List of usage examples for javax.imageio ImageIO getImageWritersByFormatName
public static Iterator<ImageWriter> getImageWritersByFormatName(String formatName)
From source file:osmb.program.tiledatawriter.TileImageJpegDataWriter.java
@Override public void initialize() { if (log.isTraceEnabled()) { String s = "Available JPEG image writers:"; Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpeg"); while (writers.hasNext()) { ImageWriter w = writers.next(); s += "\n\t" + w.getClass().getName(); }/*from w ww . j a v a 2 s . co m*/ log.trace(s); } jpegImageWriter = ImageIO.getImageWritersByFormatName("jpeg").next(); if (jpegImageWriter == null) throw new NullPointerException("Unable to create a JPEG image writer"); jpegImageWriter.addIIOWriteWarningListener(ImageWriterWarningListener.INSTANCE); log.debug("Used JPEG image writer: " + jpegImageWriter.getClass().getName()); iwp = jpegImageWriter.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(jpegCompressionLevel); }
From source file:mobac.program.tiledatawriter.TileImageJpegDataWriter.java
public void initialize() { if (log.isTraceEnabled()) { String s = "Available JPEG image writers:"; Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpeg"); while (writers.hasNext()) { ImageWriter w = writers.next(); s += "\n\t" + w.getClass().getName(); }// w w w . j ava2 s. c o m log.trace(s); } jpegImageWriter = ImageIO.getImageWritersByFormatName("jpeg").next(); if (jpegImageWriter == null) throw new NullPointerException("Unable to create a JPEG image writer"); jpegImageWriter.addIIOWriteWarningListener(ImageWriterWarningListener.INSTANCE); log.debug("Used JPEG image writer: " + jpegImageWriter.getClass().getName()); iwp = jpegImageWriter.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(jpegCompressionLevel); }
From source file:ar.com.zauber.common.image.impl.AbstractImage.java
/** * Creates a thumbnail//from w w w. j a v a 2 s .co m * * @param is data source * @param os data source * @throws IOException if there is a problem reading is */ public static void createThumbnail(final InputStream is, final OutputStream os, final int target) throws IOException { final float compression = 0.85F; ImageWriter writer = null; MemoryCacheImageOutputStream mos = null; Graphics2D graphics2D = null; try { final BufferedImage bi = ImageIO.read(is); final Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("JPG"); if (!iter.hasNext()) { throw new IllegalStateException("can't find JPG subsystem"); } int w = bi.getWidth(), h = bi.getHeight(); if (w < target && h < target) { // nothing to recalculate, ya es chiquita. } else { if (w > h) { h = target * bi.getHeight() / bi.getWidth(); w = target; } else { w = target * bi.getWidth() / bi.getHeight(); h = target; } } // draw original image to thumbnail image object and // scale it to the new size on-the-fly final BufferedImage thumbImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); graphics2D = thumbImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(bi, 0, 0, w, h, null); writer = (ImageWriter) iter.next(); final ImageWriteParam iwp = writer.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(compression); mos = new MemoryCacheImageOutputStream(os); writer.setOutput(mos); writer.write(null, new IIOImage(thumbImage, null, null), iwp); } finally { if (writer != null) { writer.dispose(); } if (mos != null) { mos.close(); } if (graphics2D != null) { graphics2D.dispose(); } is.close(); os.close(); } }
From source file:doge.photo.DogePhotoManipulator.java
@Override public Photo manipulate(Photo photo) throws IOException { BufferedImage sourceImage = readImage(photo); BufferedImage destinationImage = manipulate(sourceImage); Photo resultPhoto = () -> {/*from w ww . ja v a 2 s . c om*/ ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); ImageOutputStream ios = ImageIO.createImageOutputStream(outputStream); ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next(); ImageWriteParam param = writer.getDefaultWriteParam(); param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(0.85f); writer.setOutput(ios); writer.write(null, new IIOImage(destinationImage, null, null), param); ImageIO.write(destinationImage, "jpeg", outputStream); return new ByteArrayInputStream(outputStream.toByteArray()); }; return resultPhoto; }
From source file:net.d53dev.dslfy.web.service.GifService.java
public void saveAnimatedGIF(OutputStream out, List<GifFrame> frames, int loopCount) throws Exception { ImageWriter iw = ImageIO.getImageWritersByFormatName("gif").next(); ImageOutputStream ios = ImageIO.createImageOutputStream(out); iw.setOutput(ios);/*from ww w .ja va 2 s . c om*/ iw.prepareWriteSequence(null); int p = 0; for (GifFrame frame : frames) { ImageWriteParam iwp = iw.getDefaultWriteParam(); IIOMetadata metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(frame.img), iwp); this.configureGIFFrame(metadata, String.valueOf(frame.delay / 10L), p++, frame.disposalMethod, loopCount); IIOImage ii = new IIOImage(frame.img, null, metadata); iw.writeToSequence(ii, null); } iw.endWriteSequence(); ios.close(); }
From source file:org.forgerock.doc.maven.PNGUtils.java
private static void saveBufferedImage(final BufferedImage bufferedImage, final File outputFile, final int dotsPerInch) throws IOException { for (Iterator<ImageWriter> iw = ImageIO.getImageWritersByFormatName("png"); iw.hasNext();) { ImageWriter writer = iw.next(); ImageWriteParam writeParam = writer.getDefaultWriteParam(); ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier .createFromBufferedImageType(BufferedImage.TYPE_INT_RGB); IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, writeParam); if (metadata.isReadOnly() || !metadata.isStandardMetadataFormatSupported()) { continue; }/*w ww. j av a 2 s . com*/ setDPI(metadata, dotsPerInch); final ImageOutputStream stream = ImageIO.createImageOutputStream(outputFile); try { writer.setOutput(stream); writer.write(metadata, new IIOImage(bufferedImage, null, metadata), writeParam); } finally { stream.close(); } break; } }
