1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.Color; 25 import java.awt.Font; 26 import java.awt.Graphics2D; 27 import java.awt.RenderingHints; 28 import java.awt.geom.Rectangle2D; 29 import java.awt.image.BufferedImage; 30 import java.io.File; 31 import java.io.FileOutputStream; 32 import java.io.IOException; 33 import java.util.Arrays; 34 import java.util.HashSet; 35 import java.util.Iterator; 36 import java.util.Locale; 37 import java.util.Set; 38 import javax.imageio.IIOImage; 39 import javax.imageio.ImageIO; 40 import javax.imageio.ImageWriteParam; 41 import javax.imageio.ImageWriter; 42 import javax.imageio.stream.ImageOutputStream; 43 44 /** 45 * @test 46 * @bug 6488522 47 * @summary Check the compression support in imageio ImageWriters 48 * @run main ImageWriterCompressionTest 49 */ 50 public class ImageWriterCompressionTest { 51 52 // ignore jpg (fail): 53 // Caused by: javax.imageio.IIOException: Invalid argument to native writeImage 54 private static final Set<String> IGNORE_FILE_SUFFIXES 55 = new HashSet<String>(Arrays.asList(new String[] { 56 "bmp", "gif", 57 "jpg", "jpeg" 58 } )); 59 60 public static void main(String[] args) { 61 Locale.setDefault(Locale.US); 62 63 final BufferedImage image 64 = new BufferedImage(512, 512, BufferedImage.TYPE_INT_ARGB); 65 66 final Graphics2D g2d = image.createGraphics(); 67 try { 68 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 69 RenderingHints.VALUE_ANTIALIAS_ON); 70 g2d.setRenderingHint(RenderingHints.KEY_RENDERING, 71 RenderingHints.VALUE_RENDER_QUALITY); 72 g2d.scale(2.0, 2.0); 73 74 g2d.setColor(Color.red); 75 g2d.draw(new Rectangle2D.Float(10, 10, 100, 100)); 76 g2d.setColor(Color.blue); 77 g2d.fill(new Rectangle2D.Float(12, 12, 98, 98)); 78 g2d.setColor(Color.green); 79 g2d.setFont(new Font(Font.SERIF, Font.BOLD, 14)); 80 81 for (int i = 0; i < 15; i++) { 82 g2d.drawString("Testing Compression ...", 20, 20 + i * 16); 83 } 84 85 final String[] fileSuffixes = ImageIO.getWriterFileSuffixes(); 86 87 final Set<String> testedWriterClasses = new HashSet<String>(); 88 89 for (String suffix : fileSuffixes) { 90 91 if (!IGNORE_FILE_SUFFIXES.contains(suffix)) { 92 final Iterator<ImageWriter> itWriters 93 = ImageIO.getImageWritersBySuffix(suffix); 94 95 final ImageWriter writer; 96 final ImageWriteParam writerParams; 97 98 if (itWriters.hasNext()) { 99 writer = itWriters.next(); 100 101 if (testedWriterClasses.add(writer.getClass().getName())) { 102 writerParams = writer.getDefaultWriteParam(); 103 104 if (writerParams.canWriteCompressed()) { 105 testCompression(image, writer, writerParams, suffix); 106 } 107 } 108 } else { 109 throw new RuntimeException("Unable to get writer !"); 110 } 111 } 112 } 113 } catch (IOException ioe) { 114 throw new RuntimeException("IO failure", ioe); 115 } 116 finally { 117 g2d.dispose(); 118 } 119 } 120 121 private static void testCompression(final BufferedImage image, 122 final ImageWriter writer, 123 final ImageWriteParam writerParams, 124 final String suffix) 125 throws IOException 126 { 127 System.out.println("Compression types: " 128 + Arrays.toString(writerParams.getCompressionTypes())); 129 130 // Test Compression modes: 131 try { 132 writerParams.setCompressionMode(ImageWriteParam.MODE_DISABLED); 133 saveImage(image, writer, writerParams, "disabled", suffix); 134 } catch (Exception e) { 135 System.out.println("CompressionMode Disabled not supported: "+ e.getMessage()); 136 } 137 138 try { 139 writerParams.setCompressionMode(ImageWriteParam.MODE_DEFAULT); 140 saveImage(image, writer, writerParams, "default", suffix); 141 } catch (Exception e) { 142 System.out.println("CompressionMode Default not supported: "+ e.getMessage()); 143 } 144 145 writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); 146 writerParams.setCompressionType(selectCompressionType(suffix, 147 writerParams.getCompressionTypes())); 148 149 System.out.println("Selected Compression type: " 150 + writerParams.getCompressionType()); 151 152 long prev = Long.MAX_VALUE; 153 for (int i = 10; i >= 0; i--) { 154 float quality = 0.1f * i; 155 writerParams.setCompressionQuality(quality); 156 157 long len = saveImage(image, writer, writerParams, 158 String.format("explicit-%.1f", quality), suffix); 159 160 if (len <= 0) { 161 throw new RuntimeException("zero file length !"); 162 } else if (len > prev) { 163 throw new RuntimeException("Incorrect file length: " + len 164 + " larger than previous: " + prev + " !"); 165 } 166 prev = len; 167 } 168 } 169 170 private static String selectCompressionType(final String suffix, 171 final String[] types) 172 { 173 switch (suffix) { 174 case "tif": 175 case "tiff": 176 return "LZW"; 177 default: 178 return types[0]; 179 } 180 } 181 182 private static long saveImage(final BufferedImage image, 183 final ImageWriter writer, 184 final ImageWriteParam writerParams, 185 final String mode, 186 final String suffix) throws IOException 187 { 188 final File imgFile = new File("WriterCompressionTest-" 189 + mode + '.' + suffix); 190 System.out.println("Writing file: " + imgFile.getAbsolutePath()); 191 192 final ImageOutputStream imgOutStream 193 = ImageIO.createImageOutputStream(new FileOutputStream(imgFile)); 194 try { 195 writer.setOutput(imgOutStream); 196 writer.write(null, new IIOImage(image, null, null), writerParams); 197 } finally { 198 imgOutStream.close(); 199 } 200 return imgFile.length(); 201 } 202 }