fonts/character_references
* Character references:
* Demonstrate the usefulness of character references, using a suitable font.
*
* Output text containing a character with the glyph name "g.alt". Output the
* Euro glyph via a character reference by name or by numerical value.
*
* Required software: PDFlib/PDFlib+PDI/PPS 9
* Required data: font file
*/
package com.pdflib.cookbook.pdflib.fonts;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class character_references
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust as necessary. */
String searchpath = "../input";
String outfile = "character_references.pdf";
String title = "Character References";
pdflib p = null;
int gentiumfont, courierfont;
int x=20, y=220, width=300, height=300;
try {
p = new pdflib();
p.set_option("searchpath={" + searchpath + "}");
/* This means we must check return values of load_font() etc. */
p.set_option("errorpolicy=return");
if (p.begin_document(outfile, "") == -1)
throw new Exception("Error: " + p.get_errmsg());
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title + " $Revision: 1.10 $");
/* Load the font "Gentium-Italic" with unicode encoding
* (see http://scripts.sil.org/gentium)
*/
gentiumfont = p.load_font("GenI102", "unicode", "");
if (gentiumfont == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Load the font "Courier" */
courierfont = p.load_font("Courier", "unicode", "");
if (courierfont == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Start page */
p.begin_page_ext(width, height, "");
p.fit_textline("Input", x, y, "font=" + courierfont + " fontsize=16");
p.fit_textline("Output", x+160, y, "font=" + gentiumfont +
" fontsize=20");
/* Select a glyph via a character reference which refers to the glyph
* name. Use the "charref" option to enable the character referencing
* feature.
*/
/* First for comparison purposes output the text with the usual glyph "g" */
p.fit_textline("Wing", x, y-=30, "font=" + courierfont +
" fontsize=16");
p.fit_textline("Wing", x+160, y, "font=" + gentiumfont +
" fontsize=20 charref");
/* With the "Gentium-Italic" font, output the text "Wing" containing
* a character with the glyph name "g.alt". (Such a glyph name is used
* to choose among multiple glyphs in the font which have the same
* Unicode value and therefore cannot uniquely be addressed via Unicode
* values.) "g.alt" is addressed via a character reference by name
* "&.g.alt;"
*/
p.fit_textline("Win&.g.alt;", x, y-=23, "font=" + courierfont +
" fontsize=16");
p.fit_textline("Win&.g.alt;", x+160, y, "font=" + gentiumfont +
" fontsize=20 charref");
/* Output the Euro glyph via a character reference by name */
p.fit_textline("500 €", x, y-=23, "font=" + courierfont +
" fontsize=16");
p.fit_textline("500 €", x+160, y, "font=" + gentiumfont +
" fontsize=20 charref");
/* Output the Euro glyph via a character reference by numerical value */
p.fit_textline("500 €", x, y-=23, "font=" + courierfont +
" fontsize=16");
p.fit_textline("500 €", x+160, y, "font=" + gentiumfont +
" fontsize=20 charref");
/* Finish page */
p.end_page_ext("");
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");
} catch (Exception e) {
System.err.println(e.getMessage());
} finally {
if (p != null) {
p.delete();
}
}
}
}