// FAPA.C                    Copyright (c) TrSek alias Zdeno Sekerak 
// Program ktory nazorne ukazuje sposob miesania farieb na zaklade   
// tychto metod: RGB, CMY, HSV alebo HLS.                            
// Vsetko je nazorne popasane a je mozne online menit hodnoty.       
//                                                                   
// Datum:14.12.1994                             http://www.trsek.com 

#include <string.h>
#include <graphics.h>
#include <dos.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <alloc.h>
#include <math.h>
#include <time.h>

#include "help.h"
#include "mys.h"

char *tex[]={"ESC-Exit","F1-Help","","F3-RGB","F4-CMY","F5-HSV",
	     "F6-HLS","F7-GRAY","F8-Old","F9-FAPA"};

char *col[][3]={{"BLUE","GREEN","RED"},{"YELLOW","MAGENTA","CYAN"},{"HUGE","SATURATION","VOLUME"},
	      {"HUGE","SYTOST","LIGHT"},{"GRAY","",""},{"","",""},
	      {"OLD","OLD","OLD"}};

void GetPath(char* cesta,char* args);
char* JoinPath(char* cesta,char* subor);

void uvod( int );
void fapa( void );
void butfree( int, int, int, int, int, int);
void butput ( int, int, int, int, int, int);
void button ( int, int );
void movbut ( int, int );
void uvod_kre( int , int);
void prac_obr( void );
int  vykonat(char *);
void init_pot( void );
void oz_col  ( void );
void get_rgb ( float * , int );
void put_rgb ( float * , int );
void prev_to_rgb ( void );
void prev_from_rgb ( void );
int  help  ( void );
void press ( void );
void change( int );
void duha  ( void );
int  minmax( int , int , int , int );
void zhasni( void );
int  strana( int , int , char * , FILE * );

unsigned far *butmap;
float butony[4],oldbut[4];
int inbut,akcol,typpa,old_akcol,po;
int gmaxx,gmaxy;
char cesta[128];

void main(int argv, char* args[])
{
int i,y;
int ch;
int but,xm,ym;
int pomer,pomy;
float oldc[256][3];
unsigned size;
int drv = DETECT, mode = 0 ;
char kam[128];

  // zisti cestu spustania
  GetPath(cesta, args[0]);

  detectgraph( &drv, &mode );
  initgraph( &drv, &mode, JoinPath(cesta, "egavga.bgi"));
  setbkcolor(BLUE);
  cleardevice();

  gmaxx=getmaxx();gmaxy=getmaxy();
  size=imagesize(gmaxx-89,137,gmaxx-80,151);
  butmap=(unsigned int far*) _graphgetmem(size);
  if (butmap==NULL) inbut=0;
	       else inbut=1;

  uvod_kre(1,0);
  for (i=0;i<=getmaxcolor();i++) get_rgb(oldc[i],i);
  oldc[0][1]=0;oldc[0][2]=0;oldc[0][3]=0;

  ch=0;randomize();
  do {
    for (i=0;i<=getmaxcolor();i++) {
     if ((i!=RED) && (i!=YELLOW) && (i!=BLUE)) {
	butony[1]=random(gmaxy-206);
	butony[2]=random(gmaxy-206);
	butony[3]=random(gmaxy-206);
	put_rgb(butony,i);
	}
    }

    //sound(random(1000));
    delay(100);nosound();
    if (kbhit()) ch=getch();
  } while (ch!=13);

  zhasni();
  prac_obr();
  butony[1]=1;butony[2]=1;butony[3]=1;
  oldbut[1]=1;oldbut[2]=1;oldbut[3]=1;
  getimage(gmaxx-89,137,gmaxx-80,151,butmap);
  typpa=3;akcol=0;old_akcol=0;
  button(typpa,1);
  init_mys();
  po=0;

  for (i=0;i<=getmaxcolor();i++)
  {
    butony[1]=oldc[i][1];butony[2]=oldc[i][2];butony[3]=oldc[i][3];
    put_rgb(butony,i);
  }

  oz_col();
  do {
    zobmys(1);
    getmys( &but, &xm, &ym );

