Examples with ImageTypeSpecifier javax.imageio.ImageTypeSpecifier used on opensource projects

Example 51 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier in project jdk8u_jdk by JetBrains.

the class UshortGrayTest method main.

public static void main(String[] args) {
    Iterator iter;
    BufferedImage bi = new BufferedImage(10, 10, BufferedImage.TYPE_USHORT_GRAY);
    // Part 1: ensure that JPEGImageWriter throws an exception if it
    // encounters an image with 16-bit samples
    ImageWriter writer = null;
    iter = ImageIO.getImageWritersByFormatName("jpeg");
    if (iter.hasNext()) {
        writer = (ImageWriter) iter.next();
    } else {
        throw new RuntimeException("No JPEG reader found");
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = null;
    boolean exceptionThrown = false;
    try {
        ios = ImageIO.createImageOutputStream(baos);
    } catch (IOException ioe) {
        throw new RuntimeException("Could not create ImageOutputStream");
    }
    try {
        writer.setOutput(ios);
        writer.write(bi);
    } catch (IOException ioe) {
        exceptionThrown = true;
    }
    if (!exceptionThrown) {
        throw new RuntimeException("JPEG writer should not be able to " + "write USHORT_GRAY images");
    }
    // Part 2: ensure that JPEGImageWriterSpi.canEncodeImage() returns
    // false for images with 16-bit samples
    ImageTypeSpecifier its = ImageTypeSpecifier.createFromRenderedImage(bi);
    iter = ImageIO.getImageWriters(its, "jpeg");
    if (iter.hasNext()) {
        throw new RuntimeException("JPEG writer should not be available" + " for USHORT_GRAY images");
    }
}

Example 52 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier 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 53 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier in project jdk8u_jdk by JetBrains.

the class DestTypeTest method getWriteParam.

public ImageWriteParam getWriteParam() {
    ImageWriteParam p = w.getDefaultWriteParam();
    p.setSourceBands(new int[] { 0, 1, 2 });
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
    p.setDestinationType(type);
    return p;
}

Example 54 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier in project jdk8u_jdk by JetBrains.

the class ImageTypeSpecifierTest method test4429934.

private static void test4429934() {
    try {
        ImageTypeSpecifier itspecifier = new ImageTypeSpecifier(null, null);
        fail("Failed to get IAE!");
    } catch (IllegalArgumentException e) {
    }
    try {
        ImageTypeSpecifier itspecifier = new ImageTypeSpecifier(null);
        fail("Failed to get IAE!");
    } catch (IllegalArgumentException e) {
    }
}

Example 55 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier in project jdk8u_jdk by JetBrains.

the class ImageTypeSpecifierTest method test4430993.

private static void test4430993() {
    ImageTypeSpecifier itspecifier;
    int bits = 32;
    int rmask = 0x00ff0000;
    int gmask = 0x0000ff00;
    int bmask = 0x000000ff;
    ColorModel dcm = new java.awt.image.DirectColorModel(bits, rmask, gmask, bmask);
    int[] bandOffsets = new int[2];
    bandOffsets[1] = 1;
    SampleModel sm = new java.awt.image.ComponentSampleModel(DataBuffer.TYPE_SHORT, 1, 1, 2, 2, bandOffsets);
    try {
        itspecifier = new ImageTypeSpecifier(dcm, sm);
        fail("Failed to get IAE!");
    } catch (IllegalArgumentException e) {
    }
}