List of usage examples for javax.imageio ImageIO createImageOutputStream
public static ImageOutputStream createImageOutputStream(Object output) throws IOException
From source file:com.el.ecom.utils.ImageUtils.java
/** * ?//from w ww.j a v a2s . com * * @param srcFile ? * @param destFile * @param watermarkFile ? * @param watermarkPosition ?? * @param alpha ?? */ public static void addWatermark(File srcFile, File destFile, File watermarkFile, WatermarkPosition watermarkPosition, int alpha) { Assert.notNull(srcFile); Assert.state(srcFile.exists()); Assert.state(srcFile.isFile()); Assert.notNull(destFile); Assert.state(alpha >= 0); Assert.state(alpha <= 100); if (watermarkFile == null || !watermarkFile.exists() || !watermarkFile.isFile() || watermarkPosition == null || watermarkPosition == WatermarkPosition.no) { try { if (!StringUtils.equals(srcFile.getCanonicalPath(), destFile.getCanonicalPath())) { FileUtils.copyFile(srcFile, destFile); } } catch (IOException e) { throw new RuntimeException(e.getMessage(), e); } return; } 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(); BufferedImage destBufferedImage = new BufferedImage(srcWidth, srcHeight, BufferedImage.TYPE_INT_RGB); graphics2D = destBufferedImage.createGraphics(); graphics2D.setBackground(BACKGROUND_COLOR); graphics2D.clearRect(0, 0, srcWidth, srcHeight); graphics2D.drawImage(srcBufferedImage, 0, 0, null); graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha / 100F)); BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile); int watermarkImageWidth = watermarkBufferedImage.getWidth(); int watermarkImageHeight = watermarkBufferedImage.getHeight(); int x = srcWidth - watermarkImageWidth; int y = srcHeight - watermarkImageHeight; if (watermarkPosition == WatermarkPosition.topLeft) { x = 0; y = 0; } else if (watermarkPosition == WatermarkPosition.topRight) { x = srcWidth - watermarkImageWidth; y = 0; } else if (watermarkPosition == WatermarkPosition.center) { x = (srcWidth - watermarkImageWidth) / 2; y = (srcHeight - watermarkImageHeight) / 2; } else if (watermarkPosition == WatermarkPosition.bottomLeft) { x = 0; y = srcHeight - watermarkImageHeight; } else if (watermarkPosition == WatermarkPosition.bottomRight) { x = srcWidth - watermarkImageWidth; y = srcHeight - watermarkImageHeight; } graphics2D.drawImage(watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, 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(DEST_QUALITY / 100F); imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam); imageOutputStream.flush(); } catch (IOException e) { throw new RuntimeException(e.getMessage(), e); } finally { if (graphics2D != null) { graphics2D.dispose(); } if (imageWriter != null) { imageWriter.dispose(); } try { if (imageOutputStream != null) { imageOutputStream.close(); } } catch (IOException e) { } } } else { String gravity = "SouthEast"; if (watermarkPosition == WatermarkPosition.topLeft) { gravity = "NorthWest"; } else if (watermarkPosition == WatermarkPosition.topRight) { gravity = "NorthEast"; } else if (watermarkPosition == WatermarkPosition.center) { gravity = "Center"; } else if (watermarkPosition == WatermarkPosition.bottomLeft) { gravity = "SouthWest"; } else if (watermarkPosition == WatermarkPosition.bottomRight) { gravity = "SouthEast"; } IMOperation operation = new IMOperation(); operation.gravity(gravity); operation.dissolve(alpha); operation.quality((double) DEST_QUALITY); try { operation.addImage(watermarkFile.getCanonicalPath()); operation.addImage(srcFile.getCanonicalPath()); operation.addImage(destFile.getCanonicalPath()); } catch (IOException e) { throw new RuntimeException(e.getMessage(), e); } if (type == Type.graphicsMagick) { CompositeCmd compositeCmd = new CompositeCmd(true); if (graphicsMagickPath != null) { compositeCmd.setSearchPath(graphicsMagickPath); } try { compositeCmd.run(operation); } catch (IOException e) { throw new RuntimeException(e.getMessage(), e); } catch (InterruptedException e) { throw new RuntimeException(e.getMessage(), e); } catch (IM4JavaException e) { throw new RuntimeException(e.getMessage(), e); } } else { CompositeCmd compositeCmd = new CompositeCmd(false); if (imageMagickPath != null) { compositeCmd.setSearchPath(imageMagickPath); } try { compositeCmd.run(operation); } catch (IOException e) { throw new RuntimeException(e.getMessage(), e); } catch (InterruptedException e) { throw new RuntimeException(e.getMessage(), e); } catch (IM4JavaException e) { throw new RuntimeException(e.getMessage(), e); } } } }
