/*
Brotkopie in F_b
*/

 
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

/* Default dimensions */
#define IDIM 120
#define JDIM 160
#define MAXITER 500

#define CENTRE {-3,0}
#define CENTREX -20  /* small:cx=-5.385, y=0, r=.05*/
#define CENTREY 0        /*copy: cx=-3.8,cy=0,r=2.2 */
#define RADIUS 50   /* big :cx=-20,cy=0,r=50 */



FILE *ptcol,*outfpt;
int idim,jdim,redn,bluen,greenn;
int rotate,aux1,aux2,aux3,k;
int maxiter,max_a,max_b,min_a,min_b,aux;
int red[65536],green[65536],blue[65536];
int store[65536];
/*stores one line of the raster image file for writing later*/

main()

{

  char outfile[25];
 
 
  double centrex,centrey;
  double deltax,gx,gy,balt, calt, reeins, imeins, rezwei, imzwei, imteil, reteil, betrag, betrageins,deltay,startx,starty;
  double radius;

  double b,c,lambdar, lambdai;

 
  int j,k;


int i;
 double x_size, y_size;
 
  double re,im, imag, real;

  void printhex(int k);

  /* outputs a two digit hexadecimal number to the postscript file*/

x_size=IDIM;
y_size=JDIM;
  idim = IDIM;
  jdim = JDIM;
  rotate = (IDIM > JDIM) ? 0 : 1;
  maxiter = MAXITER;
  centrex = CENTREX;
  centrey = CENTREY;
  radius = RADIUS;
  lambdar=0.27334;         /*0.25939+0.00046i*/
lambdai=0.00742;


  printf("Please specify the name of the output file\n");
  scanf("%s",&outfile);
  strcat(outfile,".ps");
  printf("The outputfile will be called: %s\n",outfile);

  outfpt = fopen(outfile, "w");
  if(outfpt == NULL)
   {
     printf("Cannot open the file %s\n",outfile);
     exit(0);
   }

/*  fprintf(outfpt,"%!\n");*/
  fprintf(outfpt,"%%%%BoundingBox: 0 0 %d %d\n",idim, jdim);
  fprintf(outfpt,"%d %d scale\n",800,600);
  if (rotate == 0) {
    fprintf(outfpt,"/linebuf %d string def\n",3*jdim);
    fprintf(outfpt,"%d %d 8\n",jdim,idim);
    fprintf(outfpt,"[%d 0 0 -%d 0 %d]\n",idim,jdim,idim);
    fprintf(outfpt,"{currentfile linebuf readhexstring pop}\n");
    fprintf(outfpt,"false 3 colorimage\n");

 startx=centrex-radius;
starty=centrey-0.75*radius;
deltax=2*radius/x_size;
deltay=1.5*radius/y_size;

    for (i=0; i<idim; i++)
      {



        for (j=0; j<jdim; j++)
        {b =  startx+deltax*(idim-i);
	 c=  starty+deltay*j;
/*---------------------------------------------------------------------------------------------*/


aux=0;
re=0;
im=0;

for (k=0;k<maxiter;k++) {
real=re;
imag=im;
re=real*real-imag*imag+b;
im=2*real*imag+c;
 if (re*re+im*im > 4)
   {break;}


}



/* aux=255*((re)*(re)+im*im>4);
 if ((re)*(re)+im*im<400) aux=180;
 if ((re)*(re)+im*im<50) aux=120;
 if ((re)*(re)+im*im<7) aux=60;
 if ((re)*(re)+im*im<4) aux=0;*/
if (k==maxiter)  {aux1=0;aux2=0;aux3=0;}
 if (k<maxiter) {aux1=255;aux2=255;aux3=255;}       /*weiss*/
 if (k<0.04*maxiter) {aux1=255;aux2=255;aux3=0;}       /*gelb*/
/* if (k<0.018*maxiter) {aux1=255;aux2=51;aux3=0;
 if (k<0.015*maxiter) {aux1=255;aux2=0;aux3=0;}
 if (k<0.01*maxiter) {aux1=204;aux2=0;aux3=51;}
 if (k<0.009*maxiter)  {aux1=102;aux2=0;aux3=102;}
 if (k<0.008*maxiter) {aux1=153;aux2=0;aux3=255;}
 if (k<0.007*maxiter) {aux1=0;aux2=255;aux3=255;}
 if (k<0.006*maxiter) {aux1=0;aux2=255;aux3=51;}*/
 if (k<0.03*maxiter) {aux1=255;aux2=51;aux3=0;}         /*orange*/

 if (k<0.015*maxiter) {aux1=204;aux2=0;aux3=51;}       /*dunkelrot*/
 if (k<0.014*maxiter)  {aux1=102;aux2=0;aux3=102;}     /*violett*/
 if (k<0.013*maxiter) {aux1=153;aux2=0;aux3=255;}        /*blau*/
 if (k<0.012*maxiter) {aux1=0;aux2=255;aux3=255;}       
 if (k<.004*maxiter) {aux1=0;aux2=255;aux3=51;}
 if (k<0.4*maxiter) {aux1=255;aux2=255;aux3=0;}         /*gelb*/
 if (k<0.22*maxiter && k>0.16*maxiter) {aux1=255;aux2=255*(k/(0.06*maxiter)-0.16/0.06);aux3=0;}       /*gelb*/
 
if (k<0.16*maxiter) {aux1=255;aux2=0;aux3=0;}           /*rot*/
 if (k<0.08*maxiter)  {aux1=255-102*(-k/(maxiter*0.01)+0.08/0.01);aux2=0;aux3=102-102*(k/(maxiter*0.01)-0.07/0.01);}     /*violett*/
/*---------------------------------------------------------------------------------------------*/
 	    printhex(aux1);
	    printhex(aux2);
	    printhex(aux3);




