/* * Glyph replacement: * Show the effects of glyph substitution in case of glyphs missing in the font * * Load the font and specify a replacement character to be used to output * missing glyphs. * Demonstrate various notations to output the Euro sign as U+20AC which is * available in the font. * Show various other combinations of available and unavailable glyphs. * 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 glyph_replacement { public static void main (String argv[]) { /* This is where the data files are. Adjust as necessary. */ String searchpath = "../input"; String outfile = "glyph_replacement.pdf"; String title = "Glyph Replacement"; pdflib p = null; int font, x=30, x2=180, x3=360, x4=520, y=550, yoff=30; String inp, repl, norepl; int exitcode = 0; 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); /* Load the font "NotoSerif-Regular" with "unicode" encoding. * "replacementchar=?" defines a question mark to be used for glyph * substitution in case of a missing glyph. */ font = p.load_font("NotoSerif-Regular", "unicode", "replacementchar=?"); if (font == -1) throw new Exception("Error: " + p.get_errmsg()); /* Start page */ p.begin_page_ext(0, 0, "width=a4.height height=a4.width"); /* Define three option lists for fit_textline(). * The "inp" option list is just for descriptive text. * The "repl" option list enables the interpretation of character * references using "charref" and uses glyph substitution which is * enabled by default ("glyphcheck=replace"). * The second option list enables the interpretation of character * references using "charref" but explicitly disables glyph * substitution. Alternatively, glyph substitution can be disabled * with p.set_option("glyphcheck=none"); */ inp = "font=" + font + " fontsize=14"; repl = "charref font=" + font + " fontsize=22"; norepl = "charref glyphcheck=none font=" + font + " fontsize=22"; /* Output some descriptive header lines for the input, output, and * remark column */ p.fit_textline("Glyphs in the NotoSerif-Regular font", x, y, "font=" + font + " fontsize=16"); String opts = " underline underlinewidth=1"; p.fit_textline("Input", x, y-=2*yoff, inp + opts); p.fit_textline("Output", x2, y, inp + opts); p.fit_textline("Remark", x4, y, inp + opts); p.fit_textline("glyphcheck=replace", x2, y-=yoff, inp + opts); p.fit_textline("glyphcheck=none", x3, y, inp + opts); /* ------------------------------------------------------------------ * Use various notations to output the Euro symbol as U+20AC which is * available in the font. * ------------------------------------------------------------------ */ /* Java Unicode notation */ p.fit_textline("U+20AC literal", x, y-=yoff, inp); p.fit_textline("\u20AC", x2, y, repl); p.fit_textline("\u20AC", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* Character reference in HTML style with hexadecimal number */ p.fit_textline("€", x, y-=yoff, inp); p.fit_textline("€", x2, y, repl); p.fit_textline("€", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* Character reference in HTML style with decimal number */ p.fit_textline("€", x, y-=yoff, inp); p.fit_textline("€", x2, y, repl); p.fit_textline("€", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* Character reference in HTML style with entity name */ p.fit_textline("€", x, y-=yoff, inp); p.fit_textline("€", x2, y, repl); p.fit_textline("€", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* Character reference using a glyph name provided by the font or the * Adobe Glyph List (AGL) */ p.fit_textline("&.Euro;", x, y-=yoff, inp); p.fit_textline("&.Euro;", x2, y, repl); p.fit_textline("&.Euro;", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* Character reference using a glyph name provided by the Adobe Glyph * list (AGL) */ p.fit_textline("&.uni20AC;", x, y-=yoff, inp); p.fit_textline("&.uni20AC;", x2, y, repl); p.fit_textline("&.uni20AC;", x3, y, norepl); p.fit_textline("Euro glyph available in the font", x4, y, inp); /* --------------------------------------------------------------------- * Use various notations to output the ligature "ffi" which is available * in the font * --------------------------------------------------------------------- */ /* Java Unicode notation */ p.fit_textline("U+FB03 literal", x, y-=yoff, inp); p.fit_textline("\uFB03", x2, y, repl); p.fit_textline("\uFB03", x3, y, norepl); p.fit_textline("ffi ligature available in the font", x4, y, inp); /* Character reference using a glyph name provided by the font or the * Adobe Glyph List (AGL) */ p.fit_textline("&.ffi;", x, y-=yoff, inp); p.fit_textline("&.ffi;", x2, y, repl); p.fit_textline("&.ffi;", x3, y, norepl); p.fit_textline("ffi ligature available in the font", x4, y, inp); /* -------------------------------------------------------------------- * Output the glyph for a glyph which is not available in the font * (this problem can be addressed with fallback fonts) * -------------------------------------------------------------------- */ p.fit_textline("U+05D0 literal", x, y-=yoff, inp); p.fit_textline("\u05D0", x2, y, repl); p.fit_textline("\u05D0", x3, y, norepl); p.fit_textline("Hebrew glyph Aleph not available in the font", x4, y, inp); /* Finish page */ p.end_page_ext(""); p.end_document(""); } catch (PDFlibException e) { System.err.println("PDFlib exception occurred:"); System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() + ": " + e.get_errmsg()); exitcode = 1; } catch (Exception e) { System.err.println(e); exitcode = 1; } finally { if (p != null) { p.delete(); } System.exit(exitcode); } } }