From source file:com.alkacon.opencms.v8.weboptimization.CmsOptimizationSprite.java
/** * Writes the given image as of the given type to the servlet output stream.<p> * // ww w. j ava2 s .c o m * @param image the image to write * @param type the type * * @throws IOException if something goes wrong */ protected void writeImage(BufferedImage image, String type) throws IOException { ImageWriter writer = (ImageWriter) ImageIO.getImageWritersByFormatName(type).next(); ImageOutputStream stream = ImageIO.createImageOutputStream(getJspContext().getResponse().getOutputStream()); writer.setOutput(stream); writer.write(image); // We must close the stream now because if we are wrapping a ServletOutputStream, // a future gc can commit a stream that used in another thread (very very bad) stream.flush(); stream.close(); writer.dispose(); }
From source file:com.aimluck.eip.fileupload.util.FileuploadUtils.java
/** * ???????//from ww w . j a va2 s . c o m * * @param org_id * @param folderName * @param uid * @param fileBean * @param acceptExts * @param msgList * @return */ public static ShrinkImageSet getBytesShrinkFilebean(String org_id, String folderName, int uid, FileuploadLiteBean fileBean, String[] acceptExts, int width, int height, List<String> msgList, boolean isFixOrgImage) { byte[] result = null; byte[] fixResult = null; InputStream is = null; boolean fixed = false; try { String file_name = fileBean.getFileName(); String ext = ""; if (acceptExts != null && acceptExts.length > 0) { // ??? // ???? boolean isAccept = false; String tmpExt = null; int len = acceptExts.length; for (int i = 0; i < len; i++) { if (!acceptExts[i].startsWith(".")) { tmpExt = "." + acceptExts[i]; } if (file_name.toLowerCase().endsWith(tmpExt)) { isAccept = true; ext = tmpExt.replace(".", ""); ; break; } } if (!isAccept) { // ???????null ? return null; } } is = ALStorageService.getFile(FOLDER_TMP_FOR_ATTACHMENT_FILES, uid + ALStorageService.separator() + folderName, String.valueOf(fileBean.getFileId())); byte[] imageInBytes = IOUtils.toByteArray(is); ImageInformation readImageInformation = readImageInformation(new ByteArrayInputStream(imageInBytes)); BufferedImage bufferdImage = ImageIO.read(new ByteArrayInputStream(imageInBytes)); if (readImageInformation != null) { bufferdImage = transformImage(bufferdImage, getExifTransformation(readImageInformation), readImageInformation.orientation >= 5 ? bufferdImage.getHeight() : bufferdImage.getWidth(), readImageInformation.orientation >= 5 ? bufferdImage.getWidth() : bufferdImage.getHeight()); fixed = isFixOrgImage; } if (bufferdImage == null) { // ?bufferdImage???????????,null?. return null; } BufferedImage shrinkImage = FileuploadUtils.shrinkAndTrimImage(bufferdImage, width, height); Iterator<ImageWriter> writers = ImageIO.getImageWritersBySuffix("jpeg"); ImageWriter writer = writers.next(); ByteArrayOutputStream out = new ByteArrayOutputStream(); ImageOutputStream ios = ImageIO.createImageOutputStream(out); writer.setOutput(ios); writer.write(shrinkImage); result = out.toByteArray(); if (fixed) { Iterator<ImageWriter> writers2 = ImageIO.getImageWritersBySuffix(ext); ImageWriter writer2 = writers2.next(); ByteArrayOutputStream out2 = new ByteArrayOutputStream(); ImageOutputStream ios2 = ImageIO.createImageOutputStream(out2); writer2.setOutput(ios2); writer2.write(bufferdImage); fixResult = out2.toByteArray(); } } catch (Exception e) { logger.error("fileupload", e); result = null; } finally { try { if (is != null) { is.close(); } } catch (Exception e) { logger.error("fileupload", e); result = null; } } return new ShrinkImageSet(result, fixed ? fixResult : null); }
From source file:org.getobjects.appserver.publisher.JoDefaultRenderer.java
