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/*
* Copyright © 2009 CNRS
* Copyright © 2009 inria. All rights reserved.
* Copyright © 2009 Université Bordeaux 1
* See COPYING in top-level directory.
*/
#include <stdlib.h>
#include <stdio.h>
#include "lstopo.h"
static struct color {
int r, g, b;
} *colors;
static int numcolors;
static int
find_color(int r, int g, int b)
{
int i;
for (i = 0; i < numcolors; i++)
if (colors[i].r == r && colors[i].g == g && colors[i].b == b)
return i;
return -1;
}
int
rgb_to_color(int r, int g, int b)
{
int color = find_color(r, g, b);
if (color != -1)
return color;
fprintf(stderr, "color #%02x%02x%02x not declared\n", r, g, b);
exit(EXIT_FAILURE);
}
int
declare_color(int r, int g, int b)
{
int color = find_color(r, g, b);
if (color != -1)
return color;
color = numcolors++;
colors = realloc(colors, sizeof(*colors) * (numcolors));
colors[color].r = r;
colors[color].g = g;
colors[color].b = b;
return color;
}
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