List of usage examples for java.awt.image BufferedImage flush
public void flush()
From source file:ch.sportchef.business.event.control.EventImageService.java
public void uploadImage(@NotNull final Long eventId, @NotNull final byte[] image) throws IOException { final File file = new File(IMAGE_UPLOAD_PATH, String.format("%d%s", eventId, FILE_EXTENSION)); //NON-NLS file.createNewFile();/*from w ww . j a v a2s . c om*/ try (final BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(file), 8192)) { outputStream.write(image); } final String averageColor; final BufferedImage inputImage = ImageIO.read(file); final BufferedImage outputImage = ImageResizer.resizeAndCrop(inputImage, IMAGE_WIDTH, IMAGE_HEIGHT); ImageIO.write(outputImage, FILE_TYPE, file); averageColor = AverageColorCalculator.getAverageColorAsHex(outputImage); inputImage.flush(); outputImage.flush(); final Event event = eventService.findByEventId(eventId).get(); final Event eventToUpdate = EventBuilder.fromEvent(event).withCssBackgroundColor(averageColor) .buildWithVersion(); eventService.update(eventToUpdate); }
From source file:dk.dma.msinm.web.wms.WmsProxyServlet.java
/** * Main GET method//w w w .j a v a 2 s.com * @param request servlet request * @param response servlet response */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { // Cache for a day WebUtils.cache(response, CACHE_TIMEOUT); // Check that the WMS provider has been defined using system properties if (StringUtils.isBlank(wmsServiceName) || StringUtils.isBlank(wmsProvider) || StringUtils.isBlank(wmsLogin) || StringUtils.isBlank(wmsPassword)) { response.sendRedirect(BLANK_IMAGE); return; } @SuppressWarnings("unchecked") Map<String, String[]> paramMap = request.getParameterMap(); String params = paramMap.entrySet().stream().map(p -> String.format("%s=%s", p.getKey(), p.getValue()[0])) .collect(Collectors.joining("&")); params += String.format("&SERVICENAME=%s&LOGIN=%s&PASSWORD=%s", wmsServiceName, wmsLogin, wmsPassword); String url = wmsProvider + "?" + params; log.trace("Loading image " + url); try { BufferedImage image = ImageIO.read(new URL(url)); if (image != null) { image = transformWhiteToTransparent(image); OutputStream out = response.getOutputStream(); ImageIO.write(image, "png", out); image.flush(); out.close(); return; } } catch (Exception e) { log.trace("Failed loading WMS image for URL " + url); } // Fall back to return a blank image response.sendRedirect(BLANK_IMAGE); }
From source file:dk.dma.msiproxy.web.WmsProxyServlet.java
/** * Main GET method//from w w w. j a va 2 s . co m * @param request servlet request * @param response servlet response */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { // Cache for a day WebUtils.cache(response, CACHE_TIMEOUT); // Check that the WMS provider has been defined using system properties if (StringUtils.isBlank(wmsServiceName) || StringUtils.isBlank(wmsProvider) || StringUtils.isBlank(wmsLogin) || StringUtils.isBlank(wmsPassword)) { response.sendRedirect(BLANK_IMAGE); return; } @SuppressWarnings("unchecked") Map<String, String[]> paramMap = (Map<String, String[]>) request.getParameterMap(); String params = paramMap.entrySet().stream().map(p -> String.format("%s=%s", p.getKey(), p.getValue()[0])) .collect(Collectors.joining("&")); params += String.format("&SERVICENAME=%s&LOGIN=%s&PASSWORD=%s", wmsServiceName, wmsLogin, wmsPassword); String url = wmsProvider + "?" + params; log.trace("Loading image " + url); try { BufferedImage image = ImageIO.read(new URL(url)); if (image != null) { image = transformWhiteToTransparent(image); OutputStream out = response.getOutputStream(); ImageIO.write(image, "png", out); image.flush(); out.close(); return; } } catch (Exception e) { log.trace("Failed loading WMS image for URL " + url); } // Fall back to return a blank image response.sendRedirect(BLANK_IMAGE); }
From source file:com.funambol.foundation.util.MediaUtils.java
