diff options
Diffstat (limited to 'src/main/java/com/lowagie/tools/plugins/Split.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/plugins/Split.java | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/tools/plugins/Split.java b/src/main/java/com/lowagie/tools/plugins/Split.java new file mode 100644 index 0000000..2c14651 --- /dev/null +++ b/src/main/java/com/lowagie/tools/plugins/Split.java @@ -0,0 +1,168 @@ +/*
+ * $Id: Split.java,v 1.9 2005/11/29 21:05:02 blowagie Exp $
+ * $Name: $
+ *
+ * This code is free software. It may only be copied or modified
+ * if you include the following copyright notice:
+ *
+ * This class by Mark Thompson. Copyright (c) 2002 Mark Thompson.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * itext-questions@list.sourceforge.net
+ */
+package com.lowagie.tools.plugins;
+
+import java.io.File;
+import java.io.FileOutputStream;
+
+import javax.swing.JInternalFrame;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.pdf.PdfContentByte;
+import com.lowagie.text.pdf.PdfImportedPage;
+import com.lowagie.text.pdf.PdfReader;
+import com.lowagie.text.pdf.PdfWriter;
+import com.lowagie.tools.arguments.FileArgument;
+import com.lowagie.tools.arguments.LabelAccessory;
+import com.lowagie.tools.arguments.PdfFilter;
+import com.lowagie.tools.arguments.ToolArgument;
+
+/**
+ * This tool lets you split a PDF in two separate PDF files.
+ */
+public class Split extends AbstractTool {
+
+ static {
+ addVersion("$Id: Split.java,v 1.9 2005/11/29 21:05:02 blowagie Exp $");
+ }
+ /**
+ * Constructs an Split object.
+ */
+ public Split() {
+ FileArgument f = new FileArgument(this, "srcfile", "The file you want to split", false, new PdfFilter());
+ f.setLabel(new LabelAccessory());
+ arguments.add(f);
+ arguments.add(new FileArgument(this, "destfile1", "The file to which the first part of the original PDF has to be written", true, new PdfFilter()));
+ arguments.add(new FileArgument(this, "destfile2", "The file to which the second part of the original PDF has to be written", true, new PdfFilter()));
+ arguments.add(new ToolArgument(this, "pagenumber", "The pagenumber where you want to split", String.class.getName()));
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#createFrame()
+ */
+ protected void createFrame() {
+ internalFrame = new JInternalFrame("Split", true, false, true);
+ internalFrame.setSize(300, 80);
+ internalFrame.setJMenuBar(getMenubar());
+ System.out.println("=== Split OPENED ===");
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#execute()
+ */
+ public void execute() {
+ try {
+ if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");
+ File src = (File)getValue("srcfile");
+ if (getValue("destfile1") == null) throw new InstantiationException("You need to choose a destination file for the first part of the PDF");
+ File file1 = (File)getValue("destfile1");
+ if (getValue("destfile2") == null) throw new InstantiationException("You need to choose a destination file for the second part of the PDF");
+ File file2 = (File)getValue("destfile2");
+ int pagenumber = Integer.parseInt((String)getValue("pagenumber"));
+
+ // we create a reader for a certain document
+ PdfReader reader = new PdfReader(src.getAbsolutePath());
+ // we retrieve the total number of pages
+ int n = reader.getNumberOfPages();
+ System.out.println("There are " + n + " pages in the original file.");
+
+ if (pagenumber < 2 || pagenumber > n) {
+ throw new DocumentException("You can't split this document at page " + pagenumber + "; there is no such page.");
+ }
+
+ // step 1: creation of a document-object
+ Document document1 = new Document(reader.getPageSizeWithRotation(1));
+ Document document2 = new Document(reader.getPageSizeWithRotation(pagenumber));
+ // step 2: we create a writer that listens to the document
+ PdfWriter writer1 = PdfWriter.getInstance(document1, new FileOutputStream(file1));
+ PdfWriter writer2 = PdfWriter.getInstance(document2, new FileOutputStream(file2));
+ // step 3: we open the document
+ document1.open();
+ PdfContentByte cb1 = writer1.getDirectContent();
+ document2.open();
+ PdfContentByte cb2 = writer2.getDirectContent();
+ PdfImportedPage page;
+ int rotation;
+ int i = 0;
+ // step 4: we add content
+ while (i < pagenumber - 1) {
+ i++;
+ document1.setPageSize(reader.getPageSizeWithRotation(i));
+ document1.newPage();
+ page = writer1.getImportedPage(reader, i);
+ rotation = reader.getPageRotation(i);
+ if (rotation == 90 || rotation == 270) {
+ cb1.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).height());
+ }
+ else {
+ cb1.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
+ }
+ }
+ while (i < n) {
+ i++;
+ document2.setPageSize(reader.getPageSizeWithRotation(i));
+ document2.newPage();
+ page = writer2.getImportedPage(reader, i);
+ rotation = reader.getPageRotation(i);
+ if (rotation == 90 || rotation == 270) {
+ cb2.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).height());
+ }
+ else {
+ cb2.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
+ }
+ }
+ // step 5: we close the document
+ document1.close();
+ document2.close();
+ }
+ catch(Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument)
+ */
+ public void valueHasChanged(ToolArgument arg) {
+ if (internalFrame == null) {
+ // if the internal frame is null, the tool was called from the commandline
+ return;
+ }
+ // represent the changes of the argument in the internal frame
+ }
+
+
+ /**
+ * Split a PDF in two separate PDF files.
+ * @param args
+ */
+ public static void main(String[] args) {
+ Split tool = new Split();
+ if (args.length < 4) {
+ System.err.println(tool.getUsage());
+ }
+ tool.setArguments(args);
+ tool.execute();
+ }
+
+ /**
+ * @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF()
+ */
+ protected File getDestPathPDF() throws InstantiationException {
+ return (File)getValue("destfile1");
+ }
+}
|