List of usage examples for javax.imageio ImageIO getImageReaders
public static Iterator<ImageReader> getImageReaders(Object input)
From source file:org.apache.xmlgraphics.image.loader.impl.imageio.ImageLoaderImageIO.java
/** {@inheritDoc} */ public Image loadImage(ImageInfo info, Map hints, ImageSessionContext session) throws ImageException, IOException { RenderedImage imageData = null; IIOException firstException = null; IIOMetadata iiometa = (IIOMetadata) info.getCustomObjects().get(ImageIOUtil.IMAGEIO_METADATA); boolean ignoreMetadata = (iiometa != null); boolean providerIgnoresICC = false; Source src = session.needSource(info.getOriginalURI()); ImageInputStream imgStream = ImageUtil.needImageInputStream(src); try {/*w ww.j ava2 s . com*/ Iterator iter = ImageIO.getImageReaders(imgStream); while (iter.hasNext()) { ImageReader reader = (ImageReader) iter.next(); try { imgStream.mark(); ImageReadParam param = reader.getDefaultReadParam(); reader.setInput(imgStream, false, ignoreMetadata); final int pageIndex = ImageUtil.needPageIndexFromURI(info.getOriginalURI()); try { if (ImageFlavor.BUFFERED_IMAGE.equals(this.targetFlavor)) { imageData = reader.read(pageIndex, param); } else { imageData = reader.read(pageIndex, param); //imageData = reader.readAsRenderedImage(pageIndex, param); //TODO Reenable the above when proper listeners are implemented //to react to late pixel population (so the stream can be closed //properly). } if (iiometa == null) { iiometa = reader.getImageMetadata(pageIndex); } providerIgnoresICC = checkProviderIgnoresICC(reader.getOriginatingProvider()); break; //Quit early, we have the image } catch (IndexOutOfBoundsException indexe) { throw new ImageException("Page does not exist. Invalid image index: " + pageIndex); } catch (IllegalArgumentException iae) { //Some codecs like com.sun.imageio.plugins.wbmp.WBMPImageReader throw //IllegalArgumentExceptions when they have trouble parsing the image. throw new ImageException("Error loading image using ImageIO codec", iae); } catch (IIOException iioe) { if (firstException == null) { firstException = iioe; } else { log.debug("non-first error loading image: " + iioe.getMessage()); } } try { //Try fallback for CMYK images BufferedImage bi = getFallbackBufferedImage(reader, pageIndex, param); imageData = bi; firstException = null; //Clear exception after successful fallback attempt break; } catch (IIOException iioe) { //ignore } imgStream.reset(); } finally { reader.dispose(); } } } finally { ImageUtil.closeQuietly(src); //TODO Some codecs may do late reading. } if (firstException != null) { throw new ImageException("Error while loading image: " + firstException.getMessage(), firstException); } if (imageData == null) { throw new ImageException("No ImageIO ImageReader found ."); } ColorModel cm = imageData.getColorModel(); Color transparentColor = null; if (cm instanceof IndexColorModel) { //transparent color will be extracted later from the image } else { if (providerIgnoresICC && cm instanceof ComponentColorModel) { // Apply ICC Profile to Image by creating a new image with a new // color model. ICC_Profile iccProf = tryToExctractICCProfile(iiometa); if (iccProf != null) { ColorModel cm2 = new ComponentColorModel(new ICC_ColorSpace(iccProf), cm.hasAlpha(), cm.isAlphaPremultiplied(), cm.getTransparency(), cm.getTransferType()); WritableRaster wr = Raster.createWritableRaster(imageData.getSampleModel(), null); imageData.copyData(wr); BufferedImage bi = new BufferedImage(cm2, wr, cm2.isAlphaPremultiplied(), null); imageData = bi; cm = cm2; } } // ImageIOUtil.dumpMetadataToSystemOut(iiometa); // Retrieve the transparent color from the metadata if (iiometa != null && iiometa.isStandardMetadataFormatSupported()) { Element metanode = (Element) iiometa.