| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.fonts.substitute; |
| |
| import java.util.StringTokenizer; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * Encapsulates a range of font weight values |
| */ |
| public class FontWeightRange { |
| |
| /** logging instance */ |
| protected static Log log = LogFactory.getLog("org.apache.fop.render.fonts"); |
| |
| /** |
| * Returns an <code>FontWeightRange</code> object holding the |
| * range values of the specified <code>String</code>. |
| * |
| * @param weightRangeString the value range string |
| * @return an <code>FontWeightRange</code> object holding the value ranges |
| */ |
| public static FontWeightRange valueOf(String weightRangeString) { |
| StringTokenizer rangeToken = new StringTokenizer(weightRangeString, ".."); |
| FontWeightRange weightRange = null; |
| if (rangeToken.countTokens() == 2) { |
| String weightString = rangeToken.nextToken().trim(); |
| try { |
| int start = Integer.parseInt(weightString); |
| if (start % 100 != 0) { |
| log.error("font-weight start range is not a multiple of 100"); |
| } |
| int end = Integer.parseInt(rangeToken.nextToken()); |
| if (end % 100 != 0) { |
| log.error("font-weight end range is not a multiple of 100"); |
| } |
| if (start <= end) { |
| weightRange = new FontWeightRange(start, end); |
| } else { |
| log.error("font-weight start range is greater than end range"); |
| } |
| } catch (NumberFormatException e) { |
| log.error("invalid font-weight value " + weightString); |
| } |
| } |
| return weightRange; |
| } |
| |
| /** the start range */ |
| private int start; |
| |
| /** the end range */ |
| private int end; |
| |
| /** |
| * Main constructor |
| * @param start the start value range |
| * @param end the end value range |
| */ |
| public FontWeightRange(int start, int end) { |
| this.start = start; |
| this.end = end; |
| } |
| |
| /** |
| * Returns true if the given integer value is within this integer range |
| * @param value the integer value |
| * @return true if the given integer value is within this integer range |
| */ |
| public boolean isWithinRange(int value) { |
| return (value >= start && value <= end); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String toString() { |
| return start + ".." + end; |
| } |
| |
| /** |
| * @return an integer array containing the weight ranges |
| */ |
| public int[] toArray() { |
| int cnt = 0; |
| for (int i = start; i <= end; i += 100) { |
| cnt++; |
| } |
| int[] range = new int[cnt]; |
| for (int i = 0; i < cnt; i++) { |
| range[i] = start + (i * 100); |
| } |
| return range; |
| } |
| } |