Examples of hipi.imagebundle.AbstractImageBundle

hipi.imagebundle.AbstractImageBundle
Base class for all image bundles in HIPI. All subclasses must implement methods to open, read, and close the image bundles. This class can also be used to write an image bundle but image bundles have to read and written sequentially. Thus, in order to create an image bundle, you have to open a new file and then write the entire contents. Once you have opened the file you cannot read anything from the file until you have closed it.


  public abstract AbstractImageBundle createImageBundleAndOpen(int mode) throws IOException;


  @Before
  public void setUp() throws IOException {
    AbstractImageBundle aib = createImageBundleAndOpen(AbstractImageBundle.FILE_MODE_WRITE);
    aib.addImage(new FileInputStream("data/test/ImageBundleTestCase/read/0.jpg"), ImageType.JPEG_IMAGE);
    aib.addImage(new FileInputStream("data/test/ImageBundleTestCase/read/1.jpg"), ImageType.JPEG_IMAGE);
    aib.close();
  }

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    aib.close();
  }


  @Test
  public void testIterator() throws IOException {
    AbstractImageBundle aib = createImageBundleAndOpen(AbstractImageBundle.FILE_MODE_READ);
    ImageDecoder decoder = JPEGImageUtil.getInstance();
    int count = 0;
    while (aib.hasNext()) {
      aib.next();
      FloatImage image = aib.getCurrentImage();
      FloatImage source = decoder.decodeImage(new FileInputStream("data/test/ImageBundleTestCase/read/" + count + ".jpg"));
      assertEquals(count + " image fails", source, image);
      count++;
    }
    aib.close();
  }

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    aib.close();
  }


  @Test
  public void testGetCurrentImage() throws IOException {
    AbstractImageBundle aib = createImageBundleAndOpen(AbstractImageBundle.FILE_MODE_READ);
    ImageDecoder decoder = JPEGImageUtil.getInstance();
    int count = 0;
    while (aib.hasNext()) {
      aib.next();
      FloatImage source = decoder.decodeImage(new FileInputStream("data/test/ImageBundleTestCase/read/" + count + ".jpg"));
      FloatImage image = aib.getCurrentImage();
      assertEquals(count + " image, first trial fails", source, image);
      image = aib.getCurrentImage();
      assertEquals(count + " image, second trial fails", source, image);
      image = aib.getCurrentImage();
      assertEquals(count + " image, third trial fails", source, image);
      count++;
    }
    aib.close();
  }

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    aib.close();
  }


  @Test
  public void testNext() throws IOException {
    AbstractImageBundle aib = createImageBundleAndOpen(AbstractImageBundle.FILE_MODE_READ);
    ImageDecoder decoder = JPEGImageUtil.getInstance();
    aib.next(); aib.next();
    FloatImage source = decoder.decodeImage(new FileInputStream("data/test/ImageBundleTestCase/read/1.jpg"));
    FloatImage image = aib.getCurrentImage();
    assertEquals("skip image fails", source, image);
    aib.close();
  }

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    aib.close();
  }


  @Test
  public void testHasNext() throws IOException {
    AbstractImageBundle aib = createImageBundleAndOpen(AbstractImageBundle.FILE_MODE_READ);
    FloatImage source, image;
    ImageDecoder decoder = JPEGImageUtil.getInstance();
    assertTrue("first trial fail to assert hasNext", aib.hasNext());
    assertTrue("second trial fail to assert hasNext", aib.hasNext());
    assertTrue("third trial fail to assert hasNext", aib.hasNext());
    aib.next();
    source = decoder.decodeImage(new FileInputStream("data/test/ImageBundleTestCase/read/0.jpg"));
    image = aib.getCurrentImage();
    assertEquals("first image fails", source, image);
    assertTrue("first trial fail to assert hasNext", aib.hasNext());
    assertTrue("second trial fail to assert hasNext", aib.hasNext());
    assertTrue("third trial fail to assert hasNext", aib.hasNext());
    aib.next();
    source = decoder.decodeImage(new FileInputStream("data/test/ImageBundleTestCase/read/1.jpg"));
    image = aib.getCurrentImage();
    assertEquals("second image fails", source, image);
    assertFalse("first trial fail to assert hasNext", aib.hasNext());
    assertFalse("second trial fail to assert hasNext", aib.hasNext());
    assertFalse("third trial fail to assert hasNext", aib.hasNext());
    aib.close();
  }

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hipi.unittest.AbstractImageBundleTestCase

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java.io.ByteArrayInputStream

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