List of usage examples for javax.imageio ImageWriteParam setCompressionType
public void setCompressionType(String compressionType)
From source file:com.ackpdfbox.app.imageio.TIFFUtil.java
/** * Sets the ImageIO parameter compression type based on the given image. * @param image buffered image used to decide compression type * @param param ImageIO write parameter to update *///w w w.j av a 2 s .com public static void setCompressionType(ImageWriteParam param, BufferedImage image) { // avoid error: first compression type is RLE, not optimal and incorrect for color images // TODO expose this choice to the user? if (image.getType() == BufferedImage.TYPE_BYTE_BINARY && image.getColorModel().getPixelSize() == 1) { param.setCompressionType("CCITT T.6"); } else { param.setCompressionType("LZW"); } }
From source file:com.ackpdfbox.app.imageio.ImageIOUtil.java
/** * Writes a buffered image to a file using the given image format. * Compression is fixed for PNG, GIF, BMP and WBMP, dependent of the quality * parameter for JPG, and dependent of bit count for TIFF (a bitonal image * will be compressed with CCITT G4, a color image with LZW). Creating a * TIFF image is only supported if the jai_imageio library is in the class * path.//from www. java 2s . c om * * @param image the image to be written * @param formatName the target format (ex. "png") * @param output the output stream to be used for writing * @param dpi the resolution in dpi (dots per inch) to be used in metadata * @param quality quality to be used when compressing the image (0 < * quality < 1.0f) * @return true if the image file was produced, false if there was an error. * @throws IOException if an I/O error occurs */ public static boolean writeImage(BufferedImage image, String formatName, OutputStream output, int dpi, float quality) throws IOException { ImageOutputStream imageOutput = null; ImageWriter writer = null; try { // find suitable image writer Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(formatName); ImageWriteParam param = null; IIOMetadata metadata = null; // Loop until we get the best driver, i.e. one that supports // setting dpi in the standard metadata format; however we'd also // accept a driver that can't, if a better one can't be found while (writers.hasNext()) { if (writer != null) { writer.dispose(); } writer = writers.next(); param = writer.getDefaultWriteParam(); metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(image), param); if (metadata != null && !metadata.isReadOnly() && metadata.isStandardMetadataFormatSupported()) { break; } } if (writer == null) { LOG.error("No ImageWriter found for '" + formatName + "' format"); StringBuilder sb = new StringBuilder(); String[] writerFormatNames = ImageIO.getWriterFormatNames(); for (String fmt : writerFormatNames) { sb.append(fmt); sb.append(' '); } LOG.error("Supported formats: " + sb); return false; } // compression if (param != null && param.canWriteCompressed()) { param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); if (formatName.toLowerCase().startsWith("tif")) { // TIFF compression TIFFUtil.setCompressionType(param, image); } else { param.setCompressionType(param.getCompressionTypes()[0]); param.setCompressionQuality(quality); } } if (formatName.toLowerCase().startsWith("tif")) { // TIFF metadata TIFFUtil.updateMetadata(metadata, image, dpi); } else if ("jpeg".equals(formatName.toLowerCase()) || "jpg".equals(formatName.toLowerCase())) { // This segment must be run before other meta operations, // or else "IIOInvalidTreeException: Invalid node: app0JFIF" // The other (general) "meta" methods may not be used, because // this will break the reading of the meta data in tests JPEGUtil.updateMetadata(metadata, dpi); } else { // write metadata is possible if (metadata != null && !metadata.isReadOnly() && metadata.isStandardMetadataFormatSupported()) { setDPI(metadata, dpi, formatName); } } // write imageOutput = ImageIO.createImageOutputStream(output); writer.setOutput(imageOutput); writer.write(null, new IIOImage(image, null, metadata), param); } finally { if (writer != null) { writer.dispose(); } if (imageOutput != null) { imageOutput.close(); } } return true; }
From source file:org.dcm4che2.tool.dcm2jpg.Dcm2Jpg.java
private void encodeByImageIO(BufferedImage bi, File dest) throws IOException { ImageWriter writer = getImageWriter(imageWriterClassname); ImageOutputStream out = null; try {//w w w . j a v a 2 s . co m out = ImageIO.createImageOutputStream(dest); writer.setOutput(out); ImageWriteParam iwparam = writer.getDefaultWriteParam(); if (iwparam.canWriteCompressed()) { iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); String[] compressionTypes = iwparam.getCompressionTypes(); if (compressionTypes != null && compressionTypes.length > 0) { if (compressionType != null || iwparam.getCompressionType() == null) { for (int i = 0; i < compressionTypes.length; i++) { if (compressionType == null || compressionTypes[i].compareToIgnoreCase(compressionType) == 0) { iwparam.setCompressionType(compressionTypes[i]); break; } } } } if (imageQuality != null) iwparam.setCompressionQuality(imageQuality); } else if (imageQuality != null) { System.out.println("Selected Image Writer can not compress! imageQuality is ignored!"); } writer.write(null, new IIOImage(bi, null, null), iwparam); } finally { CloseUtils.safeClose(out); writer.dispose(); } }
