Package javax.imageio

Examples of javax.imageio.ImageTypeSpecifier$Indexed


    }

    private static IIOMetadata createMetadata(RenderedImage image, ImageWriter imageWriter,
            ImageWriteParam writerParams, int resolution)
    {
        ImageTypeSpecifier type;
        if (writerParams.getDestinationType() != null)
        {
            type = writerParams.getDestinationType();
        }
        else
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     */
    public static boolean canCreatePalette(RenderedImage image) {
        if (image == null) {
            throw new IllegalArgumentException("image == null");
        }
        ImageTypeSpecifier type = new ImageTypeSpecifier(image);
        return canCreatePalette(type);
    }
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            IIOMetadata streamMeta = writer.getDefaultStreamMetadata(param);
            //merge stream metadata
            streamMeta.mergeTree(ImageWrapper.GIF_STREAM_METADATA_NAME, imgWrapper.getStreamMetadata());
            writer.prepareWriteSequence(streamMeta);
            for (int i = 0; i < images.length; i++) {
                ImageTypeSpecifier imageType = new ImageTypeSpecifier(images[i].getColorModel(),
                                                                      images[i].getSampleModel());
                RenderedImage renderedImg = images[i];
                if (IndexImageBuilder.needConvertToIndex(renderedImg)) {
                    NodeUtils.removeChild(metadatas[i], "LocalColorTable");
                    renderedImg = IndexImageBuilder.createIndexedImage(renderedImg, quantAlg);
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    }
   
    private void write( BufferedImage image )
        throws ProcessingException, IOException
    {
        ImageTypeSpecifier its = ImageTypeSpecifier.createFromRenderedImage( image );
        Iterator writers = ImageIO.getImageWriters( its, m_Format );
        ImageWriter writer = null;
        if( writers.hasNext() )
        {
            writer = (ImageWriter) writers.next();
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     */
    public byte[] writeAnimation(ImageAnimation animation) {

        ImageWriter writer = ImageIO.getImageWritersBySuffix("gif").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        ImageTypeSpecifier imageTypeSpecifier = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_4BYTE_ABGR);
        IIOMetadata metaData = writer.getDefaultImageMetadata(imageTypeSpecifier, param);
        String metaFormatName = metaData.getNativeMetadataFormatName();

        IIOMetadataNode root = (IIOMetadataNode) metaData.getAsTree(metaFormatName);

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            }
            System.out.println();
        }

        // Destination type, if there is one
        ImageTypeSpecifier destType = null;
        if (param != null) {
            destType = param.getDestinationType();
            // Ignore dest type if we are writing a complete image
            if ((fullImage) && (destType != null)) {
                warningOccurred(WARNING_DEST_IGNORED);
                destType = null;
            }
        }

        // Examine the param

        sourceXOffset = srcRas.getMinX();
        sourceYOffset = srcRas.getMinY();
        int imageWidth = srcRas.getWidth();
        int imageHeight = srcRas.getHeight();
        sourceWidth = imageWidth;
        sourceHeight = imageHeight;
        int periodX = 1;
        int periodY = 1;
        int gridX = 0;
        int gridY = 0;
        JPEGQTable [] qTables = null;
        JPEGHuffmanTable[] DCHuffmanTables = null;
        JPEGHuffmanTable[] ACHuffmanTables = null;
        boolean optimizeHuffman = false;
        JPEGImageWriteParam jparam = null;
        int progressiveMode = ImageWriteParam.MODE_DISABLED;

        if (param != null) {

            Rectangle sourceRegion = param.getSourceRegion();
            if (sourceRegion != null) {
                Rectangle imageBounds = new Rectangle(sourceXOffset,
                                                      sourceYOffset,
                                                      sourceWidth,
                                                      sourceHeight);
                sourceRegion = sourceRegion.intersection(imageBounds);
                sourceXOffset = sourceRegion.x;
                sourceYOffset = sourceRegion.y;
                sourceWidth = sourceRegion.width;
                sourceHeight = sourceRegion.height;
            }

            if (sourceWidth + sourceXOffset > imageWidth) {
                sourceWidth = imageWidth - sourceXOffset;
            }
            if (sourceHeight + sourceYOffset > imageHeight) {
                sourceHeight = imageHeight - sourceYOffset;
            }

            periodX = param.getSourceXSubsampling();
            periodY = param.getSourceYSubsampling();
            gridX = param.getSubsamplingXOffset();
            gridY = param.getSubsamplingYOffset();

            switch(param.getCompressionMode()) {
            case ImageWriteParam.MODE_DISABLED:
                throw new IIOException("JPEG compression cannot be disabled");
            case ImageWriteParam.MODE_EXPLICIT:
                float quality = param.getCompressionQuality();
                quality = JPEG.convertToLinearQuality(quality);
                qTables = new JPEGQTable[2];
                qTables[0] = JPEGQTable.K1Luminance.getScaledInstance
                    (quality, true);
                qTables[1] = JPEGQTable.K2Chrominance.getScaledInstance
                    (quality, true);
                break;
            case ImageWriteParam.MODE_DEFAULT:
                qTables = new JPEGQTable[2];
                qTables[0] = JPEGQTable.K1Div2Luminance;
                qTables[1] = JPEGQTable.K2Div2Chrominance;
                break;
            // We'll handle the metadata case later
            }

            progressiveMode = param.getProgressiveMode();

            if (param instanceof JPEGImageWriteParam) {
                jparam = (JPEGImageWriteParam)param;
                optimizeHuffman = jparam.getOptimizeHuffmanTables();
            }
        }

