home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Resource Library: Graphics
/
graphics-16000.iso
/
msdos
/
fractal
/
fractint
/
src
/
fractint.h
< prev
next >
Wrap
Text File
|
1991-05-18
|
19KB
|
566 lines
/* FRACTINT.H - common structures and values for the FRACTINT routines */
#ifndef C6
#define _fastcall /* _fastcall is a Microsoft C6.00 extension */
#endif
#ifdef __TURBOC__
# define _bios_printer(a,b,c) biosprint((a),(c),(b))
# define _bios_serialcom(a,b,c) bioscom((a),(c),(b))
#else
# define MK_FP(seg,off) (void far *)( (((long)(seg))<<16) | \
((unsigned)(off)) )
#endif
#define MAXPIXELS 2048 /* Maximum pixel count across/down the screen */
#define SCREENASPECT 0.75 /* Assumed overall screen dimensions, y/x */
struct videoinfo { /* All we need to know about a Video Adapter */
char name[26]; /* Adapter name (IBM EGA, etc) */
char comment[26]; /* Comments (UNTESTED, etc) */
int keynum; /* key number used to invoked this mode */
/* 2-10 = F2-10, 11-40 = S,C,A{F1-F10} */
int videomodeax; /* begin with INT 10H, AX=(this) */
int videomodebx; /* ...and BX=(this) */
int videomodecx; /* ...and CX=(this) */
int videomodedx; /* ...and DX=(this) */
/* NOTE: IF AX==BX==CX==0, SEE BELOW */
int dotmode; /* video access method used by asm code */
/* 1 == BIOS 10H, AH=12,13 (SLOW) */
/* 2 == access like EGA/VGA */
/* 3 == access like MCGA */
/* 4 == Tseng-like SuperVGA*256 */
/* 5 == P'dise-like SuperVGA*256 */
/* 6 == Vega-like SuperVGA*256 */
/* 7 == "Tweaked" IBM-VGA ...*256 */
/* 8 == "Tweaked" SuperVGA ...*256 */
/* 9 == Targa Format */
/* 10 = Hercules */
/* 11 = "disk video" (no screen) */
/* 12 = 8514/A */
/* 13 = CGA 320x200x4, 640x200x2 */
/* 14 = Tandy 1000 */
/* 15 = TRIDENT SuperVGA*256 */
/* 16 = Chips&Tech SuperVGA*256 */
int xdots; /* number of dots across the screen */
int ydots; /* number of dots down the screen */
int colors; /* number of colors available */
};
#define INFO_ID "Fractal"
#define FRACTAL_INFO struct fractal_info
struct fractal_info /* for saving data in GIF file */
{
char info_id[8]; /* Unique identifier for info block */
int iterations;
int fractal_type; /* 0=Mandelbrot 1=Julia 2= ... */
double xmin;
double xmax;
double ymin;
double ymax;
double creal;
double cimag;
int videomodeax;
int videomodebx;
int videomodecx;
int videomodedx;
int dotmode;
int xdots;
int ydots;
int colors;
int version; /* used to be 'future[0]' */
float parm3;
float parm4;
float potential[3];
int rseed;
int rflag;
int biomorph;
int inside;
int logmap;
float invert[3];
int decomp[2];
int symmetry;
/* version 2 stuff */
int init3d[16];
int previewfactor;
int xtrans;
int ytrans;
int red_crop_left;
int red_crop_right;
int blue_crop_left;
int blue_crop_right;
int red_bright;
int blue_bright;
int xadjust;
int eyeseparation;
int glassestype;
/* version 3 stuff, release 13 */
int outside;
/* version 4 stuff, release 14 */
double x3rd; /* 3rd corner */
double y3rd;
char stdcalcmode; /* 1/2/g/b */
char useinitorbit; /* init Mandelbrot orbit flag */
int calc_status; /* resumable, finished, etc */
long tot_extend_len; /* total length of extension blocks in .gif file */
int distest;
int floatflag;
int bailout;
long calctime;
unsigned char trigndx[4]; /* which trig functions selected */
int finattract;
double initorbit[2]; /* init Mandelbrot orbit values */
int periodicity; /* periodicity checking */
/* version 5 stuff, release 15 */