/** * Renders a java.awt.BufferedImage to the WOResponse of the given context. * Remember to configure:<pre>//from w ww . jav a 2 s . co m * -Djava.awt.headless=true</pre> * (thats the VM arguments of the run panel in Eclipse) * * @param _img - the BufferedImage object to render * @param _ctx - the WOContext to render the image in * @return null if everything went fine, an Exception otherwise */ public Exception renderBufferedImage(BufferedImage _img, WOContext _ctx) { // TBD: this method could be improved a lot, but it works well enough for // simple cases if (_img == null) return new JoInternalErrorException("got no image to render"); /* find a proper image writer */ String usedType = null; Iterator<ImageWriter> writers; ImageWriter writer = null; WORequest rq = _ctx.request(); if (rq != null) { // TBD: just iterate over the accepted (image/) types (considering // the value quality) and check each if (rq.acceptsContentType("image/png", false /* direct match */)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/png")) != null) writer = writers.next(); if (writer != null) usedType = "image/png"; } if (writer == null && rq.acceptsContentType("image/gif", false)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/gif")) != null) writer = writers.next(); if (writer != null) usedType = "image/gif"; } if (writer == null && rq.acceptsContentType("image/jpeg", false)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/jpeg")) != null) writer = writers.next(); if (writer != null) usedType = "image/jpeg"; } } if (writer == null) { if ((writers = ImageIO.getImageWritersByMIMEType("image/png")) != null) writer = writers.next(); if (writer != null) usedType = "image/png"; } if (writer == null) return new JoInternalErrorException("found no writer for image: " + _img); /* prepare WOResponse */ WOResponse r = _ctx.response(); r.setStatus(WOMessage.HTTP_STATUS_OK); r.setHeaderForKey("inline", "content-disposition"); if (usedType != null) r.setHeaderForKey(usedType, "content-type"); // TBD: do we know the content-length? If not, should we generate to a // buffer to avoid confusing the browser (IE ...) r.enableStreaming(); /* write */ ImageOutputStream ios = null; try { ios = ImageIO.createImageOutputStream(rq.outputStream()); } catch (IOException e) { log.warn("could not create image output stream: " + _img); return e; } writer.setOutput(ios); try { writer.write(null, new IIOImage(_img, null, null), null); ios.flush(); writer.dispose(); ios.close(); } catch (IOException e) { log.warn("failed to write image to stream", e); return e; } return null; /* everything is awesome O */ }
From source file:org.getobjects.appserver.publisher.GoDefaultRenderer.java
/** * Renders a java.awt.BufferedImage to the WOResponse of the given context. * Remember to configure:<pre>//from w ww .j av a 2 s . c o m * -Djava.awt.headless=true</pre> * (thats the VM arguments of the run panel in Eclipse) * * @param _img - the BufferedImage object to render * @param _ctx - the WOContext to render the image in * @return null if everything went fine, an Exception otherwise */ public Exception renderBufferedImage(BufferedImage _img, WOContext _ctx) { // TBD: this method could be improved a lot, but it works well enough for // simple cases if (_img == null) return new GoInternalErrorException("got no image to render"); /* find a proper image writer */ String usedType = null; Iterator<ImageWriter> writers; ImageWriter writer = null; WORequest rq = _ctx.request(); if (rq != null) { // TBD: just iterate over the accepted (image/) types (considering // the value quality) and check each if (rq.acceptsContentType("image/png", false /* direct match */)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/png")) != null) writer = writers.next(); if (writer != null) usedType = "image/png"; } if (writer == null && rq.acceptsContentType("image/gif", false)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/gif")) != null) writer = writers.next(); if (writer != null) usedType = "image/gif"; } if (writer == null && rq.acceptsContentType("image/jpeg", false)) { if ((writers = ImageIO.getImageWritersByMIMEType("image/jpeg")) != null) writer = writers.next(); if (writer != null) usedType = "image/jpeg"; } } if (writer == null) { if ((writers = ImageIO.getImageWritersByMIMEType("image/png")) != null) writer = writers.next(); if (writer != null) usedType = "image/png"; } if (writer == null) return new GoInternalErrorException("found no writer for image: " + _img); /* prepare WOResponse */ WOResponse r = _ctx.response(); r.setStatus(WOMessage.HTTP_STATUS_OK); r.setHeaderForKey("inline", "content-disposition"); if (usedType != null) r.setHeaderForKey(usedType, "content-type"); // TBD: do we know the content-length? If not, should we generate to a // buffer to avoid confusing the browser (IE ...) r.enableStreaming(); /* write */ ImageOutputStream ios = null; try { ios = ImageIO.createImageOutputStream(rq.outputStream()); } catch (IOException e) { log.warn("could not create image output stream: " + _img); return e; } writer.setOutput(ios); try { writer.write(null, new IIOImage(_img, null, null), null); ios.flush(); writer.dispose(); ios.close(); } catch (IOException e) { log.warn("failed to write image to stream", e); return e; } return null; /* everything is awesome O */ }
From source file:nl.b3p.imagetool.ImageTool.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// w ww. j a v a2 s. c om */ // <editor-fold defaultstate="" desc="writeOtherImage(BufferedImage bufferedImage, DataWrapper dw, String extension) method."> private static void writeOtherImage(BufferedImage bufferedImage, OutputStream os, 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); os.write(baos.toByteArray()); ios.flush(); ios.close(); }
From source file:org.dcm4che.tool.dcm2jpg.Dcm2Jpg.java
public void convert(File src, File dest) throws IOException { ImageInputStream iis = ImageIO.createImageInputStream(src); try {// w ww.j a v a 2s. c o m BufferedImage bi = readImage(iis); bi = convert(bi); dest.delete(); ImageOutputStream ios = ImageIO.createImageOutputStream(dest); try { writeImage(ios, bi); } finally { try { ios.close(); } catch (IOException ignore) { } } } finally { try { iis.close(); } catch (IOException ignore) { } } }
From source file:org.apache.jetspeed.security.mfa.impl.CaptchaImageResource.java
/** * @param image//from w w w . java2 s . c o m * The image to turn into data * @return The image data for this dynamic image */ protected byte[] toImageData(final BufferedImage image) throws IOException { // Create output stream final ByteArrayOutputStream out = new ByteArrayOutputStream(); String format = config.getImageFormat().substring(1); // Get image writer for format // FIXME: config.getImageFormat() final ImageWriter writer = (ImageWriter) ImageIO.getImageWritersByFormatName(format).next(); // Write out image writer.setOutput(ImageIO.createImageOutputStream(out)); writer.write(image); // Return the image data return out.toByteArray(); }
From source file:org.eclipse.smarthome.ui.internal.chart.ChartServlet.java
@SuppressWarnings({ "null" })
@Override//ww w. j av a 2s .c o m
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
logger.debug("Received incoming chart request: {}", req);
int width = defaultWidth;
String w = req.getParameter("w");
if (w != null) {
try {
width = Integer.parseInt(w);
} catch (NumberFormatException e) {
logger.debug("Ignoring invalid value '{}' for HTTP request parameter 'w'", w);
}
}
int height = defaultHeight;
String h = req.getParameter("h");
if (h != null) {
try {
Double d = Double.parseDouble(h) * scale;
height = d.intValue();
} catch (NumberFormatException e) {
logger.debug("Ignoring invalid value '{}' for HTTP request parameter 'h'", h);
}
}
// To avoid ambiguity you are not allowed to specify period, begin and end time at the same time.
if (req.getParameter("period") != null && req.getParameter("begin") != null
&& req.getParameter("end") != null) {
res.sendError(HttpServletResponse.SC_BAD_REQUEST,
"Do not specify the three parameters period, begin and end at the same time.");
return;
}
// Read out the parameter period, begin and end and save them.