   if (but==2) {
      ch=27;button(0,1);
   }

   if (but==1) {
      zobmys(0);
      if ((ym<=40) && (ym>=15)) {
	if ((xm>=20)  && (xm<=70))  { button(0,1);ch=27; }
	if ((xm>=81)  && (xm<=131)) { button(1,1);help();button(1,0);}
	if ((xm>=203) && (xm<=253)) { button(typpa,0);change(0);button(3,1);}
	if ((xm>=264) && (xm<=304)) { button(typpa,0);change(1);button(4,1);}
	if ((xm>=325) && (xm<=365)) { button(typpa,0);change(2);button(5,1);}
	if ((xm>=386) && (xm<=426)) { button(typpa,0);change(3);button(6,1);}
	if ((xm>=447) && (xm<=487)) {
	    if (vykonat("Prekonvertovaœ na çed£ çk lu.")) {
				   button(typpa,0);button(7,1);
				   for (i=0;i<=getmaxcolor();i++)
					{akcol=i;oz_col();
					 butony[1]=i*((gmaxy-206)/getmaxcolor());
					 butony[2]=butony[1];butony[3]=butony[1];
					 butony[1]=butony[2];
					 oldbut[3]=butony[2];oldbut[2]=butony[2];
					 oldbut[1]=butony[2];
					 movbut(1,0);}
				   akcol=0;duha();oz_col();change(4);button(7,1);}}
	if ((xm>=508) && (xm<=548)) {
	    if (vykonat("Vr tiœ p“vodn‚ farby.")) {
				   button(typpa,0);button(8,1);change(6);
				   for (i=0;i<=getmaxcolor();i++) {
				    butony[1]=oldc[i][1];butony[2]=oldc[i][2];butony[3]=oldc[i][3];
				    oldbut[1]=oldc[i][1];oldbut[2]=oldc[i][2];oldbut[3]=oldc[i][3];
				    akcol=i;
				    movbut(1,0);
				    }
				   duha();typpa=3;akcol=0;oz_col();change(0);
				   button(8,0);
				   button(3,1);}}
	if ((xm>=569) && (xm<=609)) {button(9,1);fapa();button(9,0);}
      }

    if ((ym<=gmaxy-50) && (ym>=135)) {
     xm=gmaxx-xm;
     if ((xm<=93) && (xm>=77)) {
	do {
	set_mys(gmaxx-20,gmaxy/2);
	getmys( &but, &xm, &ym);
	if (ym<gmaxy/2) for (i=ym;i<=gmaxy/2;i=i+2) movbut(3,-2);
	if (ym>gmaxy/2) for (i=gmaxy/2;i<=ym;i=i+2) movbut(3, 2);
	} while (but==1);
	set_mys(gmaxx-80,140);
	ym=0;xm=0; }
     if ((xm<=64) && (xm>=48)) {
	do {
	set_mys(gmaxx-50,gmaxy/2);
	getmys( &but, &xm, &ym);
	if (ym<gmaxy/2) for (i=ym;i<=gmaxy/2;i=i+2) movbut(2,-2);
	if (ym>gmaxy/2) for (i=gmaxy/2;i<=ym;i=i+2) movbut(2, 2);
	} while (but==1);
	set_mys(gmaxx-50,140);
	ym=0;xm=0; }
     if ((xm<=35) && (xm>=20)) {
	do {
	set_mys(gmaxx-25,gmaxy/2);
	getmys( &but, &xm, &ym);
	if (ym<gmaxy/2) for (i=ym;i<=gmaxy/2;i=i+2) movbut(1,-2);
	if (ym>gmaxy/2) for (i=gmaxy/2;i<=ym;i=i+2) movbut(1, 2);
	} while (but==1);
	set_mys(gmaxx-25,140);
	ym=0;xm=0; }
	xm=gmaxx-xm;
      }
    if ((ym>=55) && (ym<=gmaxy-50))
      if ((xm>=20) && (xm<=gmaxx-107)) {
	pomer=((gmaxx-127)/16);
	pomy=getmaxcolor()/16+1;
	ym=ym/((gmaxy-127)/pomy);
	xm=(xm-20)/pomer+ym*16;
	if ((xm>=0) && (xm<=15)) {akcol=ym*16+xm;oz_col();}
	}
    zobmys(1);
    }
if (kbhit()) ch=getch();
	else if (ch!=27) ch=1;