int pot16bit; /* save 16 bit continuous potential info */
float faspectratio; /* finalaspectratio, y/x */
int system; /* 0 for dos, 1 for windows */
int release; /* release number, with 2 decimals implied */
int flag3d; /* stored only for now, for future use */
int transparent[2];
int ambient;
int haze;
int randomize;
/* version 6 stuff, release 15.x */
int rotate_lo;
int rotate_hi;
int distestwidth;
/* version 7 stuff, release 16 */
double dparm3;
double dparm4;
int future[32]; /* for stuff we haven't thought of yet */
};
#define MAXVIDEOMODES 300 /* maximum entries in fractint.cfg */
#define MAXVIDEOTABLE 40 /* size of the resident video modes table */
#if defined(PUTTHEMHERE) /* this MUST be defined ONLY in FRACTINT.C */
struct videoinfo videoentry;
#else
extern struct videoinfo videoentry;
#endif
#define NUMIFS 32 /* number of ifs functions in ifs array */
#define IFSPARM 7 /* number of ifs parameters */
#define IFS3DPARM 13 /* number of ifs 3D parameters */
#define ITEMNAMELEN 18 /* max length of names in .frm/.l/.ifs/.fc */
/* defines for symmetry */
#define NOSYM 0
#define XAXIS_NOPARM -1
#define XAXIS 1
#define YAXIS_NOPARM -2
#define YAXIS 2
#define XYAXIS_NOPARM -3
#define XYAXIS 3
#define ORIGIN_NOPARM -4
#define ORIGIN 4
#define PI_SYM_NOPARM -5
#define PI_SYM 5
#define XAXIS_NOIMAG -6
#define XAXIS_NOREAL 6
#define NOPLOT 99
#define SETUP_SYM 100
/* bitmask defines for fractalspecific flags */
#define NOZOOM 1 /* zoombox not allowed at all */
#define NOGUESS 2 /* solid guessing not allowed */
#define NOTRACE 4 /* boundary tracing not allowed */
#define NOROTATE 8 /* zoombox rotate/stretch not allowed */
#define NORESUME 16 /* can't interrupt and resume */
#define INFCALC 32 /* this type calculates forever */
#define TRIG1 64 /* number of trig functions in formula*/
#define TRIG2 128
#define TRIG3 192
#define TRIG4 256
#define WINFRAC 512 /* supported in WinFrac */
#define PARMS3D 1024 /* uses 3d parameters */
#define AUTOINVERT -123456.789
#define N_ATTR 8 /* max number of attractors */
struct fractalspecificstuff
{
char *name; /* name of the fractal */
char *param[4]; /* name of the parameters */
float paramvalue[4]; /* default parameter values */
int helptext; /* helpdefs.h HT_xxxx, -1 for none */
int helpformula; /* helpdefs.h HF_xxxx, -1 for none */
int flags; /* constraints, bits defined above */
float xmin; /* default XMIN corner */
float xmax; /* default XMAX corner */
float ymin; /* default YMIN corner */
float ymax; /* default YMAX corner */
int isinteger; /* 1 if integerfractal, 0 otherwise */
int tojulia; /* mandel-to-julia switch */
int tomandel; /* julia-to-mandel switch */
int tofloat; /* integer-to-floating switch */
int symmetry; /* applicable symmetry logic
0 = no symmetry
-1 = y-axis symmetry (If No Params)
1 = y-axis symmetry
-2 = x-axis symmetry (No Parms)
2 = x-axis symmetry
-3 = y-axis AND x-axis (No Parms)
3 = y-axis AND x-axis symmetry
-4 = polar symmetry (No Parms)
4 = polar symmetry
5 = PI (sin/cos) symmetry
6 = NEWTON (power) symmetry
*/
int (*orbitcalc)(); /* function that calculates one orbit */
int (*per_pixel)(); /* once-per-pixel init */
int (*per_image)(); /* once-per-image setup */
int (*calctype)(); /* name of main fractal function */
int orbit_bailout; /* usual bailout value for orbit calc */
};
extern struct fractalspecificstuff far fractalspecific[];
extern struct fractalspecificstuff far *curfractalspecific;
