fonts/starter_fallback
* Starter sample for fallback fonts
*
* Required software: PDFlib/PDFlib+PDI/PPS 9
* Required data: suitable fonts, Japanese CMaps
*/
package com.pdflib.cookbook.pdflib.fonts;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
class starter_fallback {
public static void main(String argv[]) {
/* This is where the data files are. Adjust as necessary. */
final String searchpath = "../input";
final String outfile = "starter_fallback.pdf";
String optlist;
pdflib p = null;
int i, table;
final double llx = 50, lly = 50, urx = 800, ury = 550;
String result;
final String headers[] = { "Use case",
"Option list for the 'fallbackfonts' option", "Base font",
"With fallback font" };
class testcase {
testcase(String usecase, String fontname, String encoding,
String fallbackoptions, String text) {
this.usecase = usecase;
this.fontname = fontname;
this.encoding = encoding;
this.fallbackoptions = fallbackoptions;
this.text = text;
}
String usecase;
String fontname;
String encoding;
String fallbackoptions;
String text;
}
final testcase testcases[] = {
/* Add Euro glyph to an encoding which doesn't support it */
new testcase(
"Extend 8-bit encoding", "Helvetica", "iso8859-1",
"{fontname=Helvetica encoding=unicode forcechars=euro}",
/*
* Reference Euro glyph by name (since it is missing from
* the encoding)
*/
"123€"),
new testcase(
"Use Euro glyph from another font",
"Courier",
"winansi",
"{fontname=Helvetica encoding=unicode forcechars=euro textrise=-5%}",
"123€"),
new testcase("Enlarge all glyphs in a font", "Times-Italic",
"winansi",
/*
* Enlarge all glyphs to better match other fonts of the
* same point size
*/
"{fontname=Times-Italic encoding=unicode forcechars={U+0020-U+00FF} "
+ "fontsize=120%}", "font size"),
new testcase(
"Add enlarged pictogram", "Times-Roman", "unicode",
/* pointing hand pictogram */
"{fontname=ZapfDingbats encoding=unicode forcechars=.a12 fontsize=150% "
+ "textrise=-15%}", "Bullet symbol: &.a12;"),
new testcase(
"Add enlarged symbol glyph",
"Times-Roman",
"unicode",
"{fontname=Symbol encoding=unicode forcechars=U+2663 fontsize=125%}",
"Club symbol: \u2663"),
/*
* Greek characters missing in the font will be pulled from Symbol
* font
*/
new testcase(
"Add Greek characters to Latin font", "Times-Roman",
"unicode", "{fontname=Symbol encoding=unicode}",
"Greek text: \u039B\u039F\u0393\u039F\u03A3"),
/* Font with end-user defined character (EUDC) */
new testcase(
"Gaiji with EUDC font", "KozMinProVI-Regular",
"unicode",
"{fontname=EUDC encoding=unicode forcechars=U+E000 fontsize=140% "
+ "textrise=-20%}", "Gaiji: \uE000"),
/* SING fontlet containing a single gaiji character */
new testcase(
"Gaiji with SING font", "KozMinProVI-Regular",
"unicode",
"{fontname=PDFlibWing encoding=unicode forcechars=gaiji}",
"Gaiji: \uE000"),
new testcase(
"Replace Latin characters in CJK font",
"KozMinProVI-Regular",
"unicode",
"{fontname=Courier-Bold encoding=unicode forcechars={U+0020-U+007E}}",
"Latin and \u65E5\u672C\u8A9E"),
/* Requires "Unicode BMP Fallback SIL" font in fallback.ttf */
/* Identify missing glyphs caused by workflow problems */
new testcase(
"Identify missing glyphs", "Times-Roman", "unicode",
"{fontname=fallback encoding=unicode}",
/*
* deliberately use characters which are not available in
* the base font
*/
"Missing glyphs: \u1234 \u672C \u8A9E")
};
try {
p = new pdflib();
p.set_option("searchpath={" + searchpath + "}");
p.set_option("charref=true");
p.set_option("glyphcheck=replace");
/*
* This means that formatting and other errors will raise an
* exception. This simplifies our sample code, but is not
* recommended for production code.
*/
p.set_option("errorpolicy=exception");
/* Set an output path according to the name of the topic */
if (p.begin_document(outfile, "") == -1) {
throw new Exception("Error: " + p.get_errmsg());
}
p.set_info("Creator", "PDFlib starter sample");
p.set_info("Title", "starter_fallback $Revision: 1.3 $");
/* Start Page */
p.begin_page_ext(0, 0, "width=a4.height height=a4.width");
table = -1;
/* Table header */
for (i = 0; i < headers.length; i++) {
final int col = i + 1;
optlist = "fittextline={fontname=Helvetica-Bold encoding=unicode fontsize=11} "
+ "margin=4";
table = p.add_table_cell(table, col, 1, headers[i], optlist);
}
/* Create fallback samples, one use case per row */
for (i = 0; i < testcases.length; i++) {
final int row = i + 2;
final testcase testcase = testcases[i];
int col = 1;
/* Column 1: description of the use case */
optlist = "fittextline={fontname=Helvetica encoding=unicode fontsize=11} "
+ "margin=4";
table = p.add_table_cell(table, col++, row, testcase.usecase,
optlist);
/* Column 2: reproduce option list literally */
optlist = "fittextline={fontname=Helvetica encoding=unicode fontsize=10} "
+ "margin=4";
table = p.add_table_cell(table, col++, row,
testcase.fallbackoptions, optlist);
/* Column 3: text with base font */
optlist = "fittextline={fontname=" + testcase.fontname
+ " encoding=" + testcase.encoding
+ " fontsize=11 replacementchar=? } margin=4";
table = p.add_table_cell(table, col++, row, testcase.text,
optlist);
/* Column 4: text with base font and fallback fonts */
optlist = "fittextline={fontname=" + testcase.fontname
+ " encoding=" + testcase.encoding
+ " fontsize=11 fallbackfonts={"
+ testcase.fallbackoptions + "}} margin=4";
table = p.add_table_cell(table, col++, row, testcase.text,
optlist);
}
/* Place the table */
optlist = "header=1 fill={{area=rowodd "
+ "fillcolor={gray 0.9}}} stroke={{line=other}} ";
result = p.fit_table(table, llx, lly, urx, ury, optlist);
if (result.equals("_error")) {
throw new Exception("Couldn't place table: " + p.get_errmsg());
}
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();
}
}
}
}