color map_palette(const color& c, int palette)
{
if(palette < 0 || palette >= palettes.size() || palettes[palette].mapping.empty()) {
return c;
}
const std::map<uint32_t,uint32_t>& mapping = palettes[palette].mapping;
std::map<uint32_t,uint32_t>::const_iterator i = mapping.find(c.value());
if(i != mapping.end()) {
return color(color::convert_pixel_byte_order(i->second));
} else {
return c;
}
}
std::size_t color_hasher::hash(const color&v) {
std::size_t seed(0);
combine(seed, v.value());
return seed;
}