List of usage examples for javax.imageio ImageIO createImageOutputStream
public static ImageOutputStream createImageOutputStream(Object output) throws IOException
From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactory.java
private static void encodeImageToJPEGStream(BufferedImage image, float quality, int dpi, OutputStream out) throws IOException { // encode to JPEG ImageOutputStream ios = null; ImageWriter imageWriter = null; try {//from w ww. ja va2 s. c o m // find JAI writer imageWriter = ImageIO.getImageWritersBySuffix("jpeg").next(); ios = ImageIO.createImageOutputStream(out); imageWriter.setOutput(ios); // add compression JPEGImageWriteParam jpegParam = (JPEGImageWriteParam) imageWriter.getDefaultWriteParam(); jpegParam.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT); jpegParam.setCompressionQuality(quality); // add metadata ImageTypeSpecifier imageTypeSpecifier = new ImageTypeSpecifier(image); IIOMetadata data = imageWriter.getDefaultImageMetadata(imageTypeSpecifier, jpegParam); Element tree = (Element) data.getAsTree("javax_imageio_jpeg_image_1.0"); Element jfif = (Element) tree.getElementsByTagName("app0JFIF").item(0); jfif.setAttribute("Xdensity", Integer.toString(dpi)); jfif.setAttribute("Ydensity", Integer.toString(dpi)); jfif.setAttribute("resUnits", "1"); // 1 = dots/inch // write imageWriter.write(data, new IIOImage(image, null, null), jpegParam); } finally { // clean up IOUtils.closeQuietly(out); if (ios != null) { ios.close(); } if (imageWriter != null) { imageWriter.dispose(); } } }
From source file:net.rptools.tokentool.AppActions.java
public static void saveToken(File rptok_file, boolean overwrite) { if (rptok_file != null) { if (!rptok_file.getName().toUpperCase().endsWith(".RPTOK")) { rptok_file = new File(rptok_file.getAbsolutePath() + ".rptok"); }/*from ww w. ja v a 2 s. c om*/ if (rptok_file.exists() && !overwrite) { if (!TokenTool.confirm("File exists. Overwrite?")) { return; } else { rptok_file.delete(); } } String tokenName = FilenameUtils.removeExtension(rptok_file.getName()); try { // Write out the token image first or aka POG image. File tokenImageFile = File.createTempFile("tokenImage", ".png"); // PW: This code addes the pHYs chunk to the // output png file with X & Y dpi set. BufferedImage tokenImg = TokenTool.getFrame().getComposedToken(); BufferedImage portraitImg = TokenTool.getFrame().getTokenCompositionPanel().getBaseImage(); ImageWriter writer = getImageWriterBySuffix("png"); // Created object for outputStream so we can properly close it! No longer locks .png files until app closes! ImageOutputStream ios = ImageIO.createImageOutputStream(tokenImageFile); writer.setOutput(ios); ImageWriteParam param = writer.getDefaultWriteParam(); PNGMetadata png = new PNGMetadata(); // 39.375 inches per meter // I'm using the image width for the DPI under // the assumption that the token fits within // one cell. int resX = (int) (tokenImg.getWidth() * 39.375f); png.pHYs_pixelsPerUnitXAxis = resX; png.pHYs_pixelsPerUnitYAxis = resX; png.pHYs_unitSpecifier = 1; // Meters - alternative is "unknown" png.pHYs_present = true; writer.write(null, new IIOImage(tokenImg, null, png), param); ios.close(); // Now write out the Portrait image, here we'll use JPEG to save space File portraitImageFile = File.createTempFile("portraitImage", ".jpg"); writer.reset(); writer = getImageWriterBySuffix("jpg"); ios = ImageIO.createImageOutputStream(portraitImageFile); writer.setOutput(ios); param = writer.getDefaultWriteParam(); writer.write(null, new IIOImage(portraitImg, null, null), param); writer.dispose(); ios.close(); // Lets create the token! Token _token = new Token(); Asset tokenImage = null; tokenImage = AssetManager.createAsset(tokenImageFile); AssetManager.putAsset(tokenImage); _token = new Token(tokenName, tokenImage.getId()); _token.setGMName(tokenName); // Jamz: Below calls not needed, creates extra