+++ /dev/null
-/*
- * Copyright (c) 2009, Takeyuki Nagao
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the
- * following conditions are met:
- *
- * * Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the
- * following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-package jp.sourceforge.dvibrowser.dvicore.cli.tools;
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FilterOutputStream;
-import java.io.OutputStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.imageio.ImageIO;
-
-import jp.sourceforge.dvibrowser.dvicore.DviException;
-import jp.sourceforge.dvibrowser.dvicore.DviObject;
-import jp.sourceforge.dvibrowser.dvicore.DviPaperSize;
-import jp.sourceforge.dvibrowser.dvicore.DviRect;
-import jp.sourceforge.dvibrowser.dvicore.DviResolution;
-import jp.sourceforge.dvibrowser.dvicore.api.DviContext;
-import jp.sourceforge.dvibrowser.dvicore.api.DviContextSupport;
-import jp.sourceforge.dvibrowser.dvicore.api.DviDocument;
-import jp.sourceforge.dvibrowser.dvicore.api.DviPage;
-import jp.sourceforge.dvibrowser.dvicore.ctx.DefaultDviContext;
-import jp.sourceforge.dvibrowser.dvicore.gui.swing.ViewSpec;
-import jp.sourceforge.dvibrowser.dvicore.image.split.ImageFileConfig;
-import jp.sourceforge.dvibrowser.dvicore.util.Benchmark;
-import jp.sourceforge.dvibrowser.dvicore.util.DviUtils;
-import jp.sourceforge.dvibrowser.dvicore.util.ZipBuilder;
-
-
-public class ConvertToImage
-extends DviObject
-{
- private static final String OPT_SHRINK_FACTOR = "--shrink-factor=";
- private static final String OPT_DPI = "--dpi=";
- private static final String OPT_OUTPUT_FILE = "--output-file=";
- private static final String OPT_RESOURCES_FILE = "--resources-file=";
- private static final String OPT_PAPER_SIZE = "--paper-size=";
- private static final String OPT_USE_BBOX = "--use-bbox=";
- private static final String OPT_PADDING = "--padding=";
- private static final Logger LOGGER = Logger.getLogger(ConvertToImage.class
- .getName());
-
- public static class Config
- extends DviObject
- {
- private final ViewSpec viewSpec;
- private final ArrayList<File> inputs = new ArrayList<File>();
- private boolean useBoundingBox;
- private File outputFile;
- private DviPaperSize paperSize;
- private ImageFileConfig imageFileConfig;
- private int padding;
- private File resourcesFile;
-
- public Config(DviContextSupport dcs) {
- super(dcs);
- viewSpec = new ViewSpec(dcs);
- try {
- setPaperSize(getDviContext().getDefaultPaperSize());
- } catch (DviException e) {
- DviUtils.logStackTrace(LOGGER, Level.WARNING, e);
- setPaperSize(DviPaperSize.FALLBACK);
- }
- // TODO: outsource the config.
