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

Example 21 with ImageWriteParam

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

the class PrepareWriteSequenceTest method main.

public static void main(String[] args) throws IOException {
    String format = "GIF";
    ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
    ImageWriteParam param = writer.getDefaultWriteParam();
    IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(param);
    boolean gotException = false;
    try {
        writer.prepareWriteSequence(streamMetadata);
    } catch (IllegalStateException e) {
        gotException = true;
        System.out.println("Test passed.");
        e.printStackTrace(System.out);
    }
    if (!gotException) {
        throw new RuntimeException("Test failed.");
    }
}

Example 22 with ImageWriteParam

use of javax.imageio.ImageWriteParam 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 23 with ImageWriteParam

use of javax.imageio.ImageWriteParam 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;
    }
}

Example 24 with ImageWriteParam

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

the class WriterReuseTest method doTest.

public static void doTest(boolean writeSequence) throws IOException {
    String format = "GIF";
    ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
    if (writer == null) {
        throw new RuntimeException("No writer available for " + format);
    }
    BufferedImage img = createTestImage();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    WriterReuseTest t = new WriterReuseTest();
    writer.addIIOWriteProgressListener(t);
    ImageWriteParam param = writer.getDefaultWriteParam();
    IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(param);
    IIOImage iioImg = new IIOImage(img, null, null);
    if (writeSequence) {
        writer.prepareWriteSequence(streamMetadata);
        writer.writeToSequence(iioImg, param);
    } else {
        writer.write(img);
    }
    if (!t.isWritingAborted || t.isWritingCompleted) {
        throw new RuntimeException("Test failed.");
    }
    t.reset();
    // next attempt after abort
    ImageOutputStream ios2 = ImageIO.createImageOutputStream(new ByteArrayOutputStream());
    writer.setOutput(ios2);
    if (writeSequence) {
        writer.writeToSequence(iioImg, param);
    } else {
        writer.write(img);
    }
    if (t.isWritingAborted || !t.isWritingCompleted) {
        throw new RuntimeException("Test failed.");
    }
    System.out.println("Test passed.");
}

Example 25 with ImageWriteParam

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

the class WriteMetadataTest method main.

public static void main(String[] args) {
    ImageWriter w = ImageIO.getImageWritersByFormatName(format).next();
    if (w == null) {
        throw new RuntimeException("No available writers for format " + format);
    }
    ImageWriteParam p = w.getDefaultWriteParam();
    ImageTypeSpecifier t = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
    IIOMetadata m = w.getDefaultImageMetadata(t, p);
    System.out.println("Default image metadata is " + m);
    testWritableMetadata(m);
    IIOMetadata sm = w.getDefaultStreamMetadata(p);
    System.out.println("Default stream metadata is " + sm);
    testWritableMetadata(sm);
}