List of usage examples for javax.imageio IIOImage IIOImage
public IIOImage(Raster raster, List<? extends BufferedImage> thumbnails, IIOMetadata metadata)
From source file:ScreenCapture.java
private void save() { if (ia.getImage() == null) { System.out.println("No captured image."); return;/*from www . j a va 2s. 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:de.jwic.ecolib.controls.chart.ChartControl.java
public void renderImage() throws IOException { // create image to draw into BufferedImage bi = new BufferedImage(width < 10 ? 10 : width, height < 10 ? 10 : height, BufferedImage.TYPE_INT_ARGB); Graphics2D g2d = bi.createGraphics(); if (chart != null) { chart.setBackgroundPaint(Color.WHITE); chart.draw(g2d, new Rectangle2D.Double(0, 0, width < 10 ? 10 : width, height < 10 ? 10 : height)); } else {/*ww w .j a va 2s .c o m*/ g2d.setColor(Color.BLACK); g2d.drawString("No chart has been assigned.", 1, 20); } // finish drawing g2d.dispose(); // write image data into output stream ByteArrayOutputStream out = getImageOutputStream(); out.reset(); // create a PNG image ImageWriter imageWriter = new PNGImageWriter(null); ImageWriteParam param = imageWriter.getDefaultWriteParam(); imageWriter.setOutput(new MemoryCacheImageOutputStream(out)); imageWriter.write(null, new IIOImage(bi, null, null), param); imageWriter.dispose(); setMimeType(MIME_TYPE_PNG); }
From source file:mobac.program.tiledatawriter.TileImageJpegDataWriter.java
public void processImage(BufferedImage image, OutputStream out) throws IOException { ImageOutputStream imageOut = ImageIO.createImageOutputStream(out); jpegImageWriter.setOutput(imageOut); IIOImage ioImage = new IIOImage(image, null, null); jpegImageWriter.write(null, ioImage, iwp); }
From source file:ar.com.zauber.common.image.impl.AbstractImage.java
/** * Creates a thumbnail/*from www .j ava 2 s. c o 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:org.shredzone.cilla.service.resource.ImageProcessorImpl.java
/** * Writes a JPEG file with adjustable compression quality. * * @param image/*from w ww . j a v a 2 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(); }
From source file:eu.europa.esig.dss.pades.signature.visible.ImageFactory.java
private static InputStream convertToInputStream(BufferedImage buffImage, int dpi) throws IOException { Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName("jpeg"); if (!it.hasNext()) { throw new DSSException("No writer for JPEG found"); }//from w w w . j ava 2 s . c o m ImageWriter writer = it.next(); JPEGImageWriteParam jpegParams = (JPEGImageWriteParam) writer.getDefaultWriteParam(); jpegParams.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT); jpegParams.setCompressionQuality(1); ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier .createFromBufferedImageType(BufferedImage.TYPE_INT_RGB); IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, jpegParams); initDpi(metadata, dpi); ByteArrayOutputStream os = new ByteArrayOutputStream(); ImageOutputStream imageOs = ImageIO.createImageOutputStream(os); writer.setOutput(imageOs); writer.write(metadata, new IIOImage(buffImage, null, metadata), jpegParams); InputStream is = new ByteArrayInputStream(os.toByteArray()); return is; }
From source file:com.lingxiang2014.util.ImageUtils.java
public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) { Assert.notNull(srcFile);//from ww w.j a v a 2 s . c o m Assert.notNull(destFile); Assert.state(destWidth > 0); Assert.state(destHeight > 0); if (type == Type.jdk) { Graphics2D graphics2D = null; ImageOutputStream imageOutputStream = null; ImageWriter imageWriter = null; try { BufferedImage srcBufferedImage = ImageIO.read(srcFile); int srcWidth = srcBufferedImage.getWidth(); int srcHeight = srcBufferedImage.getHeight(); int width = destWidth; int height = destHeight; if (srcHeight >= srcWidth) { width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth)); } else { height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight)); } BufferedImage destBufferedImage = new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB); graphics2D = destBufferedImage.createGraphics(); graphics2D.setBackground(BACKGROUND_COLOR); graphics2D.clearRect(0, 