Date timeBegin = null;
Date timeEnd = null;
Long period = PERIODS.get(req.getParameter("period"));
if (period == null) {
// use a day as the default period
period = PERIODS.get("D");
}
if (req.getParameter("begin") != null) {
try {
timeBegin = new SimpleDateFormat(DATE_FORMAT).parse(req.getParameter("begin"));
} catch (ParseException e) {
res.sendError(HttpServletResponse.SC_BAD_REQUEST,
"Begin and end must have this format: " + DATE_FORMAT + ".");
return;
}
}
if (req.getParameter("end") != null) {
try {
timeEnd = new SimpleDateFormat(DATE_FORMAT).parse(req.getParameter("end"));
} catch (ParseException e) {
res.sendError(HttpServletResponse.SC_BAD_REQUEST,
"Begin and end must have this format: " + DATE_FORMAT + ".");
return;
}
}
// Set begin and end time and check legality.
if (timeBegin == null && timeEnd == null) {
timeEnd = new Date();
timeBegin = new Date(timeEnd.getTime() - period);
logger.debug("No begin or end is specified, use now as end and now-period as begin.");
} else if (timeEnd == null) {
timeEnd = new Date(timeBegin.getTime() + period);
logger.debug("No end is specified, use begin + period as end.");
} else if (timeBegin == null) {
timeBegin = new Date(timeEnd.getTime() - period);
logger.debug("No begin is specified, use end-period as begin");
} else if (timeEnd.before(timeBegin)) {
throw new ServletException("The end is before the begin.");
}
// If a persistence service is specified, find the provider
String serviceName = req.getParameter("service");
ChartProvider provider = getChartProviders().get(providerName);
if (provider == null) {
res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Could not get chart provider.");
return;
}
// Read out the parameter 'dpi'
Integer dpi = null;
if (req.getParameter("dpi") != null) {
try {
dpi = Integer.valueOf(req.getParameter("dpi"));
} catch (NumberFormatException e) {
res.sendError(HttpServletResponse.SC_BAD_REQUEST, "dpi parameter is invalid");
return;
}
if (dpi <= 0) {
res.sendError(HttpServletResponse.SC_BAD_REQUEST, "dpi parameter is <= 0");
return;
}
}
// Read out parameter 'legend'
Boolean legend = null;
if (req.getParameter("legend") != null) {
legend = BooleanUtils.toBoolean(req.getParameter("legend"));
}
if (maxWidth > 0 && width > maxWidth) {
height = Math.round((float) height / (float) width * maxWidth);
if (dpi != null) {
dpi = Math.round((float) dpi / (float) width * maxWidth);
}
width = maxWidth;
}
// Set the content type to that provided by the chart provider
res.setContentType("image/" + provider.getChartType());
logger.debug("chart building with width {} height {} dpi {}", width, height, dpi);
try (ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(res.getOutputStream())) {
BufferedImage chart = provider.createChart(serviceName, req.getParameter("theme"), timeBegin, timeEnd,
height, width, req.getParameter("items"), req.getParameter("groups"), dpi, legend);
ImageIO.write(chart, provider.getChartType().toString(), imageOutputStream);
logger.debug("Chart successfully generated and written to the response.");
} catch (ItemNotFoundException e) {
logger.debug("{}", e.getMessage());
res.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage());
} catch (IllegalArgumentException e) {
logger.warn("Illegal argument in chart: {}", e.getMessage());
res.sendError(HttpServletResponse.SC_BAD_REQUEST, "Illegal argument in chart: " + e.getMessage());
} catch (IIOException | EOFException e) {
// this can happen if the request is terminated while the image is streamed, see
// https://github.com/openhab/openhab-distro/issues/684
logger.debug("Failed writing image to response stream", e);
} catch (RuntimeException e) {
if (logger.isDebugEnabled()) {
// we also attach the stack trace
logger.warn("Chart generation failed: {}", e.getMessage(), e);
} else {
logger.warn("Chart generation failed: {}", e.getMessage());
}
res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
}
}