From source file:org.egov.infra.utils.ImageUtils.java
public static File compressImage(final InputStream imageStream, String imageFileName, boolean closeStream) throws IOException { File compressedImage = Paths.get(imageFileName).toFile(); try (final ImageOutputStream imageOutput = createImageOutputStream(compressedImage)) { ImageWriter writer = getImageWritersByFormatName( defaultString(getExtension(imageFileName), JPG_FORMAT_NAME)).next(); writer.setOutput(imageOutput);/*ww w. j ava2 s . c o m*/ ImageWriteParam writeParam = writer.getDefaultWriteParam(); if (writeParam.canWriteCompressed()) { writeParam.setCompressionMode(MODE_EXPLICIT); writeParam.setCompressionType(writeParam.getCompressionTypes()[0]); writeParam.setCompressionQuality(0.05F); } writer.write(null, new IIOImage(read(imageStream), null, null), writeParam); writer.dispose(); if (closeStream) imageStream.close(); } return compressedImage; }
From source file:org.geotools.utils.imageoverviews.OverviewsEmbedder.java
public void run() { // did we create a local private tile cache or not? boolean localTileCache = false; ////from w ww. ja va 2 s . c om // creating the image to use for the successive // subsampling // TileCache baseTC = JAI.getDefaultInstance().getTileCache(); if (baseTC == null) { localTileCache = true; final long tilecacheSize = super.getTileCacheSize(); baseTC = JAI.createTileCache(); baseTC.setMemoryCapacity(tilecacheSize); baseTC.setMemoryThreshold(0.75f); } // // CHECK INPUT DIRECTORIES/FILES // if (sourcePath == null) { fireEvent("Provided sourcePath is null", overallProgress); return; } // getting an image input stream to the file final File file = new File(sourcePath); final File[] files; int numFiles = 1; StringBuilder message; if (!file.canRead() || !file.exists()) { fireEvent("Provided file " + file.getAbsolutePath() + " cannot be read or does not exist", 100); return; } if (file.isDirectory()) { if (wildcardString == null) { fireEvent("Provided wildcardString is null", 100); return; } final FileFilter fileFilter = new WildcardFileFilter(wildcardString); files = file.listFiles(fileFilter); numFiles = files.length; if (numFiles <= 0) { message = new StringBuilder("No files to process!"); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), 100); } } else files = new File[] { file }; if (files == null || files.length == 0) { fireEvent("Unable to find input files for the provided wildcard " + wildcardString + " and input path " + sourcePath, 100); return; } // setting step overallProgressStep = 100 * 1.0 / numFiles; // // ADDING OVERVIEWS TO ALL FOUND FILES // for (fileBeingProcessed = 0; fileBeingProcessed < numFiles; fileBeingProcessed++) { message = new StringBuilder("Managing file ").append(fileBeingProcessed).append(" of ") .append(files[fileBeingProcessed]).append(" files"); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } overallProgress = overallProgressStep * fileBeingProcessed; fireEvent(message.toString(), overallProgress); if (getStopThread()) { message = new StringBuilder("Stopping requested at file ").append(fileBeingProcessed) .append(" of ").append(numFiles).append(" files"); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); return; } ImageInputStream stream = null; ImageWriter writer = null; ImageOutputStream streamOut = null; RenderedOp currentImage = null; RenderedOp newImage = null; try { File localFile = files[fileBeingProcessed]; // // get a stream // stream = ImageIO.createImageInputStream(localFile); if (stream == null) { message = new StringBuilder("Unable to create an input stream for file") .append(files[fileBeingProcessed]); if (LOGGER.isLoggable(Level.SEVERE)) { LOGGER.severe(message.toString()); } fireEvent(message.toString(), overallProgress); break; } stream.mark(); // // get a reader // final Iterator<ImageReader> it = ImageIO.getImageReaders(stream); if (!it.hasNext()) { message = new StringBuilder("Unable to find a reader for file") .append(files[fileBeingProcessed]); if (LOGGER.isLoggable(Level.SEVERE)) { LOGGER.severe(message.toString()); } fireEvent(message.toString(), overallProgress); break; } final ImageReader reader = (ImageReader) it.next(); stream.reset(); stream.mark(); // is it a geotiff reader or not? if (!reader.getFormatName().toLowerCase().startsWith("tif")) { if (LOGGER.isLoggable(Level.INFO)) { LOGGER.info("Discarding input file " + files[fileBeingProcessed] + " since it is not a proper tif