/**
* Simple PDF glyph dumper based on PDFlib TET
*
* Required software: TET 5.2 (if you define the constants TET.CT_SEQ_START
* etc. the code can also be used with TET 5.0)
*
* Required data: PDF document
*
*/
package com.pdflib.cookbook.tet.text;
import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Formatter;
import java.util.Locale;
import com.pdflib.TET;
import com.pdflib.TETException;
public class glyphinfo {
/**
* Global option list
*/
static final String globaloptlist = "searchpath={{../input} {../resource/cmap}}";
/**
* Document-specific option list
*/
static final String docoptlist = "";
/**
* Page-specific option list
*/
static final String pageoptlist = "granularity=word";
private static void print_color_value(Formatter formatter, TET tet, int doc, int colorid) throws TETException {
String csname; /* color space name */
int i;
/*
* We handle only the fill color, but ignore the stroke color. The stroke color
* can be retrieved analogously with the keyword "stroke".
*/
tet.get_color_info(doc, colorid, "usage=fill");
if (tet.colorspaceid == -1 && tet.patternid == -1) {
formatter.format(" (not filled)");
return;
}
formatter.format(" (");
if (tet.patternid != -1) {
int patterntype = (int) tet.pcos_get_number(doc, "patterns[" + tet.patternid + "]/PatternType");
if (patterntype == 1) /* Tiling pattern */
{
int painttype = (int) tet.pcos_get_number(doc, "patterns[" + tet.patternid + "]/PaintType");
if (painttype == 1) {
formatter.format("colored Pattern)");
return;
} else if (painttype == 2) {
formatter.format("uncolored Pattern, base color: ");
/* FALLTHROUGH to colorspaceid output */
}
} else if (patterntype == 2) /* Shading pattern */
{
int shadingtype = (int) tet.pcos_get_number(doc, "patterns[" + tet.patternid + "]/Shading/ShadingType");
formatter.format("shading Pattern, ShadingType=%d)", shadingtype);
return;
}
}
csname = tet.pcos_get_string(doc, "colorspaces[" + tet.colorspaceid + "]/name");
formatter.format("%s", csname);
/* Emit more details depending on the colorspace type */
if (csname.equals("ICCBased")) {
int iccprofileid;
String profilename;
String profilecs;
String errormessage;
iccprofileid = (int) tet.pcos_get_number(doc, "colorspaces[" + tet.colorspaceid + "]/iccprofileid");
errormessage = tet.pcos_get_string(doc, "iccprofiles[" + iccprofileid + "]/errormessage");
/* Check whether the embedded profile is damaged */
if (errormessage.equals("")) {
formatter.format(" (%s)", errormessage);
} else {
profilename = tet.pcos_get_string(doc, "iccprofiles[" + iccprofileid + "]/profilename");
formatter.format(" '%s'", profilename);
profilecs = tet.pcos_get_string(doc, "iccprofiles[" + iccprofileid + "]/profilecs");
formatter.format(" '%s'", profilecs);
}
} else if (csname.equals("Separation")) {
String colorantname = tet.pcos_get_string(doc, "colorspaces[" + tet.colorspaceid + "]/colorantname");
formatter.format(" '%s'", colorantname);
} else if (csname.equals("DeviceN")) {
formatter.format(" ");
for (i = 0; i < tet.components.length; i++) {
String colorantname = tet.pcos_get_string(doc,
"colorspaces[" + tet.colorspaceid + "]/colorantnames[" + i + "]");
formatter.format("%s", colorantname);
if (i != tet.components.length - 1)
formatter.format("/");
}
} else if (csname.equals("Indexed")) {
int baseid = (int) tet.pcos_get_number(doc, "colorspaces[" + tet.colorspaceid + "]/baseid");
csname = tet.pcos_get_string(doc, "colorspaces[" + baseid + "]/name");
formatter.format(" %s", csname);
}
formatter.format(" ");
for (i = 0; i < tet.components.length; i++) {
formatter.format("%g", tet.components[i]);
if (i != tet.components.length - 1)
formatter.format("/");
}
formatter.format(")");
}
public static void main(String argv[]) {
TET tet = null;
try {
if (argv.length != 1) {
throw new Exception("usage: glyphinfo ");
}
/* print UTF-8 BOM */
byte[] bom = new byte[] { (byte) 0xEF, (byte) 0xBB, (byte) 0xBF };
