#include <cmath>
#include <cstdlib>
#include <ctime>
#include <unistd.h>
#include <cstdio>

using namespace std;

/* saturation, value and hue all are 0..1 */
static void MakeTint(char *dest, double saturation, double value, double hue)
{
    const double v = value * 255.0;
    hue *= 6.0;
    const double f = hue - (int)hue;
    const double x = v * (1.0 - saturation);
    const double y = v * (1.0 - (saturation * f));
    const double z = v * (1.0 - (saturation * (1.0 - f)));
     
    switch((int)hue)
    {
        case 0: sprintf(dest, "#%02X%02X%02X", (unsigned)v, (unsigned)z, (unsigned)x); break;
        case 1: sprintf(dest, "#%02X%02X%02X", (unsigned)y, (unsigned)v, (unsigned)x); break;
        case 2: sprintf(dest, "#%02X%02X%02X", (unsigned)x, (unsigned)v, (unsigned)z); break;
        case 3: sprintf(dest, "#%02X%02X%02X", (unsigned)x, (unsigned)y, (unsigned)v); break;
        case 4: sprintf(dest, "#%02X%02X%02X", (unsigned)z, (unsigned)x, (unsigned)v); break;
        default: sprintf(dest, "#%02X%02X%02X", (unsigned)v, (unsigned)x, (unsigned)y); break;
    }
}

int main(void)
{
    srand48(time(NULL));
    
    double tint = drand48();
    
    static char Tausta[8]  = "#000000";
    static char Kursori[8] = "#000000";
    MakeTint(Tausta,  0.75, 1.00, tint);
    MakeTint(Kursori, 0.40, 1.00, tint);
    
    static const char *const parms[] =
    {
        "aterm",
        "-bg", "black",
        "-fg", "gray",
        "-fn", "-misc-fixed-medium-r-normal--10-100-75-75-c-60-iso8859-15",
        "-fb", "-misc-fixed-medium-r-normal--10-100-75-75-c-60-iso8859-15",
        "-color0", "#000000",  "-color4", "#0000C0",  "-color2", "#00C000",  "-color6", "#00C0C0",
        "-color1", "#C00000",  "-color5", "#C000C0",  "-color3", "#C06000",  "-color7", "#C0C0C0",
        "-color8", "#606060",  "-color12","#6060FF",  "-color10","#60FF60",  "-color14","#60FFFF",
        "-color9", "#FF6060",  "-color13","#FF60FF",  "-color11","#FFFF60",  "-color15","white",
        "-fade", "80",
        "-pr", Kursori,
        "-bw", "0",
        "-cr", Kursori,
        "-sr",
        "-sl", "5000",
        "-tr",
        "-trsb",
        "-sh", "50",
        "-tinttype", "true",
        "-tint", Tausta,
        "-geometry", "95x64",
        NULL
    };
    execvp(parms[0], (char *const *)parms);
    return 0;
}