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName); Element dim = ImageIOUtil.getChild(metanode, "Transparency"); if (dim != null) { Element child; child = ImageIOUtil.getChild(dim, "TransparentColor"); if (child != null) { String value = child.getAttribute("value"); if (value == null || value.length() == 0) { //ignore } else if (cm.getNumColorComponents() == 1) { int gray = Integer.parseInt(value); transparentColor = new Color(gray, gray, gray); } else { StringTokenizer st = new StringTokenizer(value); transparentColor = new Color(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken())); } } } } } if (ImageFlavor.BUFFERED_IMAGE.equals(this.targetFlavor)) { return new ImageBuffered(info, (BufferedImage) imageData, transparentColor); } else { return new ImageRendered(info, imageData, transparentColor); } }
From source file:se.trixon.almond.GraphicsHelper.java
public static Dimension getImgageDimension(File imageFile) throws IOException { ImageInputStream inputStream = ImageIO.createImageInputStream(imageFile); try {//www . ja v a 2 s.com final Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(inputStream); if (imageReaders.hasNext()) { ImageReader imageReader = imageReaders.next(); try { imageReader.setInput(inputStream); return new Dimension(imageReader.getWidth(0), imageReader.getHeight(0)); } finally { imageReader.dispose(); } } } finally { if (inputStream != null) { inputStream.close(); } } return null; }
From source file:org.dita.dost.writer.ImageMetadataFilter.java
private Attributes readMetadata(final URI imgInput) { logger.info("Reading " + imgInput); final XMLUtils.AttributesBuilder a = new XMLUtils.AttributesBuilder(); try {//from w ww.j a v a 2 s. com InputStream in = null; ImageReader r = null; ImageInputStream iis = null; try { in = getInputStream(imgInput); iis = ImageIO.createImageInputStream(in); final Iterator<ImageReader> i = ImageIO.getImageReaders(iis); if (!i.hasNext()) { logger.info("Image " + imgInput + " format not supported"); } else { r = i.next(); r.setInput(iis); final int imageIndex = r.getMinIndex(); a.add(DITA_OT_NS, ATTR_IMAGE_WIDTH, DITA_OT_PREFIX + ":" + ATTR_IMAGE_WIDTH, "CDATA", Integer.toString(r.getWidth(imageIndex))); a.add(DITA_OT_NS, ATTR_IMAGE_HEIGHT, DITA_OT_PREFIX + ":" + ATTR_IMAGE_HEIGHT, "CDATA", Integer.toString(r.getHeight(imageIndex))); final Element node = (Element) r.getImageMetadata(0).getAsTree("javax_imageio_1.0"); final NodeList hs = node.getElementsByTagName("HorizontalPixelSize"); if (hs != null && hs.getLength() == 1) { final float v = Float.parseFloat(((Element) hs.item(0)).getAttribute("value")); final int dpi = Math.round(MM_TO_INCH / v); a.add(DITA_OT_NS, ATTR_HORIZONTAL_DPI, DITA_OT_PREFIX + ":" + ATTR_HORIZONTAL_DPI, "CDATA", Integer.toString(dpi)); } final NodeList vs = node.getElementsByTagName("VerticalPixelSize"); if (vs != null && vs.getLength() == 1) { final float v = Float.parseFloat(((Element) vs.item(0)).getAttribute("value")); final int dpi = Math.round(MM_TO_INCH / v); a.add(DITA_OT_NS, ATTR_VERTICAL_DPI, DITA_OT_PREFIX + ":" + ATTR_VERTICAL_DPI, "CDATA", Integer.toString(dpi)); } } } finally { if (r != null) { r.dispose(); } if (iis != null) { iis.close(); } if (in != null) { in.close(); } } } catch (final Exception e) { logger.error("Failed to read image " + imgInput + " metadata: " + e.getMessage(), e); } return a.build(); }
From source file:org.egov.infra.utils.ImageUtils.java
public static String imageFormat(File image) { try (ImageInputStream iis = ImageIO.createImageInputStream(image)) { Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(iis); return imageReaders.hasNext() ? imageReaders.next().getFormatName() : EMPTY; } catch (IOException e) { LOG.warn("Could not read image format from file", e); return EMPTY; }//from w ww . j a v a2 s. c o m }
From source file:fr.mby.opa.picsimpl.service.BasicPictureFactory.java
