Java Code Examples for javax.imageio.ImageIO.getImageReadersBySuffix()

The following are Jave code examples for showing how to use getImageReadersBySuffix() of the javax.imageio.ImageIO class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
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Example 1
Project: openjdk-jdk10   File: GetReaderWriterInfo.java   View Source Code Vote up 5 votes
private static void testGetReaderFileSuffixes() {
    String[] suffixes = ImageIO.getReaderFileSuffixes();
    for (String s : suffixes) {
        Iterator<ImageReader> it = ImageIO.getImageReadersBySuffix(s);
        if (!it.hasNext()) {
            throw new RuntimeException("getReaderFileSuffixes returned " +
                                       "an unknown suffix: " + s);
        }
    }
}
 
Example 2
Project: openjdk-jdk10   File: TestSIMPPlugin.java   View Source Code Vote up 5 votes
public static void main(String args[]) throws Exception {
    Iterator<ImageReader> readers = ImageIO.getImageReadersBySuffix("simp");
    ImageReader simpReader = null;
    if (readers.hasNext()) {
        simpReader = readers.next();
        System.out.println("reader="+simpReader);
    }
    if (simpReader == null) {
        throw new RuntimeException("Reader not found.");
    }

    ImageReaderSpi spi = simpReader.getOriginatingProvider();
    IIOMetadataFormat spiFmt =
        spi.getImageMetadataFormat("simp_metadata_1.0");
    System.out.println("fmt from SPI=" + spiFmt);

    ByteArrayInputStream bais = new ByteArrayInputStream(simpData);
    ImageInputStream iis = new MemoryCacheImageInputStream(bais);
    simpReader.setInput(iis);
    BufferedImage bi = simpReader.read(0);
    System.out.println(bi);
    IIOMetadata metadata = simpReader.getImageMetadata(0);
    System.out.println("Image metadata="+metadata);
    IIOMetadataFormat format =
        metadata.getMetadataFormat("simp_metadata_1.0");
    System.out.println("Image metadata format="+format);
    if (format == null) {
        throw new RuntimeException("MetadataFormat not found.");
    }
}
 
Example 3
Project: imageio-jnr   File: TurboJpegImageReaderTest.java   View Source Code Vote up 5 votes
@Test
public void testReaderIsRegistered() {
  Supplier<Iterator<ImageReader>> getReaderIter = () -> ImageIO.getImageReadersBySuffix("jpg");
  assertThat(getReaderIter.get()).isNotEmpty();
  assertThat(getReaderIter.get()).hasAtLeastOneElementOfType(TurboJpegImageReader.class);
  getReaderIter = () -> ImageIO.getImageReadersByMIMEType("image/jpeg");
  assertThat(getReaderIter.get()).isNotEmpty();
  assertThat(getReaderIter.get()).hasAtLeastOneElementOfType(TurboJpegImageReader.class);
  getReaderIter = () -> ImageIO.getImageReadersByFormatName("jpeg");
  assertThat(getReaderIter.get()).isNotEmpty();
  assertThat(getReaderIter.get()).hasAtLeastOneElementOfType(TurboJpegImageReader.class);
}