Examples of ae.javax.imageio.ImageTypeSpecifier$Grayscale

ae.javax.imageio.ImageTypeSpecifier
A class that allows the format of an image (in particular, its SampleModel and ColorModel) to be specified in a convenient manner.

                                              String mimeType)
        throws IOException {


        Iterator writerIterator = ImageIO.getImageWritersByMIMEType(mimeType);


        ImageTypeSpecifier typeSpecifier =
            new ImageTypeSpecifier(renderedImage);


        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        IOException ioe = null;


        while (writerIterator.hasNext()) {

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    public Iterator getImageTypes(int imageIndex)
      throws IOException {
        checkIndex(imageIndex);
        readHeader();
        ArrayList list = new ArrayList(1);
        list.add(new ImageTypeSpecifier(originalColorModel,
                                        originalSampleModel));
        return list.iterator();
    }

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        // prepare input
        byte[] buff = new byte[(int)imageSize];
        iis.read(buff);
        reader.setInput(ImageIO.createImageInputStream(new ByteArrayInputStream(buff)));
        if (bi == null) {
            ImageTypeSpecifier embType = reader.getImageTypes(0).next();
            bi = embType.createBufferedImage(destinationRegion.x +
                                             destinationRegion.width,
                                             destinationRegion.y +
                                             destinationRegion.height);
        }

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        if (imageMetadata != null
            && imageMetadata instanceof BMPMetadata)
        {
            bmpImageMetadata = (BMPMetadata)imageMetadata;
        } else {
            ImageTypeSpecifier imageType =
                new ImageTypeSpecifier(colorModel, sampleModel);


            bmpImageMetadata = (BMPMetadata)getDefaultImageMetadata(imageType,
                                                                    param);
        }

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     *
     * NB: we probably need to extend this method if we encounter other image
     * types which can not be encoded with BI_RGB compression type.
     */
    protected int getPreferredCompressionType(ColorModel cm, SampleModel sm) {
        ImageTypeSpecifier imageType = new ImageTypeSpecifier(cm, sm);
        return getPreferredCompressionType(imageType);
    }

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     *
     * NB: method should be extended if other cases when we can not encode
     *     with given compression will be discovered.
     */
    protected boolean canEncodeImage(int compression, ColorModel cm, SampleModel sm) {
        ImageTypeSpecifier imgType = new ImageTypeSpecifier(cm, sm);
        return canEncodeImage(compression, imgType);
    }

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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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                // 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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    /**
     * 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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