Examples with IIOMetadata javax.imageio.metadata.IIOMetadata used on opensource projects

Example 31 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata in project jdk8u_jdk by JetBrains.

the class RasterWithMinXTest method main.

public static void main(String[] args) {
    String format = "jpeg";
    // Set output file.
    ImageOutputStream output = new MemoryCacheImageOutputStream(new ByteArrayOutputStream());
    // Create image.
    BufferedImage bi = new BufferedImage(256, 256, BufferedImage.TYPE_3BYTE_BGR);
    // Populate image.
    int[] rgbArray = new int[256];
    for (int i = 0; i < 256; i++) {
        Arrays.fill(rgbArray, i);
        bi.setRGB(0, i, 256, 1, rgbArray, 0, 256);
    }
    // create translated raster in order to get non-zero minX and minY
    WritableRaster r = (WritableRaster) bi.getRaster().createTranslatedChild(64, 64);
    Iterator i = ImageIO.getImageWritersByFormatName(format);
    ImageWriter iw = null;
    while (i.hasNext() && iw == null) {
        Object o = i.next();
        if (o instanceof com.sun.imageio.plugins.jpeg.JPEGImageWriter) {
            iw = (ImageWriter) o;
        }
    }
    if (iw == null) {
        throw new RuntimeException("No available image writer");
    }
    ImageWriteParam iwp = iw.getDefaultWriteParam();
    IIOMetadata metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(bi.getColorModel(), r.getSampleModel()), iwp);
    IIOImage img = new IIOImage(r, null, metadata);
    iw.setOutput(output);
    try {
        iw.write(img);
    } catch (RasterFormatException e) {
        e.printStackTrace();
        throw new RuntimeException("RasterException occurs. Test Failed!");
    } catch (Exception ex) {
        ex.printStackTrace();
        throw new RuntimeException("Unexpected Exception");
    }
    // test case of theImageWriteParam with non-null sourceRegion
    iwp.setSourceRegion(new Rectangle(32, 32, 192, 192));
    metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(bi.getColorModel(), r.getSampleModel()), iwp);
    try {
        iw.write(metadata, img, iwp);
    } catch (RasterFormatException e) {
        e.printStackTrace();
        throw new RuntimeException("SetSourceRegion causes the RasterException. Test Failed!");
    } catch (Exception ex) {
        ex.printStackTrace();
        throw new RuntimeException("Unexpected Exception");
    }
}

Example 32 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata in project jdk8u_jdk by JetBrains.

the class ITXtTest method readFrom.

private static ITXtTest readFrom(File f) {
    try {
        ImageInputStream iis = ImageIO.createImageInputStream(f);
        ImageReader r = ImageIO.getImageReaders(iis).next();
        r.setInput(iis);
        IIOImage dst = r.readAll(0, null);
        // look for iTXt node
        IIOMetadata m = dst.getMetadata();
        Node root = m.getAsTree(m.getNativeMetadataFormatName());
        Node n = root.getFirstChild();
        while (n != null && !"iTXt".equals(n.getNodeName())) {
            n = n.getNextSibling();
        }
        if (n == null) {
            throw new RuntimeException("No iTXt node!");
        }
        ITXtTest t = ITXtTest.getFromNode((IIOMetadataNode) n);
        return t;
    } catch (Throwable e) {
        throw new RuntimeException("Reading test failed.", e);
    }
}

Example 33 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata in project jdk8u_jdk by JetBrains.

the class MergeStdCommentTest method main.

public static void main(String[] args) throws Exception {
    String format = "javax_imageio_1.0";
    BufferedImage img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType("image/png").next();
    IIOMetadata meta = iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), null);
    DOMImplementationRegistry registry;
    registry = DOMImplementationRegistry.newInstance();
    DOMImplementation impl = registry.getDOMImplementation("XML 3.0");
    Document doc = impl.createDocument(null, format, null);
    Element root, text, entry;
    root = doc.getDocumentElement();
    root.appendChild(text = doc.createElement("Text"));
    text.appendChild(entry = doc.createElement("TextEntry"));
    // keyword isn't #REQUIRED by the standard metadata format.
    // However, it is required by the PNG format, so we include it here.
    entry.setAttribute("keyword", "Comment");
    entry.setAttribute("value", "Some demo comment");
    meta.mergeTree(format, root);
}

Example 34 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata 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 35 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata in project jdk8u_jdk by JetBrains.

the class UshortOutOfMemoryTest method testGetAsTree.

public void testGetAsTree() {
    ImageWriteParam p = w.getDefaultWriteParam();
    IIOMetadata m = w.getDefaultImageMetadata(ImageTypeSpecifier.createFromBufferedImageType(type), p);
    String format = m.getNativeMetadataFormatName();
    System.out.println("native format: " + format);
    int count = 0;
    try {
        while (count < 100) {
            System.out.println(" test " + count++);
            m.getAsTree(format);
        }
    } catch (OutOfMemoryError e) {
        System.gc();
        throw new RuntimeException("Test failed. Number of performed operations: " + count, e);
    }
}