0, destWidth, destHeight); graphics2D.drawImage(srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH), (destWidth / 2) - (width / 2), (destHeight / 2) - (height / 2), null); imageOutputStream = ImageIO.createImageOutputStream(destFile); imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName())) .next(); imageWriter.setOutput(imageOutputStream); ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam(); imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); imageWriteParam.setCompressionQuality((float) (DEST_QUALITY / 100.0)); imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam); imageOutputStream.flush(); } catch (IOException e) { e.printStackTrace(); } finally { if (graphics2D != null) { graphics2D.dispose(); } if (imageWriter != null) { imageWriter.dispose(); } if (imageOutputStream != null) { try { imageOutputStream.close(); } catch (IOException e) { } } } } else { IMOperation operation = new IMOperation(); operation.thumbnail(destWidth, destHeight); operation.gravity("center"); operation.background(toHexEncoding(BACKGROUND_COLOR)); operation.extent(destWidth, destHeight); operation.quality((double) DEST_QUALITY); operation.addImage(srcFile.getPath()); operation.addImage(destFile.getPath()); if (type == Type.graphicsMagick) { ConvertCmd convertCmd = new ConvertCmd(true); if (graphicsMagickPath != null) { convertCmd.setSearchPath(graphicsMagickPath); } try { convertCmd.run(operation); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } catch (IM4JavaException e) { e.printStackTrace(); } } else { ConvertCmd convertCmd = new ConvertCmd(false); if (imageMagickPath != null) { convertCmd.setSearchPath(imageMagickPath); } try { convertCmd.run(operation); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } catch (IM4JavaException e) { e.printStackTrace(); } } } }
From source file:compressor.Compressor.java
void compress_images(String src, String dest) throws IOException { File f = null;/*w w w . j a v a 2 s. c om*/ String[] paths; try { // create new file f = new File(src); // array of files and directory paths = f.list(); File file = new File(dest + "compressed"); if (!file.exists()) { if (file.mkdir()) { System.out.println("Directory is created!"); } else { System.out.println("Failed to create directory!"); } } dest = dest + "compressed/"; // for each name in the path array for (String path : paths) { // prints filename and directory name File input = new File(src + path); BufferedImage image = ImageIO.read(input); File compressedImageFile = new File(dest + path); OutputStream os = new FileOutputStream(compressedImageFile); Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpg"); ImageWriter writer = (ImageWriter) writers.next(); ImageOutputStream ios = ImageIO.createImageOutputStream(os); writer.setOutput(ios); ImageWriteParam param = writer.getDefaultWriteParam(); param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(0.05f); writer.write(null, new IIOImage(image, null, null), param); os.close(); ios.close(); writer.dispose(); } } catch (Exception e) { } }
From source file:ImageUtils.java
/** * Compress and save an image to the disk. Currently this method only supports JPEG images. * /*from ww w . j a v a 2 s . c o m*/ * @param image The image to save * @param toFileName The filename to use * @param type The image type. Use <code>ImageUtils.IMAGE_JPEG</code> to save as JPEG images, * or <code>ImageUtils.IMAGE_PNG</code> to save as PNG. */ public static void saveCompressedImage(BufferedImage image, String toFileName, int type) { try { if (type == IMAGE_PNG) { throw new UnsupportedOperationException("PNG compression not implemented"); } Iterator iter = ImageIO.getImageWritersByFormatName("jpg"); ImageWriter writer; writer = (ImageWriter) iter.next(); ImageOutputStream ios = ImageIO.createImageOutputStream(new File(toFileName)); writer.setOutput(ios); ImageWriteParam iwparam = new JPEGImageWriteParam(Locale.getDefault()); iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwparam.setCompressionQuality(0.7F); writer.write(null, new IIOImage(image, null, null), iwparam); ios.flush(); writer.dispose(); ios.close(); } catch (IOException e) { e.printStackTrace(); } }
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. j a va 2s. co m 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); } }