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

Example 31 with ImageTypeSpecifier

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

the class AnimationTest method main.

public static void main(String[] args) {
    try {
        AnimationTest t = new AnimationTest();
        t.initFrame();
        ImageWriter w = t.initWriter();
        ImageWriteParam p = w.getDefaultWriteParam();
        IIOMetadata streamMetadata = w.getDefaultStreamMetadata(p);
        w.prepareWriteSequence(streamMetadata);
        for (int i = 0; i < 50; i++) {
            BufferedImage f = t.createNextFrame();
            ImageTypeSpecifier type = new ImageTypeSpecifier(f);
            IIOMetadata m = w.getDefaultImageMetadata(type, p);
            w.writeToSequence(new IIOImage(f, null, m), p);
        }
        w.endWriteSequence();
        t.checkAnimation();
    } catch (Exception e) {
        throw new RuntimeException("Test failed.", e);
    }
}

Example 32 with ImageTypeSpecifier

use of javax.imageio.ImageTypeSpecifier 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 33 with ImageTypeSpecifier

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

the class CanEncodeShort method main.

public static void main(String[] args) {
    for (int i = 0; i < types.length; i++) {
        BufferedImage img = new BufferedImage(32, 32, types[i]);
        ImageTypeSpecifier spec = ImageTypeSpecifier.createFromRenderedImage(img);
        Iterator writers = ImageIO.getImageWriters(spec, "png");
        if (!writers.hasNext()) {
            throw new RuntimeException("Test failed: " + "no PNG writer found for type " + typeNames[i]);
        }
    }
}

Example 34 with ImageTypeSpecifier

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

the class ReadAsGrayTest method doTest.

private static void doTest(int type) throws IOException {
    BufferedImage src = createTestImage(type);
    File f = new File("test.jpg");
    if (!ImageIO.write(src, "jpg", f)) {
        throw new RuntimeException("Failed to write test image.");
    }
    ImageInputStream iis = ImageIO.createImageInputStream(f);
    ImageReader reader = ImageIO.getImageReaders(iis).next();
    reader.setInput(iis);
    Iterator<ImageTypeSpecifier> types = reader.getImageTypes(0);
    ImageTypeSpecifier srgb = null;
    ImageTypeSpecifier gray = null;
    // look for gray and srgb types
    while ((srgb == null || gray == null) && types.hasNext()) {
        ImageTypeSpecifier t = types.next();
        if (t.getColorModel().getColorSpace().getType() == TYPE_GRAY) {
            gray = t;
        }
        if (t.getColorModel().getColorSpace() == sRGB) {
            srgb = t;
        }
    }
    if (gray == null) {
        throw new RuntimeException("No gray type available.");
    }
    if (srgb == null) {
        throw new RuntimeException("No srgb type available.");
    }
    System.out.println("Read as GRAY...");
    testType(reader, gray, src);
    System.out.println("Read as sRGB...");
    testType(reader, srgb, src);
}

Example 35 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");
    }
}