#if defined(PUTTHEMHERE) /* this MUST be defined ONLY in FRACTINT.C */
int helpmode;
#else
extern int helpmode;
#endif
#define DEFAULTFRACTALTYPE ".gif"
#define ALTERNATEFRACTALTYPE ".fra"
#include <math.h>
#ifndef _LCOMPLEX_DEFINED
struct lcomplex {
long x, y;
};
#define _LCOMPLEX_DEFINED
#endif
#ifndef sqr
#define sqr(x) ((x)*(x))
#endif
#ifndef lsqr
#define lsqr(x) (multiply((x),(x),bitshift))
#endif
#define CMPLXmod(z) (sqr((z).x)+sqr((z).y))
#define CMPLXconj(z) ((z).y = -((z).y))
#define LCMPLXmod(z) (lsqr((z).x)+lsqr((z).y))
#define LCMPLXconj(z) ((z).y = -((z).y))
typedef struct complex CMPLX;
typedef struct lcomplex LCMPLX;
/* 3D stuff - formerly in 3d.h */
#ifndef dot_product
#define dot_product(v1,v2) ((v1)[0]*(v2)[0]+(v1)[1]*(v2)[1]+(v1)[2]*(v2)[2]) /* TW 7-09-89 */
#endif
#define CMAX 4 /* maximum column (4 x 4 matrix) */
#define RMAX 4 /* maximum row (4 x 4 matrix) */
#define DIM 3 /* number of dimensions */
typedef double MATRIX [RMAX] [CMAX]; /* matrix of doubles */
typedef int IMATRIX [RMAX] [CMAX]; /* matrix of ints */
typedef long LMATRIX [RMAX] [CMAX]; /* matrix of longs */
/* A MATRIX is used to describe a transformation from one coordinate
system to another. Multiple transformations may be concatenated by
multiplying their transformation matrices. */
typedef double VECTOR [DIM]; /* vector of doubles */
typedef int IVECTOR [DIM]; /* vector of ints */
typedef long LVECTOR [DIM]; /* vector of longs */
/* A VECTOR is an array of three coordinates [x,y,z] representing magnitude
and direction. A fourth dimension is assumed to always have the value 1, but
is not in the data structure */
#define PI 3.14159265358979323846
#define SPHERE init3d[0] /* sphere? 1 = yes, 0 = no */
#define ILLUMINE (FILLTYPE>4) /* illumination model */
/* regular 3D */
#define XROT init3d[1] /* rotate x-axis 60 degrees */
#define YROT init3d[2] /* rotate y-axis 90 degrees */
#define ZROT init3d[3] /* rotate x-axis 0 degrees */
#define XSCALE init3d[4] /* scale x-axis, 90 percent */
#define YSCALE init3d[5] /* scale y-axis, 90 percent */
/* sphere 3D */
#define PHI1 init3d[1] /* longitude start, 180 */
#define PHI2 init3d[2] /* longitude end , 0 */
#define THETA1 init3d[3] /* latitude start,-90 degrees */
#define THETA2 init3d[4] /* latitude stop, 90 degrees */
#define RADIUS init3d[5] /* should be user input */
/* common parameters */
#define ROUGH init3d[6] /* scale z-axis, 30 percent */
#define WATERLINE init3d[7] /* water level */
#define FILLTYPE init3d[8] /* fill type */
#define ZVIEWER init3d[9] /* perspective view point */
#define XSHIFT init3d[10] /* x shift */
#define YSHIFT init3d[11] /* y shift */
#define XLIGHT init3d[12] /* x light vector coordinate */
#define YLIGHT init3d[13] /* y light vector coordinate */
#define ZLIGHT init3d[14] /* z light vector coordinate */
#define LIGHTAVG init3d[15] /* number of points to average */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
struct workliststuff /* work list entry for std escape time engines */
{
int xxstart; /* screen window for this entry */
int xxstop;
int yystart;
int yystop;
int yybegin; /* start row within window, for 2pass/ssg resume */
int sym; /* if symmetry in window, prevents bad combines */
int pass; /* for 2pass and solid guessing */
};
#define MAXCALCWORK 12
extern unsigned char trigndx[];
extern void (*ltrig0)(), (*ltrig1)(), (*ltrig2)(), (*ltrig3)();
