Examples with ImageInput digilib.io.ImageInput used on opensource projects

Example 1 with ImageInput

use of digilib.io.ImageInput in project digilib by robcast.

the class ImageJobDescription method getHiresSize.

/**
 * Return the size of the highest resolution image.
 *
 * @return
 * @throws IOException
 */
public ImageSize getHiresSize() throws IOException {
    // logger.debug("get_hiresSize()");
    if (hiresSize == null) {
        ImageSet fileset = getImageSet();
        ImageInput hiresFile = fileset.getBiggest();
        hiresSize = hiresFile.getSize();
        if (hiresSize == null) {
            throw new FileOpException("Can't get size from hires image file!");
        }
    }
    return hiresSize;
}

Example 2 with ImageInput

use of digilib.io.ImageInput in project digilib by robcast.

the class ImageLoaderDocuImage method identify.

/* 
     * Check image size and type and store in ImageInput
     * @see digilib.image.ImageInfoDocuImage#identify(digilib.io.ImageInput)
     */
public ImageInput identify(ImageInput input) throws IOException {
    ImageInput ii = null;
    if (!reuseReader) {
        // try parent method first
        ii = super.identify(input);
        if (ii != null) {
            return ii;
        }
    }
    logger.debug("identifying (ImageIO) " + input);
    try {
        /*
             * try ImageReader
             */
        reader = getReader(input);
        // set size
        ImageSize d = new ImageSize(reader.getWidth(0), reader.getHeight(0));
        input.setSize(d);
        // set mime type
        if (input.getMimetype() == null) {
            if (input.hasFile()) {
                String t = FileOps.mimeForFile(input.getFile());
                input.setMimetype(t);
            } else {
                // FIXME: is format name a mime type???
                String t = reader.getFormatName();
                input.setMimetype(t);
            }
        }
        return input;
    } catch (FileOpException e) {
        // maybe just our class doesn't know what to do
        logger.error("ImageLoaderDocuimage unable to identify: " + e);
        return null;
    } finally {
        if (!reuseReader && reader != null) {
            reader.dispose();
        }
    }
}

Example 3 with ImageInput

use of digilib.io.ImageInput in project digilib by robcast.

the class ImageJ1DocuImage method identify.

/* Check image size and type and store in ImageInput */
public ImageInput identify(ImageInput input) throws IOException {
    // try parent method first
    ImageInput ii = super.identify(input);
    if (ii != null) {
        return ii;
    }
    logger.debug("identifying (ImageJ1) " + input);
    String path = input.getFile().getAbsolutePath();
    img = IJ.openImage(path);
    // set size
    ImageSize d = new ImageSize(img.getWidth(), img.getHeight());
    input.setSize(d);
    // set mime type
    if (input.getMimetype() == null) {
        String t = FileOps.mimeForFile(input.getFile());
        input.setMimetype(t);
    }
    return input;
}

Example 4 with ImageInput

use of digilib.io.ImageInput in project digilib by robcast.

the class Scaler method processRequest.