protected void loadPicture(final Picture picture, final byte[] contents, final BufferedInputStream stream) throws IOException, UnsupportedPictureTypeException { // Load BufferedImage stream.reset();//from w w w . ja v a 2 s. co m final BufferedImage originalImage = ImageIO.read(stream); if (originalImage == null) { throw new UnsupportedPictureTypeException(picture.getFilename()); } final int width = originalImage.getWidth(); final int height = originalImage.getHeight(); picture.setWidth(width); picture.setHeight(height); picture.setSize(contents.length); // Load thumbnail this.loadThumbnail(picture, originalImage); // Search for picture format String format = null; // with Java image readers stream.reset(); final ImageInputStream imageStream = ImageIO.createImageInputStream(stream); final Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(imageStream); if (imageReaders.hasNext()) { format = imageReaders.next().getFormatName(); } // In picture filename extension if (format == null) { format = FilenameUtils.getExtension(picture.getFilename()); } // Default format if (format == null) { format = BasicPictureFactory.DEFAULT_PICTURE_FORMAT; } picture.setFormat(format.toLowerCase()); // Build Contents final BinaryImage image = new BinaryImage(); image.setData(contents); image.setFilename(picture.getFilename()); image.setFormat(format); image.setWidth(width); image.setHeight(height); picture.setImage(image); }
From source file:org.carcv.core.model.file.FileCarImage.java
/** * Reads a rectangular region from an image in the inStream. * * @param inStream the InputStream from which to load the image fraction * @param rect specifies the rectangular region to load as the image * @throws IOException if an error during loading occurs *//*from w w w. j a v a2 s . c o m*/ public void loadFragment(InputStream inStream, Rectangle rect) throws IOException { ImageInputStream imageStream = ImageIO.createImageInputStream(inStream); ImageReader reader = ImageIO.getImageReaders(imageStream).next(); ImageReadParam param = reader.getDefaultReadParam(); param.setSourceRegion(rect); reader.setInput(imageStream, true, true); this.image = reader.read(0, param); reader.dispose(); imageStream.close(); }
From source file:com.shending.support.CompressPic.java
/** * ?//ww w. j ava2 s . com * * @param srcFile * @param dstFile * @param widthRange * @param heightRange */ public static void cutSquare(String srcFile, String dstFile, int widthRange, int heightRange, int width, int height) { int x = 0; int y = 0; try { ImageInputStream iis = ImageIO.createImageInputStream(new File(srcFile)); Iterator<ImageReader> iterator = ImageIO.getImageReaders(iis); ImageReader reader = (ImageReader) iterator.next(); reader.setInput(iis, true); ImageReadParam param = reader.getDefaultReadParam(); int oldWidth = reader.getWidth(0); int oldHeight = reader.getHeight(0); int newWidth, newHeight; if (width <= oldWidth && height <= oldHeight) { newWidth = oldHeight * widthRange / heightRange; if (newWidth < oldWidth) { newHeight = oldHeight; x = (oldWidth - newWidth) / 2; } else { newWidth = oldWidth; newHeight = oldWidth * heightRange / widthRange; y = (oldHeight - newHeight) / 2; } Rectangle rectangle = new Rectangle(x, y, newWidth, newHeight); param.setSourceRegion(rectangle); BufferedImage bi = reader.read(0, param); BufferedImage tag = new BufferedImage((int) width, (int) height, BufferedImage.TYPE_INT_RGB); tag.getGraphics().drawImage(bi.getScaledInstance(width, height, Image.SCALE_SMOOTH), 0, 0, null); File file = new File(dstFile); ImageIO.write(tag, reader.getFormatName(), file); } else { BufferedImage bi = reader.read(0, param); BufferedImage tag = new BufferedImage((int) width, (int) height, BufferedImage.TYPE_INT_RGB); Graphics2D g2d = tag.createGraphics(); g2d.setColor(Color.WHITE); g2d.fillRect(0, 0, tag.getWidth(), tag.getHeight()); g2d.drawImage(bi.getScaledInstance(bi.getWidth(), bi.getHeight(), Image.SCALE_SMOOTH), (width - bi.getWidth()) / 2, (height - bi.getHeight()) / 2, null); g2d.dispose(); File file = new File(dstFile); ImageIO.write(tag, reader.getFormatName(), file); } } catch (Exception e) { e.printStackTrace(); } }
