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.formats.gif; 018 019import org.apache.commons.imaging.common.ImageMetadata; 020 021import java.util.ArrayList; 022import java.util.Collections; 023import java.util.List; 024 025public class GifImageMetadata implements ImageMetadata { 026 private static final String NEWLINE = System.getProperty("line.separator"); 027 private final int width; 028 private final int height; 029 private final List<GifImageMetadataItem> items; 030 031 GifImageMetadata(int width, int height, List<GifImageMetadataItem> items) { 032 this.width = width; 033 this.height = height; 034 this.items = Collections.unmodifiableList(new ArrayList<>(items)); 035 } 036 037 @Override 038 public String toString(String prefix) { 039 prefix = prefix == null ? "" : prefix; 040 final StringBuilder result = new StringBuilder(); 041 result.append(String.format("%sGIF metadata:", prefix)); 042 result.append(String.format("%sWidth: %d%s", prefix, width, NEWLINE)); 043 result.append(String.format("%sHeight: %d%s", prefix, height, NEWLINE)); 044 result.append(NEWLINE); 045 result.append(String.format("%sImages:", prefix)); 046 for (GifImageMetadataItem item : items) { 047 result.append(NEWLINE); 048 result.append(item.toString(prefix)); 049 } 050 return result.toString(); 051 } 052 053 public int getWidth() { 054 return width; 055 } 056 057 public int getHeight() { 058 return height; 059 } 060 061 @Override 062 public List<GifImageMetadataItem> getItems() { 063 return items; 064 } 065}