Package hipi.image.io

Examples of hipi.image.io.ImageDecoder

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   * Test method for {@link hipi.image.io.JPEGImageUtil#decodeImageHeader(java.io.InputStream)}.
   * @throws IOException
   */
  @Test
  public void testDecodeImageHeader() throws IOException {
    ImageDecoder decoder = JPEGImageUtil.getInstance();
    FileInputStream fis;
    ImageHeader header;
    String[] fileName = {"canon-ixus", "fujifilm-dx10", "fujifilm-finepix40i", "fujifilm-mx1700", "kodak-dc210", "kodak-dc240", "nikon-e950", "olympus-c960", "ricoh-rdc5300", "sanyo-vpcg250", "sanyo-vpcsx550", "sony-cybershot", "sony-d700"};
    String[] model = {"Canon DIGITAL IXUS", "DX-10", "FinePix40i", "MX-1700ZOOM", "DC210 Zoom (V05.00)", "KODAK DC240 ZOOM DIGITAL CAMERA", "E950", "C960Z,D460Z", "RDC-5300", "SR6", "SX113", "CYBERSHOT", "DSC-D700"};
    int[] width = {640, 1024, 600, 640, 640, 640, 800, 640, 896, 640, 640, 640, 672};
    int[] height = {480, 768, 450, 480, 480, 480, 600, 480, 600, 480, 480, 480, 512};
    int[] bit_depth = {8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8};
    for (int i = 0; i < fileName.length; i++)
    {
      fis = new FileInputStream("data/test/JPEGImageUtilTestCase/exif/" + fileName[i] + ".jpg");
      header = decoder.decodeImageHeader(fis);
      assertEquals("exif model not correct", model[i].trim(), header.getEXIFInformation("Model").trim());
      assertEquals("width not correct", width[i], header.width);
      assertEquals("height not correct", height[i], header.height);
      assertEquals("bit depth not correct", bit_depth[i], header.bitDepth);
    }
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  }

  @Override
  protected ImageHeader readHeader() throws IOException {
    if (_cacheData != null) {
      ImageDecoder decoder = CodecManager.getDecoder(ImageType.fromValue(_cacheType));
      if (decoder == null)
        return null;
      ByteArrayInputStream bis = new ByteArrayInputStream(_cacheData);
      ImageHeader header = decoder.decodeImageHeader(bis);
      bis.close();
      return header;
    }
    return null;
  }
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   * Test method for {@link hipi.image.io.JPEGImageUtil#decodeImage(java.io.InputStream)}.
   * @throws IOException
   */
  @Test
  public void testDecodeImage() throws IOException {
    ImageDecoder jpgDecoder, ppmDecoder;
    jpgDecoder = JPEGImageUtil.getInstance();
    ppmDecoder = PPMImageUtil.getInstance();
    FileInputStream fis;
    FloatImage ppmImage, jpgImage;
    String[] fileName = {"canon-ixus", "cmyk-jpeg-format"};
    for (int i = 0; i < fileName.length; i++)
    {
      fis = new FileInputStream("data/test/JPEGImageUtilTestCase/truth/" + fileName[i] + ".ppm");
      ppmImage = ppmDecoder.decodeImage(fis);
      assumeNotNull(ppmImage);
      fis = new FileInputStream("data/test/JPEGImageUtilTestCase/decode/" + fileName[i] + ".jpg");
      jpgImage = jpgDecoder.decodeImage(fis);
      assumeNotNull(jpgImage);
      assertEquals(fileName[i] + " decoding fails", ppmImage, jpgImage);
    }
  }
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  }

  @Override
  protected FloatImage readImage() throws IOException {
    if (_cacheData != null) {
      ImageDecoder decoder = CodecManager.getDecoder(ImageType.fromValue(_cacheType));
      if (decoder == null)
        return null;
      ByteArrayInputStream bis = new ByteArrayInputStream(_cacheData);
      FloatImage image = decoder.decodeImage(bis);
      bis.close();
      return image;
    }
    return null;
  }
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   * Test method for {@link hipi.image.io.JPEGImageUtil#encodeImage(hipi.image.FloatImage, hipi.image.ImageHeader, java.io.OutputStream)}.
   * @throws IOException
   */
  @Test
  public void testEncodeImage() throws IOException {
    ImageDecoder decoder = PPMImageUtil.getInstance();
    ImageEncoder encoder = JPEGImageUtil.getInstance();
    FileInputStream pis;
    FileOutputStream jos;
    FloatImage image;
    String[] fileName = {"canon-ixus", "cmyk-jpeg-format"};
    for (int i = 0; i < fileName.length; i++)
    {
      pis = new FileInputStream("data/test/JPEGImageUtilTestCase/truth/" + fileName[i] + ".ppm");
      image = decoder.decodeImage(pis);
      jos = new FileOutputStream("/tmp/" + fileName[i] + ".jpg");
      encoder.encodeImage(image, null, jos);
      Runtime rt = Runtime.getRuntime();
      Process pr = rt.exec("compare -metric PSNR data/test/JPEGImageUtilTestCase/truth/" + fileName[i] + ".ppm /tmp/" + fileName[i] + ".jpg /tmp/psnr.png");
      Scanner scanner = new Scanner(new InputStreamReader(pr.getErrorStream()));
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   * @throws IOException
   */
 