From source file:org.medici.bia.controller.manuscriptviewer.IIPImageServerController.java
/** * This method retun a specific tiled image. * //from w w w . j a v a2 s .c o m * @param httpServletRequest * @param httpServletResponse */ private void generateFullImage(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) { File imageFile = new File(ApplicationPropertyManager.getApplicationProperty("iipimage.image.path") + httpServletRequest.getParameter("FIF")); ImageInputStream imageInputStream = null; ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); InputStream inputStream = null; try { if (imageFile.canRead()) { // Reading complete tiff information imageInputStream = ImageIO.createImageInputStream(imageFile); } else { logger.error("File " + imageFile.toString() + " is not present on filesystem. "); imageFile = new File(ApplicationPropertyManager.getApplicationProperty("iipimage.image.path") + ApplicationPropertyManager.getApplicationProperty("iipimage.image.notavailable")); if (imageFile.canRead()) { // Reading complete tiff information imageInputStream = ImageIO.createImageInputStream(imageFile); } else { logger.error("File " + imageFile.toString() + " is not present on filesystem. "); } } if (imageInputStream != null) { Iterator<ImageReader> readers = ImageIO.getImageReaders(imageInputStream); ImageReader reader = readers.next(); reader.setInput(imageInputStream, true, true); // Reading image position requested Integer imageFullIndex = NumberUtils.createInteger(httpServletRequest.getParameter("full")); // Positioning at correct page BufferedImage pageImage = reader.read(imageFullIndex); // preparing image for output ImageIO.write(pageImage, "jpeg", byteArrayOutputStream); inputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); // writing image to output httpServletResponse.setContentType("image/jpeg"); IOUtils.copy(inputStream, httpServletResponse.getOutputStream()); } // Flushing request httpServletResponse.getOutputStream().flush(); } catch (IOException ioException) { logger.debug(ioException); } finally { try { if (inputStream != null) { inputStream.close(); } } catch (IOException ioException) { } try { if (byteArrayOutputStream != null) { byteArrayOutputStream.close(); } } catch (IOException ioException) { } try { if (imageInputStream != null) { imageInputStream.close(); } } catch (IOException ioException) { } } }
From source file:net.filterlogic.util.imaging.ToTIFF.java
/** * Convert multipage TIFF to single page TIFF. * @param srcFiles Array of source files to convert. * @param destPath Folder to store single page TIFFs in. * @param archivePath Path to move source TIFF files to after single page TIFFs created. * @param pattern Pattern of single page TIFF file names. Java NumberFormatter used with page number to create file name. * @param multipage Set to true if source TIFFs should be coverted to multi-page TIFF. * @param dpi DPI to set TIFFs to.// ww w.j av a2 s . c o m * @return Returns a list of files in destination path. * @throws net.filterlogic.util.imaging.OpenCaptureImagingException */ public static List toTIFF(String[] srcFiles, String destPath, String archivePath, String pattern, boolean multipage, int dpi) throws OpenCaptureImagingException { String pathSep = System.getProperty("file.separator"); boolean jaiSupport = true; int pageCount = 0; int fileNameCount = 0; byte[] imageData = null; // make sure destpath has trailing slash. if (destPath.lastIndexOf(pathSep) != destPath.length() - 1) destPath += pathSep; // create path if doesn't exist if (!Path.ValidatePath(destPath)) if (!Path.createPath(destPath)) throw new OpenCaptureImagingException( "Unable to create destination path for imported images [" + destPath + "]"); // make sure archivePath has trailing slash if (archivePath.lastIndexOf(pathSep) != archivePath.length() - 1) archivePath += pathSep; if (!Path.ValidatePath(archivePath)) if (!Path.createPath(archivePath)) throw new OpenCaptureImagingException( "Unable to create