/** * Creates the thumbnail./*from w w w .j ava 2 s . co m*/ * * @param imageFile the image file * @param thumbFile the empty thumbnail file * @param thumbX the width of the thumbnail * @param thumbY the height of the thumbnail * @param imageName the image file name with extension * @param tolerance the percentage of tolerance before creating a thumbnail * @return true is the thumbnail has been created, false otherwise * @throws IOException if an error occurs */ private static boolean createThumbnail(File imageFile, File thumbFile, int thumbX, int thumbY, String imageName, double tolerance) throws IOException { FileInputStream fileis = null; ImageInputStream imageis = null; Iterator readers = null; try { readers = ImageIO.getImageReadersByFormatName(imageName.substring(imageName.lastIndexOf('.') + 1)); if (readers == null || (!readers.hasNext())) { throw new IOException("File not supported"); } ImageReader reader = (ImageReader) readers.next(); fileis = new FileInputStream(imageFile); imageis = ImageIO.createImageInputStream(fileis); reader.setInput(imageis, true); // Determines thumbnail height, width and quality int thumbWidth = thumbX; int thumbHeight = thumbY; double thumbRatio = (double) thumbWidth / (double) thumbHeight; int imageWidth = reader.getWidth(0); int imageHeight = reader.getHeight(0); // // Don't create the thumbnail if the original file is smaller // than required size increased by % tolerance // if (imageWidth <= (thumbWidth * (1 + tolerance / 100)) && imageHeight <= (thumbHeight * (1 + tolerance / 100))) { return false; } double imageRatio = (double) imageWidth / (double) imageHeight; if (thumbRatio < imageRatio) { thumbHeight = (int) (thumbWidth / imageRatio); } else { thumbWidth = (int) (thumbHeight * imageRatio); } ImageReadParam param = reader.getDefaultReadParam(); param.setSourceSubsampling(3, 3, 0, 0); BufferedImage bi = reader.read(0, param); Image thumb = bi.getScaledInstance(thumbWidth, thumbHeight, Image.SCALE_SMOOTH); BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2D = thumbImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(thumb, 0, 0, thumbWidth, thumbHeight, null); FileOutputStream fileOutputStream = new FileOutputStream(thumbFile); ImageIO.write(thumbImage, "jpg", fileOutputStream); thumb.flush(); thumbImage.flush(); fileOutputStream.flush(); fileOutputStream.close(); graphics2D.dispose(); } finally { if (fileis != null) { fileis.close(); } if (imageis != null) { imageis.close(); } } return true; }
From source file:dk.dma.msinm.web.wms.WmsProxyServlet.java
/** * Masks out white colour/* ww w .java 2 s . c o m*/ * @param image the image to mask out * @return the resulting image */ private BufferedImage transformWhiteToTransparent(BufferedImage image) { BufferedImage dest = image; if (image.getType() != BufferedImage.TYPE_INT_ARGB) { dest = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB); Graphics2D g2 = dest.createGraphics(); g2.drawImage(image, 0, 0, null); g2.dispose(); image.flush(); } // Mask out the white pixels final int width = image.getWidth(); int[] imgData = new int[width]; for (int y = 0; y < dest.getHeight(); y++) { // fetch a line of data from each image dest.getRGB(0, y, width, 1, imgData, 0, 1); // apply the mask for (int x = 0; x < width; x++) { for (Color col : MASKED_COLORS) { int colDist = Math.abs(col.getRed() - (imgData[x] >> 16 & 0x000000FF)) + Math.abs(col.getGreen() - (imgData[x] >> 8 & 0x000000FF)) + Math.abs(col.getBlue() - (imgData[x] & 0x000000FF)); if (colDist <= COLOR_DIST) { imgData[x] = 0x00FFFFFF & imgData[x]; } } } // replace the data dest.setRGB(0, y, width, 1, imgData, 0, 1); } return dest; }
From source file:de.inren.service.picture.PictureModificationServiceImpl.java
