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//
// CubeView class definitions for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#ifndef CUBEVIEW_H
#define CUBEVIEW_H 1
#include <config.h>
#include <FL/Fl.H>
#if HAVE_GL
# include <FL/Fl_Gl_Window.H>
# include <FL/gl.h>
#else
# include <FL/Fl_Box.H>
#endif /* HAVE_GL */
#include <stdlib.h>
#if HAVE_GL
class CubeView : public Fl_Gl_Window {
#else
class CubeView : public Fl_Box {
#endif /* HAVE_GL */
public:
// this value determines the scaling factor used to draw the cube.
double size;
CubeView(int x,int y,int w,int h,const char *l=0);
/* Set the rotation about the vertical (y ) axis.
*
* This function is called by the horizontal roller in CubeViewUI and the
* initialize button in CubeViewUI.
*/
void v_angle(double angle){vAng=angle;}
// Return the rotation about the vertical (y ) axis.
double v_angle() const {return vAng;}
/* Set the rotation about the horizontal (x ) axis.
*
* This function is called by the vertical roller in CubeViewUI and the
* initialize button in CubeViewUI.
*/
void h_angle(double angle){hAng=angle;}
// the rotation about the horizontal (x ) axis.
double h_angle() const {return hAng;}
/* Sets the x shift of the cube view camera.
*
* This function is called by the slider in CubeViewUI and the
* initialize button in CubeViewUI.
*/
void panx(double x){xshift=x;}
/* Sets the y shift of the cube view camera.
*
* This function is called by the slider in CubeViewUI and the
* initialize button in CubeViewUI.
*/
void pany(double y){yshift=y;}
#if HAVE_GL
/*The widget class draw() override.
*
*The draw() function initialize Gl for another round o f drawing
* then calls specialized functions for drawing each of the
* entities displayed in the cube view.
*
*/
void draw();
#endif /* HAVE_GL */
private:
/* Draw the cube boundaries
*
*Draw the faces of the cube using the boxv[] vertices, using
* GL_LINE_LOOP for the faces. The color is \#defined by CUBECOLOR.
*/
#if HAVE_GL
void drawCube();
#else
void drawCube() { }
#endif /* HAVE_GL */
double vAng,hAng;
double xshift,yshift;
float boxv0[3];float boxv1[3];
float boxv2[3];float boxv3[3];
float boxv4[3];float boxv5[3];
float boxv6[3];float boxv7[3];
};
#endif
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