Colors are not working

Why does it print only black when I run it?

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#include <curses.h>

char *map[50] =
{
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                ######      ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                ######      ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG",
};
int main()
{
    initscr();
    start_color();
    for(int yy = 0; yy < 25; yy++)
    {
        for(int xx = 0; xx < 60; xx++)
        {
            mvaddch(yy,xx,map[yy][xx]);
            if (map[yy][xx] == '#')
            {
                attron(COLOR_PAIR(1));
                mvaddch(yy,xx,' ');
                attroff(COLOR_PAIR(1));
            }
            if (map[yy][xx] == 'G')
            {
                attron(COLOR_PAIR(2));
                mvaddch(yy,xx,' ');
                attroff(COLOR_PAIR(2));
            }
            if (map[yy][xx] == ' ')
            {
                attron(COLOR_PAIR(3));
                mvaddch(yy,xx,' ');
                attroff(COLOR_PAIR(3));
            }
        }
    }
    endwin();
    refresh();
    return 0;
}
Last edited on
Nice Mario map you have there. But I am not very familiar with Linux development so I think I can't be of much use.

Thanks for the map though :)
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#include <curses.h>

char *map[50] =
{
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                ######      ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                            ",
    "                                                ######      ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "                                                 ####       ",
    "GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG",
};
int main()
{
    initscr();
    start_color();
  
    // We should initialize a set of colors
    init_pair(0, COLOR_WHITE, COLOR_BLACK);
    init_pair(1, COLOR_GREEN, COLOR_BLACK);
    init_pair(2, COLOR_BLUE, COLOR_BLACK);
    init_pair(3, COLOR_RED, COLOR_BLACK);

    //////////////////////////////////////////////////////////////
      
    // Optional
    color_set(0, NULL);
    assume_default_colors(COLOR_WHITE, COLOR_BLACK);
  
    for(int yy = 0; yy < 25; yy++)
    {
        for(int xx = 0; xx < 60; xx++)
        {
            if (map[yy][xx] == '#')
            {
                attrset(A_BOLD | COLOR_PAIR(1)); // <==
                mvaddch(yy,xx,map[yy][xx]);
            }
            if (map[yy][xx] == 'G')
            {
                attrset(A_BOLD | COLOR_PAIR(2)); // <==
                mvaddch(yy,xx,map[yy][xx]);
            }
            if (map[yy][xx] == ' ')
            {
                attrset(A_BOLD | COLOR_PAIR(0)); // <==
                mvaddch(yy,xx,map[yy][xx]);
            }
        }
    }
    endwin();
    refresh();
    return 0;
}


Use function init_pair() to initialize colors before you draw.
Last edited on
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