477 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			477 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
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// "$Id: glut.H 4288 2005-04-16 00:13:17Z mike $"
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//
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// GLUT emulation header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2005 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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//     http://www.fltk.org/str.php
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//
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// Emulation of GLUT using fltk.
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// GLUT is Copyright (c) Mark J. Kilgard, 1994, 1995, 1996:
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// "This program is freely distributable without licensing fees  and is
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// provided without guarantee or warrantee expressed or  implied. This
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// program is -not- in the public domain."
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// Although I have copied the GLUT API, none of my code is based on
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// any GLUT implementation details and is therefore covered by the LGPL.
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// FLTK does not include the GLUT drawing functions (such as
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// glutWireTeapot()) or the stroke fonts but the declarations for the
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// drawing functions are included here because otherwise there is no
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// way to get them along with this.  To use them you will have to
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// link in the original GLUT library, put -lglut *after* -lfltk.
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// Commented out lines indicate parts of GLUT that are not emulated.
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#ifndef __glut_h__
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#  define __glut_h__
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#  include "gl.h"
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//#  include <GL/glu.h>
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////////////////////////////////////////////////////////////////
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// GLUT is emulated using this window class and these static variables
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// (plus several more static variables hidden in glut.C):
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#  include "Fl.H"
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#  include "Fl_Gl_Window.H"
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class FL_EXPORT Fl_Glut_Window : public Fl_Gl_Window {
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  void _init();
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  int mouse_down;
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protected:
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  void draw();
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  void draw_overlay();
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  int handle(int);
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public: // so the inline functions work
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  int number;
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  int menu[3];
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  void make_current();
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  void (*display)();
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  void (*overlaydisplay)();
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  void (*reshape)(int w, int h);
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  void (*keyboard)(uchar, int x, int y);
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  void (*mouse)(int b, int state, int x, int y);
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  void (*motion)(int x, int y);
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  void (*passivemotion)(int x, int y);
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  void (*entry)(int);
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  void (*visibility)(int);
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  void (*special)(int, int x, int y);
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  Fl_Glut_Window(int w, int h, const char *);
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  Fl_Glut_Window(int x, int y, int w, int h, const char *);
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  ~Fl_Glut_Window();
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};
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extern FL_EXPORT Fl_Glut_Window *glut_window;	// the current window
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extern FL_EXPORT int glut_menu;			// the current menu
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// function pointers that are not per-window:
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extern FL_EXPORT void (*glut_idle_function)();
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extern FL_EXPORT void (*glut_menustate_function)(int);
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extern FL_EXPORT void (*glut_menustatus_function)(int,int,int);
