Re: colors in [pd]curses - unix vs windows

Xecutor <konstantin.stupnik@xxxxxxxxx> wrote:
But I need numberic colors.
So I need array of constants to be mapped to numbers...

Since you set up your COLOR_PAIRs yourself, you can assign them in any
order you like. Personally, I use something like this (I'm just
letting my macros wrap, since they're just over my line length):

#define COLORING(fg,bg) (((fg) & 0x0f) | (((bg) & 0x07) << 4))
#define COLOR_INDEX(color) (1 + ((color)&0x07) + (((color) >> 1) &
0x38))
#define COLOR_ATTR(color) (COLOR_PAIR(COLOR_INDEX(color)) |
(((color)&0x08) ? A_BOLD : 0))

void preparecolor ( ) {
static int pairParts[8] = {
COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW,
COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE
};

int fg, bg;
for (bg=0; bg<8; bg++) {
for (fg=0; fg<8; fg++) {
init_pair(
COLOR_INDEX(COLORING(fg, bg)),
pairParts[fg], pairParts[bg]
);
}
}
}


Now the colors from 0 to 15 are mapped in a way that I like and I can
forget about the constants completely. This call will make text
show up yellow-on-red:

attrset(COLOR_ATTR(COLORING(11, 1)));

But when I'm storing the color of an entity in the world, I just store
the COLORING() part as an int instead of keeping the foreground and
background colors separate. I have a couple of macros to replace
just the foreground or just the background, but I've never really needed
them.

--
Joshua
.

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