001/* 002 * Copyright 2006 - 2013 003 * Stefan Balev <stefan.balev@graphstream-project.org> 004 * Julien Baudry <julien.baudry@graphstream-project.org> 005 * Antoine Dutot <antoine.dutot@graphstream-project.org> 006 * Yoann Pigné <yoann.pigne@graphstream-project.org> 007 * Guilhelm Savin <guilhelm.savin@graphstream-project.org> 008 * 009 * This file is part of GraphStream <http://graphstream-project.org>. 010 * 011 * GraphStream is a library whose purpose is to handle static or dynamic 012 * graph, create them from scratch, file or any source and display them. 013 * 014 * This program is free software distributed under the terms of two licenses, the 015 * CeCILL-C license that fits European law, and the GNU Lesser General Public 016 * License. You can use, modify and/ or redistribute the software under the terms 017 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following 018 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by 019 * the Free Software Foundation, either version 3 of the License, or (at your 020 * option) any later version. 021 * 022 * This program is distributed in the hope that it will be useful, but WITHOUT ANY 023 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 024 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 025 * 026 * You should have received a copy of the GNU Lesser General Public License 027 * along with this program. If not, see <http://www.gnu.org/licenses/>. 028 * 029 * The fact that you are presently reading this means that you have had 030 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms. 031 */ 032package org.graphstream.ui.graphicGraph.stylesheet; 033 034/** 035 * A value and the units of the value. 036 * 037 * <p> 038 * As a style sheet may express values in several different units. This class 039 * purpose is to pack the value and the units it is expressed in into a single 040 * object. 041 * </p> 042 */ 043public class Value extends Number { 044 // Attributes 045 046 private static final long serialVersionUID = 1L; 047 048 /** 049 * The value. 050 */ 051 public double value; 052 053 /** 054 * The value units. 055 */ 056 public Style.Units units; 057 058 // Constructor 059 060 /** 061 * New value. 062 * 063 * @param units 064 * The value units. 065 * @param value 066 * The value. 067 */ 068 public Value(Style.Units units, double value) { 069 this.value = value; 070 this.units = units; 071 } 072 073 /** 074 * New copy of another value. 075 * 076 * @param other 077 * The other value to copy. 078 */ 079 public Value(Value other) { 080 this.value = other.value; 081 this.units = other.units; 082 } 083 084 @Override 085 public float floatValue() { 086 return (float)value; 087 } 088 089 @Override 090 public double doubleValue() { 091 return value; 092 } 093 094 @Override 095 public int intValue() { 096 return (int)Math.round(value); 097 } 098 099 @Override 100 public long longValue() { 101 return Math.round(value); 102 } 103 104 @Override 105 public String toString() { 106 StringBuilder builder = new StringBuilder(); 107 108 builder.append(value); 109 110 switch (units) { 111 case GU: 112 builder.append("gu"); 113 break; 114 case PX: 115 builder.append("px"); 116 break; 117 case PERCENTS: 118 builder.append("%"); 119 break; 120 default: 121 builder.append("wtf (what's the fuck?)"); 122 break; 123 } 124 125 return builder.toString(); 126 } 127 128 public boolean equals(Value o) { 129 if (o != this) { 130 if (!(o instanceof Value)) 131 return false; 132 133 Value other = (Value) o; 134 135 if (other.units != units) 136 return false; 137 138 if (other.value != value) 139 return false; 140 } 141 142 return true; 143 } 144}