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//========================================================================
//
// pdftops.cc
//
// Copyright 1996-2003 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) 2006 Kristian Høgsberg <krh@redhat.com>
// Copyright (C) 2007-2008, 2010, 2015, 2017, 2018, 2020-2022 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2009 Till Kamppeter <till.kamppeter@gmail.com>
// Copyright (C) 2009 Sanjoy Mahajan <sanjoy@mit.edu>
// Copyright (C) 2009, 2011, 2012, 2014-2016, 2020 William Bader <williambader@hotmail.com>
// Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
// Copyright (C) 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2013 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
// Copyright (C) 2014, 2017 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2018 Adam Reichold <adam.reichold@t-online.de>
// Copyright (C) 2019, 2021, 2023 Oliver Sander <oliver.sander@tu-dresden.de>
// Copyright (C) 2020 Philipp Knechtges <philipp-dev@knechtges.com>
// Copyright (C) 2021 Hubert Figuiere <hub@figuiere.net>
//
// 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 "PSOutputDev.h"
#include "Error.h"
#include "Win32Console.h"
#include "sanitychecks.h"
#ifdef USE_CMS
# include <lcms2.h>
#endif
static bool setPSPaperSize(char *size, int &psPaperWidth, int &psPaperHeight)
{
if (!strcmp(size, "match")) {
psPaperWidth = psPaperHeight = -1;
} else if (!strcmp(size, "letter")) {
psPaperWidth = 612;
psPaperHeight = 792;
} else if (!strcmp(size, "legal")) {
psPaperWidth = 612;
psPaperHeight = 1008;
} else if (!strcmp(size, "A4")) {
psPaperWidth = 595;
psPaperHeight = 842;
} else if (!strcmp(size, "A3")) {
psPaperWidth = 842;
psPaperHeight = 1190;
} else {
return false;
}
return true;
}
static int firstPage = 1;
static int lastPage = 0;
static bool level1 = false;
static bool level1Sep = false;
static bool level2 = false;
static bool level2Sep = false;
static bool level3 = false;
static bool level3Sep = false;
static bool origPageSizes = false;
static bool doEPS = false;
static bool doForm = false;
#ifdef OPI_SUPPORT
static bool doOPI = false;
#endif
static int splashResolution = 0;
static bool psBinary = false;
static bool noEmbedT1Fonts = false;
static bool noEmbedTTFonts = false;
static bool noEmbedCIDPSFonts = false;
static bool noEmbedCIDTTFonts = false;
static bool fontPassthrough = false;
static bool optimizeColorSpace = false;
static bool passLevel1CustomColor = false;
static char rasterAntialiasStr[16] = "";
static char forceRasterizeStr[16] = "";
static bool preload = false;
static char paperSize[15] = "";
static int paperWidth = -1;
static int paperHeight = -1;
static bool noCrop = false;
static bool expand = false;
static bool noShrink = false;
static bool noCenter = false;
static bool duplex = false;
static char ownerPassword[33] = "\001";
static char userPassword[33] = "\001";
static bool quiet = false;
static bool printVersion = false;
static bool printHelp = false;
static bool overprint = false;
static GooString processcolorformatname;
static SplashColorMode processcolorformat;
static bool processcolorformatspecified = false;
#ifdef USE_CMS
static GooString processcolorprofilename;
static GfxLCMSProfilePtr processcolorprofile;
static GooString defaultgrayprofilename;
static GfxLCMSProfilePtr defaultgrayprofile;
static GooString defaultrgbprofilename;
static GfxLCMSProfilePtr defaultrgbprofile;
static GooString defaultcmykprofilename;
static GfxLCMSProfilePtr defaultcmykprofile;
#endif
static const ArgDesc argDesc[] = { { "-f", argInt, &firstPage, 0, "first page to print" },
{ "-l", argInt, &lastPage, 0, "last page to print" },
{ "-level1", argFlag, &level1, 0, "generate Level 1 PostScript" },
{ "-level1sep", argFlag, &level1Sep, 0, "generate Level 1 separable PostScript" },
{ "-level2", argFlag, &level2, 0, "generate Level 2 PostScript" },
{ "-level2sep", argFlag, &level2Sep, 0, "generate Level 2 separable PostScript" },
{ "-level3", argFlag, &level3, 0, "generate Level 3 PostScript" },