entries in XML preventing token image from changing inside MapTool //_token.setImageAsset(tokenImage.getName()); //_token.setImageAsset(tokenImage.getName(), tokenImage.getId()); // set the image shape Image image = ImageIO.read(tokenImageFile); _token.setShape(TokenUtil.guessTokenType(image)); // set the height/width, fixes dragging to stamp layer issue _token.setHeight(tokenImg.getHeight()); _token.setWidth(tokenImg.getWidth()); // set the portrait image asset Asset portrait = AssetManager.createAsset(portraitImageFile); // Change for portrait AssetManager.putAsset(portrait); _token.setPortraitImage(portrait.getId()); // Time to write out the .rptok token file... PackedFile pakFile = null; try { pakFile = new PackedFile(rptok_file); saveAssets(_token.getAllImageAssets(), pakFile); pakFile.setContent(_token); BufferedImage thumb = ImageUtil.createCompatibleImage(image, THUMB_SIZE, THUMB_SIZE, null); pakFile.putFile(FILE_THUMBNAIL, ImageUtil.imageToBytes(thumb, "png")); pakFile.setProperty(PROP_VERSION, TokenToolFrame.VERSION); pakFile.save(); } catch (Exception e) { e.printStackTrace(); } finally { if (pakFile != null) pakFile.close(); tokenImageFile.delete(); portraitImageFile.delete(); } } catch (IOException ioe) { ioe.printStackTrace(); TokenTool.showError("Unable to write image: " + ioe); } } }
From source file:org.bigbluebuttonproject.fileupload.document.impl.FileSystemSlideManager.java
/** * This method create thumbImage of the image file given and save it in outFile. * Compression quality is also given. thumbBounds is used for calculating the size of the thumb. * /*from w w w. j a v a 2s.c o m*/ * @param infile slide image to create thumb * @param outfile output thumb file * @param compressionQuality the compression quality * @param thumbBounds the thumb bounds * * @throws IOException Signals that an I/O exception has occurred. */ public void resizeImage(File infile, File outfile, float compressionQuality, int thumbBounds) throws IOException { // Retrieve jpg image to be resized Image image = ImageIO.read(infile); // get original image size for thumb size calculation int imageWidth = image.getWidth(null); int imageHeight = image.getHeight(null); float thumbRatio = (float) thumbBounds / Math.max(imageWidth, imageHeight); int thumbWidth = (int) (imageWidth * thumbRatio); int thumbHeight = (int) (imageHeight * thumbRatio); // draw original image to thumbnail image object and // scale it to the new size on-the-fly BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2D = thumbImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null); // Find a jpeg writer ImageWriter writer = null; Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("jpg"); if (iter.hasNext()) { writer = (ImageWriter) iter.next(); } ImageWriteParam iwp = writer.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(compressionQuality); // Prepare output file ImageOutputStream ios = ImageIO.createImageOutputStream(outfile); writer.setOutput(ios); // write to the thumb image writer.write(thumbImage); // Cleanup ios.flush(); writer.dispose(); ios.close(); }
From source file:org.polymap.core.data.image.ImageEncodeProcessor.java
private void imageioEncodeJPEG(Image image, ChunkedResponseOutputStream out) throws IOException { // this code is from http://forums.sun.com/thread.jspa?threadID=5197061 ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next(); ImageWriteParam param = writer.getDefaultWriteParam(); param.setSourceBands(new int[] { 0, 1, 2 }); ColorModel cm = new DirectColorModel(24, 0x00ff0000, // Red 0x0000ff00, // Green 0x000000ff, // Blue 0x0); // Alpha param.setDestinationType(new ImageTypeSpecifier(cm, cm.createCompatibleSampleModel(1, 1))); ImageOutputStream imageOut = ImageIO.createImageOutputStream(out); writer.setOutput(imageOut);/* w w w .j a v a 2 s . c om*/ writer.write(null, new IIOImage((RenderedImage) image, null, null), param); writer.dispose(); imageOut.close(); }