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////////////////////////////////////////////////////////////////
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//#  define GLUT_API_VERSION This does not match any version of GLUT exactly...
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FL_EXPORT void glutInit(int *argcp, char **argv); // creates first window
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FL_EXPORT void glutInitDisplayMode(unsigned int mode);
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// the FL_ symbols have the same value as the GLUT ones:
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#  define GLUT_RGB	FL_RGB
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#  define GLUT_RGBA	FL_RGB
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#  define GLUT_INDEX	FL_INDEX
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#  define GLUT_SINGLE	FL_SINGLE
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#  define GLUT_DOUBLE	FL_DOUBLE
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#  define GLUT_ACCUM	FL_ACCUM
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#  define GLUT_ALPHA	FL_ALPHA
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#  define GLUT_DEPTH	FL_DEPTH
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#  define GLUT_STENCIL	FL_STENCIL
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#  define GLUT_MULTISAMPLE FL_MULTISAMPLE
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#  define GLUT_STEREO	FL_STEREO
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// #  define GLUT_LUMINANCE		512
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FL_EXPORT void glutInitWindowPosition(int x, int y);
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FL_EXPORT void glutInitWindowSize(int w, int h);
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FL_EXPORT void glutMainLoop();
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FL_EXPORT int glutCreateWindow(char *title);
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FL_EXPORT int glutCreateSubWindow(int win, int x, int y, int width, int height);
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FL_EXPORT void glutDestroyWindow(int win);
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inline void glutPostRedisplay() {glut_window->redraw();}
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FL_EXPORT void glutSwapBuffers();
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inline int glutGetWindow() {return glut_window->number;}
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FL_EXPORT void glutSetWindow(int win);
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inline void glutSetWindowTitle(char *t) {glut_window->label(t);}
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inline void glutSetIconTitle(char *t) {glut_window->iconlabel(t);}
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inline void glutPositionWindow(int x, int y) {glut_window->position(x,y);}
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inline void glutReshapeWindow(int w, int h) {glut_window->size(w,h);}
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inline void glutPopWindow() {glut_window->show();}
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//inline void glutPushWindow();
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inline void glutIconifyWindow() {glut_window->iconize();}
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inline void glutShowWindow() {glut_window->show();}
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inline void glutHideWindow() {glut_window->hide();}
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inline void glutFullScreen() {glut_window->fullscreen();}
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inline void glutSetCursor(Fl_Cursor cursor) {glut_window->cursor(cursor);}
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// notice that the numeric values are different than glut:
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#  define GLUT_CURSOR_RIGHT_ARROW		((Fl_Cursor)2)
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#  define GLUT_CURSOR_LEFT_ARROW		((Fl_Cursor)67)
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#  define GLUT_CURSOR_INFO			FL_CURSOR_HAND
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#  define GLUT_CURSOR_DESTROY			((Fl_Cursor)45)
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#  define GLUT_CURSOR_HELP			FL_CURSOR_HELP
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#  define GLUT_CURSOR_CYCLE			((Fl_Cursor)26)
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#  define GLUT_CURSOR_SPRAY			((Fl_Cursor)63)
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#  define GLUT_CURSOR_WAIT			FL_CURSOR_WAIT
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#  define GLUT_CURSOR_TEXT			FL_CURSOR_INSERT
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#  define GLUT_CURSOR_CROSSHAIR			FL_CURSOR_CROSS
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#  define GLUT_CURSOR_UP_DOWN			FL_CURSOR_NS
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#  define GLUT_CURSOR_LEFT_RIGHT		FL_CURSOR_WE
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#  define GLUT_CURSOR_TOP_SIDE			FL_CURSOR_N
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#  define GLUT_CURSOR_BOTTOM_SIDE		FL_CURSOR_S
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#  define GLUT_CURSOR_LEFT_SIDE			FL_CURSOR_W
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#  define GLUT_CURSOR_RIGHT_SIDE		FL_CURSOR_E
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#  define GLUT_CURSOR_TOP_LEFT_CORNER		FL_CURSOR_NW
