Example usage for javax.imageio ImageTypeSpecifier createFromRenderedImage

List of usage examples for javax.imageio ImageTypeSpecifier createFromRenderedImage

Introduction

In this page you can find the example usage for javax.imageio ImageTypeSpecifier createFromRenderedImage.

Prototype

public static ImageTypeSpecifier createFromRenderedImage(RenderedImage image) 

Source Link

Document

Returns an ImageTypeSpecifier that encodes the layout of a RenderedImage (which may be a BufferedImage ).

Usage

From source file:brut.androlib.res.decoder.Res9patchStreamDecoder.java

@Override
public void decode(InputStream in, OutputStream out) throws AndrolibException {
    try {/*from www.j a  va2 s  .c o  m*/
        byte[] data = IOUtils.toByteArray(in);

        BufferedImage im = ImageIO.read(new ByteArrayInputStream(data));
        int w = im.getWidth(), h = im.getHeight();

        ImageTypeSpecifier its = ImageTypeSpecifier.createFromRenderedImage(im);
        BufferedImage im2 = its.createBufferedImage(w + 2, h + 2);

        im2.getRaster().setRect(1, 1, im.getRaster());
        NinePatch np = getNinePatch(data);
        drawHLine(im2, h + 1, np.padLeft + 1, w - np.padRight);
        drawVLine(im2, w + 1, np.padTop + 1, h - np.padBottom);

        int[] xDivs = np.xDivs;
        for (int i = 0; i < xDivs.length; i += 2) {
            drawHLine(im2, 0, xDivs[i] + 1, xDivs[i + 1]);
        }

        int[] yDivs = np.yDivs;
        for (int i = 0; i < yDivs.length; i += 2) {
            drawVLine(im2, 0, yDivs[i] + 1, yDivs[i + 1]);
        }

        ImageIO.write(im2, "png", out);
    } catch (IOException ex) {
        throw new AndrolibException(ex);
    } catch (NullPointerException ex) {
        // In my case this was triggered because a .png file was
        // containing a html document instead of an image.
        // This could be more verbose and try to MIME ?
        throw new AndrolibException(ex);
    }
}

From source file:net.filterlogic.util.imaging.ToTIFF.java

/**
 * /*  w ww .  j a  va2  s  . c om*/
 * @param image
 * @param imageWriter
 * @param param
 * @return
 */
private static IIOMetadata getIIOMetadata(BufferedImage image, ImageWriter imageWriter, ImageWriteParam param) {
    ImageTypeSpecifier spec = ImageTypeSpecifier.createFromRenderedImage(image);
    IIOMetadata metadata = imageWriter.getDefaultImageMetadata(spec, param);
    return metadata;
}

From source file:lucee.runtime.img.Image.java

private void _writeOut(ImageOutputStream ios, String format, float quality, boolean noMeta)
        throws IOException, ExpressionException {
    if (quality < 0 || quality > 1)
        throw new IOException(
                "quality has an invalid value [" + quality + "], value has to be between 0 and 1");
    if (StringUtil.isEmpty(format))
        format = this.format;
    if (StringUtil.isEmpty(format))
        throw new IOException("missing format");

    BufferedImage im = image();//from w  w w  .j a  v  a  2 s  .co  m

    //IIOMetadata meta = noMeta?null:metadata(format);
    IIOMetadata meta = noMeta ? null : getMetaData(null);

    ImageWriter writer = null;
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromRenderedImage(im);
    Iterator<ImageWriter> iter = ImageIO.getImageWriters(type, format);

    if (iter.hasNext()) {
        writer = iter.next();
    }
    if (writer == null)
        throw new IOException("no writer for format [" + format + "] available, available writer formats are ["
                + ListUtil.arrayToList(ImageUtil.getWriterFormatNames(), ",") + "]");

    ImageWriteParam iwp = null;
    if ("jpg".equalsIgnoreCase(format)) {
        ColorModel cm = im.getColorModel();
        if (cm.hasAlpha())
            im = jpgImage(im);
        JPEGImageWriteParam jiwp = new JPEGImageWriteParam(Locale.getDefault());
        jiwp.setOptimizeHuffmanTables(true);
        iwp = jiwp;
    } else
        iwp = writer.getDefaultWriteParam();

    setCompressionModeEL(iwp, ImageWriteParam.MODE_EXPLICIT);
    setCompressionQualityEL(iwp, quality);
    writer.setOutput(ios);
    try {
        writer.write(meta, new IIOImage(im, null, meta), iwp);