if (ch==27) button(0,1);
if ((ch==113) || (ch==81)) movbut(3,-2);	          /*pre Q*/
if ((ch==119) || (ch==86)) movbut(2,-2);		  /*pre W*/
if ((ch==101) || (ch==69)) movbut(1,-2);	          /*pre E*/
if ((ch==97 ) || (ch==65)) movbut(3, 2);	 	  /*pre A*/
if ((ch==115) || (ch==83)) movbut(2, 2);	 	  /*pre S*/
if ((ch==100) || (ch==68)) movbut(1, 2);	 	  /*pre D*/

if (ch==0)
   {
   if (kbhit) {
     zobmys(0);
     ch=getch();
     switch (ch) {
      case 59: button(1,1);help();button(1,0);break;
      case 61: button(typpa,0);change(0);button(3,1);break;
      case 62: button(typpa,0);change(1);button(4,1);break;
      case 63: button(typpa,0);change(2);button(5,1);break;
      case 64: button(typpa,0);change(3);button(6,1);break;
      case 65: if (vykonat("Prekonvertovaœ na çed£ çk lu.")) {
	       button(typpa,0);button(7,1);
			       for (i=0;i<=getmaxcolor();i++) {
				 butony[1]=i*((gmaxy-206)/getmaxcolor());
				 butony[2]=butony[1];butony[3]=butony[1];
				 butony[1]=butony[2];
				 oldbut[3]=butony[2];oldbut[2]=butony[2];
				 oldbut[1]=butony[2];
				 movbut(1,0);akcol=i;oz_col();}
		duha();akcol=0;oz_col();change(4);button(7,1);
		} break;
      case 66: if (vykonat("Vr tiœ p“vodn‚ farby.")) {
	       button(typpa,0);button(8,1);change(6);
		   for (i=0;i<=getmaxcolor();i++) {
		    butony[1]=oldc[i][1];butony[2]=oldc[i][2];butony[3]=oldc[i][3];
		    oldbut[1]=oldc[i][1];oldbut[2]=oldc[i][2];oldbut[3]=oldc[i][3];
		    akcol=i;
		    movbut(1,0);
		    }
		   duha();typpa=3;akcol=0;oz_col();change(0);
		   button(8,0);
		   button(3,1);}break;
      case 67: button(9,1);fapa();button(9,0);break;
      case 75: if (akcol>0) akcol=akcol-1;oz_col();break;
      case 77: if (akcol<getmaxcolor()) akcol=akcol+1;oz_col();break;
      }
     zobmys(1);
     }
   }
  if (ch==27) if (vykonat("Chceç ukonŸiœ program FAPA.")==0) ch=0;
  }
  while (ch!=27);

  closegraph();
}

// prepocet na suradnice podla x,y-rozlisenia monitora
int rcmx(int x)	{  return x*640.0/gmaxx; }
int rcmy(int y)	{  return y*480.0/gmaxy; }

void uvod_kre(int vse, int pos )
{
int i;

  if (vse==1) for (i=1;i<=gmaxx/2;i++) uvod(i);
  setfillstyle(1,BLUE);i=(1.0*gmaxx)/4.7;
  butfree(i,i+pos,gmaxx-i,gmaxy-i+pos,10,RED);
  setcolor(YELLOW);
  settextstyle(1,0,9);
  outtextxy(i+20,i-10+pos," FAPA");

  settextstyle(2,0,9);
  outtextxy(i+65,i+80+pos,"Farebn  paleta");
  settextstyle(2,0,6);
  outtextxy(i+50,i+113+pos,"PoŸ¡taŸov  grafika 14.12.1994");
  outtextxy(i+70,i+130+pos,"predn çaj£ci:doc.æujanskì");
  outtextxy(i+100,i+147+pos,"cviŸiaci:ing.Sobota");
  butfree(i+100,i+177+pos,gmaxx-i-100,gmaxy-i-8+pos,5,BLUE);
  outtextxy(i+135,i+177+pos,"StlaŸ ENTER");
  setfillstyle(1,RED);i=gmaxx/4;
  butfree(i,i+200+pos,gmaxx-i,gmaxy-i+135+pos,10,BLUE);
  setcolor(YELLOW);
  settextstyle(2,0,6);
  outtextxy(i+130,i+210+pos,"Autori:");
  outtextxy(i+40,i+228+pos,"Zdeno Seker k alias TRSEK");
  outtextxy(i+110,i+246+pos,"Gabriel Sille");
  outtextxy(i+25,i+264+pos,"FEI TU Koçice - III.A/5 ç.sk.");
}

void uvod(int od)
{
  setcolor(od);
  line(od,od,gmaxx-od,od);
  line(gmaxx-od,od,gmaxx-od,gmaxy-od);
  line(gmaxx-od,gmaxy-od,od,gmaxy-od);
  line(od,gmaxy-od,od,od);
}

