Class ExtractImages

tools/src/main/java/org/apache/pdfbox/tools/ExtractImages.java:70–477

Extracts the images from a PDF file. @author Ben Litchfield

 * @author Ben Litchfield
 */
@Command(name = "extractimages", header = "Extracts the images from a PDF document", versionProvider = Version.class, mixinStandardHelpOptions = true)
public final class ExtractImages implements Callable<Integer>
{
    // Expected for CLI app to write to System.out/System.err
    @SuppressWarnings("squid:S106")
    private final PrintStream SYSOUT;
    @SuppressWarnings("squid:S106")
    private final PrintStream SYSERR;

    private static final List<String> JPEG = Arrays.asList(
            COSName.DCT_DECODE.getName(),
            COSName.DCT_DECODE_ABBREVIATION.getName());

    @Option(names = "-password", description = "the password for the PDF or certificate in keystore.", arity = "0..1", interactive = true)
    private String password;

    @Option(names = "-prefix", description = "the image prefix (default to pdf name).")
    private String prefix;

    @Option(names = "-useDirectJPEG", description = "Forces the direct extraction of JPEG/JPX images " +
        "regardless of colorspace or masking.")
    private boolean useDirectJPEG;

    @Option(names = "-noColorConvert", description = "Images are extracted with their " +
        "original colorspace if possible.")
    private boolean noColorConvert;

    @Option(names = {"-i", "--input"}, description = "the PDF file", required = true)
    private File infile;

    private final Set<COSStream> seen = new HashSet<>();
    private int imageCounter = 1;

    /**
     * Constructor.
     */
    public ExtractImages()
    {
        SYSOUT = System.out;
        SYSERR = System.err;
    }

    /**
     * Entry point for the application.
     *
     * @param args The command-line arguments.
     */
    public static void main(String[] args)
    {
        // suppress the Dock icon on OS X
        System.setProperty("apple.awt.UIElement", "true");

        int exitCode = new CommandLine(new ExtractImages()).execute(args);
        System.exit(exitCode);
    }

    public Integer call()
    {