	
    }
  }}


  else {
    fprintf(outfpt,"/linebuf %d string def\n",3*idim);
    fprintf(outfpt,"%d %d 8\n",idim,jdim);
    fprintf(outfpt,"[%d 0 0 -%d 0 %d]\n",jdim,idim,jdim);
    fprintf(outfpt,"{currentfile linebuf readhexstring pop}\n");
    fprintf(outfpt,"false 3 colorimage\n");

    startx = -.75*radius + centrex;
    starty = -1.0*radius + centrey;
    deltax = 1.5*radius/x_size;
    deltay = 2.0*radius/y_size;

    for (j=0; j<jdim; j++)
    {

      for (i=0; i<idim; i++)
      {
/*---------------------------------------------------------------------------------------------*/

b =  startx+deltax*i;
	 c=  starty+deltay*j;


aux=0;
balt=b;calt=c;
re=-1.0;
im=0.0;

for (k=0;k<50;k++) {                          /*Newtonverfahren*/
reeins=cos(-im)*exp(-re)+(b+b*re-c*im);
imeins=(c+c*re+b*im)+exp(-re)*sin(-im);
rezwei=2*b+b*re-c*im;
imzwei=2*c+c*re+b*im;
/*betrageins=(reeins*reeins+imeins*imeins)*exp(2*re);*/
betrag=rezwei*rezwei+imzwei*imzwei;
re=re-(reeins*rezwei+imeins*imzwei)/betrag;
im=im-(-reeins*imzwei+imeins*rezwei)/betrag;
imteil=im;
reteil=re;
}




for (k=0;k<100;k++) {
real=re-1+((b*re-c*im)*cos(im)-(c*re+b*im)*sin(im))*exp(re);
imag=im+((b*re-c*im)*sin(im)+(c*re+b*im)*cos(im))*exp(re);

 betrag=(real-(re)+1)*(real-(re)+1)+(imag-im)*(imag-im);
if (betrag<0.001) {break;}

re=real;
im=imag;

}
/*
real=re-1+((b*re-c*im)*cos(im)-(c*re+b*im)*sin(im))*exp(re);
imag=im+((b*re-c*im)*sin(im)+(c*re+b*im)*cos(im))*exp(re);
*/

aux=255*(betrag<0.001);
/*
gx=1+((b*re+b-c*im)*cos(im)-(c*re+c+b*im)*sin(im))*exp(re);
gy=((b*re+b-c*im)*sin(im)+(c*re+c+b*im)*cos(im))*exp(re);


if (b>0 &&  c*c<b*b*b*b && c*c<40 ) {
gx=-exp(1)*b/(b*b+c*c);
gy=+exp(1)*c/(b*b+c*c);

if (gx < -1.5708 && gy*gy < 4*gx*gx*log(-2*gx/3.1416)*log(-2*gx/3.1416)/(3.1416*3.1416)) {aux=255;} aux=128;}

if (b>0 &&  c*c<b*b*b*b && balt<0.03 && calt*calt<0.02*0.02) {
gx=-exp(1)*b/(b*b+c*c);
gy=+exp(1)*c/(b*b+c*c);

if (gx < -1.5708 && gy*gy < 4*gx*gx*log(-2*gx/3.1416)*log(-2*gx/3.1416)/(3.1416*3.1416)) {aux=255;} aux=128;}
*/
/*
if (aux==128) {aux=255;}*/


/*
if (c*c<4 && b>-1 && b<8) {aux=255;}
*/
 if (aux==255) {aux1=255;aux2=255;aux3=255;}
 if (aux==0) {aux1=0;aux2=0;aux3=0;}

 if (k<20) {aux1=255;aux2=255;aux3=0;}         /*gelb*/
/* if (k<12 && k>6) {aux1=255;aux2=255*(k/4-11/4);aux3=0;}       /*gelb*/
  if (k==13) {aux1=255;aux2=200;aux3=0;}      
  if (k==12) {aux1=255;aux2=150;aux3=0;}       
  if (k==11) {aux1=255;aux2=100;aux3=0;}     
  if (k==10) {aux1=255;aux2=50;aux3=0;}      
  if (k==9) {aux1=255;aux2=0;aux3=0;}     
if (k<9) {aux1=255;aux2=0;aux3=0;}  
         /*rot*/

 if (k<8) {aux1=225;aux2=0;aux3=25;}    
  if (k<6) {aux1=200;aux2=0;aux3=50;}
  if (k<4) {aux1=175;aux2=0;aux3=75;}
 /*if (k<2) {aux1=150;aux2=0;aux3=100;}

 /* if (k<4) {aux1=153;aux2=0;aux3=102;}   
  if (k==4) {aux1=125;aux2=0;aux3=125;}       
  if (k<4) {aux1=100;aux2=0;aux3=150;}     */




if (b>-1 && b<7.5 && c*c<4.8*(7.5-b)) {aux=128;}
if (b>-1.6 && b<7.5 && c==0) {aux=128;}
if (aux==128) {aux1=102;aux2=0;aux3=153;}







/*---------------------------------------------------------------------------------------------*/
 	    printhex(aux1);
	    printhex(aux2);
	    printhex(aux3);



	}
    }
  }







  fprintf(outfpt,"\n");
  fprintf(outfpt,"showpage\n");

  fclose(outfpt);
}



void printhex(int k)

{
if (k<16) fprintf(outfpt,"0%x",k);
else fprintf(outfpt,"%x",k);

}