mirror of https://github.com/fltk/fltk
55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
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#include <FL/Fl.H>
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#include <FL/Fl_Box.H>
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#include <FL/Fl_Slider.H>
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Input.H>
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class Drawing_Window;
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class Drawing_Area : public Fl_Box {
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void draw();
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public:
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uchar *buffer;
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int W,H;
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int nextline;
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int drawn;
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int julia;
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int iterations;
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int brightness;
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double jX, jY;
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double X,Y,scale;
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int sx, sy, sw, sh; // selection box
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void erase_box();
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int handle(int);
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void resize(int,int,int,int);
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void new_display();
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enum {
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MAX_BRIGHTNESS = 16,
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DEFAULT_BRIGHTNESS = 16,
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MAX_ITERATIONS = 14,
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DEFAULT_ITERATIONS = 7
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};
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Drawing_Area(int x,int y,int w,int h) : Fl_Box(x,y,w,h) {
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buffer = 0;
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W = w-6;
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H = h-8;
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nextline = 0;
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drawn = 0;
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julia = 0;
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X = Y = 0;
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scale = 4.0;
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iterations = 1<<DEFAULT_ITERATIONS;
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brightness = DEFAULT_BRIGHTNESS;
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}
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int idle();
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};
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class Drawing_Window {
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public:
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Drawing_Area *d;
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Fl_Slider *gamma_slider;
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Fl_Input *x_input, *y_input, *w_input;
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Fl_Window *window;
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void update_label();
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};
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