/**
 * Service this request using the response.
 *
 * @param request
 * @param response
 * @throws ServletException
 */
public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    if (dlConfig == null) {
        logger.error("ERROR: No Configuration!");
        throw new ServletException("NO VALID digilib CONFIGURATION!");
    }
    accountlog.debug("request: " + request.getQueryString());
    logger.debug("request: " + request.getQueryString());
    // logger.debug("processRequest response committed=" + response.isCommitted());
    if (response.isCommitted()) {
        logger.error("Crap: response committed before we got a chance!");
    }
    final long startTime = System.currentTimeMillis();
    // parse request
    DigilibServletRequest dlRequest = new DigilibServletRequest(request, dlConfig);
    // type of error reporting
    ErrMsg errMsgType = defaultErrMsgType;
    if (dlRequest.hasOption(DigilibOption.errimg)) {
        errMsgType = ErrMsg.IMAGE;
    } else if (dlRequest.hasOption(DigilibOption.errtxt)) {
        errMsgType = ErrMsg.TEXT;
    } else if (dlRequest.hasOption(DigilibOption.errcode)) {
        errMsgType = ErrMsg.CODE;
    }
    try {
        // extract the job information
        final ImageJobDescription jobTicket = ImageJobDescription.getInstance(dlRequest, dlConfig);
        // handle the IIIF info-request
        if (dlRequest.hasOption(DigilibOption.info)) {
            ServletOps.sendIiifInfo(dlRequest, response, logger);
            return;
        }
        if (dlRequest.hasOption(DigilibOption.redirect_info)) {
            StringBuffer url = request.getRequestURL();
            if (url.toString().endsWith("/")) {
                url.append("info.json");
            } else {
                url.append("/info.json");
            }
            // TODO: the redirect should have code 303
            response.sendRedirect(url.toString());
            return;
        }
        // error out if request was bad
        if (dlRequest.errorMessage != null) {
            digilibError(errMsgType, Error.UNKNOWN, dlRequest.errorMessage, response);
            return;
        }
        /*
             * check permissions
             */
        if (useAuthorization) {
            // is the current request/user authorized?
            if (!authzOp.isAuthorized(dlRequest)) {
                // send deny answer and abort
                throw new AuthOpException("Access denied!");
            }
        }
        /*
             * get the input file
             */
        ImageInput fileToLoad = jobTicket.getInput();
        /*
             * if requested, send image as a file
             */
        if (sendFileAllowed && jobTicket.getSendAsFile()) {
            String mt = null;
            if (jobTicket.hasOption(DigilibOption.rawfile)) {
                // mo=rawfile sends as octet-stream
                mt = "application/octet-stream";
            }
            logger.debug("Sending RAW File as is.");
            ServletOps.sendFile(fileToLoad.getFile(), mt, null, response, logger);
            logger.info("Done in " + (System.currentTimeMillis() - startTime) + "ms");
            return;
        }
        /*
             * send the image if it's possible without having to transform it
             */
        if (!jobTicket.isTransformRequired()) {
            logger.debug("Sending File as is.");
            ServletOps.sendFile(fileToLoad.getFile(), null, null, response, logger);
            logger.info("Done in " + (System.currentTimeMillis() - startTime) + "ms");
            return;
        }
        /*
             * check load of workers
             */
        if (imageJobCenter.isBusy()) {
            logger.error("Servlet overloaded!");
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
            return;
        }
        /*
             * dispatch worker job to be done asynchronously
             */
        AsyncContext asyncCtx = request.startAsync();
        // create job
        AsyncServletWorker job = new AsyncServletWorker(dlConfig, jobTicket, asyncCtx, errMsgType, startTime);
        // AsyncServletWorker is its own AsyncListener
        asyncCtx.addListener(job);
        // submit job
        imageJobCenter.submit(job);
    // we're done for now
    } catch (ImageOpException e) {
        logger.error(e.getClass() + ": " + e.getMessage());
        digilibError(errMsgType, Error.IMAGE, null, response);
    } catch (IOException e) {
        logger.error(e.getClass() + ": " + e.getMessage());
        digilibError(errMsgType, Error.FILE, null, response);
    } catch (AuthOpException e) {
        logger.error(e.getClass() + ": " + e.getMessage());
        digilibError(errMsgType, Error.AUTH, null, response);
    } catch (Exception e) {
        logger.error("Other Exception: ", e);
    // TODO: should we rethrow or swallow?
    // throw new ServletException(e);
    }
}

Example 5 with ImageInput

use of digilib.io.ImageInput in project digilib by robcast.

the class DocumentBean method setRequest.

/**
 * Sets the current DigilibRequest. Also completes information in the request.
 *
 * @param dlRequest
 *            The dlRequest to set.
 */
public void setRequest(DigilibServletRequest dlRequest) throws Exception {
    this.dlRequest = dlRequest;
    if (dirCache == null) {
        return;
    }
    String fn = dlRequest.getFilePath();
    // get information about the file
    ImageSet fileset = (ImageSet) dirCache.getFile(fn, dlRequest.getAsInt("pn"));
    if (fileset == null) {
        return;
    }
    // add file name
    dlRequest.setValue("img.fn", fileset);
    // add dpi
    dlRequest.setValue("img.dpix", new Double(fileset.getResX()));
    dlRequest.setValue("img.dpiy", new Double(fileset.getResY()));
    // get number of pages in directory
    DocuDirectory dd = dirCache.getDirectory(fn);
    if (dd != null) {
        // add pt
        dlRequest.setValue("pt", dd.size());
    }
    // get original pixel size
    ImageInput origfile = fileset.getBiggest();
    // check image for size (TODO: just if mo=hires?)
    ImageSize pixsize = origfile.getSize();
    if (pixsize != null) {
        // add pixel size
        dlRequest.setValue("img.pix_x", new Integer(pixsize.getWidth()));
        dlRequest.setValue("img.pix_y", new Integer(pixsize.getHeight()));
    }
}