package com.pdflib.cookbook.pcos.interactive; import java.text.DecimalFormat; import java.text.DecimalFormatSymbols; import java.util.Locale; import com.pdflib.IpCOS; import com.pdflib.cookbook.pcos.pcos_cookbook_example; /** * Retrieve the contents of all annotations. *
* Required software: pCOS interface 3 (pCOS 3.x, PDFlib+PDI/PPS 7.x, TET 2.2,
* PLOP 3.x)
* Required data: PDF document
*
* @version $Id: annotations.java,v 1.10 2015/11/16 11:53:16 stm Exp $
*/
public class annotations extends pcos_cookbook_example {
/* This is where the data files are. Adjust as necessary. */
private final static String SEARCH_PATH = "../input";
public void example_code(IpCOS p, int doc) throws Exception {
System.out.println("File name: " + p.pcos_get_string(doc, "filename"));
int pagecount = (int) p.pcos_get_number(doc, "length:pages");
for (int page = 0; page < pagecount; page++) {
String annotations_path = "pages[" + page + "]/annots";
int anncount = (int) p.pcos_get_number(doc, "length:"
+ annotations_path);
if (anncount > 0) {
System.out.println("Page " + (page + 1));
for (int ann = 0; ann < anncount; ann++) {
print_annotation(p, doc, annotations_path, ann);
}
}
}
}
/**
* Print information about a single annotation on a page.
*
* @param p
* IpCOS object
* @param doc
* document handle
* @param annotations_path
* the pCOS path for the "annotations" array on the page
* ("pages[n]/annotations", with n = 0, 1, 2, ...)
* @param ann
* index of the annotation in the "annotations" array of the
* page object
*
* @throws Exception
*/
private void print_annotation(IpCOS p, int doc, String annotations_path,
int ann) throws Exception {
/*
* pCOS path for the annotation in question: "pages[n]/annotations[m]"
* with n = 0, 1, 2, ... and m = 0, 1, 2, ...
*/
String annotation_path = annotations_path + "[" + ann + "]";
/*
* Print the type of the annotation.
*/
String subtype = p.pcos_get_string(doc, annotation_path + "/Subtype");
System.out.print("Subtype " + subtype + ", ");
/*
* Print the rectangle for the annotation.
*/
System.out.print("Rectangle ");
String rect_path = annotation_path + "/Rect";
if (p.pcos_get_string(doc, "type:" + rect_path).equals("array")
&& (int) p.pcos_get_number(doc, "length:" + rect_path) == 4) {
System.out.print("[");
DecimalFormat format = new DecimalFormat();
format.setMinimumFractionDigits(0);
format.setMaximumFractionDigits(2);
format.setDecimalFormatSymbols(new DecimalFormatSymbols(Locale.US));
for (int i = 0; i < 4; i += 1) {
if (i > 0) {
System.out.print(" ");
}
System.out.print(format.format(p.pcos_get_number(doc, rect_path
+ "[" + i + "]")));
}
System.out.print("], ");
}
else {
System.out.print("