Examples with ImageOutputStream javax.imageio.stream.ImageOutputStream used on opensource projects

Example 51 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class WritingInterruptionTest method doTest.

public void doTest() {
    try {
        w.addIIOWriteProgressListener(this);
        File f = File.createTempFile("writer_", ".jpg", pwd);
        ImageOutputStream ios = ImageIO.createImageOutputStream(f);
        w.setOutput(ios);
        Thread.sleep(70);
        w.write(img);
        Thread.sleep(70);
    } catch (Exception e) {
        /*
             * we do expect that concurrent attempt to dispose this
             * instance of image writer will be blocked. So, this image
             * should be writen sucessfuly. Otherwise, something went wrong
             * and we need to report test failure.
             */
        throw new RuntimeException("Test FAILED", e);
    } finally {
        /*
             * it would happen that concurrent invocation of dispose() method
             * will be successful. Due to race condition it seems to be possible
             * that dispose operation will be performed after than write() operation
             * leaveled thread lock. In this case all subsequent calls for writer
             * methods should results in IllegalStateException. So, we treat
             * IllegalStateException as success. Everything else means test failure.
             */
        try {
            w.reset();
        } catch (IllegalStateException e) {
            System.out.println("Expected exception was caught: " + e);
        } catch (Exception e) {
            throw new RuntimeException("Test FAILED.", e);
        }
    }
    System.out.println("Test PASSED.");
}

Example 52 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class DestTypeTest method writeTest.

public byte[] writeTest(BufferedImage bi, ImageWriteParam p, IIOMetadata m) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    // write test image as jpeg
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    w.setOutput(ios);
    w.write(null, new IIOImage(bi, null, m), p);
    ios.close();
    return baos.toByteArray();
}

Example 53 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class ImageStreamFromRAF method main.

public static void main(String[] args) {
    try {
        File f = new File("ImageInputStreamFromRAF.tmp");
        RandomAccessFile raf = new RandomAccessFile(f, "rw");
        ImageInputStream istream = ImageIO.createImageInputStream(raf);
        ImageOutputStream ostream = ImageIO.createImageOutputStream(raf);
        f.delete();
        if (istream == null) {
            throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) returned null!");
        }
        if (ostream == null) {
            throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) returned null!");
        }
        if (!(istream instanceof FileImageInputStream)) {
            throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) did not return a FileImageInputStream!");
        }
        if (!(ostream instanceof FileImageOutputStream)) {
            throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) did not return a FileImageOutputStream!");
        }
    } catch (IOException ioe) {
        throw new RuntimeException("Unexpected IOException: " + ioe);
    }
}

Example 54 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class ConcurrentWritingTest method run.

public void run() {
    try {
        File f = File.createTempFile("writer_", ".jpg", pwd);
        ImageOutputStream ios = ImageIO.createImageOutputStream(f);
        w.setOutput(ios);
        Thread.sleep(70);
        w.write(img);
        Thread.sleep(70);
        w.reset();
    } catch (IllegalStateException e) {
        System.out.println(e);
    } catch (IOException e) {
        System.out.println(e);
    } catch (Throwable e) {
        // Unexpected exception. Test failed.
        throw new RuntimeException("Test failed.", e);
    } finally {
        synchronized (lock) {
            completeCount++;
        }
    }
}

Example 55 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class EncodeSubImageTest method write.

private void write(File f, boolean subsample) throws IOException {
    ImageOutputStream ios = ImageIO.createImageOutputStream(f);
    writer.setOutput(ios);
    ImageWriteParam p = writer.getDefaultWriteParam();
    if (subsample) {
        p.setSourceSubsampling(subSampleX, subSampleY, 0, 0);
    }
    writer.write(null, new IIOImage(img, null, null), p);
    ios.close();
    writer.reset();
}