        // Now examine the metadata
        IIOMetadata mdata = image.getMetadata();
        if (mdata != null) {
            if (mdata instanceof JPEGMetadata) {
                metadata = (JPEGMetadata) mdata;
                if (debug) {
                    System.out.println
                        ("We have metadata, and it's JPEG metadata");
                }
            } else {
                if (!rasterOnly) {
                    ImageTypeSpecifier type = destType;
                    if (type == null) {
                        type = new ImageTypeSpecifier(rimage);
                    }
                    metadata = (JPEGMetadata) convertImageMetadata(mdata,
                                                                   type,
                                                                   param);
                } else {
                    warningOccurred(WARNING_METADATA_NOT_JPEG_FOR_RASTER);
                }
            }
        }

        // First set a default state

        ignoreJFIF = false// If it's there, use it
        ignoreAdobe = false// If it's there, use it
        newAdobeTransform = JPEG.ADOBE_IMPOSSIBLE;  // Change if needed
        writeDefaultJFIF = false;
        writeAdobe = false;

        // By default we'll do no conversion:
        int inCsType = JPEG.JCS_UNKNOWN;
        int outCsType = JPEG.JCS_UNKNOWN;

        JFIFMarkerSegment jfif = null;
        AdobeMarkerSegment adobe = null;
        SOFMarkerSegment sof = null;

        if (metadata != null) {
            jfif = (JFIFMarkerSegment) metadata.findMarkerSegment
                (JFIFMarkerSegment.class, true);
            adobe = (AdobeMarkerSegment) metadata.findMarkerSegment
                (AdobeMarkerSegment.class, true);
            sof = (SOFMarkerSegment) metadata.findMarkerSegment
                (SOFMarkerSegment.class, true);
        }

        iccProfile = null// By default don't write one
        convertTosRGB = false// PhotoYCC does this
        converted = null;

        if (destType != null) {
            if (numBandsUsed != destType.getNumBands()) {
                throw new IIOException
                    ("Number of source bands != number of destination bands");
            }
            cs = destType.getColorModel().getColorSpace();
            // Check the metadata against the destination type
            if (metadata != null) {
                checkSOFBands(sof, numBandsUsed);

                checkJFIF(jfif, destType, false);
                // Do we want to write an ICC profile?
                if ((jfif != null) && (ignoreJFIF == false)) {
                    if (JPEG.isNonStandardICC(cs)) {
                        iccProfile = ((ICC_ColorSpace) cs).getProfile();
                    }
                }
                checkAdobe(adobe, destType, false);

            } else { // no metadata, but there is a dest type
                // If we can add a JFIF or an Adobe marker segment, do so
                if (JPEG.isJFIFcompliant(destType, false)) {
                    writeDefaultJFIF = true;
                    // Do we want to write an ICC profile?
                    if (JPEG.isNonStandardICC(cs)) {
                        iccProfile = ((ICC_ColorSpace) cs).getProfile();
                    }
                } else {
                    int transform = JPEG.transformForType(destType, false);
                    if (transform != JPEG.ADOBE_IMPOSSIBLE) {
                        writeAdobe = true;
                        newAdobeTransform = transform;
                    }
                }
                // re-create the metadata
                metadata = new JPEGMetadata(destType, null, this);
            }
            inCsType = getSrcCSType(destType);
            outCsType = getDefaultDestCSType(destType);
        } else { // no destination type
            if (metadata == null) {
                if (fullImage) {  // no dest, no metadata, full image
                    // Use default metadata matching the image and param
                    metadata = new JPEGMetadata(new ImageTypeSpecifier(rimage),
                                                param, this);
                    if (metadata.findMarkerSegment
                        (JFIFMarkerSegment.class, true) != null) {
                        cs = rimage.getColorModel().getColorSpace();
                        if (JPEG.isNonStandardICC(cs)) {
                            iccProfile = ((ICC_ColorSpace) cs).getProfile();
                        }
                    }

                    inCsType = getSrcCSType(rimage);
                    outCsType = getDefaultDestCSType(rimage);
                }
                // else no dest, no metadata, not an image,
                // so no special headers, no color conversion
            } else { // no dest type, but there is metadata
                checkSOFBands(sof, numBandsUsed);
                if (fullImage) {  // no dest, metadata, image
                    // Check that the metadata and the image match

                    ImageTypeSpecifier inputType =
                        new ImageTypeSpecifier(rimage);

                    inCsType = getSrcCSType(rimage);

                    if (cm != null) {
                        boolean alpha = cm.hasAlpha();
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                // MODE_EXPLICIT is not allowed
            }
        }

        // Initialize bitDepth and colorType
        metadata.initialize(new ImageTypeSpecifier(im), numBands);

        // Overwrite IHDR width and height values with values from image
        metadata.IHDR_width = destWidth;
        metadata.IHDR_height = destHeight;
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        boolean writeGraphicsControlExtension;
        if (imageMetadata == null) {
            // Create default metadata.
            imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
                new ImageTypeSpecifier(image), param);

            // Set GraphicControlExtension flag only if there is
            // transparency.
            writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
        } else {
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    /**
     * Return an ImageTypeSpecifier corresponding to the given
     * color space code, or null if the color space is unsupported.
     */
    private ImageTypeSpecifier getImageType(int code) {
        ImageTypeSpecifier ret = null;

        if ((code > 0) && (code < JPEG.NUM_JCS_CODES)) {
            ret = defaultTypes[code];
        }
        return ret;
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        // If this image can't be interpreted, this method
        // returns an empty Iterator.

        // Get the raw ITS, if there is one.  Note that this
        // won't always be the same as the default.
        ImageTypeSpecifier raw = getImageType(colorSpaceCode);

        // Given the encoded colorspace, build a list of ITS's
        // representing outputs you could handle starting
        // with the default.
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