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

Example 6 with IIOMetadata

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

the class ItxtUtf8Test method runTest.

public static void runTest(boolean dump, boolean truncate) throws Exception {
    String format = "javax_imageio_png_1.0";
    BufferedImage img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType("image/png").next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    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, itxt, entry;
    root = doc.getDocumentElement();
    root.appendChild(itxt = doc.createElement("iTXt"));
    itxt.appendChild(entry = doc.createElement("iTXtEntry"));
    entry.setAttribute("keyword", "verbatim");
    entry.setAttribute("compressionFlag", "false");
    entry.setAttribute("compressionMethod", "0");
    entry.setAttribute("languageTag", "x-circled");
    entry.setAttribute("translatedKeyword", VERBATIM);
    entry.setAttribute("text", TEXT);
    itxt.appendChild(entry = doc.createElement("iTXtEntry"));
    entry.setAttribute("keyword", "compressed");
    entry.setAttribute("compressionFlag", "true");
    entry.setAttribute("compressionMethod", "0");
    entry.setAttribute("languageTag", "x-circled");
    entry.setAttribute("translatedKeyword", COMPRESSED);
    entry.setAttribute("text", TEXT);
    meta.mergeTree(format, root);
    iw.write(new IIOImage(img, null, meta));
    iw.dispose();
    byte[] bytes = os.toByteArray();
    if (dump)
        System.out.write(bytes);
    if (findBytes(VBYTES, bytes) < 0)
        throw new AssertionError("verbatim block not found");
    if (findBytes(CBYTES, bytes) < 0)
        throw new AssertionError("compressed block not found");
    int length = bytes.length;
    if (truncate)
        length = findBytes(VBYTES, bytes) + 32;
    ImageReader ir = ImageIO.getImageReader(iw);
    ByteArrayInputStream is = new ByteArrayInputStream(bytes, 0, length);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    meta = ir.getImageMetadata(0);
    Node node = meta.getAsTree(format);
    for (node = node.getFirstChild(); !"iTXt".equals(node.getNodeName()); node = node.getNextSibling()) ;
    boolean verbatimSeen = false, compressedSeen = false;
    for (node = node.getFirstChild(); node != null; node = node.getNextSibling()) {
        entry = (Element) node;
        String keyword = entry.getAttribute("keyword");
        String translatedKeyword = entry.getAttribute("translatedKeyword");
        String text = entry.getAttribute("text");
        if ("verbatim".equals(keyword)) {
            if (verbatimSeen)
                throw new AssertionError("Duplicate");
            verbatimSeen = true;
            if (!VERBATIM.equals(translatedKeyword))
                throw new AssertionError("Wrong translated keyword");
            if (!TEXT.equals(text))
                throw new AssertionError("Wrong text");
        } else if ("compressed".equals(keyword)) {
            if (compressedSeen)
                throw new AssertionError("Duplicate");
            compressedSeen = true;
            if (!COMPRESSED.equals(translatedKeyword))
                throw new AssertionError("Wrong translated keyword");
            if (!TEXT.equals(text))
                throw new AssertionError("Wrong text");
        } else {
            throw new AssertionError("Unexpected keyword");
        }
    }
    if (!(verbatimSeen && compressedSeen))
        throw new AssertionError("Missing chunk");
}

Example 7 with IIOMetadata

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

the class DestTypeTest method main.

public static void main(String[] args) throws IOException {
    BufferedImage bi_rgb = createTestImage(BufferedImage.TYPE_INT_RGB);
    DestTypeTest bug = new DestTypeTest();
    byte[] rgb_data = bug.writeTest(bi_rgb);
    System.out.println("rgb jpeg data length is " + rgb_data.length);
    BufferedImage bi_argb = createTestImage(BufferedImage.TYPE_INT_ARGB);
    ImageWriteParam p = bug.getWriteParam();
    IIOMetadata m = bug.getMetadata(p);
    byte[] submeta_data = bug.writeTest(bi_argb, p, m);
    System.out.println("desttype and metadata jpeg data length is " + submeta_data.length);
    p = bug.getWriteParam();
    byte[] subbanded_data = bug.writeTest(bi_argb, p);
    System.out.println("desttype jpeg data length is " + subbanded_data.length);
    if (submeta_data.length > rgb_data.length) {
        throw new RuntimeException("Too big result jpeg: " + submeta_data.length + "(rgb image size is " + rgb_data.length + ")");
    }
    if (subbanded_data.length > rgb_data.length) {
        throw new RuntimeException("Too big result jpeg: " + subbanded_data.length + "(rgb image size is " + rgb_data.length + ")");
    }
}

Example 8 with IIOMetadata

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

the class MergeTreeTest method main.

public static void main(String[] args) throws IOException {
    ImageWriter iw = (ImageWriter) ImageIO.getImageWritersByFormatName("jpeg").next();
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
    ImageOutputStream ios = ImageIO.createImageOutputStream(new File("MergeTreeTest.jpeg"));
    iw.setOutput(ios);
    IIOMetadata meta = iw.getDefaultImageMetadata(type, null);
    boolean isFailed = false;
    String[] fmts = meta.getMetadataFormatNames();
    for (int i = 0; i < fmts.length; i++) {
        System.out.print("Format: " + fmts[i] + " ... ");
        Node root = meta.getAsTree(fmts[i]);
        try {
            meta.mergeTree(fmts[i], root);
        } catch (NullPointerException e) {
            throw new RuntimeException("Test failed for format " + fmts[i], e);
        }
        System.out.println("PASSED");
    }
}

Example 9 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata 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 10 with IIOMetadata

use of javax.imageio.metadata.IIOMetadata 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.");
    }
}