/
ColorNamer.java
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/
ColorNamer.java
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package mezz.jei.util.color;
import javax.annotation.Nullable;
import java.awt.Color;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.google.common.collect.ImmutableMap;
import net.minecraft.item.ItemStack;
public class ColorNamer {
private final ImmutableMap<Color, String> colorNames;
public ColorNamer(ImmutableMap<Color, String> colorNames) {
this.colorNames = colorNames;
}
public Collection<String> getColorNames(ItemStack itemStack) {
List<Color> colors = ColorGetter.getColors(itemStack, 2);
return getColorNames(colors);
}
private Collection<String> getColorNames(List<Color> colors) {
final Set<String> allColorNames = new LinkedHashSet<String>();
for (Color color : colors) {
final String colorName = getClosestColorName(color);
if (colorName != null) {
allColorNames.add(colorName);
}
}
return allColorNames;
}
@Nullable
private String getClosestColorName(Color color) {
if (colorNames.isEmpty()) {
return null;
}
String closestColorName = null;
Double closestColorDistance = Double.MAX_VALUE;
for (Map.Entry<Color, String> entry : colorNames.entrySet()) {
final Color namedColor = entry.getKey();
final Double distance = ColorUtil.slowPerceptualColorDistanceSquared(namedColor, color);
if (distance < closestColorDistance) {
closestColorDistance = distance;
closestColorName = entry.getValue();
}
}
return closestColorName;
}
}