  @Test
  public void testDecodeImageHeader() throws IOException {
    ImageDecoder decoder = PNGImageUtil.getInstance();
    FileInputStream fis;
    ImageHeader header;
    String[] fileName = {"canon-ixus", "fujifilm-dx10", "fujifilm-finepix40i", "fujifilm-mx1700", "kodak-dc210", "kodak-dc240", "nikon-e950", "olympus-c960", "ricoh-rdc5300", "sanyo-vpcg250", "sanyo-vpcsx550", "sony-cybershot", "sony-d700"};
    int[] width = {640, 1024, 600, 640, 640, 640, 800, 640, 896, 640, 640, 640, 672};
    int[] height = {480, 768, 450, 480, 480, 480, 600, 480, 600, 480, 480, 480, 512};
    int[] bit_depth = {8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8};
    for (int i = 0; i < fileName.length; i++)
    {
      fis = new FileInputStream("data/test/PNGImageUtilTestCase/exif/" + fileName[i] + ".png");
      header = decoder.decodeImageHeader(fis);
      assertEquals("width not correct", width[i], header.width);
      assertEquals("height not correct", height[i], header.height);
      assertEquals("bit depth not correct", bit_depth[i], header.bitDepth);
    }
  }
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  }
 
  @Override
  protected ImageHeader readHeader() throws IOException {
    if (_filesInHar != null) {
      ImageDecoder decoder = CodecManager.getDecoder(ImageType.fromValue(_cacheType));
      if (decoder == null)
        return null;
      ByteArrayInputStream bis = new ByteArrayInputStream(_cacheData);
      ImageHeader header = decoder.decodeImageHeader(bis);
      bis.close();
      return header;
    }
    return null;
  }
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   * @throws IOException
   */
 
  @Test
  public void testDecodeImage() throws IOException {
    ImageDecoder pngDecoder, ppmDecoder;
    pngDecoder = PNGImageUtil.getInstance();
    ppmDecoder = PPMImageUtil.getInstance();
    FileInputStream fis;
    FloatImage ppmImage, pngImage;
    String[] fileName = {"canon-ixus", "cmyk-jpeg-format"};
    for (int i = 0; i < fileName.length; i++)
    {
      fis = new FileInputStream("data/test/PNGImageUtilTestCase/truth/" + fileName[i] + ".ppm");
      ppmImage = ppmDecoder.decodeImage(fis);
      assumeNotNull(ppmImage);
      fis = new FileInputStream("data/test/PNGImageUtilTestCase/decode/" + fileName[i] + ".png");
      pngImage = pngDecoder.decodeImage(fis);
      assumeNotNull(pngImage);
      assertEquals(fileName[i] + " decoding fails for " + fileName[i], ppmImage, pngImage);
    }
  }
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  }

  @Override
  protected FloatImage readImage() throws IOException {
    if (_filesInHar != null) {
      ImageDecoder decoder = CodecManager.getDecoder(ImageType.fromValue(_cacheType));
      if (decoder == null)
        return null;
      ByteArrayInputStream bis = new ByteArrayInputStream(_cacheData);
      FloatImage image = decoder.decodeImage(bis);
      bis.close();
      return image;
    }
     return null;
  }
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   * Test method for {@link hipi.image.io.PNGImageUtil#encodeImage(hipi.image.FloatImage, hipi.image.ImageHeader, java.io.OutputStream)}.
   * @throws IOException
   */
  @Test
  public void testEncodeImage() throws IOException {   
    ImageDecoder decoder = PPMImageUtil.getInstance();
    ImageEncoder encoder = PNGImageUtil.getInstance();
    FileInputStream pis;
    FileOutputStream pos;
    FloatImage image;
    String[] fileName = {"canon-ixus", "cmyk-jpeg-format"};
    for (int i = 0; i < fileName.length; i++)
    {
      pis = new FileInputStream("data/test/PNGImageUtilTestCase/truth/" + fileName[i] + ".ppm");
      image = decoder.decodeImage(pis);
      pos = new FileOutputStream("/tmp/" + fileName[i] + ".png");
      encoder.encodeImage(image, null, pos);
      Runtime rt = Runtime.getRuntime();
      Process pr = rt.exec("compare -metric MSE data/test/PNGImageUtilTestCase/truth/" + fileName[i] + ".ppm /tmp/" + fileName[i] + ".png /tmp/psnr.png");
      Scanner scanner = new Scanner(new InputStreamReader(pr.getErrorStream()));
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Related Classes of hipi.image.io.ImageDecoder

  • hipi.imagebundle.HARImageBundle
  • hipi.imagebundle.HipiImageBundle$FileReader
  • hipi.imagebundle.SeqImageBundle
  • hipi.unittest.AbstractImageBundleTestCase
  • hipi.unittest.FloatImageTestCase
  • hipi.unittest.JPEGImageUtilTestCase
  • hipi.unittest.PNGImageUtilTestCase
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