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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 Tomer Shalev
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _FRACTAL_SETS_H
#define _FRACTAL_SETS_H
#include "plugin.h"
#if (LCD_DEPTH < 8)
#define USEGSLIB
#include "lib/grey.h"
#else
#include "lib/xlcd.h"
#endif
#include "lib/mylcd.h"
#define DELTA 8 /* Panning moves 1/DELTA of screen */
#define LCD_SHIFT_X (LCD_WIDTH / DELTA)
#define LCD_SHIFT_Y (LCD_HEIGHT / DELTA)
#define X_DELTA(x) (((x) * LCD_WIDTH) / DELTA)
#define Y_DELTA(y) (((y) * LCD_HEIGHT) / DELTA)
struct fractal_rect
{
int px_min;
int py_min;
int px_max;
int py_max;
int valid;
};
struct fractal_ops
{
void (*init)(void);
int (*calc)(struct fractal_rect *rect, int (*button_yield_cb)(void *ctx),
void *button_yield_ctx);
void (*move)(int dx, int dy);
int (*zoom)(int factor);
int (*precision)(int d);
};
#endif
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