extern void (*dtrig0)(), (*dtrig1)(), (*dtrig2)(), (*dtrig3)();
struct trig_funct_lst
{
char *name;
void (*lfunct)();
void (*dfunct)();
void (*mfunct)();
} ;
extern struct trig_funct_lst trigfn[];
/* function prototypes */
extern void buzzer(int);
extern int calcfract(void);
extern int calcmand(void);
extern int check_key(void);
extern int complex_mult(CMPLX, CMPLX, CMPLX *);
extern int complex_div(CMPLX, CMPLX, CMPLX *);
extern int complex_power(CMPLX, int, CMPLX *);
extern int cross_product(double [], double [], double []);
extern void drawbox(int);
extern unsigned int emmallocate(unsigned int);
extern void emmclearpage(unsigned int, unsigned int);
extern void emmdeallocate(unsigned int);
extern unsigned int emmgetfree(void);
extern void emmgetpage(unsigned int, unsigned int);
extern unsigned char far *emmquery(void);
extern far_strlen( char far *);
extern far_strcpy( char far *, char far *);
extern far_strcmp( char far *, char far *);
extern far_stricmp(char far *, char far *);
extern far_strnicmp(char far *, char far *,int);
extern far_strcat( char far *, char far *);
extern far_memset( void far *, char , int);
extern far_memcpy( void far *, void far *, int);
extern far_memcmp( void far *, void far *, int);
extern far_memicmp(void far *, void far *, int);
extern void far *farmemalloc(long);
extern void farmemfree(void far *);
extern int getakey(void);
extern int _fastcall getcolor(int, int);
extern void _fastcall putcolor(int, int, int);
extern void (_fastcall *plot)(int, int, int);
extern void _fastcall symPIplot(int,int,int);
extern void _fastcall symPIplot2J(int,int,int);
extern void _fastcall symPIplot4J(int,int,int);
extern void _fastcall symplot2(int,int,int);
extern void _fastcall symplot2Y(int,int,int);
extern void _fastcall symplot2J(int,int,int);
extern void _fastcall symplot4(int,int,int);
extern void _fastcall symplot2basin(int,int,int);
extern void _fastcall symplot4basin(int,int,int);
extern void _fastcall noplot(int,int,int);
extern void _fastcall draw_line(int,int,int,int,int);
extern int has_8087(void );
extern void putstring(int,int,int,unsigned char far *);
extern int putstringcenter(int,int,int,int,char far *);
extern int stopmsg(int,unsigned char far *);
extern void identity(MATRIX);
extern int Juliafp(void);
extern int longvmultpersp(LVECTOR, LMATRIX, LVECTOR, LVECTOR, LVECTOR, int);
extern int longpersp(LVECTOR, LVECTOR,int);
extern int Lambda(void);
extern int Lambdasine(void);
extern void mat_mul(MATRIX, MATRIX, MATRIX);
extern void main(int, char *[]);
extern int Mandelfp(void);
extern long multiply(long, long, int);
extern long divide(long, long, int);
extern int Newton(void);
extern int perspective(double *v);
extern void cdecl Print_Screen(void);
extern void scale(double, double, double, MATRIX);
extern void setvideomode(int, int, int, int);
extern int Sierpinski(void);
extern void spindac(int, int);
extern void trans(double, double, double, MATRIX);
extern int vmult(VECTOR,MATRIX,VECTOR);
extern void xrot(double, MATRIX);
extern void yrot(double, MATRIX);
extern void zrot(double, MATRIX);
extern void (_fastcall *standardplot)(int,int,int);
extern void _fastcall plot3dsuperimpose16b(int,int,int);
extern void _fastcall plot3dsuperimpose16(int,int,int);
extern void _fastcall plot3dsuperimpose256(int,int,int);
extern void _fastcall plotIFS3dsuperimpose256(int,int,int);
extern void _fastcall plot3dalternate(int,int,int);
