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//========================================================================
//
// pdffonts.cc
//
// Copyright 2001-2007 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2006 Dominic Lachowicz <cinamod@hotmail.com>
// Copyright (C) 2007-2008 Albert Astals Cid <aacid@kde.org>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include "config.h"
#include <poppler-config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <math.h>
#include "parseargs.h"
#include "goo/GooString.h"
#include "goo/gmem.h"
#include "GlobalParams.h"
#include "Error.h"
#include "Object.h"
#include "Dict.h"
#include "GfxFont.h"
#include "Annot.h"
#include "PDFDoc.h"
static char *fontTypeNames[] = {
"unknown",
"Type 1",
"Type 1C",
"Type 1C (OT)",
"Type 3",
"TrueType",
"TrueType (OT)",
"CID Type 0",
"CID Type 0C",
"CID Type 0C (OT)",
"CID TrueType",
"CID TrueType (OT)"
};
static void scanFonts(Dict *resDict, PDFDoc *doc);
static void scanFont(GfxFont *font, PDFDoc *doc);
static int firstPage = 1;
static int lastPage = 0;
static char ownerPassword[33] = "\001";
static char userPassword[33] = "\001";
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;
static const ArgDesc argDesc[] = {
{"-f", argInt, &firstPage, 0,
"first page to examine"},
{"-l", argInt, &lastPage, 0,
"last page to examine"},
{"-opw", argString, ownerPassword, sizeof(ownerPassword),
"owner password (for encrypted files)"},
{"-upw", argString, userPassword, sizeof(userPassword),
"user password (for encrypted files)"},
{"-v", argFlag, &printVersion, 0,
"print copyright and version info"},
{"-h", argFlag, &printHelp, 0,
"print usage information"},
{"-help", argFlag, &printHelp, 0,
"print usage information"},
{"--help", argFlag, &printHelp, 0,
"print usage information"},
{"-?", argFlag, &printHelp, 0,
"print usage information"},
{NULL}
};
static Ref *fonts;
static int fontsLen;
static int fontsSize;
int main(int argc, char *argv[]) {
PDFDoc *doc;
GooString *fileName;
GooString *ownerPW, *userPW;
GBool ok;
Page *page;
Dict *resDict;
Annots *annots;
Object obj1, obj2;
int pg, i;
int exitCode;
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || argc != 2 || printVersion || printHelp) {
fprintf(stderr, "pdffonts version %s\n", PACKAGE_VERSION);
fprintf(stderr, "%s\n", popplerCopyright);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdffonts", "<PDF-file>", argDesc);
}
goto err0;
}
fileName = new GooString(argv[1]);
// read config file
globalParams = new GlobalParams();
// open PDF file
if (ownerPassword[0] != '\001') {
ownerPW = new GooString(ownerPassword);
} else {
ownerPW = NULL;
}
if (userPassword[0] != '\001') {
userPW = new GooString(userPassword);
} else {
userPW = NULL;
}
if(fileName->cmp("-") != 0) {
doc = new PDFDoc(fileName, ownerPW, userPW);
} else {
Object obj;
obj.initNull();
doc = new PDFDoc(new FileStream(stdin, 0, gFalse, 0, &obj), ownerPW, userPW);
}
if (userPW) {
delete userPW;
}
if (ownerPW) {
delete ownerPW;
}
if (!doc->isOk()) {
exitCode = 1;
goto err1;
}
// get page range
if (firstPage < 1) {
firstPage = 1;
}
if (lastPage < 1 || lastPage > doc->getNumPages()) {
lastPage = doc->getNumPages();
}
// scan the fonts
printf("name type emb sub uni object ID\n");
printf("------------------------------------ ----------------- --- --- --- ---------\n");
fonts = NULL;
fontsLen = fontsSize = 0;
