e63e84a5df
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26543 a1c6a512-1295-4272-9138-f99709370657
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 Tomer Shalev
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _FRACTAL_SETS_H
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#define _FRACTAL_SETS_H
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#include "plugin.h"
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#if (LCD_DEPTH < 8)
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#define USEGSLIB
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#include "lib/grey.h"
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#else
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#include "lib/xlcd.h"
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#endif
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#include "lib/mylcd.h"
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#define DELTA 8 /* Panning moves 1/DELTA of screen */
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#define LCD_SHIFT_X (LCD_WIDTH / DELTA)
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#define LCD_SHIFT_Y (LCD_HEIGHT / DELTA)
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#define X_DELTA(x) (((x) * LCD_WIDTH) / DELTA)
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#define Y_DELTA(y) (((y) * LCD_HEIGHT) / DELTA)
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struct fractal_rect
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{
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int px_min;
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int py_min;
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int px_max;
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int py_max;
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int valid;
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};
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struct fractal_ops
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{
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void (*init)(void);
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int (*calc)(struct fractal_rect *rect, int (*button_yield_cb)(void *ctx),
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void *button_yield_ctx);
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void (*move)(int dx, int dy);
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int (*zoom)(int factor);
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int (*precision)(int d);
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};
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#endif
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