pdftool.java

Java生成PDF Java生成PDF Java生成PDF

            } else if (opt.equals("--format=png")) {
                format="PNG";
            } else if (opt.equals("--format=jpeg")) {
                format="JPEG";
            } else if (opt.startsWith("--pages=")) {
                pages = getValue(opt);
            } else if (opt.startsWith("--output=")) {
                out = new FileOutputStream(getValue(opt));
            } else if (opt.startsWith("--")) {
                i.previous();
                return;
            } else {
                pdf = load(opt);
            }
        }
        if (pdf!=null) {
            RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_DEFAULT);
            PDFParser parser = new PDFParser(pdf);
            if (format=="tiff") {
                parser.writeAsTIFF(out, dpi, cm, hints);
            } else {
                java.awt.image.BufferedImage image = parser.getPagePainter(0).getImage(dpi, cm);
                javax.imageio.ImageIO.write(image, format, out);
            }
            out.close();
        }
    }

    private static void view(ListIterator i, final PDF pdf, final String filename) throws IOException {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                PDFViewer viewer = PDFViewer.newPDFViewer();
                if (pdf!=null) viewer.loadPDF(pdf, filename);
            }
        });
    }

    private static void usage() {
        System.err.println(APPNAME+" "+PDF.VERSION);
        System.err.println("  Run "+APPNAME+" to open the viewer");
        System.err.println("  Run "+APPNAME+" --help for more information");
        System.err.println();
    }

