test/mandelbrot.h

   1 //
   2 // "$Id: mandelbrot.h 7913 2010-11-29 18:18:27Z greg.ercolano $"
   3 //
   4 // Mandelbrot set header file for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 #include <FL/Fl.H>
  29 #include <FL/Fl_Box.H>
  30 #include <FL/Fl_Slider.H>
  31 #include <FL/Fl_Double_Window.H>
  32 #include <FL/Fl_Input.H>
  33
  34 class Drawing_Area : public Fl_Box {
  35   void draw();
  36 public:
  37   uchar *buffer;
  38   int W,H;
  39   int nextline;
  40   int drawn;
  41   int julia;
  42   int iterations;
  43   int brightness;
  44   double jX, jY;
  45   double X,Y,scale;
  46   int sx, sy, sw, sh; // selection box
  47   void erase_box();
  48   int handle(int);
  49   void resize(int,int,int,int);
  50   void new_display();
  51   enum {
  52     MAX_BRIGHTNESS = 16,
  53     DEFAULT_BRIGHTNESS = 16,
  54     MAX_ITERATIONS = 14,
  55     DEFAULT_ITERATIONS = 7
  56   };
  57   Drawing_Area(int x,int y,int w,int h) : Fl_Box(x,y,w,h) {
  58     buffer = 0;
  59     W = w-6;
  60     H = h-8;
  61     nextline = 0;
  62     drawn = 0;
  63     julia = 0;
  64     X = Y = 0;
  65     scale = 4.0;
  66     iterations = 1<<DEFAULT_ITERATIONS;
  67     brightness = DEFAULT_BRIGHTNESS;
  68   }
  69   int idle();
  70 };
  71
  72 //
  73 // End of "$Id: mandelbrot.h 7913 2010-11-29 18:18:27Z greg.ercolano $".
  74 //