System.out.write(bom);
Writer outfp = new BufferedWriter(new OutputStreamWriter(System.out, "UTF-8"));
Formatter formatter = new Formatter(outfp, Locale.US);
tet = new TET();
tet.set_option(globaloptlist);
int doc = tet.open_document(argv[0], docoptlist);
if (doc == -1) {
formatter.close();
throw new Exception(
"Error " + tet.get_errnum() + "in " + tet.get_apiname() + "(): " + tet.get_errmsg());
}
/* get number of pages in the document */
int n_pages = (int) tet.pcos_get_number(doc, "length:pages");
/* loop over pages in the document */
for (int pageno = 1; pageno <= n_pages; ++pageno) {
String text;
int page;
int previouscolor = -1;
page = tet.open_page(doc, pageno, pageoptlist);
if (page == -1) {
print_tet_error(tet, pageno);
continue; /* try next page */
}
/* Administrative information */
formatter.format("\n[ Document: '" + tet.pcos_get_string(doc, "filename") + "' ]\n");
formatter.format("[ Document options: '%s' ]\n", docoptlist);
formatter.format("[ Page options: '%s' ]\n", pageoptlist);
formatter.format("[ ----- Page %d ----- ]\n", pageno);
/* Retrieve all text fragments */
while ((text = tet.get_text(page)) != null) {
@SuppressWarnings("unused")
int ci;
/* print the retrieved text */
outfp.write("[" + text + "]\n");
/* Loop over all glyphs and print their details */
while ((ci = tet.get_char_info(page)) != -1) {
final String fontname;
/* Fetch the font name with pCOS (based on its ID) */
fontname = tet.pcos_get_string(doc, "fonts[" + tet.fontid + "]/name");
/* Print the Unicode value of the character */
formatter.format("U+%04X", tet.uv);
/* ...and its UTF-32 value */
formatter.format(" '%c'", tet.uv);
/* Print font name, size, and position */
formatter.format(" %s size=%.2f x=%.2f y=%.2f", fontname, tet.fontsize, tet.x, tet.y);
/* Print the color id */
formatter.format(" colorid=%d", tet.colorid);
/* Check wheater the text color changed */
if (tet.colorid != previouscolor) {
print_color_value(formatter, tet, doc, tet.colorid);
previouscolor = tet.colorid;
}
/* Examine the "type" member */
if (tet.type == TET.CT_SEQ_START)
formatter.format(" ligature_start");
else if (tet.type == TET.CT_SEQ_CONT)
formatter.format(" ligature_cont");
/* Separators are only inserted for granularity > word*/
else if (tet.type == TET.CT_INSERTED)
formatter.format(" inserted");
/* Examine the bit flags in the "attributes" member */
if (tet.attributes != TET.ATTR_NONE) {
if ((tet.attributes & TET.ATTR_SUB) != 0)
formatter.format("/sub");
if ((tet.attributes & TET.ATTR_SUP) != 0)
formatter.format("/sup");
if ((tet.attributes & TET.ATTR_DROPCAP) != 0)
formatter.format("/dropcap");
if ((tet.attributes & TET.ATTR_SHADOW) != 0)
formatter.format("/shadow");
if ((tet.attributes & TET.ATTR_DEHYPHENATION_PRE) != 0)
formatter.format("/dehyphenation_pre");
if ((tet.attributes & TET.ATTR_DEHYPHENATION_ARTIFACT) != 0)
formatter.format("/dehyphenation_artifact");
if ((tet.attributes & TET.ATTR_DEHYPHENATION_POST) != 0)
formatter.format("/dehyphenation_post");
if ((tet.attributes & TET.ATTR_ARTIFACT) != 0)
formatter.format("/Artifact");
}
formatter.format("\n");
}
formatter.format("\n");
}
if (tet.get_errnum() != 0) {
print_tet_error(tet, pageno);
}
tet.close_page(page);
}
tet.close_document(doc);
outfp.close();
} catch (TETException e) {
System.err.println("TET exception occurred in glyphinfo sample:");
System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() + ": " + e.get_errmsg());
} catch (Exception e) {
System.err.println(e);
} finally {
if (tet != null) {
tet.delete();
}
}
}
/**
* Report a TET error.
*
* @param tet The TET object
* @param pageno The page number on which the error occurred
*/
private static void print_tet_error(TET tet, int pageno) {
System.err.println("Error " + tet.get_errnum() + " in " + tet.get_apiname() + "() on page " + pageno + ": "
+ tet.get_errmsg());
}
}
