svn commit: r1885551 - /pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java

[ti...@apache.org]

Author: tilman
Date: Sat Jan 16 10:49:16 2021
New Revision: 1885551

URL: http://svn.apache.org/viewvc?rev=1885551&view=rev
Log:
PDFBOX-5078: add simple example

Added:
    pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java   (with props)

Added: pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java?rev=1885551&view=auto
==============================================================================
--- pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java (added)
+++ pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java Sat Jan 16 10:49:16 2021
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+
+/**
+ * Split a booklet. Based on the discussion from
+ * <a href="https://issues.apache.org/jira/browse/PDFBOX-5078">PDFBOX-5078</a>, see there for
+ * example files, more sample code, and a link to a project to create booklets.
+ *
+ * @author Tilman Hausherr
+ */
+public class SplitBooklet
+{
+    /**
+     * Default constructor.
+     */
+    private SplitBooklet()
+    {
+        // example class should not be instantiated
+    }
+
+    public static void main(String[] args) throws IOException
+    {
+        if (args.length < 2)
+        {
+            usage();
+            System.exit(-1);
+        }
+        PDDocument document = PDDocument.load(new File(args[0]));
+        PDDocument outdoc = new PDDocument();
+        for (PDPage page : document.getPages())
+        {
+            PDRectangle cropBoxORIG = page.getCropBox();
+
+            // make sure to have new objects
+            PDRectangle cropBoxLEFT = new PDRectangle(cropBoxORIG.getCOSArray());
+            PDRectangle cropBoxRIGHT = new PDRectangle(cropBoxORIG.getCOSArray());
+
+            if (page.getRotation() == 90 || page.getRotation() == 270)
+            {
+                cropBoxLEFT.setUpperRightY(cropBoxORIG.getLowerLeftY() + cropBoxORIG.getHeight() / 2);
+                cropBoxRIGHT.setLowerLeftY(cropBoxORIG.getLowerLeftY() + cropBoxORIG.getHeight() / 2);
+            }
+            else
+            {
+                cropBoxLEFT.setUpperRightX(cropBoxORIG.getLowerLeftX() + cropBoxORIG.getWidth() / 2);
+                cropBoxRIGHT.setLowerLeftX(cropBoxORIG.getLowerLeftX() + cropBoxORIG.getWidth() / 2);
+            }
+
+            if (page.getRotation() == 180 || page.getRotation() == 270)
+            {
+                PDPage pageRIGHT = outdoc.importPage(page);
+                pageRIGHT.setCropBox(cropBoxRIGHT);
+                PDPage pageLEFT = outdoc.importPage(page);
+                pageLEFT.setCropBox(cropBoxLEFT);
+            }
+            else
+            {
+                PDPage pageLEFT = outdoc.importPage(page);
+                pageLEFT.setCropBox(cropBoxLEFT);
+                PDPage pageRIGHT = outdoc.importPage(page);
+                pageRIGHT.setCropBox(cropBoxRIGHT);
+            }
+        }
+
+        outdoc.save(args[1]);
+        outdoc.close();
+        document.close(); // must be after saving the destination document
+    }
+
+    private static void usage()
+    {
+        System.err.println("Usage: java " + SplitBooklet.class.getName() + " <input-pdf> <output-pdf>");
+    }
+    
+}

Propchange: pdfbox/branches/2.0/examples/src/main/java/org/apache/pdfbox/examples/util/SplitBooklet.java
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