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#  define GLUT_CURSOR_TOP_RIGHT_CORNER		FL_CURSOR_NE
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#  define GLUT_CURSOR_BOTTOM_RIGHT_CORNER	FL_CURSOR_SE
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#  define GLUT_CURSOR_BOTTOM_LEFT_CORNER	FL_CURSOR_SW
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#  define GLUT_CURSOR_INHERIT			FL_CURSOR_DEFAULT
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#  define GLUT_CURSOR_NONE			FL_CURSOR_NONE
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#  define GLUT_CURSOR_FULL_CROSSHAIR		FL_CURSOR_CROSS
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//inline void glutWarpPointer(int x, int y);
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inline void glutEstablishOverlay() {glut_window->make_overlay_current();}
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inline void glutRemoveOverlay() {glut_window->hide_overlay();}
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inline void glutUseLayer(GLenum layer) {
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  layer ? glut_window->make_overlay_current() : glut_window->make_current();}
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enum {GLUT_NORMAL, GLUT_OVERLAY};
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inline void glutPostOverlayRedisplay() {glut_window->redraw_overlay();}
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inline void glutShowOverlay() {glut_window->redraw_overlay();}
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inline void glutHideOverlay() {glut_window->hide_overlay();}
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FL_EXPORT int glutCreateMenu(void (*)(int));
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FL_EXPORT void glutDestroyMenu(int menu);
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inline int glutGetMenu() {return glut_menu;}
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inline void glutSetMenu(int m) {glut_menu = m;}
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FL_EXPORT void glutAddMenuEntry(char *label, int value);
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FL_EXPORT void glutAddSubMenu(char *label, int submenu);
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FL_EXPORT void glutChangeToMenuEntry(int item, char *label, int value);
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FL_EXPORT void glutChangeToSubMenu(int item, char *label, int submenu);
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FL_EXPORT void glutRemoveMenuItem(int item);
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inline void glutAttachMenu(int b) {glut_window->menu[b] = glut_menu;}
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inline void glutDetachMenu(int b) {glut_window->menu[b] = 0;}
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inline void glutDisplayFunc(void (*f)()) {glut_window->display = f;}
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inline void glutReshapeFunc(void (*f)(int w, int h)) {glut_window->reshape=f;}
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inline void glutKeyboardFunc(void (*f)(uchar key, int x, int y)) {
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  glut_window->keyboard = f;}
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inline void glutMouseFunc(void (*f)(int b, int state, int x, int y)) {
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  glut_window->mouse = f;}
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#  define GLUT_LEFT_BUTTON		0
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#  define GLUT_MIDDLE_BUTTON		1
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#  define GLUT_RIGHT_BUTTON		2
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#  define GLUT_DOWN			0
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#  define GLUT_UP			1
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inline void glutMotionFunc(void (*f)(int x, int y)) {glut_window->motion= f;}
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inline void glutPassiveMotionFunc(void (*f)(int x, int y)) {
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  glut_window->passivemotion= f;}
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inline void glutEntryFunc(void (*f)(int s)) {glut_window->entry = f;}
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enum {GLUT_LEFT, GLUT_ENTERED};
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inline void glutVisibilityFunc(void (*f)(int s)) {glut_window->visibility=f;}
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enum {GLUT_NOT_VISIBLE, GLUT_VISIBLE};
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inline void glutIdleFunc(void (*f)()) {Fl::set_idle(f);}
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// Warning: this cast may not work on all machines:
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inline void glutTimerFunc(unsigned int msec, void (*f)(int), int value) {
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  Fl::add_timeout(msec*.001, (void (*)(void *))f, (void *)value);
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}
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inline void glutMenuStateFunc(void (*f)(int state)) {
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  glut_menustate_function = f;}
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inline void glutMenuStatusFunc(void (*f)(int status, int x, int y)) {
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  glut_menustatus_function = f;}