private BufferedImage scaleImage(File orginal, final int max) throws IOException { // Load the image. BufferedImage originalImage = ImageIO.read(orginal); // Figure out the new dimensions. final int w = originalImage.getWidth(); final int h = originalImage.getHeight(); final double maxOriginal = Math.max(w, h); final double scaling = max / maxOriginal; final int newW = (int) Math.round(scaling * w); final int newH = (int) Math.round(scaling * h); // If we need to scale down by more than 2x, scale to double the // eventual size and then scale again. This provides much higher // quality results. if (scaling < 0.5f) { final BufferedImage newImg = new BufferedImage(newW * 2, newH * 2, BufferedImage.TYPE_INT_RGB); final Graphics2D gfx = newImg.createGraphics(); gfx.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); gfx.drawImage(originalImage, 0, 0, newW * 2, newH * 2, null); gfx.dispose();//from w ww. j av a2 s . c om newImg.flush(); originalImage = newImg; } // Scale it. BufferedImage newImg = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_RGB); final Graphics2D gfx = newImg.createGraphics(); gfx.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); gfx.drawImage(originalImage, 0, 0, newW, newH, null); gfx.dispose(); newImg.flush(); originalImage.flush(); return newImg; }
From source file:net.filterlogic.util.imaging.ToTIFF.java
/** * //w w w . j a v a 2 s .c o m * @param fileName */ public void test6(String fileName) { try { File f = new File(fileName); ImageInputStream imageInputStream = ImageIO.createImageInputStream(f); java.util.Iterator readers = ImageIO.getImageReaders(imageInputStream); ImageReader reader1 = (ImageReader) readers.next(); ImageInputStream iis = ImageIO.createImageInputStream(new FileInputStream(f)); reader1.setInput(iis); int number = reader1.getNumImages(true); Iterator writers = ImageIO.getImageWritersByFormatName("tiff"); ImageWriter writer = (ImageWriter) writers.next(); ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); ImageOutputStream ios = null; BufferedImage img = null; for (int i = 0; i < number; i++) { img = reader1.read(i); ios = ImageIO.createImageOutputStream(byteOut); writer.setOutput(ios); writer.write(img); ios.flush(); img.flush(); byteOut.flush(); } } catch (Exception e) { System.out.println(e.toString()); } }
From source file:com.opopov.cloud.image.service.ImageStitchingServiceImpl.java
private byte[] combineImagesIntoStitchedImage(@RequestBody ImageStitchingConfiguration config, IndexMap indexMap) throws IOException { int tileWidth = config.getSourceWidth(); int tileHeight = config.getSourceHeight(); //we are creating this big image in memory for the very short time frame, just when //all source data has been downloaded and decoded BufferedImage image = new BufferedImage(config.getRowCount() * tileWidth, config.getColumnCount() * tileHeight, BufferedImage.TYPE_4BYTE_ABGR); Graphics g = image.getGraphics(); int indexOfTileInList = 0; for (int i = 0; i < config.getRowCount(); i++) { for (int j = 0; j < config.getColumnCount(); j++) { Optional<DecodedImage> decoded = indexMap.get(indexOfTileInList++); if (decoded != null) { if (decoded.isPresent()) { g.drawImage(decoded.get().getImage(), i * config.getSourceWidth(), j * config.getSourceHeight(), null); }/* w w w . j ava 2 s . c o m*/ } } } ByteArrayOutputStream buffer = new ByteArrayOutputStream(); image.flush(); ImageIO.write(image, config.getOutputFormat(), buffer); g.dispose(); return buffer.toByteArray(); }
From source file:codes.thischwa.c5c.impl.LocalConnector.java
@Override public StreamContent resize(InputStream imageIn, String imageExt, Dimension dim) throws IOException { BufferedImage img = null; BufferedImage newImg = null;//from w w w . ja v a 2s .c o m try { img = ImageIO.read(imageIn); newImg = Scalr.resize(img, Scalr.Method.BALANCED, Scalr.Mode.AUTOMATIC, dim.width, dim.height); ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageIO.write(newImg, imageExt, baos); baos.flush(); return buildStreamContent(new ByteArrayInputStream(baos.toByteArray()), baos.size()); } catch (IllegalArgumentException | ImagingOpException e) { throw new IOException(e); } finally { if (img != null) img.flush(); if (newImg != null) newImg.flush(); } }
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./*from w w w . ja v a 2s . c om*/ * @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; }