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

Example 1 with ImageTypeSpecifier

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

the class BooleanAttributes method test.

public static void test(String mimeType, boolean useStreamMeta, String metaXml, String... boolXpaths) throws Exception {
    BufferedImage img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType(mimeType).next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    ImageWriteParam param = null;
    IIOMetadata streamMeta = iw.getDefaultStreamMetadata(param);
    IIOMetadata imageMeta = iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    IIOMetadata meta = useStreamMeta ? streamMeta : imageMeta;
    Source src = new StreamSource(new StringReader(metaXml));
    DOMResult dst = new DOMResult();
    transform(src, dst);
    Document doc = (Document) dst.getNode();
    Element node = doc.getDocumentElement();
    String metaFormat = node.getNodeName();
    // Verify that the default metadata gets formatted correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, false);
    meta.mergeTree(metaFormat, node);
    // Verify that the merged metadata gets formatte correctly.
    verify(meta.getAsTree(metaFormat), boolXpaths, true);
    iw.write(streamMeta, new IIOImage(img, null, imageMeta), param);
    iw.dispose();
    ios.close();
    ImageReader ir = ImageIO.getImageReader(iw);
    byte[] bytes = os.toByteArray();
    if (bytes.length == 0)
        throw new AssertionError("Zero length image file");
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    if (useStreamMeta)
        meta = ir.getStreamMetadata();
    else
        meta = ir.getImageMetadata(0);
    // Verify again after writing and re-reading the image
    verify(meta.getAsTree(metaFormat), boolXpaths, true);
}

Example 2 with ImageTypeSpecifier

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

the class ImageReaderGetDestination method main.

public static void main(String[] argv) {
    Vector imageTypes = new Vector();
    boolean gotIAE1 = false;
    boolean gotIAE2 = false;
    boolean gotIAE3 = false;
    boolean gotIAE4 = false;
    try {
        DummyImageReaderImpl.getDestination(null, null, 5, 10);
    } catch (IllegalArgumentException iae) {
        gotIAE1 = true;
    } catch (Throwable ee) {
        System.out.println("Unexpected exception 1:");
        ee.printStackTrace();
    }
    if (!gotIAE1) {
        throw new RuntimeException("Failed to get IAE #1!");
    }
    try {
        DummyImageReaderImpl.getDestination(null, imageTypes.iterator(), 5, 10);
    } catch (IllegalArgumentException iae) {
        gotIAE2 = true;
    } catch (Throwable ee) {
        System.out.println("Unexpected exception 2:");
        ee.printStackTrace();
    }
    if (!gotIAE2) {
        throw new RuntimeException("Failed to get IAE #2!");
    }
    imageTypes.add("abc");
    try {
        DummyImageReaderImpl.getDestination(null, imageTypes.iterator(), 5, 10);
    } catch (IllegalArgumentException iae) {
        gotIAE3 = true;
    } catch (Throwable ee) {
        System.out.println("Unexpected exception 3:");
        ee.printStackTrace();
    }
    if (!gotIAE3) {
        throw new RuntimeException("Failed to get IAE #3!");
    }
    imageTypes.clear();
    ImageTypeSpecifier its = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
    imageTypes.add(its);
    try {
        DummyImageReaderImpl.getDestination(null, imageTypes.iterator(), Integer.MAX_VALUE, Integer.MAX_VALUE);
    } catch (IllegalArgumentException iae) {
        gotIAE4 = true;
    } catch (Throwable ee) {
        System.out.println("Unexpected exception 4: ");
        ee.printStackTrace();
    }
    if (!gotIAE4) {
        throw new RuntimeException("Failed to get IAE #4!");
    }
}

Example 3 with ImageTypeSpecifier

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

the class ImageTypeSpecifierBitsPerBand method main.

public static void main(String[] args) {
    int biType = BufferedImage.TYPE_USHORT_565_RGB;
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromBufferedImageType(biType);
    int b0 = type.getBitsPerBand(0);
    int b1 = type.getBitsPerBand(1);
    int b2 = type.getBitsPerBand(2);
    if (b0 != 5 || b1 != 6 || b2 != 5) {
        throw new RuntimeException("Got incorrect bits per band value!");
    }
    boolean gotIAE = false;
    try {
        int b3 = type.getBitsPerBand(3);
    } catch (IllegalArgumentException e) {
        gotIAE = true;
    }
    if (!gotIAE) {
        throw new RuntimeException("Failed to get IllegalArgumentException for band == 3!");
    }
}

Example 4 with ImageTypeSpecifier

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

the class BMPWriteParamTest method getWriteResult.

private static BufferedImage getWriteResult(BufferedImage img, String format) throws IOException {
    ImageWriter iw = null;
    Iterator writers = ImageIO.getImageWritersByFormatName(format);
    while (writers.hasNext()) {
        iw = (ImageWriter) writers.next();
        System.out.println(format + " -> " + iw.toString());
    }
    if (iw == null) {
        throw new RuntimeException("No available Image writer for " + format);
    }
    ImageWriteParam param = iw.getDefaultWriteParam();
    param.setSourceRegion(new Rectangle(10, 10, 31, 31));
    param.setSourceSubsampling(3, 3, 0, 0);
    IIOMetadata meta = iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), param);
    IIOImage iio_img = new IIOImage(img, null, meta);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    iw.setOutput(ios);
    iw.write(meta, iio_img, param);
    ios.flush();
    byte[] ba_image = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(ba_image);
    ImageReader ir = null;
    Iterator readers = ImageIO.getImageReadersByFormatName(format);
    while (readers.hasNext()) {
        ir = (ImageReader) readers.next();
        System.out.println(format + " -> " + ir.toString());
    }
    if (ir == null) {
        throw new RuntimeException("No available Image reader for " + format);
    }
    ir.setInput(ImageIO.createImageInputStream(bais));
    BufferedImage res = ir.read(0);
    return res;
}

Example 5 with ImageTypeSpecifier

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

the class LogicalScreenDimensionTest method main.

public static void main(String[] args) throws IOException {
    String format = "GIF";
    ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
    if (writer == null) {
        throw new RuntimeException("No available writers for " + format);
    }
    BufferedImage img = createTestImage(100, 100, BufferedImage.TYPE_BYTE_GRAY);
    ImageWriteParam p = writer.getDefaultWriteParam();
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromRenderedImage(img);
    IIOMetadata inImageMetadata = writer.getDefaultImageMetadata(type, p);
    IIOMetadata inStreamMetadata = writer.getDefaultStreamMetadata(p);
    // write and read image
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    writer.write(inStreamMetadata, new IIOImage(img, null, inImageMetadata), p);
    ios.flush();
    ios.close();
    // read result
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ImageInputStream iis = ImageIO.createImageInputStream(bais);
    ImageReader reader = ImageIO.getImageReader(writer);
    reader.setInput(iis);
    IIOMetadata outStreamMetadata = reader.getStreamMetadata();
    GIFStreamMetadata gifStreamMetadata = (GIFStreamMetadata) outStreamMetadata;
    if (gifStreamMetadata.logicalScreenWidth != img.getWidth() || gifStreamMetadata.logicalScreenHeight != img.getHeight()) {
        throw new RuntimeException("Test failed due to wrong logical screen dimension.");
    }
}