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/* This file was taken from XaoS-the fast portable realtime interactive
fractal zoomer. but it is simplified for BB. You may get complette
sources at XaoS homepage (http://www.paru.cas.cz/~hubicka/XaoS
*/
/*
* XaoS, a fast portable realtime fractal zoomer
* Copyright (C) 1996,1997 by
*
* Jan Hubicka (hubicka@paru.cas.cz)
* Thomas Marsh (tmarsh@austin.ibm.com)
*
* 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 program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef ZOOM_H
#define ZOOM_H
#include "config.h"
#include "formulas.h"
#define CONTEXTMAGIC 1122
#define checkcontext(c) assert((c)->magic==CONTEXTMAGIC)
struct realloc_s {
number_t possition;
number_t price;
int plus;
int recalculate;
int symto;
int symref;
int dirty;
#ifdef __GNUC__
#ifdef __STDC__
/*__STRICT_ANSI__*/
char dummy[((32 - sizeof(int) * 5 - ((int) (sizeof(number_t) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) < 0 ? 0 :
(32 - sizeof(int) * 5 - ((int) (sizeof(number_t) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)))]; /*make it 32 byte aligned */
#endif
#endif
};
typedef struct realloc_s realloc_t;
typedef struct {
number_t pre, pim;
number_t *xpos, *ypos;
void (*switch_function) (void);
void (*wait_function) (void);
int magic;
unsigned char *vbuff, *back;
unsigned char *svbuff, *sback;
realloc_t *reallocx, *reallocy;
struct formula *currentformula;
int pos, max;
char *pass;
int stereogram;
int maxiter, coloringmode, incoloringmode;
int mandelbrot;
int fullscreen;
int plane;
int dirty;
int range;
int incalculation;
int readyforinterrupt;
int uncomplette;
int num_colors;
int width, height;
int scanline;
int interrupt;
unsigned char colors[MAXCOLORS];
unsigned char cmap[3][MAXCOLORS];
float pixelwidth, pixelheight;
float windowwidth, windowheight;
vinfo s;
} zoom_context;
void do_fractal(zoom_context *, int);
void do_julia(zoom_context *, number_t, number_t);
void set_formula(zoom_context *, CONST int);
int resize_to(zoom_context *, CONST int, CONST int, CONST int, char *, char *, double, double);
void set_view(zoom_context *, CONST vinfo *);
void free_context(zoom_context *);
void enable_stereogram(zoom_context *);
void disable_stereogram(zoom_context *);
void init_tables(zoom_context *);
void rotate_palette(zoom_context *, int direction);
zoom_context *make_context(CONST int, CONST int, CONST int, CONST int, CONST int, void (*)(void), void (*)(void), char *, char *, double, double);
#endif /* ZOOM_H */
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