{ "-level3sep", argFlag, &level3Sep, 0, "generate Level 3 separable PostScript" },
{ "-origpagesizes", argFlag, &origPageSizes, 0, "conserve original page sizes" },
{ "-eps", argFlag, &doEPS, 0, "generate Encapsulated PostScript (EPS)" },
{ "-form", argFlag, &doForm, 0, "generate a PostScript form" },
#ifdef OPI_SUPPORT
{ "-opi", argFlag, &doOPI, 0, "generate OPI comments" },
#endif
{ "-r", argInt, &splashResolution, 0, "resolution for rasterization, in DPI (default is 300)" },
{ "-binary", argFlag, &psBinary, 0, "write binary data in Level 1 PostScript" },
{ "-noembt1", argFlag, &noEmbedT1Fonts, 0, "don't embed Type 1 fonts" },
{ "-noembtt", argFlag, &noEmbedTTFonts, 0, "don't embed TrueType fonts" },
{ "-noembcidps", argFlag, &noEmbedCIDPSFonts, 0, "don't embed CID PostScript fonts" },
{ "-noembcidtt", argFlag, &noEmbedCIDTTFonts, 0, "don't embed CID TrueType fonts" },
{ "-passfonts", argFlag, &fontPassthrough, 0, "don't substitute missing fonts" },
{ "-aaRaster", argString, rasterAntialiasStr, sizeof(rasterAntialiasStr), "enable anti-aliasing on rasterization: yes, no" },
{ "-rasterize", argString, forceRasterizeStr, sizeof(forceRasterizeStr), "control rasterization: always, never, whenneeded" },
{ "-processcolorformat", argGooString, &processcolorformatname, 0, "color format that is used during rasterization and transparency reduction: MONO8, RGB8, CMYK8" },
#ifdef USE_CMS
{ "-processcolorprofile", argGooString, &processcolorprofilename, 0, "ICC color profile to use as the process color profile during rasterization and transparency reduction" },
{ "-defaultgrayprofile", argGooString, &defaultgrayprofilename, 0, "ICC color profile to use as the DefaultGray color space" },
{ "-defaultrgbprofile", argGooString, &defaultrgbprofilename, 0, "ICC color profile to use as the DefaultRGB color space" },
{ "-defaultcmykprofile", argGooString, &defaultcmykprofilename, 0, "ICC color profile to use as the DefaultCMYK color space" },
#endif
{ "-optimizecolorspace", argFlag, &optimizeColorSpace, 0, "convert gray RGB images to gray color space" },
{ "-passlevel1customcolor", argFlag, &passLevel1CustomColor, 0, "pass custom color in level1sep" },
{ "-preload", argFlag, &preload, 0, "preload images and forms" },
{ "-paper", argString, paperSize, sizeof(paperSize), "paper size (letter, legal, A4, A3, match)" },
{ "-paperw", argInt, &paperWidth, 0, "paper width, in points" },
{ "-paperh", argInt, &paperHeight, 0, "paper height, in points" },
{ "-nocrop", argFlag, &noCrop, 0, "don't crop pages to CropBox" },
{ "-expand", argFlag, &expand, 0, "expand pages smaller than the paper size" },
{ "-noshrink", argFlag, &noShrink, 0, "don't shrink pages larger than the paper size" },
{ "-nocenter", argFlag, &noCenter, 0, "don't center pages smaller than the paper size" },
{ "-duplex", argFlag, &duplex, 0, "enable duplex printing" },
{ "-opw", argString, ownerPassword, sizeof(ownerPassword), "owner password (for encrypted files)" },
{ "-upw", argString, userPassword, sizeof(userPassword), "user password (for encrypted files)" },
{ "-overprint", argFlag, &overprint, 0, "enable overprint emulation during rasterization" },
{ "-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[])
{
std::unique_ptr<PDFDoc> doc;
GooString *fileName;
std::string psFileName;
PSLevel level;
PSOutMode mode;
std::optional<GooString> ownerPW, userPW;
PSOutputDev *psOut;
bool ok;
int exitCode;
bool rasterAntialias = false;
std::vector<int> pages;
#ifdef USE_CMS
cmsColorSpaceSignature profilecolorspace;
#endif
Win32Console win32Console(&argc, &argv);
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || argc < 2 || argc > 3 || printVersion || printHelp) {
fprintf(stderr, "pdftops version %s\n", PACKAGE_VERSION);
fprintf(stderr, "%s\n", popplerCopyright);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdftops", "<PDF-file> [<PS-file>]", argDesc);
}
if (printVersion || printHelp) {
exit(0);
} else {
exit(1);
}
}
if ((level1 ? 1 : 0) + (level1Sep ? 1 : 0) + (level2 ? 1 : 0) + (level2Sep ? 1 : 0) + (level3 ? 1 : 0) + (level3Sep ? 1 : 0) > 1) {