// zobrazenie buttonu
void butfree(int x1, int y1, int x2, int y2, int but, int col)
{
int i;

  setfillstyle(1,col);
  bar(rcmx(x1),rcmy(y1),rcmx(x2),rcmy(y2));
  setcolor(WHITE);

  for (i=1;i<=but;i++) {
    line(rcmx(x2+i),rcmy(y1-i),rcmx(x1-i),rcmy(y1-i));
    line(rcmx(x1-i),rcmy(y1-i),rcmx(x1-i),rcmy(y2+i));
  }

  setcolor(DARKGRAY);
  for (i=1;i<=but;i++) {
    line(rcmx(x2+i),rcmy(y1-i),rcmx(x2+i),rcmy(y2+i));
    line(rcmx(x2+i),rcmy(y2+i),rcmx(x1-i),rcmy(y2+i));
  }
}

// uvodna obrazovka programu
void fapa( void )
{
  uvod_kre(0,-40);
  settextstyle(2,1,4);
  press();
  duha();
  oz_col();
}

int vykonat(char sprava[])
{
int x,y,but,konc;
char ch;
int font;

  font=installuserfont("litt");
  settextstyle(font,0,6);
  butfree(80,150,gmaxx-150,gmaxy-250,6,LIGHTGRAY);
  setcolor(DARKGRAY);

  outtextxy(80+(360.0-8*strlen(sprava))/2,160,sprava);
  butfree(170,200,220,220,3,LIGHTGRAY);
  outtextxy(183,200,"Ano");
  butfree(350,200,400,220,3,LIGHTGRAY);
  outtextxy(363,200,"Nie");
  konc=-1;

  do {
   getmys(&x,&y,&but);
   if (but==1) {
     if ((x>170) && (x<220) && (y>200) && (y<220)) {
	konc=1;
	butput(170,200,220,220,3,LIGHTGRAY);
	outtextxy(183,200,"Ano");
     }

     if ((x>350) && (x<400) && (y>200) && (y<220)) {
	konc=0;
	butput(350,200,400,220,3,LIGHTGRAY);
	outtextxy(363,200,"Nie");
     }
   }

   if (kbhit()) {
      ch=getch();
      if ((ch==65) || (ch== 97)) {
	 konc=1;
	 butput(170,200,220,220,3,LIGHTGRAY);
	 outtextxy(183,200,"Ano");
      }

      if ((ch==78) || (ch==110)) {
	 konc=0;
	 butput(350,200,400,220,3,LIGHTGRAY);
	 outtextxy(363,200,"Nie");
      }
   }
  } while ((konc!=0) && (konc!=1));

  settextstyle(2,0,5);
  duha();
  oz_col();
  return(konc);
}


void butput (int x1, int y1, int x2, int y2, int but, int col)
{
int i;

  setfillstyle(1,col);
  bar(rcmx(x1),rcmy(y1),rcmx(x2),rcmy(y2));
  setcolor(DARKGRAY);

  for (i=1;i<=but;i++) {
    line(rcmx(x2+i),rcmy(y1-i),rcmx(x1-i),rcmy(y1-i));
    line(rcmx(x1-i),rcmy(y1-i),rcmx(x1-i),rcmy(y2+i));
  }

  setcolor(WHITE);
  for (i=1;i<=but;i++) {
    line(rcmx(x2+i),rcmy(y1-i),rcmx(x2+i),rcmy(y2+i));
    line(rcmx(x2+i),rcmy(y2+i),rcmx(x1-i),rcmy(y2+i));
  }
}


void button(int porad, int ako )
{
settextstyle(2,0,4);
  if (ako)
  {
    butput(20+porad*61, 15, 70+porad*61, 40, 3,LIGHTGRAY);
    setcolor(DARKGRAY);
    outtextxy(25+porad*61, 20, tex[porad]);
    if (porad>2)
    {
      oz_col();
      init_pot();
    }
  }
  else
  {
    butfree(20+porad*61,15,70+porad*61,40,3,LIGHTGRAY);
    outtextxy(25+porad*61,20,tex[porad]);
  }
}