file."); } continue; } // // set input // reader.setInput(stream); ImageLayout layout = null; // tiling the image if needed int actualTileW = reader.getTileWidth(0); int actualTileH = reader.getTileHeight(0); if (!reader.isImageTiled(0) || (reader.isImageTiled(0) && (actualTileH != tileH && tileH != -1) || (actualTileW != tileW && tileW != -1))) { message = new StringBuilder("Retiling image ").append(fileBeingProcessed); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); layout = Utils.createTiledLayout(tileW, tileH, 0, 0); } stream.reset(); reader.reset(); reader.dispose(); // // output image stream // if (externalOverviews) { // create a sibling file localFile = new File(localFile.getParent(), FilenameUtils.getBaseName(localFile.getAbsolutePath()) + ".tif.ovr"); } streamOut = ImageIOExt.createImageOutputStream(null, localFile); if (streamOut == null) { message = new StringBuilder("Unable to acquire an ImageOutputStream for the file ") .append(files[fileBeingProcessed].toString()); if (LOGGER.isLoggable(Level.SEVERE)) { LOGGER.severe(message.toString()); } fireEvent(message.toString(), 100); break; } // // Preparing to write the set of images. First of all I write // the first image ` // // getting a writer for this reader writer = TIFF_IMAGE_WRITER_SPI.createWriterInstance(); writer.setOutput(streamOut); writer.addIIOWriteProgressListener(writeProgressListener); writer.addIIOWriteWarningListener(writeProgressListener); ImageWriteParam param = writer.getDefaultWriteParam(); // // setting tiling on the first image using writing parameters // if (tileH != -1 & tileW != -1) { param.setTilingMode(ImageWriteParam.MODE_EXPLICIT); param.setTiling(tileW, tileH, 0, 0); } else { param.setTilingMode(ImageWriteParam.MODE_EXPLICIT); param.setTiling(actualTileW, actualTileH, 0, 0); } if (this.compressionScheme != null && !Double.isNaN(compressionRatio)) { param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionType(compressionScheme); param.setCompressionQuality((float) this.compressionRatio); } final RenderingHints newHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout); newHints.add(new RenderingHints(JAI.KEY_TILE_CACHE, baseTC)); // read base image ParameterBlock pbjRead = new ParameterBlock(); pbjRead.add(stream); pbjRead.add(Integer.valueOf(0)); pbjRead.add(Boolean.FALSE); pbjRead.add(Boolean.FALSE); pbjRead.add(Boolean.FALSE); pbjRead.add(null); pbjRead.add(null); pbjRead.add(null); pbjRead.add(null); currentImage = JAI.create("ImageRead", pbjRead, newHints); message = new StringBuilder("Read original image ").append(fileBeingProcessed); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); int i = 0; // // OVERVIEWS CYLE // for (overviewInProcess = 0; overviewInProcess < numSteps; overviewInProcess++) { message = new StringBuilder("Subsampling step ").append(overviewInProcess + 1) .append(" of image ").append(fileBeingProcessed); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); // paranoiac check if (currentImage.getWidth() / downsampleStep <= 0 || currentImage.getHeight() / downsampleStep <= 0) break; // SCALE // subsampling the input image using the chosen algorithm final SubsampleAlgorithm algorithm = SubsampleAlgorithm.valueOf(scaleAlgorithm); switch (algorithm) { case Average: newImage = Utils.scaleAverage(currentImage, baseTC, downsampleStep, borderExtender); break; case Filtered: newImage = Utils.filteredSubsample(currentImage, baseTC, downsampleStep, lowPassFilter); break; case Bilinear: newImage = Utils.subsample(currentImage, baseTC, new InterpolationBilinear(), downsampleStep, borderExtender); break; case Bicubic: newImage = Utils.subsample(currentImage, baseTC, new InterpolationBicubic(2), downsampleStep, borderExtender); break; case Nearest: newImage = Utils.subsample(currentImage, baseTC, new InterpolationNearest(), downsampleStep, borderExtender); break; default: throw new IllegalArgumentException("Invalid scaling algorithm " + scaleAlgorithm);//cannot get here } //set relevant metadata IIOMetadata imageMetadata = null; if (writer instanceof TIFFImageWriter) { imageMetadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(newImage), param); if (imageMetadata != null) ((TIFFImageMetadata) imageMetadata).addShortOrLongField( BaselineTIFFTagSet.TAG_NEW_SUBFILE_TYPE, BaselineTIFFTagSet.NEW_SUBFILE_TYPE_REDUCED_RESOLUTION); } // write out if (!externalOverviews || i > 0) writer.writeInsert(-1, new IIOImage(newImage, null, imageMetadata), param); else writer.write(null, new IIOImage(newImage, null, imageMetadata), param); message = new StringBuilder("Step ").append(overviewInProcess + 1).append(" of image ") .append(fileBeingProcessed).append(" done!"); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); // switching images currentImage.dispose(); //dispose old image currentImage = newImage; i++; } overallProgress = 100; // close message message = new StringBuilder("Done with image ").append(fileBeingProcessed); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine(message.toString()); } fireEvent(message.toString(), overallProgress); } catch (Throwable e) { fireException(e); } finally { // clean up // clean caches if they are local if (localTileCache && baseTC != null) try { baseTC.flush(); } catch (Exception e) { } // // free everything try { if (streamOut != null) streamOut.close(); } catch (Throwable e) { if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e); } try { if (writer != null) writer.dispose(); } catch (Throwable e) { if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e); } try { if (currentImage != null) currentImage.dispose(); } catch (Throwable e) { if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e); } try { if (newImage != null) newImage.dispose(); } catch (Throwable e) { if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e); } try { if (stream != null) stream.close(); } catch (Throwable e) { if (LOGGER.isLoggable(Level.FINE)) LOGGER.log(Level.FINE, e.getLocalizedMessage(), e); } } } if (LOGGER.isLoggable(Level.FINE)) LOGGER.fine("Done!!!"); }
From source file:org.hippoecm.frontend.plugins.gallery.imageutil.ImageUtils.java
/** * Returns the data of a {@link BufferedImage} as a binary output stream. If the image is <code>null</code>, * a stream of zero bytes is returned.//from www .j a va 2 s .c om * * @param writer the writer to use for writing the image data. * @param image the image to write. * @param compressionQuality a float between 0 and 1 that indicates the desired compression quality. Values lower than * 0 will be interpreted as 0, values higher than 1 will be interpreted as 1. * * @return an output stream with the data of the given image. * * @throws IOException when creating the binary output stream failed. */ public static ByteArrayOutputStream writeImage(ImageWriter writer, BufferedImage image, float compressionQuality) throws IOException { ByteArrayOutputStream out = new ByteArrayOutputStream(); if (image != null) { ImageOutputStream ios = null; try { ios = ImageIO.createImageOutputStream(out); writer.setOutput(ios); // write compressed images with high quality final ImageWriteParam writeParam = writer.getDefaultWriteParam(); if (writeParam.canWriteCompressed()) { String[] compressionTypes = writeParam.getCompressionTypes(); if (compressionTypes != null && compressionTypes.length > 0) { writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); writeParam.setCompressionType(compressionTypes[0]); // ensure a compression quality between 0 and 1 float trimmedCompressionQuality = Math.max(compressionQuality, 0); trimmedCompressionQuality = Math.min(trimmedCompressionQuality, 1f); writeParam.setCompressionQuality(trimmedCompressionQuality); } } final IIOImage iioImage = new IIOImage(image, null, null); writer.write(null, iioImage, writeParam); ios.flush(); } finally { if (ios != null) { ios.close(); } } } return out; }
From source file:org.onehippo.forge.gallerymagick.core.command.ScalrProcessorUtils.java
/** * Resize the given image {@code sourceFile} with resizing it to {@code width} and {@code height} * and store the resized image to {@code targetFile}, with appending {@code extraOptions} in the command line if provided. * @param sourceFile source image file//from w ww . jav a 2 s.com * @param targetFile target image file * @param dimension image dimension * @param extraOptions extra command line options * @throws IOException if IO exception occurs */ public static void resizeImage(File sourceFile, File targetFile, ImageDimension dimension, String... extraOptions) throws IOException { if (dimension == null) { throw new IllegalArgumentException("Invalid dimension: " + dimension); } ImageReader reader = null; ImageWriter writer = null; try { reader = getImageReader(sourceFile); if (reader == null) { throw new IllegalArgumentException( "Unsupported image file name extension for reading: " + sourceFile); } writer = getImageWriter(targetFile); if (writer == null) { throw new IllegalArgumentException( "Unsupported image file name extension for writing: " + targetFile); } BufferedImage sourceImage = reader.read(0); BufferedImage resizedImage = Scalr.resize(sourceImage, Scalr.Method.QUALITY, Scalr.Mode.AUTOMATIC, dimension.getWidth(), dimension.getHeight()); final ImageWriteParam writeParam = writer.getDefaultWriteParam(); if (writeParam.canWriteCompressed()) { String[] compressionTypes = writeParam.getCompressionTypes(); if (compressionTypes != null && compressionTypes.length > 0) { writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); writeParam.setCompressionType(compressionTypes[0]); writeParam.setCompressionQuality(1.0f); } } final IIOImage iioImage = new IIOImage(resizedImage, null, null); writer.write(null, iioImage, writeParam); } finally { if (reader != null) { reader.dispose(); } if (writer != null) { writer.dispose(); } } }