FLTK 1.3.0
gl.h
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00001 //
00002 // "$Id$"
00003 //
00004 // OpenGL header file for the Fast Light Tool Kit (FLTK).
00005 //
00006 // Copyright 1998-2010 by Bill Spitzak and others.
00007 //
00008 // You must include this instead of GL/gl.h to get the Microsoft
00009 // APIENTRY stuff included (from <windows.h>) prior to the OpenGL
00010 // header files.
00011 //
00012 // This file also provides "missing" OpenGL functions, and
00013 // gl_start() and gl_finish() to allow OpenGL to be used in any window
00014 //
00015 // This library is free software; you can redistribute it and/or
00016 // modify it under the terms of the GNU Library General Public
00017 // License as published by the Free Software Foundation; either
00018 // version 2 of the License, or (at your option) any later version.
00019 //
00020 // This library is distributed in the hope that it will be useful,
00021 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00023 // Library General Public License for more details.
00024 //
00025 // You should have received a copy of the GNU Library General Public
00026 // License along with this library; if not, write to the Free Software
00027 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00028 // USA.
00029 //
00030 // Please report all bugs and problems on the following page:
00031 //
00032 //     http://www.fltk.org/str.php
00033 //
00034 
00051 #ifndef FL_gl_H
00052 #  define FL_gl_H
00053 
00054 #  include "Enumerations.H" // for color names
00055 #  ifdef WIN32
00056 #    include <windows.h>
00057 #  endif
00058 #  ifndef APIENTRY
00059 #    if defined(__CYGWIN__)
00060 #      define APIENTRY __attribute__ ((__stdcall__))
00061 #    else
00062 #      define APIENTRY
00063 #    endif
00064 #  endif
00065 
00066 #  ifdef __APPLE__
00067 #    include <OpenGL/gl.h>
00068 #  else
00069 #    include <GL/gl.h>
00070 #  endif
00071 
00072 FL_EXPORT void gl_start();
00073 FL_EXPORT void gl_finish();
00074 
00075 FL_EXPORT void gl_color(Fl_Color i);
00077 inline void gl_color(int c) {gl_color((Fl_Color)c);}
00078 
00079 FL_EXPORT void gl_rect(int x,int y,int w,int h);
00084 inline void gl_rectf(int x,int y,int w,int h) {glRecti(x,y,x+w,y+h);}
00085 
00086 FL_EXPORT void gl_font(int fontid, int size);
00087 FL_EXPORT int  gl_height();
00088 FL_EXPORT int  gl_descent();
00089 FL_EXPORT double gl_width(const char *);
00090 FL_EXPORT double gl_width(const char *, int n);
00091 FL_EXPORT double gl_width(uchar);
00092 
00093 FL_EXPORT void gl_draw(const char*);
00094 FL_EXPORT void gl_draw(const char*, int n);
00095 FL_EXPORT void gl_draw(const char*, int x, int y);
00096 FL_EXPORT void gl_draw(const char*, float x, float y);
00097 FL_EXPORT void gl_draw(const char*, int n, int x, int y);
00098 FL_EXPORT void gl_draw(const char*, int n, float x, float y);
00099 FL_EXPORT void gl_draw(const char*, int x, int y, int w, int h, Fl_Align);
00100 FL_EXPORT void gl_measure(const char*, int& x, int& y);
00101 #ifdef __APPLE__
00102 extern FL_EXPORT void gl_texture_pile_height(int max);
00103 extern FL_EXPORT int gl_texture_pile_height();
00104 #endif
00105 
00106 FL_EXPORT void gl_draw_image(const uchar *, int x,int y,int w,int h, int d=3, int ld=0);
00107 
00108 #endif // !FL_gl_H
00109 
00110 //
00111 // End of "$Id$".
00112 //