archive path for imported images [" + archivePath + "]"); // set a default pattern if one not passed. if (pattern.trim().length() < 1) pattern = "#"; NumberFormat formatter = new DecimalFormat(pattern); ArrayList<String> list = new ArrayList<String>(); for (int i = 0; i < srcFiles.length; i++) { try { File f = new File(srcFiles[i]); imageData = null; ImageIO.setUseCache(false); ImageInputStream imageInputStream = ImageIO.createImageInputStream(f); java.util.Iterator readers = ImageIO.getImageReaders(imageInputStream); ImageReader reader1 = null; if (readers.hasNext()) { reader1 = (ImageReader) readers.next(); jaiSupport = true; } else jaiSupport = false; if (jaiSupport) { //ImageInputStream iis = ImageIO.createImageInputStream(new FileInputStream(f)); reader1.setInput(imageInputStream); pageCount = reader1.getNumImages(true); } else { String newFileName = bigEndian2LittleEndian(f.getAbsolutePath()); if (imageInputStream != null) { imageInputStream.flush(); imageInputStream.close(); reader1.setInput(imageInputStream); pageCount = reader1.getNumImages(true); } imageInputStream = ImageIO.createImageInputStream(new File(newFileName)); readers = ImageIO.getImageReaders(imageInputStream); } // Iterator writers = ImageIO.getImageWritersByFormatName("tiff"); // ImageWriter writer = (ImageWriter)writers.next(); //ImageWriteParam param = writer.getDefaultWriteParam(); //param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); //String[] legalTypes = param.getCompressionTypes(); //param.setCompressionType("PackBits"); //ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); ImageOutputStream ios = null; BufferedImage img = null; // break out each page to single file for (int t = 0; t < pageCount; t++) { // format filenumber String tifName = destPath + formatter.format(fileNameCount) + ".tif"; while (new File(tifName).exists()) { tifName = destPath + formatter.format(++fileNameCount) + ".tif"; } FileOutputStream file = new FileOutputStream(new File(tifName)); if (jaiSupport) { img = reader1.read(t); IIOImage iioimg = reader1.readAll(t, null); //ios = ImageIO.createImageOutputStream(file); //IIOMetadata iiom = getMetadata(writer, img, null, 200); } else { img = loadTIFF(imageData, t); } TIFFEncodeParam tep = setEncoder(TIFFEncodeParam.COMPRESSION_PACKBITS, 200); ImageEncoder encoder = ImageCodec.createImageEncoder("TIFF", file, tep); encoder.encode(img); //boolean ok = ImageIO.write(img, "tiff", ios); //writer.setOutput(ios); //writer.write(iiom, iioimg, null); img.flush(); //ios.flush(); //ios.close(); // ios = null; //iioimg = null; //iiom = null; img = null; //writer.dispose(); //byteOut.flush(); file.close(); file = null; //System.out.println("Add file!"); list.add(tifName); } if (jaiSupport) { reader1.dispose(); } readers = null; // writer.dispose(); // writers = null; imageInputStream.flush(); imageInputStream.close(); imageInputStream = null; f = null; // move file with overwrite if (!net.filterlogic.io.FileAccess.Move(srcFiles[i], archivePath, true)) throw new Exception("Unable to move input file to archive path [" + srcFiles[i] + "] to [" + archivePath + "]"); } catch (Exception e) { throw new OpenCaptureImagingException(e.toString()); } } return list; }
From source file:nl.b3p.viewer.print.PrintInfo.java
/** * Load image dimensions, ideally without decoding the entire image. *//*from w w w .ja v a 2 s .c o m*/ private static Dimension getImageDimension(InputStream image) throws IOException { // http://stackoverflow.com/questions/1559253/java-imageio-getting-image-dimension-without-reading-the-entire-file ImageInputStream in = ImageIO.createImageInputStream(image); try { final Iterator<ImageReader> readers = ImageIO.getImageReaders(in); if (readers.hasNext()) { ImageReader reader = readers.next(); try { reader.setInput(in); return new Dimension(reader.getWidth(0), reader.getHeight(0)); } finally { reader.dispose(); } } } finally { if (in != null) { in.close(); } } return null; }