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enum {GLUT_MENU_NOT_IN_USE, GLUT_MENU_IN_USE};
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inline void glutSpecialFunc(void (*f)(int key, int x, int y)) {
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  glut_window->special = f;}
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#  define GLUT_KEY_F1			1
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#  define GLUT_KEY_F2			2
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#  define GLUT_KEY_F3			3
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#  define GLUT_KEY_F4			4
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#  define GLUT_KEY_F5			5
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#  define GLUT_KEY_F6			6
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#  define GLUT_KEY_F7			7
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#  define GLUT_KEY_F8			8
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#  define GLUT_KEY_F9			9
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#  define GLUT_KEY_F10			10
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#  define GLUT_KEY_F11			11
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#  define GLUT_KEY_F12			12
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// WARNING: Different values than GLUT uses:
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#  define GLUT_KEY_LEFT			FL_Left
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#  define GLUT_KEY_UP			FL_Up
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#  define GLUT_KEY_RIGHT		FL_Right
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#  define GLUT_KEY_DOWN			FL_Down
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#  define GLUT_KEY_PAGE_UP		FL_Page_Up
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#  define GLUT_KEY_PAGE_DOWN		FL_Page_Down
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#  define GLUT_KEY_HOME			FL_Home
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#  define GLUT_KEY_END			FL_End
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#  define GLUT_KEY_INSERT		FL_Insert
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//inline void glutSpaceballMotionFunc(void (*)(int x, int y, int z));
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//inline void glutSpaceballRotateFunc(void (*)(int x, int y, int z));
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//inline void glutSpaceballButtonFunc(void (*)(int button, int state));
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//inline void glutButtonBoxFunc(void (*)(int button, int state));
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//inline void glutDialsFunc(void (*)(int dial, int value));
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//inline void glutTabletMotionFunc(void (*)(int x, int y));
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//inline void glutTabletButtonFunc(void (*)(int button, int state, int x, int y));
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inline void glutOverlayDisplayFunc(void (*f)()) {
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  glut_window->overlaydisplay = f;}
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//inline void glutWindowStatusFunc(void (*)(int state));
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//enum {GLUT_HIDDEN, GLUT_FULLY_RETAINED, GLUT_PARTIALLY_RETAINED,
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//	GLUT_FULLY_COVERED};
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//inline void glutSetColor(int, GLfloat red, GLfloat green, GLfloat blue);
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//inline GLfloat glutGetColor(int ndx, int component);
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//#define GLUT_RED			0
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//#define GLUT_GREEN			1
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//#define GLUT_BLUE			2
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//inline void glutCopyColormap(int win);
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// Warning: values are changed from GLUT!
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// Also relies on the GL_ symbols having values greater than 100
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int glutGet(GLenum type);
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enum {
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  GLUT_RETURN_ZERO = 0,
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  GLUT_WINDOW_X,
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  GLUT_WINDOW_Y,
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  GLUT_WINDOW_WIDTH,
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  GLUT_WINDOW_HEIGHT,
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  GLUT_WINDOW_PARENT,
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//GLUT_WINDOW_NUM_CHILDREN,
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//GLUT_WINDOW_CURSOR,
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  GLUT_SCREEN_WIDTH,
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  GLUT_SCREEN_HEIGHT,
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//GLUT_SCREEN_WIDTH_MM,
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//GLUT_SCREEN_HEIGHT_MM,
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  GLUT_MENU_NUM_ITEMS,
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  GLUT_DISPLAY_MODE_POSSIBLE,
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  GLUT_INIT_WINDOW_X,
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  GLUT_INIT_WINDOW_Y,
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  GLUT_INIT_WINDOW_WIDTH,
