Package javax.imageio

Examples of javax.imageio.ImageWriteParam

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     * parameter settings into account.
     */
    private static void computeRegions(Rectangle sourceBounds,
                                       Dimension destSize,
                                       ImageWriteParam p) {
        ImageWriteParam param;
        int periodX = 1;
        int periodY = 1;
        if (p != null) {
            int[] sourceBands = p.getSourceBands();
            if (sourceBands != null &&
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        // obtain the writer for the image
        // this must work since it is already done in the #getImageType(String) call above
        ImageWriter writer = (ImageWriter)ImageIO.getImageWritersByFormatName(formatName).next();

        // get default image writer parameter
        ImageWriteParam param = writer.getDefaultWriteParam();
        if (param.canWriteCompressed()) {
            // set compression parameters if supported by writer
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            if ((param.getCompressionTypes() != null) && (param.getCompressionType() == null)) {
                // a compression parameter is required but not provided, use the first one available
                param.setCompressionType(param.getCompressionTypes()[0]);
            }
            param.setCompressionQuality(m_renderSettings.getCompressionQuality());
        }

        // now write the image
        writer.setOutput(stream);
        writer.write(null, new IIOImage(im, null, null), param);
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        iiowriter.addIIOWriteWarningListener(this);
       
        ImageOutputStream imgout = ImageIO.createImageOutputStream(out);
        try {
           
            ImageWriteParam iwParam = getDefaultWriteParam(iiowriter, image, params);
           
            ImageTypeSpecifier type;
            if (iwParam.getDestinationType() != null) {
                type = iwParam.getDestinationType();
            } else {
                type = ImageTypeSpecifier.createFromRenderedImage(image);
            }
           
            //Handle metadata
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     * @return the IIO ImageWriteParam instance
     */
    protected ImageWriteParam getDefaultWriteParam(
            javax.imageio.ImageWriter iiowriter, RenderedImage image,
            ImageWriterParams params) {
        ImageWriteParam param = iiowriter.getDefaultWriteParam();
        //System.err.println("Param: " + params);
        if ((params != null) && (params.getCompressionMethod() != null)) {
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionType(params.getCompressionMethod());
        }
        return param;
    }
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        public void writeImage(RenderedImage image, ImageWriterParams params) throws IOException {
            if (iiowriter == null) {
                throw new IllegalStateException("MultiImageWriter already closed!");
            }
            ImageWriteParam iwParam = getDefaultWriteParam(iiowriter, image, params);
           
            ImageTypeSpecifier type;
            if (iwParam.getDestinationType() != null) {
                type = iwParam.getDestinationType();
            } else {
                type = ImageTypeSpecifier.createFromRenderedImage(image);
            }
           
            //Handle metadata
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    {
        BufferedImage bufferedImage = new BufferedImage(imageInfo.width, imageInfo.height, BufferedImage.TYPE_INT_ARGB);
        bufferedImage.setRGB(0, 0, imageInfo.width, imageInfo.height, pixels, 0, imageInfo.width);

        ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
        ImageWriteParam writeParam = writer.getDefaultWriteParam();
        ColorModel colorModel = new DirectColorModel(24, 0x00ff0000, 0x0000ff00, 0x000000ff);
        ImageTypeSpecifier imageTypeSpecifier = new ImageTypeSpecifier(colorModel, colorModel.createCompatibleSampleModel(1, 1));
        writeParam.setDestinationType(imageTypeSpecifier);
        writeParam.setSourceBands(new int[] {0, 1, 2});
        writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);

        float q = 1.0f;
        if (quality != null)
            q = quality.floatValue();
        writeParam.setCompressionQuality(q);

        DAByteArrayOutputStream buffer = new DAByteArrayOutputStream();
        writer.setOutput(new MemoryCacheImageOutputStream(buffer));

        IIOImage ioImage = new IIOImage(bufferedImage, null, null);
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        if (iiowriter != null) {
            iiowriter.addIIOWriteWarningListener(this);
           
            ImageOutputStream imgout = ImageIO.createImageOutputStream(out);
           
            ImageWriteParam iwParam = getDefaultWriteParam(iiowriter, image, params);
           
            ImageTypeSpecifier type;
            if (iwParam.getDestinationType() != null) {
                type = iwParam.getDestinationType();
            } else {
                type = ImageTypeSpecifier.createFromRenderedImage(image);
            }
           
            //Handle metadata
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     * @return the IIO ImageWriteParam instance
     */
    protected ImageWriteParam getDefaultWriteParam(
            javax.imageio.ImageWriter iiowriter, RenderedImage image,
            ImageWriterParams params) {
        ImageWriteParam param = iiowriter.getDefaultWriteParam();
        System.err.println("Param: " + params);
        if ((params != null) && (params.getCompressionMethod() != null)) {
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionType(params.getCompressionMethod());
        }
        return param;
    }
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        iiowriter.addIIOWriteWarningListener(this);

        ImageOutputStream imgout = ImageIO.createImageOutputStream(out);
        try {

            ImageWriteParam iwParam = getDefaultWriteParam(iiowriter, image, params);

            ImageTypeSpecifier type;
            if (iwParam.getDestinationType() != null) {
                type = iwParam.getDestinationType();
            } else {
                type = ImageTypeSpecifier.createFromRenderedImage(image);
            }

            //Handle metadata
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     * @return the IIO ImageWriteParam instance
     */
    protected ImageWriteParam getDefaultWriteParam(
            javax.imageio.ImageWriter iiowriter, RenderedImage image,
            ImageWriterParams params) {
        ImageWriteParam param = iiowriter.getDefaultWriteParam();
        //System.err.println("Param: " + params);
        if ((params != null) && (params.getCompressionMethod() != null)) {
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionType(params.getCompressionMethod());
        }
        return param;
    }
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