/* for overlay return stack */
#define ENTER_OVLY(ovlyid)\
extern int active_ovly;\
int prev_ovly;\
prev_ovly = active_ovly;\
active_ovly = ovlyid
#define EXIT_OVLY active_ovly = prev_ovly
#define OVLY_MISCOVL 1
#define OVLY_CMDFILES 2
#define OVLY_HELP 3
#define OVLY_PROMPTS 4
#define OVLY_LOADFILE 5
#define OVLY_ROTATE 6
#define OVLY_PRINTER 7
#define OVLY_LINE3D 8
#define OVLY_ENCODER 9
#define OVLY_CALCFRAC 10
#define OVLY_INTRO 11
/* keys */
#define INSERT 1082
#define DELETE 1083
#define PAGE_UP 1073
#define PAGE_DOWN 1081
#define CTL_HOME 1119
#define CTL_END 1117
#define LEFT_ARROW 1075
#define RIGHT_ARROW 1077
#define UP_ARROW 1072
#define DOWN_ARROW 1080
#define LEFT_ARROW_2 1115
#define RIGHT_ARROW_2 1116
#define UP_ARROW_2 1141
#define DOWN_ARROW_2 1145
#define HOME 1071
#define END 1079
#define ENTER 13
#define ENTER_2 1013
#define TAB 9
#define ESC 27
#define SPACE 32
#define F1 1059
#define F2 1060
#define F3 1061
#define F4 1062
#define F5 1063
#define F6 1064
#define F7 1065
#define F8 1066
#define F9 1067
#define F10 1068
/* text colors */
#define BLACK 0
#define BLUE 1
#define GREEN 2
#define CYAN 3
#define RED 4
#define MAGENTA 5
#define BROWN 6 /* dirty yellow on cga */
#define WHITE 7
/* use values below this for foreground only, they don't work background */
#define GRAY 8 /* don't use this much - is black on cga */
#define L_BLUE 9
#define L_GREEN 10
#define L_CYAN 11
#define L_RED 12
#define L_MAGENTA 13
#define YELLOW 14
#define L_WHITE 15
#define INVERSE 0x8000 /* when 640x200x2 text or mode 7, inverse */
#define BRIGHT 0x4000 /* when mode 7, bright */
/* and their use: */
extern unsigned char txtcolor[];
#define C_TITLE txtcolor[0]+BRIGHT
#define C_TITLE_DEV txtcolor[1]
#define C_HELP_HDG txtcolor[2]+BRIGHT
#define C_HELP_BODY txtcolor[3]
#define C_HELP_INSTR txtcolor[4]
#define C_HELP_LINK txtcolor[5]+BRIGHT
#define C_HELP_CURLINK txtcolor[6]+INVERSE
#define C_PROMPT_BKGRD txtcolor[7]
#define C_PROMPT_TEXT txtcolor[8]
#define C_PROMPT_LO txtcolor[9]
#define C_PROMPT_MED txtcolor[10]
#define C_PROMPT_HI txtcolor[11]+BRIGHT
#define C_PROMPT_INPUT txtcolor[12]+INVERSE
#define C_PROMPT_CHOOSE txtcolor[13]+INVERSE
#define C_CHOICE_CURRENT txtcolor[14]+INVERSE
#define C_CHOICE_SP_INSTR txtcolor[15]
#define C_CHOICE_SP_KEYIN txtcolor[16]+BRIGHT
#define C_GENERAL_HI txtcolor[17]+BRIGHT
#define C_GENERAL_MED txtcolor[18]
#define C_GENERAL_LO txtcolor[19]
#define C_GENERAL_INPUT txtcolor[20]+INVERSE
#define C_DVID_BKGRD txtcolor[21]
#define C_DVID_HI txtcolor[22]+BRIGHT
#define C_DVID_LO txtcolor[23]
#define C_STOP_ERR txtcolor[24]+BRIGHT
#define C_STOP_INFO txtcolor[25]+BRIGHT
#define C_TITLE_LOW txtcolor[26]
#define C_AUTHDIV1 txtcolor[27]+INVERSE
#define C_AUTHDIV2 txtcolor[28]+INVERSE
#define C_PRIMARY txtcolor[29]
#define C_CONTRIB txtcolor[30]
/* structure passed to fullscreen_prompts */
struct fullscreenvalues
{
int type; /* 'd' for decimal, 's' for string, '*' for comment */
/* 'i' for integer, 'y' for yes=1 no=0 */
/* 0x100+n for string of length n */
/* 'l' for one of a list of strings */
union
{
double dval; /* when type 'd' or 'f' */
int ival; /* when type is 'i' */
char sval[16]; /* when type is 's' */
char *sbuf; /* when type is 0x100+n */
struct { /* when type is 'l' */
int val; /* selected choice */
int vlen; /* char len per choice */
char **list; /* list of values */
int llen; /* number of values */
} ch;
} uval;
};