001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.imaging.color; 018 019public final class ColorXyz { 020 021 /** 022 * A constant for color black. Color components are: 023 * <pre> 024 * X: 0 025 * Y: 0 026 * Z: 0 027 * </pre> 028 */ 029 public static final ColorXyz BLACK = new ColorXyz(0, 0, 0); 030 031 /** 032 * A constant for color white. Color components are: 033 * <pre> 034 * X: 95.05 035 * Y: 100.00 036 * Z: 108.90 037 * </pre> 038 */ 039 public static final ColorXyz WHITE = new ColorXyz(95.05, 100, 108.9); 040 041 /** 042 * A constant for color red. Color components are: 043 * <pre> 044 * X: 41.24 045 * Y: 21.26 046 * Z: 1.93 047 * </pre> 048 */ 049 public static final ColorXyz RED = new ColorXyz(41.24, 21.26, 1.93); 050 051 /** 052 * A constant for color green. Color components are: 053 * <pre> 054 * X: 35.76 055 * Y: 71.52 056 * Z: 11.92 057 * </pre> 058 */ 059 public static final ColorXyz GREEN = new ColorXyz(35.76, 71.52, 11.92); 060 061 /** 062 * A constant for color blue. Color components are: 063 * <pre> 064 * X: 18.05 065 * Y: 7.22 066 * Z: 95.05 067 * </pre> 068 */ 069 public static final ColorXyz BLUE = new ColorXyz(18.05, 7.22, 95.05); 070 071 public final double X; 072 public final double Y; 073 public final double Z; 074 075 public ColorXyz(final double X, final double Y, final double Z) { 076 this.X = X; 077 this.Y = Y; 078 this.Z = Z; 079 } 080 081 @Override 082 public String toString() { 083 return "{X: " + X + ", Y: " + Y + ", Z: " + Z + "}"; 084 } 085 086 @Override 087 public boolean equals(final Object o) { 088 if (this == o) { 089 return true; 090 } 091 if (o == null || getClass() != o.getClass()) { 092 return false; 093 } 094 095 final ColorXyz colorXyz = (ColorXyz) o; 096 if (Double.compare(colorXyz.X, X) != 0) { 097 return false; 098 } 099 if (Double.compare(colorXyz.Y, Y) != 0) { 100 return false; 101 } 102 if (Double.compare(colorXyz.Z, Z) != 0) { 103 return false; 104 } 105 106 return true; 107 } 108 109 @Override 110 public int hashCode() { 111 int result; 112 long temp; 113 temp = Double.doubleToLongBits(X); 114 result = (int) (temp ^ (temp >>> 32)); 115 temp = Double.doubleToLongBits(Y); 116 result = 31 * result + (int) (temp ^ (temp >>> 32)); 117 temp = Double.doubleToLongBits(Z); 118 result = 31 * result + (int) (temp ^ (temp >>> 32)); 119 return result; 120 } 121}