From source file:ScreenCapture.java
private void save() { if (ia.getImage() == null) { System.out.println("No captured image."); return;//w ww.j a v a 2 s. c om } ImageWriter writer = null; ImageOutputStream ios = null; try { Iterator iter = ImageIO.getImageWritersByFormatName("jpeg"); if (!iter.hasNext()) { System.out.println("Unable to save image to jpeg file type."); return; } writer = (ImageWriter) iter.next(); ios = ImageIO.createImageOutputStream(new File("c:\\a.jpg")); writer.setOutput(ios); ImageWriteParam iwp = writer.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(0.95f); writer.write(null, new IIOImage((BufferedImage) ia.getImage(), null, null), iwp); } catch (Exception e2) { e2.printStackTrace(); } }
From source file:ImageUtilities.java
/** * Writes an image to an output stream as a JPEG file. The JPEG quality can * be specified in percent./*from w w w.jav a 2 s . c om*/ * * @param image * image to be written * @param stream * target stream * @param qualityPercent * JPEG quality in percent * * @throws IOException * if an I/O error occured * @throws IllegalArgumentException * if qualityPercent not between 0 and 100 */ public static void saveImageAsJPEG(BufferedImage image, OutputStream stream, int qualityPercent) throws IOException { if ((qualityPercent < 0) || (qualityPercent > 100)) { throw new IllegalArgumentException("Quality out of bounds!"); } float quality = qualityPercent / 100f; ImageWriter writer = null; Iterator iter = ImageIO.getImageWritersByFormatName("jpg"); if (iter.hasNext()) { writer = (ImageWriter) iter.next(); } ImageOutputStream ios = ImageIO.createImageOutputStream(stream); writer.setOutput(ios); ImageWriteParam iwparam = new JPEGImageWriteParam(Locale.getDefault()); iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwparam.setCompressionQuality(quality); writer.write(null, new IIOImage(image, null, null), iwparam); ios.flush(); writer.dispose(); ios.close(); }
From source file:com.sketchy.utils.image.SketchyImage.java
public static void save(SketchyImage sketchyImage, File file) throws Exception { if (!file.getParentFile().canWrite()) { throw new Exception("Can not write to File: " + file.getPath() + "!"); }/*w ww .ja v a2s . com*/ if (!StringUtils.endsWithIgnoreCase(file.getName(), ".png")) { throw new Exception("Can not save SketchyImage! Must be a .png file!"); } Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByFormatName("png"); ImageWriter imageWriter = null; if (imageWriters.hasNext()) { // Just get first one imageWriter = imageWriters.next(); } if (imageWriter == null) { // this should never happen!! if so.. we got problems throw new Exception("Can not find ImageReader for .png Files!"); } ImageOutputStream os = null; try { os = ImageIO.createImageOutputStream(file); imageWriter.setOutput(os); ImageWriteParam imageWriterParam = imageWriter.getDefaultWriteParam(); IIOMetadata metadata = imageWriter.getDefaultImageMetadata( ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_BYTE_BINARY), imageWriterParam); String metaDataFormatName = metadata.getNativeMetadataFormatName(); IIOMetadataNode metaDataNode = (IIOMetadataNode) metadata.getAsTree(metaDataFormatName); NodeList childNodes = metaDataNode.getElementsByTagName("pHYs"); IIOMetadataNode physNode = null; if (childNodes.getLength() == 0) { physNode = new IIOMetadataNode("pHYs"); physNode.setAttribute("pixelsPerUnitXAxis", Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterWidth * 1000))); physNode.setAttribute("pixelsPerUnitYAxis", Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterHeight * 1000))); physNode.setAttribute("unitSpecifier", "meter"); // always meter metaDataNode.appendChild(physNode); } else { for (int nodeIdx = 0; nodeIdx < childNodes.getLength(); nodeIdx++) { physNode = (IIOMetadataNode) childNodes.item(nodeIdx); physNode.setAttribute("pixelsPerUnitXAxis", Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterWidth * 1000))); physNode.setAttribute("pixelsPerUnitYAxis", Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterHeight * 1000))); physNode.setAttribute("unitSpecifier", "meter"); // always meter metaDataNode.appendChild(physNode); } } metadata.setFromTree(metaDataFormatName, metaDataNode); imageWriter.write(new IIOImage(sketchyImage.image, null, metadata)); os.flush(); } catch (Exception e) { throw new Exception("Error Saving SketchyImage File: " + file.getPath() + "! " + e.getMessage()); } finally { IOUtils.closeQuietly(os); } }
From source file:org.shredzone.cilla.service.resource.ImageProcessorImpl.java
/** * Writes a JPEG file with adjustable compression quality. * * @param image//from w w w . ja v a2 s . c o m * {@link BufferedImage} to write * @param out * {@link ImageOutputStream} to write to * @param quality * Compression quality between 0.0f (worst) and 1.0f (best) */ private void jpegQualityWriter(BufferedImage image, ImageOutputStream out, float quality) throws IOException { ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next(); ImageWriteParam iwp = writer.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(quality); IIOImage ioImage = new IIOImage(image, null, null); writer.setOutput(out); writer.write(null, ioImage, iwp); writer.dispose(); }