| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.RenderingHints; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Locale; |
| import java.util.Set; |
| import javax.imageio.IIOImage; |
| import javax.imageio.ImageIO; |
| import javax.imageio.ImageWriteParam; |
| import javax.imageio.ImageWriter; |
| import javax.imageio.stream.ImageOutputStream; |
| |
| /** |
| * @test |
| * @bug 6488522 |
| * @summary Check the compression support in imageio ImageWriters |
| * @run main ImageWriterCompressionTest |
| */ |
| public class ImageWriterCompressionTest { |
| |
| // ignore jpg (fail): |
| // Caused by: javax.imageio.IIOException: Invalid argument to native writeImage |
| private static final Set<String> IGNORE_FILE_SUFFIXES |
| = new HashSet<String>(Arrays.asList(new String[] { |
| "bmp", "gif", |
| "jpg", "jpeg" |
| } )); |
| |
| public static void main(String[] args) { |
| Locale.setDefault(Locale.US); |
| |
| final BufferedImage image |
| = new BufferedImage(512, 512, BufferedImage.TYPE_INT_ARGB); |
| |
| final Graphics2D g2d = image.createGraphics(); |
| try { |
| g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
| RenderingHints.VALUE_ANTIALIAS_ON); |
| g2d.setRenderingHint(RenderingHints.KEY_RENDERING, |
| RenderingHints.VALUE_RENDER_QUALITY); |
| g2d.scale(2.0, 2.0); |
| |
| g2d.setColor(Color.red); |
| g2d.draw(new Rectangle2D.Float(10, 10, 100, 100)); |
| g2d.setColor(Color.blue); |
| g2d.fill(new Rectangle2D.Float(12, 12, 98, 98)); |
| g2d.setColor(Color.green); |
| g2d.setFont(new Font(Font.SERIF, Font.BOLD, 14)); |
| |
| for (int i = 0; i < 15; i++) { |
| g2d.drawString("Testing Compression ...", 20, 20 + i * 16); |
| } |
| |
| final String[] fileSuffixes = ImageIO.getWriterFileSuffixes(); |
| |
| final Set<String> testedWriterClasses = new HashSet<String>(); |
| |
| for (String suffix : fileSuffixes) { |
| |
| if (!IGNORE_FILE_SUFFIXES.contains(suffix)) { |
| final Iterator<ImageWriter> itWriters |
| = ImageIO.getImageWritersBySuffix(suffix); |
| |
| final ImageWriter writer; |
| final ImageWriteParam writerParams; |
| |
| if (itWriters.hasNext()) { |
| writer = itWriters.next(); |
| |
| if (testedWriterClasses.add(writer.getClass().getName())) { |
| writerParams = writer.getDefaultWriteParam(); |
| |
| if (writerParams.canWriteCompressed()) { |
| testCompression(image, writer, writerParams, suffix); |
| } |
| } |
| } else { |
| throw new RuntimeException("Unable to get writer !"); |
| } |
| } |
| } |
| } catch (IOException ioe) { |
| throw new RuntimeException("IO failure", ioe); |
| } |
| finally { |
| g2d.dispose(); |
| } |
| } |
| |
| private static void testCompression(final BufferedImage image, |
| final ImageWriter writer, |
| final ImageWriteParam writerParams, |
| final String suffix) |
| throws IOException |
| { |
| System.out.println("Compression types: " |
| + Arrays.toString(writerParams.getCompressionTypes())); |
| |
| // Test Compression modes: |
| try { |
| writerParams.setCompressionMode(ImageWriteParam.MODE_DISABLED); |
| saveImage(image, writer, writerParams, "disabled", suffix); |
| } catch (Exception e) { |
| System.out.println("CompressionMode Disabled not supported: "+ e.getMessage()); |
| } |
| |
| try { |
| writerParams.setCompressionMode(ImageWriteParam.MODE_DEFAULT); |
| saveImage(image, writer, writerParams, "default", suffix); |
| } catch (Exception e) { |
| System.out.println("CompressionMode Default not supported: "+ e.getMessage()); |
| } |
| |
| writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); |
| writerParams.setCompressionType(selectCompressionType(suffix, |
| writerParams.getCompressionTypes())); |
| |
| System.out.println("Selected Compression type: " |
| + writerParams.getCompressionType()); |
| |
| long prev = Long.MAX_VALUE; |
| for (int i = 10; i >= 0; i--) { |
| float quality = 0.1f * i; |
| writerParams.setCompressionQuality(quality); |
| |
| long len = saveImage(image, writer, writerParams, |
| String.format("explicit-%.1f", quality), suffix); |
| |
| if (len <= 0) { |
| throw new RuntimeException("zero file length !"); |
| } else if (len > prev) { |
| throw new RuntimeException("Incorrect file length: " + len |
| + " larger than previous: " + prev + " !"); |
| } |
| prev = len; |
| } |
| } |
| |
| private static String selectCompressionType(final String suffix, |
| final String[] types) |
| { |
| switch (suffix) { |
| case "tif": |
| case "tiff": |
| return "LZW"; |
| default: |
| return types[0]; |
| } |
| } |
| |
| private static long saveImage(final BufferedImage image, |
| final ImageWriter writer, |
| final ImageWriteParam writerParams, |
| final String mode, |
| final String suffix) throws IOException |
| { |
| final File imgFile = new File("WriterCompressionTest-" |
| + mode + '.' + suffix); |
| System.out.println("Writing file: " + imgFile.getAbsolutePath()); |
| |
| final ImageOutputStream imgOutStream |
| = ImageIO.createImageOutputStream(new FileOutputStream(imgFile)); |
| try { |
| writer.setOutput(imgOutStream); |
| writer.write(null, new IIOImage(image, null, null), writerParams); |
| } finally { |
| imgOutStream.close(); |
| } |
| return imgFile.length(); |
| } |
| } |