void init_pot( void )
{
int y,i;
float krok;

  butfree(gmaxx-93,135,gmaxx-77,gmaxy-50,3,LIGHTGRAY);
  butfree(gmaxx-64,135,gmaxx-48,gmaxy-50,3,LIGHTGRAY);
  butfree(gmaxx-35,135,gmaxx-20,gmaxy-50,3,LIGHTGRAY);

  butfree(gmaxx-87,137,gmaxx-82,138+butony[3],2,LIGHTGRAY);
  butfree(gmaxx-58,137,gmaxx-53,138+butony[2],2,LIGHTGRAY);
  butfree(gmaxx-29,137,gmaxx-24,138+butony[1],2,LIGHTGRAY);

  butfree(gmaxx-93,gmaxy-35,gmaxx-77,gmaxy-15,3,LIGHTGRAY);
  butfree(gmaxx-64,gmaxy-35,gmaxx-48,gmaxy-15,3,LIGHTGRAY);
  butfree(gmaxx-35,gmaxy-35,gmaxx-20,gmaxy-15,3,LIGHTGRAY);

  krok=0;setcolor(DARKGRAY);y=i=0;y=y+1;
  if ((141<=gmaxy-56) && (((gmaxy-197)/50)>0))
  for (i=141;i<=gmaxy-56;i=i+(gmaxy-197)/50,krok=krok+0.25)
  {
    line(gmaxx-93,i,gmaxx-92,i);
    line(gmaxx-64,i,gmaxx-63,i);
    line(gmaxx-35,i,gmaxx-34,i);
    if (krok==(y=krok))
    {
      line(gmaxx-93,i,gmaxx-90,i);
      line(gmaxx-64,i,gmaxx-61,i);
      line(gmaxx-35,i,gmaxx-32,i);
    }
  }
  for (i=1;i<=3;i++) movbut(i,0);
}


void prac_obr( void )
{
int i;

  setbkcolor(LIGHTGRAY);
  cleardevice();
  setfillstyle(1,LIGHTGRAY);
  butfree(5,5,gmaxx-5,gmaxy-5,5,LIGHTGRAY);
  setfillstyle(1,BLUE);
  settextstyle(2,0,4);

  for (i=0;i<=9;i++)
  {
    if (i!=2) {
       butfree(20+i*61,15,70+i*61,40,3,LIGHTGRAY);
       outtextxy(25+i*61,20,tex[i]);
    }
  }

  setbkcolor(BLACK);
  butfree(20,55,gmaxx-107,gmaxy-50,3,BLACK);
  butfree(20,gmaxy-35,gmaxx-200,gmaxy-15,3,LIGHTGRAY);
  outtextxy(25,gmaxy-33,"FAREBNA PALETA (c) 1994, Software by TRSEK & Sille. PoŸ¡taŸov  grafika");

  butfree(gmaxx-183,gmaxy-35,gmaxx-107,gmaxy-15,3,LIGHTGRAY);
  outtextxy(gmaxx-178,gmaxy-33,"Percent  ->");

  butfree(gmaxx-93,55,gmaxx-77,125,3,LIGHTGRAY);
  butfree(gmaxx-64,55,gmaxx-48,125,3,LIGHTGRAY);
  butfree(gmaxx-35,55,gmaxx-20,125,3,LIGHTGRAY);

  init_pot();
  settextstyle(2,1,4);
  for (i=1;i<=3;i++)
    outtextxy(gmaxx-7-i*28,57,col[0][i-1]);
  duha();
}


// robi efekt prelinania sa farieb
void duha( void )
{
int x,y,pomer,pomy;

  pomer=(gmaxx-127)/16;
  pomy=getmaxcolor()/16;
  if (pomy==0) pomy=1;

  for (y=0;y<=pomy-1;y++)
    for (x=20;x<=gmaxx-107;x++) {
      setcolor(((y*(gmaxx-127)+x-20)/pomer));
      line(x,y*((gmaxy-105)/pomy)+55,x,55+(y+1)*((gmaxy-105)/pomy));
    }
}


