1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.myfaces.tobago.internal.layout;
21
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
24 import org.apache.myfaces.tobago.layout.Measure;
25
26 import java.util.ArrayList;
27 import java.util.List;
28
29 public class FactorList extends ArrayList<Integer> {
30
31 private static final Logger LOG = LoggerFactory.getLogger(FactorList.class);
32
33 public List<Measure> partition(Measure size) {
34
35 List<Measure> result = new ArrayList<Measure>(size());
36
37 int sum = 0;
38 for (Integer integer : this) {
39 sum += integer;
40 }
41
42 double[] doubles = new double[size()];
43 int i = 0;
44 for (Integer integer : this) {
45 doubles[i++] = integer * size.getPixel() / (double) sum;
46 }
47
48 MathUtils.adjustRemainders(doubles, 0.0);
49
50 for (double value : doubles) {
51 result.add(Measure.valueOf((int) value));
52 }
53
54 return result;
55 }
56 }