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  GLUT_INIT_WINDOW_HEIGHT,
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  GLUT_INIT_DISPLAY_MODE,
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//GLUT_ELAPSED_TIME,
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  GLUT_WINDOW_BUFFER_SIZE
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};
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#  define GLUT_WINDOW_STENCIL_SIZE	GL_STENCIL_BITS
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#  define GLUT_WINDOW_DEPTH_SIZE	GL_DEPTH_BITS
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#  define GLUT_WINDOW_RED_SIZE		GL_RED_BITS
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#  define GLUT_WINDOW_GREEN_SIZE	GL_GREEN_BITS
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#  define GLUT_WINDOW_BLUE_SIZE		GL_BLUE_BITS
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#  define GLUT_WINDOW_ALPHA_SIZE	GL_ALPHA_BITS
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#  define GLUT_WINDOW_ACCUM_RED_SIZE	GL_ACCUM_RED_BITS
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#  define GLUT_WINDOW_ACCUM_GREEN_SIZE	GL_ACCUM_GREEN_BITS
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#  define GLUT_WINDOW_ACCUM_BLUE_SIZE	GL_ACCUM_BLUE_BITS
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#  define GLUT_WINDOW_ACCUM_ALPHA_SIZE	GL_ACCUM_ALPHA_BITS
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#  define GLUT_WINDOW_DOUBLEBUFFER	GL_DOUBLEBUFFER
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#  define GLUT_WINDOW_RGBA		GL_RGBA
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#  define GLUT_WINDOW_COLORMAP_SIZE	GL_INDEX_BITS
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#  ifdef GL_SAMPLES_SGIS
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#    define GLUT_WINDOW_NUM_SAMPLES	GL_SAMPLES_SGIS
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#  else
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#    define GLUT_WINDOW_NUM_SAMPLES	GLUT_RETURN_ZERO
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#  endif
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#  define GLUT_WINDOW_STEREO		GL_STEREO
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//int glutDeviceGet(GLenum type);
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//#define GLUT_HAS_KEYBOARD		600
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//#define GLUT_HAS_MOUSE		601
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//#define GLUT_HAS_SPACEBALL		602
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//#define GLUT_HAS_DIAL_AND_BUTTON_BOX	603
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//#define GLUT_HAS_TABLET		604
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//#define GLUT_NUM_MOUSE_BUTTONS	605
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//#define GLUT_NUM_SPACEBALL_BUTTONS	606
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//#define GLUT_NUM_BUTTON_BOX_BUTTONS	607
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//#define GLUT_NUM_DIALS		608
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//#define GLUT_NUM_TABLET_BUTTONS	609
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// WARNING: these values are different than GLUT uses:
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#  define GLUT_ACTIVE_SHIFT               FL_SHIFT
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#  define GLUT_ACTIVE_CTRL                FL_CTRL
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#  define GLUT_ACTIVE_ALT                 FL_ALT
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inline int glutGetModifiers() {return Fl::event_state() & (GLUT_ACTIVE_SHIFT | GLUT_ACTIVE_CTRL | GLUT_ACTIVE_ALT);}
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int glutLayerGet(GLenum);
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#  define GLUT_OVERLAY_POSSIBLE		800
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//#define GLUT_LAYER_IN_USE		801
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//#define GLUT_HAS_OVERLAY		802
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#  define GLUT_TRANSPARENT_INDEX		803
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#  define GLUT_NORMAL_DAMAGED		804
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#  define GLUT_OVERLAY_DAMAGED		805
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//inline int glutVideoResizeGet(GLenum param);
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//#define GLUT_VIDEO_RESIZE_POSSIBLE	900
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//#define GLUT_VIDEO_RESIZE_IN_USE	901
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//#define GLUT_VIDEO_RESIZE_X_DELTA	902
 | 
						|
//#define GLUT_VIDEO_RESIZE_Y_DELTA	903
 | 
						|
//#define GLUT_VIDEO_RESIZE_WIDTH_DELTA	904
 | 
						|
//#define GLUT_VIDEO_RESIZE_HEIGHT_DELTA 905
 | 
						|
//#define GLUT_VIDEO_RESIZE_X		906
 | 
						|
//#define GLUT_VIDEO_RESIZE_Y		907
 | 
						|
//#define GLUT_VIDEO_RESIZE_WIDTH	908
 | 
						|
//#define GLUT_VIDEO_RESIZE_HEIGHT	909
 | 
						|
 | 
						|
//inline void glutSetupVideoResizing();
 | 
						|
 | 
						|
//inline void glutStopVideoResizing();
 | 
						|
 | 
						|
//inline void glutVideoResize(int x, int y, int width, int height);
 | 
						|
 | 
						|
//inline void glutVideoPan(int x, int y, int width, int height);
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////
 | 
						|
// Emulated GLUT drawing functions:
 | 
						|
 | 
						|
// Font argument must be a void* for compatability, so...