    private static void help() {
        System.out.println("Usage: "+APPNAME+" [ --output=<outfile> | <infile> | <command> ] *");
        System.out.println();
        System.out.println("  This program runs a pipeline of one or more operations on a PDF. The initial");
        System.out.println("  PDF can be loaded (<infile> in the argument list above) and operations");
        System.out.println("  performed on it, after which it is written to standard out or <outfile> if");
        System.out.println("  it's specified.");
        System.out.println();
        System.out.println("  General arguments are:");
        System.out.println("     --output=<outfile>");
        System.out.println("       Set the file to write to. If not specified the default is standard out");
        System.out.println();
        System.out.println("     --profile=<profile>");
        System.out.println("       Set the output profile to use when rendering the PDF. Valid values are");
        System.out.println("       'nocompression', 'acrobat4', 'acrobat5', 'acrobat6', 'acrobat7'");
        System.out.println("       or 'recompression' (which recompresses uncompressed files)");
        System.out.println();
        System.out.println("     <infile>");
        System.out.println("       The PDF to work on. Must be specified somewhere in the parameter list");
        System.out.println("       unless the <filename> parameter is used with the join command.");
        System.out.println();
        System.out.println("  Command sequences can be one of the following:");
        System.out.println();
        System.out.println("     --version");
        System.out.println();
        System.out.println("       Display a short message then exit");
        System.out.println();
        System.out.println("     --help");
        System.out.println();
        System.out.println("       Display this message then exit");
        System.out.println();
        System.out.println("     --join [ [--pages=<list>] [--pagesize=<size>] [--dpi=<dpi>] <filename> ] *");
        System.out.println();
        System.out.println("       To concatenate a sequence of PDFs: Arguments are:");
        System.out.println();
        System.out.println("         --pagesize=<size>");
        System.out.println("           Set the size of the output pages. Valid values include A4, letter");
        System.out.println("           A4-landscape, 8.5x11in, 210x297mm and so on. The pagesize values is");
        System.out.println("           kept across input documents");
        System.out.println();
        System.out.println("         --dpi=<dpi>");
        System.out.println("           For input files that are bitmap images, this is an alternative way");
        System.out.println("           to set the output page size - by setting the DPI of the input image.");
        System.out.println("           Valid values are 1 to 600 (or 0 to use the default)");
        System.out.println();
        System.out.println("         --pages=<list>");
        System.out.println("           Set which pages from the next input file to use. List may be the");
        System.out.println("           value 'all' for all pages, 'reverse' to reverse the list or a comma-");
        System.out.println("           seperated list of values, eg '1,2-5'. The value 'end' means the last");
        System.out.println("           page, and sequences may be backwards - eg. 'reverse' is equivalent");
        System.out.println("           to 'end-1'.");
        System.out.println();
        System.out.println("         <filename>");
        System.out.println("           The file to join to the existing PDF. May be a PDF, TIFF, JPEG, GIF");
        System.out.println("           PNG or PNM file");
        System.out.println();
        System.out.println("    --form [--flatten] [--xfa=<xfafile>] [--fdf=<fdffile>]");
        System.out.println("             [ [--properties=<propfile>] [--field=key=value] ] *");
        System.out.println();
        System.out.println("       To complete a PDF form: Arguments are:");
        System.out.println();
        System.out.println("         --properties=<propfile>");
        System.out.println("           Load the field values from the specified properties file. The keys");
        System.out.println("           in the file are the field names, the values the value to use");
        System.out.println();
        System.out.println("         --field=<key>=<value>");
        System.out.println("           Set the specified field to the specified value.");
        System.out.println();
        System.out.println("         --xfa=<xfafile>");
        System.out.println("           For a document containing an XFA form, set the form using the");
        System.out.println("           \"datasets\" object from the specified file. If this parameter is");
        System.out.println("           used any \"fields\" or \"properties\" parameters will be ignored.");
        System.out.println();
        System.out.println("         --fdf=<fdffile>");
        System.out.println("           Used to import an FDF or XFDF file into a PDF. If this parameter is");
        System.out.println("           used any \"fields\" or \"properties\" parameters will be ignored.");
        System.out.println();
        System.out.println("         --flatten");
        System.out.println("           Flatten the form after completion");
        System.out.println("");
        System.out.println("    --sign --keystore=<keystore> --alias=<alias> --password=<password>");
        System.out.println("             [--keypassword=<keypassword>] [--keystoretype=<keystoretype>]");
        System.out.println("             [--location=<location>] [--name=<name>] [--reason=<reason>]");
        System.out.println("             [--bottom=<bottom>] [--left=<left>] [--right=<right>] [--top=<top>]");
        System.out.println("             [--page=<page>] [--field=<field>");
        System.out.println();
        System.out.println("       Digitally sign a PDF file: Arguments are:");
        System.out.println();
        System.out.println("         --keystore=<keystore>");
        System.out.println("           The filename to load the keystore from. Must be specified.");
        System.out.println();
        System.out.println("         --alias=<alias>");
        System.out.println("           The alias to use from the keystore. Must be specified.");
        System.out.println();
        System.out.println("         --password=<password>");
        System.out.println("           The password to unlock the keystore. Must be specified.");
        System.out.println();
        System.out.println("         --keystoretype=<keystoretype>");
        System.out.println("           The type of keystore. The default is 'JKS', 'pkcs7' is also common");
        System.out.println();
        System.out.println("         --reason=<reason>");
        System.out.println("           The reason for signing");
        System.out.println();
        System.out.println("         --location=<location>");
        System.out.println("           The location the document is signed at");
        System.out.println();
        System.out.println("         --name=<name>");
        System.out.println("           The name of the person who is signing the document");
        System.out.println();
        System.out.println("         --field=<field>");
        System.out.println("           The name of the signature field. If it doesn't already exist in");
        System.out.println("           the PDF a new field is created with this name");
        System.out.println();
        System.out.println("         --page=<page>");
        System.out.println("           The page number to put the signature appearance on, if required.");
        System.out.println();
        System.out.println("         --left, top, right, bottom");
        System.out.println("           The location on the page to add the new field. The default is not");
        System.out.println("           to create a visible appearance for the signature");
        System.out.println();
        System.out.println("    --toimage [--format=<format>} [--model=<model>] [--dpi=<dpi>]");
        System.out.println();
        System.out.println("       To convert a PDF to a bitmap image - this must be the last command in");
        System.out.println("       the sequence (once a PDF is a TIFF there's nothing more you can do with");
        System.out.println("       it). Arguments are:");
        System.out.println();
        System.out.println("         --format=<format>");
        System.out.println("           Set the output file format. Values are 'tiff', 'png', 'jpeg'. The");
        System.out.println("           default is 'tiff', which will produce a multi-page document. 'png'");
        System.out.println("           and 'jpeg' will result in a single page document only");
        System.out.println();
        System.out.println("         --model=<model>");
        System.out.println("           Set the ColorModel. Values are 'bw', 'gray', 'rgb', 'rgba', 'cmyk'");
        System.out.println("           or 'bwNNN', where NNN is a value betwen 1 and 255 and sets how dark");
        System.out.println("           a color must be to be converted to black. The default model is 'bw'");
        System.out.println();
        System.out.println("         --dpi=<dpi>");
        System.out.println("           Set the DPI of the final file. Valid values are 1 to 600. The");
        System.out.println("           default is 200dpi");
        System.out.println();
        System.out.println("    --view");
        System.out.println();
        System.out.println("       Open the viewer. If a PDF has been specified on the command line, it");
        System.out.println("       will be opened. This must be the last command in the sequence.");
        System.out.println();
        System.out.println();
        System.out.println("  Some examples:");
        System.out.println("  1. To join two files then save them uncompressed");
        System.out.println("     "+APPNAME+" --profile=nocompression --join file1.pdf file2.tif > output.pdf");
        System.out.println();
        System.out.println("  2. To complete a form then display the result");
        System.out.println("     "+APPNAME+" in.pdf --form --field=name=John --field=date='20 May' --view");
        System.out.println();
        System.out.println("  3. To reverse a PDF then convert it to a TIFF");
        System.out.println("     "+APPNAME+" --join --pages=reverse file.pdf --output=out.tif --toimage");
        System.out.println();
        System.out.println("  4. To use only some pages from a source PDF");
        System.out.println("     "+APPNAME+" --join --pages=1,3-7,10-end file1.pdf > out.pdf");
        System.out.println();
        System.out.println("  5. To open and display a PDF");
        System.out.println("     "+APPNAME+" file.pdf");
    }
}