    } finally {
        writer.dispose();
        ios.flush();
    }
}

From source file:org.photovault.imginfo.CreateCopyImageCommand.java

/**
 Helper function to save a rendered image to file
 @param instanceFile The file into which the image will be saved
 @param img Image that willb e saved/*from  ww w. j av  a2s . c  om*/
 @param xmpData XPM metadata packet that should be saved with the image
 @throws PhotovaultException if saving does not succeed
 */
protected void saveImage(File instanceFile, RenderedImage img, byte[] xmpData) throws PhotovaultException {
    ImageOutputStream out = null;
    log.debug("Entry: saveImage, file = " + instanceFile.getAbsolutePath());
    try {
        out = new FileImageOutputStream(instanceFile);
    } catch (IOException e) {
        log.error("Error writing image: " + e.getMessage());
        throw new PhotovaultException(e.getMessage());
    }
    if (img.getSampleModel().getSampleSize(0) == 16) {
        log.debug("16 bit image, converting to 8 bits");
        double[] subtract = new double[1];
        subtract[0] = 0;
        double[] divide = new double[1];
        divide[0] = 1. / 256.;
        // Now we can rescale the pixels gray levels:
        ParameterBlock pbRescale = new ParameterBlock();
        pbRescale.add(divide);
        pbRescale.add(subtract);
        pbRescale.addSource(img);
        PlanarImage outputImage = (PlanarImage) JAI.create("rescale", pbRescale, null);
        // Make sure it is a byte image - force conversion.
        ParameterBlock pbConvert = new ParameterBlock();
        pbConvert.addSource(outputImage);
        pbConvert.add(DataBuffer.TYPE_BYTE);
        img = JAI.create("format", pbConvert);
    }

    IIOImage iioimg = new IIOImage(img, null, null);

    /*
     Not all encoders support metadata handling
     */
    Iterator writers = ImageIO.getImageWritersByFormatName("jpeg");
    ImageWriter imgwriter = null;
    while (writers.hasNext()) {
        imgwriter = (ImageWriter) writers.next();
        if (imgwriter.getClass().getName().endsWith("JPEGImageEncoder")) {
            // Break on finding the core provider.
            break;
        }
    }
    if (imgwriter == null) {
        System.err.println("Cannot find core JPEG writer!");
    }
    imgwriter.addIIOWriteWarningListener(new IIOWriteWarningListener() {

        public void warningOccurred(ImageWriter arg0, int arg1, String arg2) {
            log.warn("Warning from ImageWriter: " + arg2);
        }
    });
    ImageWriteParam params = imgwriter.getDefaultWriteParam();
    ImageTypeSpecifier its = ImageTypeSpecifier.createFromRenderedImage(img);
    IIOMetadata metadata = imgwriter.getDefaultImageMetadata(its, null);

    IIOMetadataNode metatop = (IIOMetadataNode) metadata.getAsTree("javax_imageio_jpeg_image_1.0");
    NodeList markerSeqNodes = metatop.getElementsByTagName("markerSequence");
    if (markerSeqNodes.getLength() > 0) {
        IIOMetadataNode xmpNode = new IIOMetadataNode("unknown");
        xmpNode.setAttribute("MarkerTag", "225");
        xmpNode.setUserObject(xmpData);
        markerSeqNodes.item(0).appendChild(xmpNode);
    }

    try {
        metadata.setFromTree("javax_imageio_jpeg_image_1.0", metatop);
    } catch (Exception e) {
        log.warn("error editing metadata: " + e.getMessage());
        e.printStackTrace();
        throw new PhotovaultException("error setting image metadata: \n" + e.getMessage());
    }

    iioimg.setMetadata(metadata);

    try {
        imgwriter.setOutput(out);
        imgwriter.write(iioimg);
    } catch (IOException e) {
        log.warn("Exception while encoding" + e.getMessage());
        throw new PhotovaultException(
                "Error writing instance " + instanceFile.getAbsolutePath() + ": " + e.getMessage());
    } finally {
        try {
            out.close();
        } catch (IOException e) {
            log.warn("Exception while closing file: " + e.getMessage());
            imgwriter.dispose();
            throw new PhotovaultException(
                    "Error writing instance " + instanceFile.getAbsolutePath() + ": " + e.getMessage());

        }
        imgwriter.dispose();
    }
    log.debug("Exit: saveImage");
}