 127 /* EXT_vertex_array */
 128 void glArrayElementEXT(GLint i);
 129 void glColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 130 void glDrawArraysEXT(GLenum mode, GLint first, GLsizei count);
 131 void glEdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *pointer);
 132 void glGetPointervEXT(GLenum pname, GLvoid* *params);
 133 void glIndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 134 void glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 135 void glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 136 void glVertexPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
 137
 138 /* EXT_color_subtable */
 139 void glColorSubtableEXT(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *table);
 140
 141 /* EXT_color_table */
 142 void glColorTableEXT(GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
 143 void glCopyColorTableEXT(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
 144 void glGetColorTableEXT(GLenum target, GLenum format, GLenum type, GLvoid *table);
 145 void glGetColorTableParamaterfvEXT(GLenum target, GLenum pname, GLfloat *params);
 146 void glGetColorTavleParameterivEXT(GLenum target, GLenum pname, GLint *params);
 147
 148 /* SGI_compiled_vertex_array */
 149 void glLockArraysSGI(GLint first, GLsizei count);
 150 void glUnlockArraysSGI();
 151
 152 /* SGI_cull_vertex */
 153 void glCullParameterdvSGI(GLenum pname, GLdouble* params);
 154 void glCullParameterfvSGI(GLenum pname, GLfloat* params);
 155
 156 /* SGI_index_func */
 157 void glIndexFuncSGI(GLenum func, GLclampf ref);
 158
 159 /* SGI_index_material */
 160 void glIndexMaterialSGI(GLenum face, GLenum mode);
 161
 162 /* WIN_swap_hint */
 163 void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height);
 164
 165 #ifdef __cplusplus
 166 }
 167 #endif
 168
 169 #endif