// zobrazi help subor
int help( void )
{
int font,s,y,x,but,good;
char ch,re[80],re2[2];
FILE *fopen(),*f;
char kam[128];

  butfree(20,55,gmaxx-57,gmaxy-50,3,LIGHTGRAY);
  settextstyle(2,0,5);
  butfree(40,gmaxy-80,140,gmaxy-60,2,LIGHTGRAY);
  butfree(180,gmaxy-80,280,gmaxy-60,2,LIGHTGRAY);
  butfree(320,gmaxy-80,430,gmaxy-60,2,LIGHTGRAY);
  butfree(470,gmaxy-80,570,gmaxy-60,2,LIGHTGRAY);

  setcolor(DARKGRAY);
  outtextxy(50,gmaxy-81,"PgUp-Hore");
  outtextxy(190,gmaxy-81,"PgDn-Dole");
  outtextxy(330,gmaxy-81,"Enter-Koniec");
  outtextxy(480,gmaxy-81,"Strana:");

  font=installuserfont("litt");
  settextstyle(font,0,6);

  f=fopen(JoinPath(cesta,"help.txt","r");
  if (f==NULL) return(0);

  s=-1;re2[1]='\0';
  sprintf(re,"%3d",s+1);
  outtextxy(536,gmaxy-81,re);

  do {
    bar(20,55,gmaxx-57,gmaxy-83);
    if (s==-1) {
       settextstyle(font,0,4);
       obrazky();
       good=0;
       settextstyle(font,0,6);
    }
    else {
      if ((good=strana(1,s,re,f))==0)
      {
	 for (y=1;y<=20;y++) {
	   setcolor(DARKGRAY);

	   for (x=0;x<=strlen(re);x++) {
	     re2[0]=re[x];
	     if (re[x]=='@') setcolor(YELLOW);
			else outtextxy(40+x*8,45+y*16,re2);
	   }

	   if ((good=strana(0,s,re,f))!=0) y=21;
	 }
      }
    }

  ch=0;zobmys(1);

  do {
    getmys(&but,&x,&y);
    if (but==1)
    {
       y=gmaxy-y;
       if ((y<80) && (y>60)) {
	  if ((x>40) && (x<140)) { s=s-1;if (s<-1) s=-1;}
	  if ((x>180) && (x<280)) { s=s+1;if (good!=0) s=s-1;}
	  ch=27;
	  if ((x>320) && (x<430)) ch=13;
       }
    }

    if (kbhit())
    {
       ch=getch();
       if (ch==0) ch=getch();
       switch (ch)
       {
	 case 73:{ s=s-1;ch=27;if (s<-1) s=-1; }break;
	 case 81:{ s=s+1;ch=27;if (good!=0) s=s-1;}break;
       }
    }
  } while ((ch!=13) && (ch!=27));

  zobmys(0);
  setcolor(LIGHTGRAY);
  bar(536,gmaxy-79,568,gmaxy-64);
  setcolor(DARKGRAY);
  sprintf(re,"%3d",s+1);
  outtextxy(536,gmaxy-81,re);
  } while (ch!=13);

  prac_obr();
  oz_col();
  button(typpa,1);
  return(0);
}

// zobrazi jednu stranu z helpu
int strana( int ako, int s, char re[], FILE *f )
{
FILE *fopen();
int i;
char kam[128];

  if (ako==1)
  {
    fclose(f);
    f=fopen(JoinPath(cesta,"help.txt","r");
    i=0;

    do {
      i=i+1;
      fscanf(f,"%s",re);
    } while ((i<=s*20) && (feof(f)==0));
  }
  else fscanf(f,"%s",re);

  return(feof(f));
}


// pocka na stlacenie klavesu, alebo mysi
void press( void )
{
int ch,but,xm,ym;

  do
  {
    if (kbhit())
       ch=getch();

    getmys( &but, &xm, &ym );

    if (but==2)
       ch=13;
  } while (ch!=13);
}

void movbut(int but, int smer )
{
char s[3];
int i,buton;

  prev_to_rgb();
  put_rgb(butony,akcol);
  prev_from_rgb();

  for (i=1;i<=3;i++)
  {
    setcolor(LIGHTGRAY);
    settextstyle(2,0,4);
    sprintf(s,"%2.0f",(100.0*butony[i])/277);
    outtextxy(gmaxx-i*29-3,gmaxy-32,"ÛÛÛ");
    setcolor(DARKGRAY);
    outtextxy(gmaxx-i*29-3,gmaxy-32,s);
  }