- imageFileConfig = ImageFileConfig.PNG;
- padding = 0;
- }
-
- public void setDpi(int dpi)
- {
- viewSpec.setResolution(new DviResolution(dpi, viewSpec.getResolution().shrinkFactor()));
- }
-
- public void setShrinkFactor(int sf)
- {
- viewSpec.setResolution(new DviResolution(viewSpec.getResolution().dpi(), sf));
- }
-
- public ViewSpec getViewSpec() {
- return viewSpec;
- }
-
- public void setUseBoundingBox(boolean crop) {
- this.useBoundingBox = crop;
- }
-
- public boolean useBoundingBox() { return useBoundingBox; }
-
- public void setOutputFile(File outputFile) {
- if (outputFile != null) {
- this.outputFile = outputFile;
- } else {
- this.outputFile = null;
- }
- }
-
- public void addInputFile(File file)
- {
- if (file != null) {
- inputs.add(file);
- } else {
- LOGGER.warning("Input file is null. Ignored.");
- }
- }
-
- public File getOutputFile() {
- return outputFile;
- }
-
- public DviPaperSize getPaperSize() {
- return paperSize;
- }
-
-
- public ArrayList<File> getInputs() {
- return inputs;
- }
-
- public void parseArguments(String [] args) throws DviException
- {
- final DviContext ctx = getDviContext();
- for (int i=0; i<args.length; i++) {
- String a = args[i];
- if (a.startsWith(OPT_DPI)) {
- int dpi = Integer.parseInt(a.substring(OPT_DPI.length()));
- setShrinkFactor(dpi);
- } else if (a.startsWith(OPT_SHRINK_FACTOR)) {
- int sf = Integer.parseInt(a.substring(OPT_SHRINK_FACTOR.length()));
- setShrinkFactor(sf);
- } else if (a.startsWith(OPT_PADDING)) {
- int padding = Integer.parseInt(a.substring(OPT_PADDING.length()));
- setPaddingSize(padding);
- } else if (a.startsWith(OPT_PAPER_SIZE)) {
- String s = a.substring(OPT_PAPER_SIZE.length());
- DviPaperSize paperSize = ctx.findPaperSizeByName(s);
- if (paperSize == null) {
- throw new DviException("Unrecognized papersize: " + s);
- }
- } else if (a.startsWith(OPT_RESOURCES_FILE)) {
- String s = a.substring(OPT_RESOURCES_FILE.length()).trim();
- if (!"".equals(s)) {
- setResourcesFile(new File(s));
- } else {
- throw new DviException("Output filename is empty.");
- }
- } else if (a.startsWith(OPT_OUTPUT_FILE)) {
- String s = a.substring(OPT_OUTPUT_FILE.length()).trim();
- if (!"".equals(s)) {
- setOutputFile(new File(s));
- } else {
- throw new DviException("Output filename is empty.");
- }
- } else if (a.startsWith(OPT_USE_BBOX)) {
- String s = a.substring(OPT_USE_BBOX.length()).trim();
- if ("yes".equalsIgnoreCase(s)) {
- setUseBoundingBox(true);
- } else if ("no".equalsIgnoreCase(s)) {
- setUseBoundingBox(false);
- } else {
- throw new DviException("Invalid parameter value: " + a);
- }
- } else if (a.startsWith("-")) {
- throw new DviException("Unrecognized commandline option: " + a);
- } else {
- for (; i<args.length; i++) {
- a = args[i];
- addInputFile(new File(a));
- }
- }
- }
- }
-
- private void setResourcesFile(File file) {
- this.resourcesFile = file;
- }
-
- public File getResourcesFile() {
- return resourcesFile;
- }
-
- private void setPaddingSize(int padding) {
- this.setPadding(padding);
- }
-
- public void setPaperSize(DviPaperSize paperSize) {
- this.paperSize = paperSize;
- }
-
- public ImageFileConfig getImageFileConfig()
- {
- return imageFileConfig;
- }
-
- public void setImageFileConfig(ImageFileConfig imageFileConfig) {
- this.imageFileConfig = imageFileConfig;
- }
-
- public static String getUsage()
- {
- StringWriter sw = new StringWriter();
- PrintWriter pw = new PrintWriter(sw);
- pw.println("usage: java " + ConvertToImage.class.getName() + " [options] <input-files>");
- pw.println(" options: ");
- pw.println(" --dpi=N Set output DPI to N");
- pw.println(" --shrink-factor=N Set shrink factor to N (1--1024)");
- pw.println(" --output-file=F Set output zip file to F");
- pw.println(" --resources-file=F Set resources file to F");
- pw.println(" --padding=N Set padding size to N");
- return sw.toString();
- }
-
- public void showUsage()
- {
- System.err.println(getUsage());
- }
-
- public boolean isValid() {
- return getInputs().size() > 0;
- }
-
- public void setPadding(int padding) {
- this.padding = padding;
- }
-
- public int getPadding() {
- return padding;
- }
- }
-
- public ConvertToImage(DviContextSupport dcs) {
- super(dcs);
- }
-
- public int convert(Config config) throws Exception {
- DviContext ctx = getDviContext();
- ViewSpec vs = config.getViewSpec();
- DviResolution res = vs.getResolution();
- File outputFile = config.getOutputFile();
- OutputStream os = null;
- if (outputFile != null) {
- if (!outputFile.getName().toLowerCase().endsWith(".zip")) {
- outputFile = new File(outputFile.getParentFile(), outputFile.getName() + ".zip");
- }
- os = new FileOutputStream(outputFile);
- LOGGER.info("Writing outputs to " + outputFile);
- } else {
- os = new FilterOutputStream(System.out) {
- @Override
- public void close()
- {
- // We don't close the stdout.
