| //======================================================================== |
| // |
| // 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, 2018, 2022, 2024 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, 2017 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2013 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp> |
| // Copyright (C) 2018 Adam Reichold <adam.reichold@t-online.de> |
| // Copyright (C) 2019, 2021 Oliver Sander <oliver.sander@tu-dresden.de> |
| // Copyright (C) 2019 Hartmut Goebel <h.goebel@crazy-compilers.com> |
| // Copyright (C) 2024 Fernando Herrera <fherrera@onirica.com> |
| // Copyright (C) 2024 Sebastian J. Bronner <waschtl@sbronner.com> |
| // |
| // 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 <cstdio> |
| #include <cstdlib> |
| #include <cstddef> |
| #include <cstring> |
| #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" |
| #include "Win32Console.h" |
| |
| static int firstPage = 1; |
| static int lastPage = 0; |
| static bool listImages = false; |
| static bool enablePNG = false; |
| static bool enableTiff = false; |
| static bool dumpJPEG = false; |
| static bool dumpJP2 = false; |
| static bool dumpJBIG2 = false; |
| static bool dumpCCITT = false; |
| static bool allFormats = false; |
| static bool pageNames = false; |
| static bool printFilenames = false; |
| static char ownerPassword[33] = "\001"; |
| static char userPassword[33] = "\001"; |
| static bool quiet = false; |
| static bool printVersion = false; |
| static bool printHelp = false; |
| |
| static const ArgDesc argDesc[] = { { "-f", argInt, &firstPage, 0, "first page to convert" }, |
| { "-l", argInt, &lastPage, 0, "last page to convert" }, |
| #ifdef ENABLE_LIBPNG |
| { "-png", argFlag, &enablePNG, 0, "change the default output format to PNG" }, |
| #endif |
| #ifdef 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" }, |
| { "-print-filenames", argFlag, &printFilenames, 0, "print image filenames to stdout" }, |
| { "-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" }, |
| {} }; |
| |
| int main(int argc, char *argv[]) |
| { |
| char *imgRoot = nullptr; |
| std::optional<GooString> ownerPW, userPW; |
| |
| Win32Console win32Console(&argc, &argv); |
| |
| // parse args |
| const bool 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) { |
| return 0; |
| } |
| return 99; |
| } |
| GooString *fileName = new GooString(argv[1]); |
| if (!listImages) { |
| imgRoot = argv[2]; |
| } |
| |
| // read config file |
| globalParams = std::make_unique<GlobalParams>(); |
| if (quiet) { |
| globalParams->setErrQuiet(quiet); |
| } |
| |
| // open PDF file |
| if (ownerPassword[0] != '\001') { |
| ownerPW = GooString(ownerPassword); |
| } |
| if (userPassword[0] != '\001') { |
| userPW = GooString(userPassword); |
| } |
| if (fileName->cmp("-") == 0) { |
| delete fileName; |
| fileName = new GooString("fd://0"); |
| } |
| |
| std::unique_ptr<PDFDoc> doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW); |
| delete fileName; |
| |
| if (!doc->isOk()) { |
| return 1; |
| } |
| |
| // check for copy permission |
| #ifdef ENFORCE_PERMISSIONS |
| if (!doc->okToCopy()) { |
| error(errNotAllowed, -1, "Copying of images from this document is not allowed."); |
| return 3; |
| } |
| #endif |
| |
| // get page range |
| if (firstPage < 1) { |
| firstPage = 1; |
| } |
| if (firstPage > doc->getNumPages()) { |
| error(errCommandLine, -1, "Wrong page range given: the first page ({0:d}) can not be larger then the number of pages in the document ({1:d}).", firstPage, doc->getNumPages()); |
| return 99; |
| } |
| 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); |
| return 99; |
| } |
| |
| // write image files |
| ImageOutputDev *imgOut = new ImageOutputDev(imgRoot, pageNames, listImages); |
| if (imgOut->isOk()) { |
| if (allFormats) { |
| imgOut->enablePNG(true); |
| imgOut->enableTiff(true); |
| imgOut->enableJpeg(true); |
| imgOut->enableJpeg2000(true); |
| imgOut->enableJBig2(true); |
| imgOut->enableCCITT(true); |
| } else { |
| imgOut->enablePNG(enablePNG); |
| imgOut->enableTiff(enableTiff); |
| imgOut->enableJpeg(dumpJPEG); |
| imgOut->enableJpeg2000(dumpJP2); |
| imgOut->enableJBig2(dumpJBIG2); |
| imgOut->enableCCITT(dumpCCITT); |
| } |
| imgOut->enablePrintFilenames(printFilenames); |
| doc->displayPages(imgOut, firstPage, lastPage, 72, 72, 0, true, false, false); |
| } |
| const int exitCode = imgOut->isOk() ? 0 : imgOut->getErrorCode(); |
| delete imgOut; |
| return exitCode; |
| } |