  zobmys(0);
  butony[but]=butony[but]+smer;
  if (butony[but]>(gmaxy-206)) butony[but]=gmaxy-206;
  if (butony[but]<0) butony[but]=0;

  for (buton=1;buton<=3;buton++)
  {
    if (oldbut[buton]!=butony[buton])
    {
      if (butony[buton]>oldbut[buton])
      {
	for (i=oldbut[buton];i<=butony[buton];i++)
	  putimage(gmaxx-buton*29-2,137+i,butmap,0);
      }
      else {
	for (i=oldbut[buton];i>=butony[buton];i--)
	  putimage(gmaxx-buton*29-2,137+i,butmap,0);
      }
    }
  }

  for (i=1;i<=3;i++)
     oldbut[i]=butony[i];
}


void put_rgb( float butony[3], int colo )
{
struct palettetype paleta;
   getpalette(&paleta);
   setrgbpalette(paleta.colors[colo],(63*butony[3])/(gmaxy-206),
      (63*butony[2])/(gmaxy-206),(63*butony[1])/(gmaxy-206));
}


void change( int poradie )
{
int i;

  prev_to_rgb();
  butfree(gmaxx-92,55,gmaxx-77,125,3,LIGHTGRAY);
  butfree(gmaxx-64,55,gmaxx-48,125,3,LIGHTGRAY);
  butfree(gmaxx-35,55,gmaxx-20,125,3,LIGHTGRAY);
  settextstyle(2,1,4);

  for (i=1;i<=3;i++)
    outtextxy(gmaxx-7-i*28,57,col[poradie][i-1]);

  typpa=poradie+3;
  prev_from_rgb();
}

void oz_col()
{
int pomer,pomy;
int x,y;

  pomer=((gmaxx-127)/16);
  pomy=getmaxcolor()/16+1;
  y=old_akcol/16;x=old_akcol-16*y;

  setcolor(old_akcol);
  line(22+x*pomer,y*((gmaxy-105)/pomy)+55,19+(x+1)*pomer,(y+1)*((gmaxy-105)/pomy)+55);
  line(19+(x+1)*pomer,y*((gmaxy-105)/pomy)+55,22+x*pomer,(y+1)*((gmaxy-105)/pomy)+55);

  line(21+x*pomer,y*((gmaxy-105)/pomy)+55,18+(x+1)*pomer,(y+1)*((gmaxy-105)/pomy)+55);
  line(18+(x+1)*pomer,y*((gmaxy-105)/pomy)+55,21+x*pomer,(y+1)*((gmaxy-105)/pomy)+55);

  pomer=((gmaxx-127)/16);
  pomy=getmaxcolor()/16+1;
  y=akcol/16;x=akcol-16*y;

  setcolor(WHITE);
  line(22+x*pomer,y*((gmaxy-105)/pomy)+55,19+(x+1)*pomer,(y+1)*((gmaxy-105)/pomy)+55);
  line(19+(x+1)*pomer,y*((gmaxy-105)/pomy)+55,22+x*pomer,(y+1)*((gmaxy-105)/pomy)+55);
  setcolor(DARKGRAY);
  line(21+x*pomer,y*((gmaxy-105)/pomy)+55,18+(x+1)*pomer,(y+1)*((gmaxy-105)/pomy)+55);
  line(18+(x+1)*pomer,y*((gmaxy-105)/pomy)+55,21+x*pomer,(y+1)*((gmaxy-105)/pomy)+55);

  get_rgb( butony , akcol);
  prev_from_rgb();
  init_pot();
  old_akcol=akcol;
}

void get_rgb( float butony[3], int colo )
{
struct REGPACK in;
struct palettetype paleta;

  getpalette(&paleta);
  in.r_ax=0x1015;
  in.r_bx=paleta.colors[colo];
  intr(0x10,&in);
  butony[3]=((in.r_dx & 0xFF00)/0xFF)*((gmaxy-206))/63;
  butony[2]=((in.r_cx & 0xFF00)/0xFF)*((gmaxy-206))/63;
  butony[1]= (in.r_cx & 0x00FF)*((gmaxy-206))/63;
}


