1 /*
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   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.
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  23 
  24 /**
  25  * @test
  26  * @library /lib/testlibrary/
  27  * @build jdk.testlibrary.*
  28  *
  29  * @bug     8145776
  30  * @author  a.stepanov
  31  * @summary A simple write-read test for the multi-page tiff.
  32  *          Create the file programmaticaly, then do some simple checks
  33  *          (number of pages, sizes, colors). Use -Dseed=X to set
  34  *          the random generator seed.
  35  *
  36  * @run     main MultiPageTest
  37  * @key     randomness
  38  */
  39 
  40 
  41 import java.awt.*;
  42 import java.awt.image.*;
  43 import java.io.*;
  44 
  45 import java.util.*;
  46 
  47 import javax.imageio.*;
  48 import javax.imageio.stream.*;
  49 
  50 import jdk.testlibrary.RandomFactory;
  51 
  52 
  53 public class MultiPageTest {
  54 
  55     private final String fileName;
  56 
  57     private final int NUM_IMAGES = 51;
  58 
  59     private final static Random rnd = RandomFactory.getRandom();
  60 
  61     private final int w[], h[];
  62     private final Color colors[];
  63     private final int BLACK_SIZE = 100;
  64 
  65     private final int imageType;
  66 
  67 
  68     public MultiPageTest(int type, String tName) {
  69 
  70         imageType = type;
  71         fileName  = "test__" + tName + ".tif";
  72 
  73         w = new int[NUM_IMAGES + 4];
  74         h = new int[NUM_IMAGES + 4];
  75 
  76         for (int i = 2; i < NUM_IMAGES + 2; i++) {
  77             w[i] = 10 + rnd.nextInt(21);
  78             h[i] = 10 + rnd.nextInt(21);
  79         }
  80 
  81         w[0] = BLACK_SIZE;  h[0] = BLACK_SIZE;
  82         w[1] = BLACK_SIZE;  h[1] = BLACK_SIZE;
  83         w[NUM_IMAGES + 2] = BLACK_SIZE;  h[NUM_IMAGES + 2] = BLACK_SIZE;
  84         w[NUM_IMAGES + 3] = BLACK_SIZE;  h[NUM_IMAGES + 3] = BLACK_SIZE;
  85 
  86 
  87         colors = new Color[NUM_IMAGES + 4];
  88         for (int i = 2; i < NUM_IMAGES + 2; ++i) {
  89             colors[i] = new Color(
  90                 rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
  91         }
  92 
  93         colors[0] = Color.black;
  94         colors[1] = Color.black;
  95         colors[NUM_IMAGES + 2] = Color.black;
  96         colors[NUM_IMAGES + 3] = Color.black;
  97     }
  98 
  99 
 100     private ImageWriter getTIFFWriter() throws Exception {
 101 
 102         Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("TIFF");
 103         if (!writers.hasNext()) {
 104             throw new RuntimeException("No writers available for " + fileName);
 105         }
 106         return writers.next();
 107     }
 108 
 109     private ImageReader getTIFFReader() throws Exception {
 110 
 111         Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName("TIFF");
 112         if (!readers.hasNext()) {
 113             throw new RuntimeException("No readers available for " + fileName);
 114         }
 115         return readers.next();
 116     }
 117 
 118 
 119     private void createImage() throws Exception {
 120 
 121         OutputStream s = new BufferedOutputStream(new FileOutputStream(fileName));
 122         try (ImageOutputStream ios = ImageIO.createImageOutputStream(s)) {
 123 
 124             ImageWriter writer = getTIFFWriter();
 125             writer.setOutput(ios);
 126 
 127             Graphics g;
 128 
 129             BufferedImage blackImg =
 130                 new BufferedImage(BLACK_SIZE, BLACK_SIZE, imageType);
 131             g = blackImg.getGraphics();
 132             g.setColor(Color.black);
 133             g.fillRect(0, 0, BLACK_SIZE, BLACK_SIZE);