From source file:com.mirth.connect.server.util.DICOMUtil.java
private static byte[] saveAsJpeg(ImagePlus imagePlug, int quality) { int imageType = BufferedImage.TYPE_INT_RGB; if (imagePlug.getProcessor().isDefaultLut()) { imageType = BufferedImage.TYPE_BYTE_GRAY; }/*w w w. j a v a 2 s. com*/ BufferedImage bufferedImage = new BufferedImage(imagePlug.getWidth(), imagePlug.getHeight(), imageType); ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { Graphics graphics = bufferedImage.createGraphics(); graphics.drawImage(imagePlug.getImage(), 0, 0, null); graphics.dispose(); ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next(); writer.setOutput(ImageIO.createImageOutputStream(baos)); ImageWriteParam param = writer.getDefaultWriteParam(); param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(quality / 100f); if (quality == 100) { param.setSourceSubsampling(1, 1, 0, 0); } IIOImage iioImage = new IIOImage(bufferedImage, null, null); writer.write(null, iioImage, param); return baos.toByteArray(); } catch (Exception e) { logger.error("Error converting dcm file", e); } finally { IOUtils.closeQuietly(baos); } return null; }
From source file:nl.b3p.kaartenbalie.service.KBImageTool.java
/** Writes a JPEG, GIF or PNG image to the outputstream. * * @param bufferedImage BufferedImage created from the given images. * @param dw DataWrapper object in which the request object is stored. * @param extension String with the extension of the file * * @throws Exception/*from w w w. j ava 2s . c o m*/ */ // <editor-fold defaultstate="" desc="writeOtherImage(BufferedImage bufferedImage, DataWrapper dw, String extension) method."> private static void writeOtherImage(BufferedImage bufferedImage, DataWrapper dw, String extension) throws Exception { //log.info("Writing JPG, GIF or PNG using ImageIO.write"); ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageOutputStream ios = ImageIO.createImageOutputStream(baos); ImageIO.write(bufferedImage, extension, ios); dw.write(baos); ios.flush(); ios.close(); }
From source file:uk.co.modularaudio.service.audioanalysis.impl.analysers.StaticThumbnailAnalyser.java
@Override public void completeAnalysis(final AnalysisContext context, final AnalysedData analysedData, final HashedRef hashedRef) { final float rmsDb = AudioMath.levelToDbF(maxRmsValue); final float adjustedDb = (THUMBNAIL_DB - rmsDb); final float adjustmentAbs = AudioMath.dbToLevelF(adjustedDb); final Graphics2D g2d = (Graphics2D) og2d.create(BORDER_WIDTH, BORDER_WIDTH, usableWidth, usableHeight); // g2d.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON ); g2d.setColor(Color.BLACK);// www . j av a 2 s . c om g2d.fillRect(0, 0, usableWidth, usableHeight); g2d.setColor(minMaxColor); int curDataCount = 0; final int oneSideHeight = (usableHeight - 1) / 2; final int zeroYValue = oneSideHeight; for (int i = 0; i < usableWidth; i++) { float minSample = thumbnailValues[curDataCount++] * adjustmentAbs; float maxSample = thumbnailValues[curDataCount++] * adjustmentAbs; curDataCount++; minSample = (minSample < -1.0f ? -1.0f : minSample); maxSample = (maxSample > 1.0f ? 1.0f : maxSample); // assume goes from +1.0 to -1.0 final int curX = i; final int minY = zeroYValue + (int) (minSample * oneSideHeight); final int maxY = zeroYValue + (int) (maxSample * oneSideHeight); g2d.drawLine(curX, minY, curX, maxY); } g2d.setColor(rmsColor); curDataCount = 0; for (int i = 0; i < usableWidth; i++) { curDataCount += 2; float rms = thumbnailValues[curDataCount++] * adjustmentAbs; rms = (rms > 1.0f ? 