 | 
						|
extern FL_EXPORT struct Glut_Bitmap_Font {uchar font; int size;}
 | 
						|
  glutBitmap9By15, glutBitmap8By13, glutBitmapTimesRoman10,
 | 
						|
  glutBitmapTimesRoman24, glutBitmapHelvetica10, glutBitmapHelvetica12,
 | 
						|
  glutBitmapHelvetica18;
 | 
						|
#  define GLUT_BITMAP_9_BY_15             (&glutBitmap9By15)
 | 
						|
#  define GLUT_BITMAP_8_BY_13             (&glutBitmap8By13)
 | 
						|
#  define GLUT_BITMAP_TIMES_ROMAN_10      (&glutBitmapTimesRoman10)
 | 
						|
#  define GLUT_BITMAP_TIMES_ROMAN_24      (&glutBitmapTimesRoman24)
 | 
						|
#  define GLUT_BITMAP_HELVETICA_10        (&glutBitmapHelvetica10)
 | 
						|
#  define GLUT_BITMAP_HELVETICA_12        (&glutBitmapHelvetica12)
 | 
						|
#  define GLUT_BITMAP_HELVETICA_18        (&glutBitmapHelvetica18)
 | 
						|
 | 
						|
FL_EXPORT void glutBitmapCharacter(void *font, int character);
 | 
						|
FL_EXPORT int glutBitmapWidth(void *font, int character);
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////
 | 
						|
// GLUT drawing functions.  These are NOT emulated but you can
 | 
						|
// link in the glut library to get them.  This assumes the object
 | 
						|
// files in GLUT remain as they currently are so that there are
 | 
						|
// not symbol conflicts with the above.
 | 
						|
 | 
						|
extern "C" {
 | 
						|
 | 
						|
extern int APIENTRY glutExtensionSupported(char *name);
 | 
						|
 | 
						|
/* Stroke font constants (use these in GLUT program). */
 | 
						|
#  ifdef WIN32
 | 
						|
#    define GLUT_STROKE_ROMAN		((void*)0)
 | 
						|
#    define GLUT_STROKE_MONO_ROMAN	((void*)1)
 | 
						|
#  else
 | 
						|
extern void *glutStrokeRoman;
 | 
						|
#    define GLUT_STROKE_ROMAN		(&glutStrokeRoman)
 | 
						|
extern void *glutStrokeMonoRoman;
 | 
						|
#    define GLUT_STROKE_MONO_ROMAN	(&glutStrokeMonoRoman)
 | 
						|
#  endif
 | 
						|
 | 
						|
/* GLUT font sub-API */
 | 
						|
extern void APIENTRY glutStrokeCharacter(void *font, int character);
 | 
						|
extern int APIENTRY glutStrokeWidth(void *font, int character);
 | 
						|
 | 
						|
/* GLUT pre-built models sub-API */
 | 
						|
extern void APIENTRY glutWireSphere(GLdouble radius, GLint slices, GLint stacks);
 | 
						|
extern void APIENTRY glutSolidSphere(GLdouble radius, GLint slices, GLint stacks);
 | 
						|
extern void APIENTRY glutWireCone(GLdouble base, GLdouble height, GLint slices, GLint stacks);
 | 
						|
extern void APIENTRY glutSolidCone(GLdouble base, GLdouble height, GLint slices, GLint stacks);
 | 
						|
extern void APIENTRY glutWireCube(GLdouble size);
 | 
						|
extern void APIENTRY glutSolidCube(GLdouble size);
 | 
						|
extern void APIENTRY glutWireTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings);
 | 
						|
extern void APIENTRY glutSolidTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings);
 | 
						|
extern void APIENTRY glutWireDodecahedron();
 | 
						|
extern void APIENTRY glutSolidDodecahedron();
 | 
						|
extern void APIENTRY glutWireTeapot(GLdouble size);
 | 
						|
extern void APIENTRY glutSolidTeapot(GLdouble size);
 | 
						|
extern void APIENTRY glutWireOctahedron();
 | 
						|
extern void APIENTRY glutSolidOctahedron();
 | 
						|
extern void APIENTRY glutWireTetrahedron();
 | 
						|
extern void APIENTRY glutSolidTetrahedron();
 | 
						|
extern void APIENTRY glutWireIcosahedron();
 | 
						|
extern void APIENTRY glutSolidIcosahedron();
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
#endif                  /* !__glut_h__ */
 | 
						|
 | 
						|
//
 | 
						|
// End of "$Id: glut.H 4288 2005-04-16 00:13:17Z mike $".
 | 
						|
//
 |