 134 
 135             writer.prepareWriteSequence(null);
 136 
 137             for (int i = 2; i < NUM_IMAGES + 2; i++) {
 138                 BufferedImage img = new BufferedImage(w[i], h[i], imageType);
 139 
 140                 g = img.getGraphics();
 141                 g.setColor(colors[i]);
 142                 g.fillRect(0, 0, w[i], h[i]);
 143 
 144                 writer.writeToSequence(new IIOImage(img, null, null), null);
 145             }
 146 
 147             writer.endWriteSequence();
 148 
 149             // check: insert to the beginning
 150             writer.writeInsert(0, new IIOImage(blackImg, null, null), null);
 151 
 152             // check: insert to non-zero position
 153             writer.writeInsert(1, new IIOImage(blackImg, null, null), null);
 154 
 155             // check: append to the end by index
 156             writer.writeInsert(NUM_IMAGES + 2,
 157                 new IIOImage(blackImg, null, null), null);
 158 
 159             // check: append to the end using index "-1"
 160             writer.writeInsert(-1, new IIOImage(blackImg, null, null), null);
 161 
 162             ios.flush();
 163             writer.dispose();
 164         }
 165         s.close();
 166     }
 167 
 168 
 169 
 170     private void readAndCheckImage() throws Exception {
 171 
 172         ImageReader reader = getTIFFReader();
 173 
 174         ImageInputStream s = ImageIO.createImageInputStream(new File(fileName));
 175         reader.setInput(s);
 176 
 177 
 178         // check number of pages
 179         if ((NUM_IMAGES + 4) != reader.getNumImages(true)) {
 180             throw new RuntimeException("invalid number of images!");
 181         }
 182 
 183         // check colors / sizes
 184         for (int i = 0; i < NUM_IMAGES + 4; i++) {
 185 
 186             BufferedImage img = reader.read(i);
 187 
 188             int imw = w[i], imh = h[i];
 189 
 190             if ( (img.getWidth() != imw) || (img.getHeight() != imh) ) {
 191                 throw new RuntimeException("NOK: size(" + i + ")");
 192             }
 193 
 194             Color
 195                     c1 = new Color(img.getRGB(0, 0)),
 196                     c2 = new Color(img.getRGB(imw / 2, imh / 2)),
 197                     c3 = new Color(img.getRGB(imw - 1, imh - 1));
 198             if (! (c1.equals(colors[i]) && c1.equals(c2) && c1.equals(c3) ) ) {
 199                 throw new RuntimeException("NOK: color(" + i + ")");
 200             }
 201         }
 202 
 203         reader.dispose();
 204         s.close();
 205     }
 206 
 207     public void doTest() throws Exception {
 208         createImage();
 209         readAndCheckImage();
 210     }
 211 
 212     public static void main(String[] args) throws Exception {
 213 
 214         int types[] = new int[]{
 215             BufferedImage.TYPE_INT_RGB,
 216             BufferedImage.TYPE_INT_ARGB,
 217             BufferedImage.TYPE_INT_ARGB_PRE,
 218             BufferedImage.TYPE_INT_BGR,
 219             BufferedImage.TYPE_3BYTE_BGR,
 220             BufferedImage.TYPE_4BYTE_ABGR,
 221             BufferedImage.TYPE_4BYTE_ABGR_PRE
 222         };
 223 
 224         String names[] = new String[]{
 225             "TYPE_INT_RGB",
 226             "TYPE_INT_ARGB",
 227             "TYPE_INT_ARGB_PRE",
 228             "TYPE_INT_BGR",
 229             "TYPE_3BYTE_BGR",
 230             "TYPE_4BYTE_ABGR",
 231             "TYPE_4BYTE_ABGR_PRE"
 232         };
 233 
 234         for (int i = 0; i < types.length; i++) {
 235             System.out.println("image type: " + names[i]);
 236             (new MultiPageTest(types[i], names[i])).doTest();
 237         }
 238     }
 239 }