b475babf17
to prevent flicker when new users run test/demo programs. For details, see fltk.development thread started 04/16/09, "Subject: browser demo flicker". git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6772 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// Mandelbrot set header file for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 1998-2009 by Bill Spitzak and others.
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Library General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Library General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
// USA.
|
|
//
|
|
// Please report all bugs and problems on the following page:
|
|
//
|
|
// http://www.fltk.org/str.php
|
|
//
|
|
|
|
#include <FL/Fl.H>
|
|
#include <FL/Fl_Box.H>
|
|
#include <FL/Fl_Slider.H>
|
|
#include <FL/Fl_Double_Window.H>
|
|
#include <FL/Fl_Input.H>
|
|
|
|
class Drawing_Area : public Fl_Box {
|
|
void draw();
|
|
public:
|
|
uchar *buffer;
|
|
int W,H;
|
|
int nextline;
|
|
int drawn;
|
|
int julia;
|
|
int iterations;
|
|
int brightness;
|
|
double jX, jY;
|
|
double X,Y,scale;
|
|
int sx, sy, sw, sh; // selection box
|
|
void erase_box();
|
|
int handle(int);
|
|
void resize(int,int,int,int);
|
|
void new_display();
|
|
enum {
|
|
MAX_BRIGHTNESS = 16,
|
|
DEFAULT_BRIGHTNESS = 16,
|
|
MAX_ITERATIONS = 14,
|
|
DEFAULT_ITERATIONS = 7
|
|
};
|
|
Drawing_Area(int x,int y,int w,int h) : Fl_Box(x,y,w,h) {
|
|
buffer = 0;
|
|
W = w-6;
|
|
H = h-8;
|
|
nextline = 0;
|
|
drawn = 0;
|
|
julia = 0;
|
|
X = Y = 0;
|
|
scale = 4.0;
|
|
iterations = 1<<DEFAULT_ITERATIONS;
|
|
brightness = DEFAULT_BRIGHTNESS;
|
|
}
|
|
int idle();
|
|
};
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|