changeset 35672:c97d62614abc

8145776: [TEST] add a test checking multipage tiff creation Reviewed-by: bpb, serb, ssadetsky
author avstepan
date Thu, 14 Jan 2016 16:22:31 +0300
parents 20db05a43cb7
children 61884618e67d
files jdk/test/javax/imageio/plugins/tiff/MultiPageTest/MultiPageTest.java
diffstat 1 files changed, 239 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/imageio/plugins/tiff/MultiPageTest/MultiPageTest.java	Thu Jan 14 16:22:31 2016 +0300
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 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.
+ */
+
+/**
+ * @test
+ * @library /lib/testlibrary/
+ * @build jdk.testlibrary.*
+ *
+ * @bug     8145776
+ * @author  a.stepanov
+ * @summary A simple write-read test for the multi-page tiff.
+ *          Create the file programmaticaly, then do some simple checks
+ *          (number of pages, sizes, colors). Use -Dseed=X to set
+ *          the random generator seed.
+ *
+ * @run     main MultiPageTest
+ * @key     randomness
+ */
+
+
+import java.awt.*;
+import java.awt.image.*;
+import java.io.*;
+
+import java.util.*;
+
+import javax.imageio.*;
+import javax.imageio.stream.*;
+
+import jdk.testlibrary.RandomFactory;
+
+
+public class MultiPageTest {
+
+    private final String fileName;
+
+    private final int NUM_IMAGES = 51;
+
+    private final static Random rnd = RandomFactory.getRandom();
+
+    private final int w[], h[];
+    private final Color colors[];
+    private final int BLACK_SIZE = 100;
+
+    private final int imageType;
+
+
+    public MultiPageTest(int type, String tName) {
+
+        imageType = type;
+        fileName  = "test__" + tName + ".tif";
+
+        w = new int[NUM_IMAGES + 4];
+        h = new int[NUM_IMAGES + 4];
+
+        for (int i = 2; i < NUM_IMAGES + 2; i++) {
+            w[i] = 10 + rnd.nextInt(21);
+            h[i] = 10 + rnd.nextInt(21);
+        }
+
+        w[0] = BLACK_SIZE;  h[0] = BLACK_SIZE;
+        w[1] = BLACK_SIZE;  h[1] = BLACK_SIZE;
+        w[NUM_IMAGES + 2] = BLACK_SIZE;  h[NUM_IMAGES + 2] = BLACK_SIZE;
+        w[NUM_IMAGES + 3] = BLACK_SIZE;  h[NUM_IMAGES + 3] = BLACK_SIZE;
+
+
+        colors = new Color[NUM_IMAGES + 4];
+        for (int i = 2; i < NUM_IMAGES + 2; ++i) {
+            colors[i] = new Color(
+                rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
+        }
+
+        colors[0] = Color.black;
+        colors[1] = Color.black;
+        colors[NUM_IMAGES + 2] = Color.black;
+        colors[NUM_IMAGES + 3] = Color.black;
+    }
+
+
+    private ImageWriter getTIFFWriter() throws Exception {
+
+        Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("TIFF");
+        if (!writers.hasNext()) {
+            throw new RuntimeException("No writers available for " + fileName);
+        }
+        return writers.next();
+    }
+
+    private ImageReader getTIFFReader() throws Exception {
+
+        Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName("TIFF");
+        if (!readers.hasNext()) {
+            throw new RuntimeException("No readers available for " + fileName);
+        }
+        return readers.next();
+    }
+
+
+    private void createImage() throws Exception {
+
+        OutputStream s = new BufferedOutputStream(new FileOutputStream(fileName));
+        try (ImageOutputStream ios = ImageIO.createImageOutputStream(s)) {
+
+            ImageWriter writer = getTIFFWriter();
+            writer.setOutput(ios);
+
+            Graphics g;
+
+            BufferedImage blackImg =
+                new BufferedImage(BLACK_SIZE, BLACK_SIZE, imageType);
+            g = blackImg.getGraphics();
+            g.setColor(Color.black);
+            g.fillRect(0, 0, BLACK_SIZE, BLACK_SIZE);
+
+            writer.prepareWriteSequence(null);
+
+            for (int i = 2; i < NUM_IMAGES + 2; i++) {
+                BufferedImage img = new BufferedImage(w[i], h[i], imageType);
+
+                g = img.getGraphics();
+                g.setColor(colors[i]);
+                g.fillRect(0, 0, w[i], h[i]);
+
+                writer.writeToSequence(new IIOImage(img, null, null), null);
+            }
+
+            writer.endWriteSequence();
+
+            // check: insert to the beginning
+            writer.writeInsert(0, new IIOImage(blackImg, null, null), null);
+
+            // check: insert to non-zero position
+            writer.writeInsert(1, new IIOImage(blackImg, null, null), null);
+
+            // check: append to the end by index
+            writer.writeInsert(NUM_IMAGES + 2,
+                new IIOImage(blackImg, null, null), null);
+
+            // check: append to the end using index "-1"
+            writer.writeInsert(-1, new IIOImage(blackImg, null, null), null);
+
+            ios.flush();
+            writer.dispose();
+        }
+        s.close();
+    }
+
+
+
+    private void readAndCheckImage() throws Exception {
+
+        ImageReader reader = getTIFFReader();
+
+        ImageInputStream s = ImageIO.createImageInputStream(new File(fileName));
+        reader.setInput(s);
+
+
+        // check number of pages
+        if ((NUM_IMAGES + 4) != reader.getNumImages(true)) {
+            throw new RuntimeException("invalid number of images!");
+        }
+
+        // check colors / sizes
+        for (int i = 0; i < NUM_IMAGES + 4; i++) {
+
+            BufferedImage img = reader.read(i);
+
+            int imw = w[i], imh = h[i];
+
+            if ( (img.getWidth() != imw) || (img.getHeight() != imh) ) {
+                throw new RuntimeException("NOK: size(" + i + ")");
+            }
+
+            Color
+                    c1 = new Color(img.getRGB(0, 0)),
+                    c2 = new Color(img.getRGB(imw / 2, imh / 2)),
+                    c3 = new Color(img.getRGB(imw - 1, imh - 1));
+            if (! (c1.equals(colors[i]) && c1.equals(c2) && c1.equals(c3) ) ) {
+                throw new RuntimeException("NOK: color(" + i + ")");
+            }
+        }
+
+        reader.dispose();
+        s.close();
+    }
+
+    public void doTest() throws Exception {
+        createImage();
+        readAndCheckImage();
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        int types[] = new int[]{
+            BufferedImage.TYPE_INT_RGB,
+            BufferedImage.TYPE_INT_ARGB,
+            BufferedImage.TYPE_INT_ARGB_PRE,
+            BufferedImage.TYPE_INT_BGR,
+            BufferedImage.TYPE_3BYTE_BGR,
+            BufferedImage.TYPE_4BYTE_ABGR,
+            BufferedImage.TYPE_4BYTE_ABGR_PRE
+        };
+
+        String names[] = new String[]{
+            "TYPE_INT_RGB",
+            "TYPE_INT_ARGB",
+            "TYPE_INT_ARGB_PRE",
+            "TYPE_INT_BGR",
+            "TYPE_3BYTE_BGR",
+            "TYPE_4BYTE_ABGR",
+            "TYPE_4BYTE_ABGR_PRE"
+        };
+
+        for (int i = 0; i < types.length; i++) {
+            System.out.println("image type: " + names[i]);
+            (new MultiPageTest(types[i], names[i])).doTest();
+        }
+    }
+}