for (pg = firstPage; pg <= lastPage; ++pg) {
page = doc->getCatalog()->getPage(pg);
if ((resDict = page->getResourceDict())) {
scanFonts(resDict, doc);
}
annots = new Annots(doc->getXRef(),
doc->getCatalog(),
page->getAnnots(&obj1));
obj1.free();
for (i = 0; i < annots->getNumAnnots(); ++i) {
if (annots->getAnnot(i)->getAppearance(&obj1)->isStream()) {
obj1.streamGetDict()->lookup("Resources", &obj2);
if (obj2.isDict()) {
scanFonts(obj2.getDict(), doc);
}
obj2.free();
}
obj1.free();
}
delete annots;
}
exitCode = 0;
// clean up
gfree(fonts);
err1:
delete doc;
delete globalParams;
err0:
// check for memory leaks
Object::memCheck(stderr);
gMemReport(stderr);
return exitCode;
}
static void scanFonts(Dict *resDict, PDFDoc *doc) {
Object obj1, obj2, xObjDict, xObj, resObj;
Ref r;
GfxFontDict *gfxFontDict;
GfxFont *font;
int i;
// scan the fonts in this resource dictionary
gfxFontDict = NULL;
resDict->lookupNF("Font", &obj1);
if (obj1.isRef()) {
obj1.fetch(doc->getXRef(), &obj2);
if (obj2.isDict()) {
r = obj1.getRef();
gfxFontDict = new GfxFontDict(doc->getXRef(), &r, obj2.getDict());
}
obj2.free();
} else if (obj1.isDict()) {
gfxFontDict = new GfxFontDict(doc->getXRef(), NULL, obj1.getDict());
}
if (gfxFontDict) {
for (i = 0; i < gfxFontDict->getNumFonts(); ++i) {
if ((font = gfxFontDict->getFont(i))) {
scanFont(font, doc);
}
}
delete gfxFontDict;
}
obj1.free();
// recursively scan any resource dictionaries in objects in this
// resource dictionary
resDict->lookup("XObject", &xObjDict);
if (xObjDict.isDict()) {
for (i = 0; i < xObjDict.dictGetLength(); ++i) {
xObjDict.dictGetVal(i, &xObj);
if (xObj.isStream()) {
xObj.streamGetDict()->lookup("Resources", &resObj);
if (resObj.isDict()) {
scanFonts(resObj.getDict(), doc);
}
resObj.free();
}
xObj.free();
}
}
xObjDict.free();
}
static void scanFont(GfxFont *font, PDFDoc *doc) {
Ref fontRef, embRef;
Object fontObj, toUnicodeObj;
GooString *name;
GBool emb, subset, hasToUnicode;
int i;
fontRef = *font->getID();
// check for an already-seen font
for (i = 0; i < fontsLen; ++i) {
if (fontRef.num == fonts[i].num && fontRef.gen == fonts[i].gen) {
return;
}
}
// font name
name = font->getOrigName();
// check for an embedded font
if (font->getType() == fontType3) {
emb = gTrue;
} else {
emb = font->getEmbeddedFontID(&embRef);
}
// look for a ToUnicode map
hasToUnicode = gFalse;
if (doc->getXRef()->fetch(fontRef.num, fontRef.gen, &fontObj)->isDict()) {
hasToUnicode = fontObj.dictLookup("ToUnicode", &toUnicodeObj)->isStream();
toUnicodeObj.free();
}
fontObj.free();
// check for a font subset name: capital letters followed by a '+'
// sign
subset = gFalse;
if (name) {
for (i = 0; i < name->getLength(); ++i) {
if (name->getChar(i) < 'A' || name->getChar(i) > 'Z') {
break;
}
}
subset = i > 0 && i < name->getLength() && name->getChar(i) == '+';
}
// print the font info
printf("%-36s %-17s %-3s %-3s %-3s",
name ? name->getCString() : "[none]",
fontTypeNames[font->getType()],
emb ? "yes" : "no",
subset ? "yes" : "no",
hasToUnicode ? "yes" : "no");
if (fontRef.gen >= 100000) {
printf(" [none]\n");
} else {
printf(" %6d %2d\n", fontRef.num, fontRef.gen);
}
// add this font to the list
if (fontsLen == fontsSize) {
fontsSize += 32;
fonts = (Ref *)grealloc(fonts, fontsSize * sizeof(Ref));
}
fonts[fontsLen++] = *font->getID();
}
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