#ifndef UNSUPPORTED
static void cpalette(void *data, struct taskinfo *task, int r1, int r2)
{
    pixel8_t *src, *srcend;
    cppixel_t dest;
    struct filter *f = (struct filter *) data;
    struct palettedata *s = (struct palettedata *) f->data;
    int i;
    unsigned int *table = s->table;
    for (i = r1; i < r2; i++) {
	src = f->childimage->currlines[i];
	srcend = src + f->image->width;
	dest = (cppixel_t) f->image->currlines[i];
	while (src < srcend) {
	    p_set(dest, table[*src]);
	    src++;
	    p_inc(dest, 1);
	}
    }
}
#endif
#undef cpalette