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//========================================================================
//
// pdfimages.cc
//
// Copyright 1998-2003 Glyph & Cog, LLC
//
// Modified for Debian by Hamish Moffatt, 22 May 2002.
//
//========================================================================
//========================================================================
//
// 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) 2007-2008, 2010 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
// Copyright (C) 2010 Jakob Voss <jakob.voss@gbv.de>
// Copyright (C) 2012, 2013 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2013 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
//
// 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 "parseargs.h"
#include "goo/GooString.h"
#include "goo/gmem.h"
#include "GlobalParams.h"
#include "Object.h"
#include "Stream.h"
#include "Array.h"
#include "Dict.h"
#include "XRef.h"
#include "Catalog.h"
#include "Page.h"
#include "PDFDoc.h"
#include "PDFDocFactory.h"
#include "ImageOutputDev.h"
#include "Error.h"
static int firstPage = 1;
static int lastPage = 0;
static GBool listImages = gFalse;
static GBool enablePNG = gFalse;
static GBool enableTiff = gFalse;
static GBool dumpJPEG = gFalse;
static GBool dumpJP2 = gFalse;
static GBool dumpJBIG2 = gFalse;
static GBool dumpCCITT = gFalse;
static GBool allFormats = gFalse;
static GBool pageNames = gFalse;
static char ownerPassword[33] = "\001";
static char userPassword[33] = "\001";
static GBool quiet = gFalse;
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;
static const ArgDesc argDesc[] = {
{"-f", argInt, &firstPage, 0,
"first page to convert"},
{"-l", argInt, &lastPage, 0,
"last page to convert"},
#if ENABLE_LIBPNG
{"-png", argFlag, &enablePNG, 0,
"change the default output format to PNG"},
#endif
#if ENABLE_LIBTIFF
{"-tiff", argFlag, &enableTiff, 0,
"change the default output format to TIFF"},
#endif
{"-j", argFlag, &dumpJPEG, 0,
"write JPEG images as JPEG files"},
{"-jp2", argFlag, &dumpJP2, 0,
"write JPEG2000 images as JP2 files"},
{"-jbig2", argFlag, &dumpJBIG2, 0,
"write JBIG2 images as JBIG2 files"},
{"-ccitt", argFlag, &dumpCCITT, 0,
"write CCITT images as CCITT files"},
{"-all", argFlag, &allFormats, 0,
"equivalent to -png -tiff -j -jp2 -jbig2 -ccitt"},
{"-list", argFlag, &listImages, 0,
"print list of images instead of saving"},
{"-opw", argString, ownerPassword, sizeof(ownerPassword),
"owner password (for encrypted files)"},
{"-upw", argString, userPassword, sizeof(userPassword),
"user password (for encrypted files)"},
{"-p", argFlag, &pageNames, 0,
"include page numbers in output file names"},
{"-q", argFlag, &quiet, 0,
"don't print any messages or errors"},
{"-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}
};
int main(int argc, char *argv[]) {
PDFDoc *doc;
GooString *fileName;
char *imgRoot = NULL;
GooString *ownerPW, *userPW;
ImageOutputDev *imgOut;
GBool ok;
int exitCode;
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || (listImages && argc != 2) || (!listImages && argc != 3) || printVersion || printHelp) {
fprintf(stderr, "pdfimages version %s\n", PACKAGE_VERSION);
fprintf(stderr, "%s\n", popplerCopyright);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdfimages", "<PDF-file> <image-root>", argDesc);
}
if (printVersion || printHelp)
exitCode = 0;
goto err0;
}
fileName = new GooString(argv[1]);
if (!listImages)
imgRoot = argv[2];
// read config file
globalParams = new GlobalParams();
if (quiet) {
globalParams->setErrQuiet(quiet);
}
// 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) {
delete fileName;
fileName = new GooString("fd://0");
}
doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW);
delete fileName;
if (userPW) {
delete userPW;
}
if (ownerPW) {
delete ownerPW;
}
if (!doc->isOk()) {
exitCode = 1;
goto err1;
}
// check for copy permission
#ifdef ENFORCE_PERMISSIONS
if (!doc->okToCopy()) {
error(errNotAllowed, -1, "Copying of images from this document is not allowed.");
exitCode = 3;
goto err1;
}
#endif
// get page range
if (firstPage < 1)
firstPage = 1;
if (lastPage < 1 || lastPage > doc->getNumPages())
lastPage = doc->getNumPages();
if (lastPage < firstPage) {
error(errCommandLine, -1,
"Wrong page range given: the first page ({0:d}) can not be after the last page ({1:d}).",
firstPage, lastPage);
goto err1;
}
// write image files
imgOut = new ImageOutputDev(imgRoot, pageNames, listImages);
if (imgOut->isOk()) {
if (allFormats) {
imgOut->enablePNG(gTrue);
imgOut->enableTiff(gTrue);
imgOut->enableJpeg(gTrue);
imgOut->enableJpeg2000(gTrue);
imgOut->enableJBig2(gTrue);
imgOut->enableCCITT(gTrue);
} else {
imgOut->enablePNG(enablePNG);
imgOut->enableTiff(enableTiff);
imgOut->enableJpeg(dumpJPEG);
imgOut->enableJpeg2000(dumpJP2);
imgOut->enableJBig2(dumpJBIG2);
imgOut->enableCCITT(dumpCCITT);
}
doc->displayPages(imgOut, firstPage, lastPage, 72, 72, 0,
gTrue, gFalse, gFalse);
}
delete imgOut;
exitCode = 0;
// clean up
err1:
delete doc;
delete globalParams;
err0:
// check for memory leaks
Object::memCheck(stderr);
gMemReport(stderr);
return exitCode;
}
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