pdfua/inline_tags_in_textflow_pdfua1
Create Tagged PDF with Textflow where the tags are supplied inline in the text.
Download Java Code Switch to PHP Code Show Output
/*
* Inline tags in Textflow:
* Create Tagged PDF with Textflow where the tags are supplied inline in the
* text.
*
* Create multi-column text output which may span multiple pages;
* The Textflow uses inline option lists with tagging information.
* The inline tags demonstrate common tagging constructs like headings, links
* and lists.
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: font file
*/
package com.pdflib.cookbook.pdflib.pdfua;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class inline_tags_in_textflow_pdfua1
{
public static void main (String argv[])
{
pdflib p = null;
String outfile = "inline_tags_in_textflow_pdfua1.pdf";
String title = "Inline tags in Textflow";
String searchpath = "../input";
int act, tf = -1;
String result;
final double llx1= 50, lly1=50, urx1=250, ury1=800;
final double llx2=300, lly2=50, urx2=500, ury2=800;
int exitcode = 0;
/* Repeat the dummy text to produce more contents */
final int count = 10;
/* Macros for various kinds of begin and end tags using "tagbegin" and "tagend" options */
final String macros =
"macro {" +
"basefont {fontname=NotoSerif-Regular charref fontsize=11 leading=120%} " +
"H1 {&basefont fontsize=16 leading=150% fillcolor=red " +
" tagbegin={tagname=H1 Title = {Heading}} } " +
"/H1 {tagend leading=40% nextparagraph} " +
"P {&basefont alignment=justify " +
" tagbegin={tagname=P} fillcolor=black alignment=justify} " +
"/P {nextline leading=80% nextparagraph tagend} " +
"L {tagbegin={tagname=L ListNumbering=Disc} fillcolor=black alignment=justify} " +
"/L {tagend} " +
// Here we supply a nested "P" tag as child of "Caption"
// as they bracket the same content
"Caption {&basefont tagbegin={tagname=Caption tag={tagname=P}} } " +
"/Caption {tagend} " +
"LI {tagbegin={tagname=LI} } " +
"/LI {tagend} " +
"Lbl {&basefont tagbegin={tagname=Lbl}} " +
"/Lbl {tagend} " +
"LBody {&basefont tagbegin={tagname=LBody} } " +
"/LBody {tagend} " +
// Create a named matchbox for links; it will be used to create Link annotations
"Link {tagbegin={tagname=Link Title={Kraxi on the Web} Alt={Kraxi on the Web} } " +
"matchbox={name=kraxi fillcolor=deepskyblue boxheight={capheight descender}} } " +
"/Link {tagend matchbox=end} " +
"}";
/* Dummy text for filling the columns. Soft hyphens are marked with the
* character reference "­" (character references are enabled by the
* charref option).
*/
final String text_P =
"<&P>Lorem ipsum dolor sit amet, consectetur adi­pi­sicing elit, " +
"sed do eius­mod tempor incidi­dunt ut labore et dolore " +
"magna ali­qua. Ut enim ad minim ve­niam, quis nostrud " +
"exer­citation ull­amco la­bo­ris nisi ut " +
"ali­quip ex ea commodo con­sequat. Duis aute irure dolor " +
"in repre­henderit in voluptate velit esse cillum dolore eu " +
"fugiat nulla pari­atur. Excep­teur sint occae­cat " +
"cupi­datat non proident, sunt in culpa qui officia " +
"dese­runt mollit anim id est laborum.<&/P>";
// Caption text including a tagged Link
// Important: do not combine the &Caption and &P macros in a single option
// list since each list can hold only a single "tagbegin" option
final String text_Caption =
"<&Caption>Visit our <&Link>Web site<&/Link> " +
"for more infor­ma­tion about the following products:<&/Caption>\n";
final String productlist[] = { "Apple", "Orange", "Banana" };
try {
p = new pdflib();
/*
* errorpolicy=exception means that the program will stop
* if one of the API function runs into a problem.
*/
p.set_option("errorpolicy=exception searchpath={" + searchpath + "}");
p.begin_document(outfile,
"pdfua=PDF/UA-1 lang=en tag={tagname=Document Title={" + title + "}}");
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title);
/* Automatically create spaces between chunks of text */
p.set_option("autospace=true");
// Feed macros and general options to the Textflow
tf = p.add_textflow(tf, "", macros + " inlineoptions minlinecount=2");
// Create some chapters
for (int i=1; i<=count; i++)
{
// Tagged heading
tf = p.add_textflow(tf, "<&H1>Chapter " + i + "<&/H1>\n", "");
// Tagged paragraph text with inline tags
tf = p.add_textflow(tf, text_P, "");
// Start a tagged list
tf = p.add_textflow(tf, "", "&L");
// The list Caption contains a tagged Link element
tf = p.add_textflow(tf, text_Caption, "");
// List items
for (int item=0; item < productlist.length; item++)
{
tf = p.add_textflow(tf, "", "&LI");
tf = p.add_textflow(tf, "<&Lbl>• <&/Lbl>", "");
tf = p.add_textflow(tf, "<&LBody>" + productlist[item] + "<&/LBody>\n", "");
tf = p.add_textflow(tf, "", "&/LI");
}
tf = p.add_textflow(tf, "", "&/L");
}
// Action for use in Web links
act = p.create_action("URI", "url={http://www.kraxi.com}");
/* Loop until all of the text is placed; create new pages
* as long as more text needs to be placed. Two columns will
* be created on all pages.
*/
do
{
String optlist = "verticalalign=justify linespreadlimit=120% ";
p.begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Fill the first column */
result = p.fit_textflow(tf, llx1, lly1, urx1, ury1, optlist);
/* Fill the second column if we have more text*/
if (!result.equals("_stop"))
result = p.fit_textflow(tf, llx2, lly2, urx2, ury2,optlist);
/* Create Link annotations on all matchboxes named "kraxi"
* (if present on the page, otherwise the call doesn't have any effect)
*/
p.create_annotation(0, 0, 0, 0, "Link",
"action={activate " + act + "} linewidth=0 " +
"usematchbox={kraxi} contents={Link to Kraxi Web site}");
p.end_page_ext("");
/* "_boxfull" means we must continue because there is more text;
* "_nextpage" is interpreted as "start new column"
*/
} while (result.equals("_boxfull") || result.equals("_nextpage"));
/* Check for errors */
if (!result.equals("_stop"))
{
/* "_boxempty" happens if the box is very small and doesn't
* hold any text at all.
*/
if (result.equals( "_boxempty"))
throw new Exception ("Error: Textflow box too small");
else
{
/* Any other return value is a user exit caused by
* the "return" option; this requires dedicated code to
* deal with.
*/
throw new Exception ("User return '" + result +
"' found in Textflow");
}
}
p.delete_textflow(tf);
p.end_document("");
} catch (PDFlibException e) {
System.err.print("PDFlib exception occurred:\n");
System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +
": " + e.get_errmsg() + "\n");
exitcode = 1;
} catch (Exception e) {
System.err.println(e);
exitcode = 1;
} finally {
if (p != null) {
p.delete();
}
System.exit(exitcode);
}
}
}