1.0f : rms); // lSample goes from +1.0 to -1.0 // We need it to go from 0 to height final int curX = i; final int minY = zeroYValue + (int) (rms * oneSideHeight); final int maxY = zeroYValue + (int) (-rms * oneSideHeight); g2d.drawLine(curX, minY, curX, maxY); } try { final ByteArrayOutputStream os = new ByteArrayOutputStream(); final ImageOutputStream ios = ImageIO.createImageOutputStream(os); ImageIO.write(bufferedImage, "png", ios); final InputStream contents = new ByteArrayInputStream(os.toByteArray()); // Now save this generated thumb nail onto disk then pass the path to this in the analysed data hashedStorageService.storeContentsInWarehouse(hashedWarehouse, hashedRef, contents); analysedData .setPathToStaticThumbnail(hashedStorageService.getPathToHashedRef(hashedWarehouse, hashedRef)); } catch (final Exception e) { final String msg = "Exception caught serialising static thumb nail: " + e.toString(); log.error(msg, e); } }
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 {//from w w w .j a v a 2s . c om 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.tinymediamanager.core.ImageCache.java
/** * Scale image to fit in the given width. * /*from w ww . j ava2 s. c om*/ * @param file * the original image file * @param width * the width * @return the input stream * @throws IOException * Signals that an I/O exception has occurred. * @throws InterruptedException */ public static InputStream scaleImage(Path file, int width) throws IOException, InterruptedException { BufferedImage originalImage = null; try { originalImage = createImage(file); } catch (Exception e) { throw new IOException(e.getMessage()); } Point size = new Point(); size.x = width; size.y = size.x * originalImage.getHeight() / originalImage.getWidth(); // BufferedImage scaledImage = Scaling.scale(originalImage, size.x, size.y); BufferedImage scaledImage = Scalr.resize(originalImage, Scalr.Method.QUALITY, Scalr.Mode.AUTOMATIC, size.x, size.y, Scalr.OP_ANTIALIAS); originalImage = null; ImageWriter imgWrtr = null; ImageWriteParam imgWrtrPrm = null; // here we have two different ways to create our thumb // a) a scaled down jpg/png (without transparency) which we have to modify since OpenJDK cannot call native jpg encoders // b) a scaled down png (with transparency) which we can store without any more modifying as png if (hasTransparentPixels(scaledImage)) { // transparent image -> png imgWrtr = ImageIO.getImageWritersByFormatName("png").next(); imgWrtrPrm = imgWrtr.getDefaultWriteParam(); } else { // non transparent image -> jpg // convert to rgb BufferedImage rgb = new BufferedImage(scaledImage.getWidth(), scaledImage.getHeight(), BufferedImage.TYPE_INT_RGB); ColorConvertOp xformOp = new ColorConvertOp(null); xformOp.filter(scaledImage, rgb); imgWrtr = ImageIO.getImageWritersByFormatName("jpg").next(); imgWrtrPrm = imgWrtr.getDefaultWriteParam(); imgWrtrPrm.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT); imgWrtrPrm.setCompressionQuality(0.80f); scaledImage = rgb; } ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageOutputStream output = ImageIO.createImageOutputStream(baos); imgWrtr.setOutput(output); IIOImage outputImage = new IIOImage(scaledImage, null, null); imgWrtr.write(null, outputImage, imgWrtrPrm); imgWrtr.dispose(); scaledImage = null; byte[] bytes = baos.toByteArray(); output.flush(); output.close(); baos.close(); return new ByteArrayInputStream(bytes); }
From source file:common.utils.ImageUtils.java
public static void writeImage(BufferedImage image, float quality, OutputStream out) throws IOException { ImageWriter writer = getImageWriter(); if (writer == null) return;// ww w .j a va 2 s . c om ImageOutputStream ios = ImageIO.createImageOutputStream(out); writer.setOutput(ios); ImageWriteParam param = writer.getDefaultWriteParam(); //JPEGImageWriteParam param = new JPEGImageWriteParam(Locale.getDefault()); //param.setOptimizeHuffmanTables(true); if (quality >= 0) { param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(quality); //param.setCompressionMode(ImageWriteParam.MODE_COPY_FROM_METADATA); //param.setProgressiveMode(ImageWriteParam.MODE_DISABLED); //param.setTilingMode(ImageWriteParam.MODE_DISABLED); } writer.write(null, new IIOImage(image, null, null), param); }