Examples with ImageWriterSpi javax.imageio.spi.ImageWriterSpi used on opensource projects

Example 11 with ImageWriterSpi

use of javax.imageio.spi.ImageWriterSpi in project jdk8u_jdk by JetBrains.

the class NullInputOutput method main.

public static void main(String[] args) throws Exception {
    IIORegistry registry = IIORegistry.getDefaultInstance();
    // test ImageReader.read() for all available ImageReaders
    Iterator readerspis = registry.getServiceProviders(ImageReaderSpi.class, false);
    while (readerspis.hasNext()) {
        ImageReaderSpi readerspi = (ImageReaderSpi) readerspis.next();
        ImageReader reader = readerspi.createReaderInstance();
        try {
            reader.read(0);
        } catch (IllegalStateException ise) {
        // caught exception, everything's okay
        }
    }
    // test ImageWriter.write() for all available ImageWriters
    BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    Iterator writerspis = registry.getServiceProviders(ImageWriterSpi.class, false);
    while (writerspis.hasNext()) {
        ImageWriterSpi writerspi = (ImageWriterSpi) writerspis.next();
        ImageWriter writer = writerspi.createWriterInstance();
        try {
            writer.write(bi);
        } catch (IllegalStateException ise) {
        // caught exception, everything's okay
        }
    }
}

Example 12 with ImageWriterSpi

use of javax.imageio.spi.ImageWriterSpi in project jdk8u_jdk by JetBrains.

the class BMPPluginTest method test.

public boolean test() throws IIOException, IOException {
    ir.reset();
    iw.reset();
    String[] suffixes = iw.getOriginatingProvider().getFileSuffixes();
    IIOMetadata md = iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    System.out.println("Image type " + img.getType());
    ImageWriterSpi spi = iw.getOriginatingProvider();
    boolean bCanEncode = spi.canEncodeImage(img);
    System.out.println("Can encode image? " + (bCanEncode ? "YES" : "NO"));
    if (!bCanEncode) {
        return true;
    }
    IIOImage iio_img = new IIOImage(img, null, md);
    String fname = "test" + img.getType() + "." + suffixes[0];
    iw.setOutput(ImageIO.createImageOutputStream(new FileOutputStream(new File(fname))));
    System.out.print("write image ... ");
    iw.write(iio_img);
    System.out.println("OK");
    System.out.print("read image ... ");
    byte[] ba_image = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(ba_image);
    ir.setInput(ImageIO.createImageInputStream(new FileInputStream(new File(fname))));
    BufferedImage res = ir.read(0);
    System.out.println("OK");
    System.out.print("compare images ... ");
    boolean r = compare(img, res);
    System.out.println(r ? "OK" : "FAILED");
    return r;
}

Example 13 with ImageWriterSpi

use of javax.imageio.spi.ImageWriterSpi in project jdk8u_jdk by JetBrains.

the class PNGSpiStreamMetadata method main.

public static void main(String[] args) {
    ImageReaderSpi rspi = new PNGImageReaderSpi();
    if (rspi.getNativeStreamMetadataFormatName() != null) {
        fatal();
    }
    if (rspi.isStandardStreamMetadataFormatSupported() != false) {
        fatal();
    }
    if (rspi.getExtraStreamMetadataFormatNames() != null) {
        fatal();
    }
    ImageWriterSpi wspi = new PNGImageWriterSpi();
    if (wspi.getNativeStreamMetadataFormatName() != null) {
        fatal();
    }
    if (wspi.isStandardStreamMetadataFormatSupported() != false) {
        fatal();
    }
    if (wspi.getExtraStreamMetadataFormatNames() != null) {
        fatal();
    }
}

Example 14 with ImageWriterSpi

use of javax.imageio.spi.ImageWriterSpi in project jdk8u_jdk by JetBrains.

the class SpiTest method testImageWriterSpiConstructor.

public void testImageWriterSpiConstructor() {
    resetConstructorArguments();
    checkImageWriterSpiConstructor(true);
    vendorName = "My Vendor";
    checkImageWriterSpiConstructor(true);
    version = "My Version";
    checkImageWriterSpiConstructor(true);
    names = new String[0];
    checkImageWriterSpiConstructor(true);
    names = new String[1];
    names[0] = "My Format Name";
    checkImageWriterSpiConstructor(true);
    writerClassName = "com.mycompany.Writer";
    checkImageWriterSpiConstructor(true);
    outputTypes = new Class[0];
    checkImageWriterSpiConstructor(true);
    outputTypes = new Class[1];
    outputTypes[0] = Object.class;
    // Now it should work
    checkImageWriterSpiConstructor(false);
    // Test normalization of zero-length arrays
    suffixes = new String[0];
    MIMETypes = new String[0];
    readerSpiNames = new String[0];
    extraStreamMetadataFormatNames = new String[0];
    extraStreamMetadataFormatClassNames = new String[0];
    extraImageMetadataFormatNames = new String[0];
    extraImageMetadataFormatClassNames = new String[0];
    ImageWriterSpi spi = constructImageWriterSpi();
    if (spi.getFileSuffixes() != null) {
        error("Failed to normalize suffixes!");
    }
    if (spi.getMIMETypes() != null) {
        error("Failed to normalize MIMETypes!");
    }
    if (spi.getImageReaderSpiNames() != null) {
        error("Failed to normalize readerSpiNames!");
    }
    if (spi.getExtraStreamMetadataFormatNames() != null) {
        error("Failed to normalize extraStreamMetadataFormatNames!");
    }
    if (spi.getExtraImageMetadataFormatNames() != null) {
        error("Failed to normalize extraImageMetadataFormatNames!");
    }
}

Example 15 with ImageWriterSpi

use of javax.imageio.spi.ImageWriterSpi in project jdk8u_jdk by JetBrains.

the class CanWriteSequence method main.

public static void main(final String[] args) throws Exception {
    final IIORegistry registry = IIORegistry.getDefaultInstance();
    final Iterator<ImageWriterSpi> iter = registry.getServiceProviders(ImageWriterSpi.class, provider -> true, true);
    // Validates all supported ImageWriters
    while (iter.hasNext()) {
        final ImageWriter writer = iter.next().createWriterInstance();
        System.out.println("ImageWriter = " + writer);
        test(writer);
    }
    System.out.println("Test passed");
}