int minmax ( int a, int b, int c, int p )
{
int i;

  if (a>b) { i=b; b=a; a=i; }
  if (b>c) { i=b; b=c; c=i; }
  if (a>b) { i=b; b=a; a=i; }
  if (p==1) return(a);
  if (p==3) return(c);

  return(0);
}

void zhasni( void )
{
int i;

  for (i=0;i<=getmaxcolor();i++)
  {
    butony[1]=0;butony[2]=0;butony[3]=0;
    put_rgb(butony,i);
  }
}

void prev_to_rgb()
{
int i;
float f,p,q,t,h,s,v;

switch (typpa) {
 case 4:butony[1]=gmaxy-206-butony[1];
	butony[2]=gmaxy-206-butony[2];
	butony[3]=gmaxy-206-butony[3];
	break;
 case 5:
 case 6:{
	h=290*(butony[1]/(gmaxy-206));
	s=(butony[2]/(gmaxy-206));
	v=(butony[3]/(gmaxy-206));
	h=h/60;
	i=h;
	f=h-i;
	p=v*(1.0-s);
	q=v*(1.0-(s*f));
	t=v*(1-(s*(1-f)));

	switch (i) {
	 case 0: butony[3]=(gmaxy-206)*v;butony[2]=(gmaxy-206)*t;
		 butony[1]=(gmaxy-206)*p;break;

	 case 1: butony[3]=(gmaxy-206)*q;butony[2]=(gmaxy-206)*v;
		 butony[1]=(gmaxy-206)*p;break;

	 case 2: butony[3]=(gmaxy-206)*p;butony[2]=(gmaxy-206)*v;
		 butony[1]=(gmaxy-206)*t;break;

	 case 3: butony[3]=(gmaxy-206)*p;butony[2]=(gmaxy-206)*q;
		 butony[1]=(gmaxy-206)*v;break;

	 case 4: butony[3]=(gmaxy-206)*t;butony[2]=(gmaxy-206)*p;
		 butony[1]=(gmaxy-206)*v;break;

	 case 5: butony[3]=(gmaxy-206)*v;butony[2]=(gmaxy-206)*p;
		 butony[1]=(gmaxy-206)*q;break;
	 }
	}
	break;
 }
}

void prev_from_rgb()
{
float max,min,delta;
float h,s,v;

switch (typpa) {
 case 4:butony[1]=gmaxy-206-butony[1];
	butony[2]=gmaxy-206-butony[2];
	butony[3]=gmaxy-206-butony[3];
	break;
 case 5:
 case 6:
       po=po+1;
       if (po>3)
	  po=2;
	max=minmax(butony[1],butony[2],butony[3],3);
	min=minmax(butony[1],butony[2],butony[3],1);
	v=max;
	s=gmaxy;
	if (max==0) s=0;
	       else s=(1.0*(gmaxy-206)*(max-min))/max;
	if (s==0) h=0;
	     else {
	       delta=max-min;
	       if (butony[3]==max) { h=(butony[2]-1.0*butony[1])/delta; }
			      else if (butony[2]==max) {
					h=2+(butony[1]-1.0*butony[3])/delta; }
				       else {
					h=4+(butony[3]-1.0*butony[2])/delta; }
	       h=h*60;
	       if (h<0) h=0;
	       if (h>290) h=290;
	       h=(h*(1.0*gmaxy-206)/290);
	       }
	if (typpa==6) {
	   delta=fabs(v-((gmaxy-206)/2));
	   delta=(gmaxy-206)/2-fabs(v-((gmaxy-206)/2));
	   if (delta<0) delta=0;
	   if (s>delta) s=delta;
	   }
	butony[1]=h;butony[2]=s;butony[3]=v;
	break;
 case 7:butony[1]=butony[1];
	butony[2]=butony[1];
	butony[3]=butony[1];break;
 }
}


// z argumentu programu zisti adresar adkial bol
// spustany
void GetPath(char* cesta,char* args)
{
int i;

  strcpy(cesta,args);
  i=strlen(args);
  while (cesta[--i]!='\\');
  cesta[++i]='\0';
}

// spoji cestu a subor do jednoho
char* JoinPath(char* cesta,char* subor)
{
char pom[255];

  strcpy(pom,cesta);
  strcat(pom,subor);

  return pom;
}