Examples with ImageOutputStream javax.imageio.stream.ImageOutputStream used on opensource projects

Example 16 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class Write3ByteBgrTest method writeImage.

private BufferedImage writeImage(BufferedImage src) {
    try {
        BufferedImage dst = null;
        if (!writer.getOriginatingProvider().canEncodeImage(src)) {
            throw new RuntimeException(writingFormat + " writer does not support the image type " + type);
        }
        System.out.println(writingFormat + " writer claims it can encode the image " + type);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
        writer.setOutput(ios);
        IIOImage img = new IIOImage(src.getRaster(), null, null);
        writer.write(img);
        ios.close();
        baos.close();
        // save to file
        File f = new File("test" + src.getType() + ".bmp");
        FileOutputStream fos = new FileOutputStream(f);
        fos.write(baos.toByteArray());
        fos.close();
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        dst = ImageIO.read(bais);
        return dst;
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
}

Example 17 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class WriteProgressListenerTest method doTest.

public void doTest() {
    try {
        System.out.println("Progress test for " + compression_type);
        BufferedImage bi = new BufferedImage(20, 300, BufferedImage.TYPE_INT_RGB);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
        Iterator iter = ImageIO.getImageWritersByFormatName(format);
        if (!iter.hasNext()) {
            throw new RuntimeException("No available writer for " + format);
        }
        ImageWriter writer = (ImageWriter) iter.next();
        writer.setOutput(ios);
        writer.addIIOWriteProgressListener(listener);
        IIOImage iio_img = new IIOImage(bi, null, null);
        ImageWriteParam param = writer.getDefaultWriteParam();
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionType(compression_type);
        writer.write(null, iio_img, param);
        if (!listener.isTestPassed) {
            throw new RuntimeException("Test for " + compression_type + " does not finish correctly!");
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 18 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream 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.");
    }
}

Example 19 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class Frame method doTest.

public void doTest() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    writer.reset();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    ImageWriteParam wparam = prepareWriteParam();
    IIOMetadata streamMetadata = prepareStreamMetadata(wparam);
    writer.prepareWriteSequence(streamMetadata);
    for (int i = 0; i < frames.length; i++) {
        BufferedImage src = frames[i].getImage();
        IIOMetadata imageMetadata = prepareImageMetadata(i, src, wparam);
        IIOImage img = new IIOImage(src, null, imageMetadata);
        writer.writeToSequence(img, wparam);
    }
    writer.endWriteSequence();
    ios.flush();
    ios.close();
    if (doSave) {
        File f = File.createTempFile("wr_test_", "." + format, new File("."));
        System.out.println("Save to file: " + f.getCanonicalPath());
        FileOutputStream fos = new FileOutputStream(f);
        fos.write(baos.toByteArray());
        fos.flush();
        fos.close();
    }
    // read result
    reader.reset();
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    reader.setInput(ImageIO.createImageInputStream(bais));
    int minIndex = reader.getMinIndex();
    int numImages = reader.getNumImages(true);
    for (int i = 0; i < numImages; i++) {
        BufferedImage dst = reader.read(i + minIndex);
        frames[i].checkResult(dst);
    }
}

Example 20 with ImageOutputStream

use of javax.imageio.stream.ImageOutputStream in project jdk8u_jdk by JetBrains.

the class RGBImageTest method doTest.

protected void doTest() throws IOException {
    BufferedImage biSrc = getSrc();
    ImageWriter writer = ImageIO.getImageWritersByFormatName("GIF").next();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    ImageWriteParam writeParam = writer.getDefaultWriteParam();
    IIOMetadata imageMetadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(biSrc), writeParam);
    IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(writeParam);
    IIOImage iioImg = new IIOImage(biSrc, null, imageMetadata);
    writer.write(streamMetadata, iioImg, writeParam);
    ios.close();
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ImageInputStream iis = ImageIO.createImageInputStream(bais);
    ImageReader reader = ImageIO.getImageReader(writer);
    reader.setInput(iis);
    BufferedImage dst = reader.read(0);
    // do test
    int x = dx / 2;
    int y = height / 2;
    for (int i = 0; i < usedColors.length; i++) {
        int dstRgb = dst.getRGB(x, y);
        System.out.println("dstColor: " + Integer.toHexString(dstRgb));
        int srcRgb = usedColors[i].getRGB();
        System.out.println("srcColor: " + Integer.toHexString(srcRgb));
        if (dstRgb != srcRgb) {
            throw new RuntimeException("wrong color " + i + ": " + Integer.toHexString(dstRgb));
        }
        x += dx;
    }
}