8145776: [TEST] add a test checking multipage tiff creation
Reviewed-by: bpb, serb, ssadetsky
This commit is contained in:
Alexander Stepanov
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47ca01cdfc
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/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @library /lib/testlibrary/
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* @build jdk.testlibrary.*
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*
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* @bug 8145776
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* @author a.stepanov
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* @summary A simple write-read test for the multi-page tiff.
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* Create the file programmaticaly, then do some simple checks
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* (number of pages, sizes, colors). Use -Dseed=X to set
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* the random generator seed.
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*
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* @run main MultiPageTest
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* @key randomness
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*/
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import java.awt.*;
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import java.awt.image.*;
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import java.io.*;
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import java.util.*;
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import javax.imageio.*;
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import javax.imageio.stream.*;
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import jdk.testlibrary.RandomFactory;
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public class MultiPageTest {
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private final String fileName;
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private final int NUM_IMAGES = 51;
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private final static Random rnd = RandomFactory.getRandom();
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private final int w[], h[];
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private final Color colors[];
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private final int BLACK_SIZE = 100;
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private final int imageType;
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public MultiPageTest(int type, String tName) {
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imageType = type;
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fileName = "test__" + tName + ".tif";
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w = new int[NUM_IMAGES + 4];
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h = new int[NUM_IMAGES + 4];
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for (int i = 2; i < NUM_IMAGES + 2; i++) {
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w[i] = 10 + rnd.nextInt(21);
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h[i] = 10 + rnd.nextInt(21);
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}
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w[0] = BLACK_SIZE; h[0] = BLACK_SIZE;
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w[1] = BLACK_SIZE; h[1] = BLACK_SIZE;
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w[NUM_IMAGES + 2] = BLACK_SIZE; h[NUM_IMAGES + 2] = BLACK_SIZE;
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w[NUM_IMAGES + 3] = BLACK_SIZE; h[NUM_IMAGES + 3] = BLACK_SIZE;
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colors = new Color[NUM_IMAGES + 4];
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for (int i = 2; i < NUM_IMAGES + 2; ++i) {
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colors[i] = new Color(
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rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
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}
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colors[0] = Color.black;
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colors[1] = Color.black;
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colors[NUM_IMAGES + 2] = Color.black;
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colors[NUM_IMAGES + 3] = Color.black;
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}
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private ImageWriter getTIFFWriter() throws Exception {
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Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("TIFF");
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if (!writers.hasNext()) {
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throw new RuntimeException("No writers available for " + fileName);
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}
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return writers.next();
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}
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private ImageReader getTIFFReader() throws Exception {
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Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName("TIFF");
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if (!readers.hasNext()) {
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throw new RuntimeException("No readers available for " + fileName);
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}
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return readers.next();
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}
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private void createImage() throws Exception {
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OutputStream s = new BufferedOutputStream(new FileOutputStream(fileName));
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try (ImageOutputStream ios = ImageIO.createImageOutputStream(s)) {
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ImageWriter writer = getTIFFWriter();
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writer.setOutput(ios);
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Graphics g;
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BufferedImage blackImg =
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new BufferedImage(BLACK_SIZE, BLACK_SIZE, imageType);
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g = blackImg.getGraphics();
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g.setColor(Color.black);
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g.fillRect(0, 0, BLACK_SIZE, BLACK_SIZE);
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writer.prepareWriteSequence(null);
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for (int i = 2; i < NUM_IMAGES + 2; i++) {
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BufferedImage img = new BufferedImage(w[i], h[i], imageType);
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g = img.getGraphics();
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g.setColor(colors[i]);
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g.fillRect(0, 0, w[i], h[i]);
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writer.writeToSequence(new IIOImage(img, null, null), null);
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}
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writer.endWriteSequence();
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// check: insert to the beginning
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writer.writeInsert(0, new IIOImage(blackImg, null, null), null);
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// check: insert to non-zero position
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writer.writeInsert(1, new IIOImage(blackImg, null, null), null);
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// check: append to the end by index
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writer.writeInsert(NUM_IMAGES + 2,
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new IIOImage(blackImg, null, null), null);
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// check: append to the end using index "-1"
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writer.writeInsert(-1, new IIOImage(blackImg, null, null), null);
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ios.flush();
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writer.dispose();
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}
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s.close();
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}
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private void readAndCheckImage() throws Exception {
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ImageReader reader = getTIFFReader();
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ImageInputStream s = ImageIO.createImageInputStream(new File(fileName));
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reader.setInput(s);
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// check number of pages
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if ((NUM_IMAGES + 4) != reader.getNumImages(true)) {
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throw new RuntimeException("invalid number of images!");
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}
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// check colors / sizes
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for (int i = 0; i < NUM_IMAGES + 4; i++) {
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BufferedImage img = reader.read(i);
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int imw = w[i], imh = h[i];
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if ( (img.getWidth() != imw) || (img.getHeight() != imh) ) {
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throw new RuntimeException("NOK: size(" + i + ")");
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}
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Color
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c1 = new Color(img.getRGB(0, 0)),
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c2 = new Color(img.getRGB(imw / 2, imh / 2)),
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c3 = new Color(img.getRGB(imw - 1, imh - 1));
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if (! (c1.equals(colors[i]) && c1.equals(c2) && c1.equals(c3) ) ) {
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throw new RuntimeException("NOK: color(" + i + ")");
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}
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}
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reader.dispose();
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s.close();
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}
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public void doTest() throws Exception {
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createImage();
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readAndCheckImage();
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}
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public static void main(String[] args) throws Exception {
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int types[] = new int[]{
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BufferedImage.TYPE_INT_RGB,
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BufferedImage.TYPE_INT_ARGB,
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BufferedImage.TYPE_INT_ARGB_PRE,
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BufferedImage.TYPE_INT_BGR,
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BufferedImage.TYPE_3BYTE_BGR,
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BufferedImage.TYPE_4BYTE_ABGR,
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BufferedImage.TYPE_4BYTE_ABGR_PRE
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};
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String names[] = new String[]{
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"TYPE_INT_RGB",
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"TYPE_INT_ARGB",
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"TYPE_INT_ARGB_PRE",
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"TYPE_INT_BGR",
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"TYPE_3BYTE_BGR",
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"TYPE_4BYTE_ABGR",
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"TYPE_4BYTE_ABGR_PRE"
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};
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for (int i = 0; i < types.length; i++) {
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System.out.println("image type: " + names[i]);
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(new MultiPageTest(types[i], names[i])).doTest();
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}
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}
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}
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