- }
- };
- }
- ZipBuilder zb = new ZipBuilder(os);
-
- try {
- for (File file : config.getInputs()) {
- try {
- DviDocument doc = ctx.openDviDocument(file);
- LOGGER.info("Processing file: " + file);
- for (int i=0; i<doc.getTotalPages(); i++) {
- DviPage page = doc.getPage(i);
- LOGGER.info("Processing page " + (i + 1) + "/" + doc.getTotalPages());
- DviRect bbox;
- if (config.useBoundingBox()) {
- bbox =
- ctx.getDviToolkit().computeBoundingBox(page, res);
- } else {
- bbox = config.getPaperSize().toBoundingBox(res);
- }
- bbox = bbox.addPadding(config.getPadding());
-
- BufferedImage img = ctx.getDviToolkit().renderToBufferedImage(page, bbox, vs);
- if (img == null) {
- throw new DviException("Failed to render page " + (i + 1));
- }
-
- OutputStream imageOut = zb.openOutputStream
- (String.format("%04d%s", i+1, config.getImageFileConfig().getImageExtension()));
- try {
- ImageIO.write(img, config.getImageFileConfig().getImageType(), imageOut);
- } finally {
- DviUtils.silentClose(imageOut);
- }
- }
- } catch (DviException e) {
- DviUtils.logStackTrace(LOGGER, Level.SEVERE, e);
- throw e;
- }
- }
- } finally {
- DviUtils.silentClose(zb);
- }
- return 0;
- }
-
- public static void main(String[] args)
- {
- try {
- DefaultDviContext ctx = new DefaultDviContext();
-
- Config config = new Config(ctx);
- config.parseArguments(args);
-
- if (!config.isValid()) {
- config.showUsage();
- throw new DviException
- ("Unrecognized command line: " + DviUtils.join(" ", args));
- }
-
- File resourcesFile = config.getResourcesFile();
-
- if (resourcesFile != null) {
- ctx.setRecordResources(true);
- }
-
- Benchmark benchmark = new Benchmark();
- benchmark.begin("dvi rendering");
- benchmark.addSample();
- ConvertToImage app = new ConvertToImage(ctx);
- int retcode = app.convert(config);
- benchmark.end();
-
- if (resourcesFile != null) {
- Set<URL> resources = ctx.getRecordedResources();
- FileOutputStream fos = new FileOutputStream(resourcesFile);
- PrintWriter out = new PrintWriter(fos);
- for (URL url : resources) {
- out.println(url);
- }
- out.flush();
- out.close();
- fos.close();
- }
-
- LOGGER.info("Finished: " + benchmark.format());
- // INT_ARGB: Finished: Benchmark result: dvi rendering: 1 samples in 68.182 sec. 0.015 samples/sec. 68182 msec./sample.
- // INT_RGB: Finished: Benchmark result: dvi rendering: 1 samples in 62.976 sec. 0.016 samples/sec. 62976 msec./sample.
- System.exit(retcode);
- } catch (Exception e) {
- DviUtils.logStackTrace(LOGGER, Level.WARNING, e);
- System.exit(1);
- }
- }
-
-}
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