fprintf(stderr, "Error: use only one of the 'level' options.\n");
exit(1);
}
if ((doEPS ? 1 : 0) + (doForm ? 1 : 0) > 1) {
fprintf(stderr, "Error: use only one of -eps, and -form\n");
exit(1);
}
if (level1) {
level = psLevel1;
} else if (level1Sep) {
level = psLevel1Sep;
} else if (level2Sep) {
level = psLevel2Sep;
} else if (level3) {
level = psLevel3;
} else if (level3Sep) {
level = psLevel3Sep;
} else {
level = psLevel2;
}
if (doForm && level < psLevel2) {
fprintf(stderr, "Error: forms are only available with Level 2 output.\n");
exit(1);
}
mode = doEPS ? psModeEPS : doForm ? psModeForm : psModePS;
fileName = new GooString(argv[1]);
// read config file
globalParams = std::make_unique<GlobalParams>();
if (origPageSizes) {
paperWidth = paperHeight = -1;
}
if (paperSize[0]) {
if (origPageSizes) {
fprintf(stderr, "Error: -origpagesizes and -paper may not be used together.\n");
exit(1);
}
if (!setPSPaperSize(paperSize, paperWidth, paperHeight)) {
fprintf(stderr, "Invalid paper size\n");
delete fileName;
goto err0;
}
}
if (quiet) {
globalParams->setErrQuiet(quiet);
}
if (!processcolorformatname.toStr().empty()) {
if (processcolorformatname.toStr() == "MONO8") {
processcolorformat = splashModeMono8;
processcolorformatspecified = true;
} else if (processcolorformatname.toStr() == "CMYK8") {
processcolorformat = splashModeCMYK8;
processcolorformatspecified = true;
} else if (processcolorformatname.toStr() == "RGB8") {
processcolorformat = splashModeRGB8;
processcolorformatspecified = true;
} else {
fprintf(stderr, "Error: Unknown process color format \"%s\".\n", processcolorformatname.c_str());
goto err1;
}
}
#ifdef USE_CMS
if (!processcolorprofilename.toStr().empty()) {
processcolorprofile = make_GfxLCMSProfilePtr(cmsOpenProfileFromFile(processcolorprofilename.c_str(), "r"));
if (!processcolorprofile) {
fprintf(stderr, "Error: Could not open the ICC profile \"%s\".\n", processcolorprofilename.c_str());
goto err1;
}
if (!cmsIsIntentSupported(processcolorprofile.get(), INTENT_RELATIVE_COLORIMETRIC, LCMS_USED_AS_OUTPUT) && !cmsIsIntentSupported(processcolorprofile.get(), INTENT_ABSOLUTE_COLORIMETRIC, LCMS_USED_AS_OUTPUT)
&& !cmsIsIntentSupported(processcolorprofile.get(), INTENT_SATURATION, LCMS_USED_AS_OUTPUT) && !cmsIsIntentSupported(processcolorprofile.get(), INTENT_PERCEPTUAL, LCMS_USED_AS_OUTPUT)) {
fprintf(stderr, "Error: ICC profile \"%s\" is not an output profile.\n", processcolorprofilename.c_str());
goto err1;
}
profilecolorspace = cmsGetColorSpace(processcolorprofile.get());
if (profilecolorspace == cmsSigCmykData) {
if (!processcolorformatspecified) {
processcolorformat = splashModeCMYK8;
processcolorformatspecified = true;
} else if (processcolorformat != splashModeCMYK8) {
fprintf(stderr, "Error: Supplied ICC profile \"%s\" is a CMYK profile, but process color format is not CMYK8.\n", processcolorprofilename.c_str());
goto err1;
}
} else if (profilecolorspace == cmsSigGrayData) {
if (!processcolorformatspecified) {
processcolorformat = splashModeMono8;
processcolorformatspecified = true;
} else if (processcolorformat != splashModeMono8) {
fprintf(stderr, "Error: Supplied ICC profile \"%s\" is a monochrome profile, but process color format is not monochrome.\n", processcolorprofilename.c_str());
goto err1;
}
} else if (profilecolorspace == cmsSigRgbData) {
if (!processcolorformatspecified) {
processcolorformat = splashModeRGB8;
processcolorformatspecified = true;
} else if (processcolorformat != splashModeRGB8) {
fprintf(stderr, "Error: Supplied ICC profile \"%s\" is a RGB profile, but process color format is not RGB.\n", processcolorprofilename.c_str());
goto err1;
}
}
}
#endif
if (processcolorformatspecified) {
if (level1 && processcolorformat != splashModeMono8) {
fprintf(stderr, "Error: Setting -level1 requires -processcolorformat MONO8");
goto err1;
} else if ((level1Sep || level2Sep || level3Sep || overprint) && processcolorformat != splashModeCMYK8) {
fprintf(stderr, "Error: Setting -level1sep/-level2sep/-level3sep/-overprint requires -processcolorformat CMYK8");
goto err1;
}
}
#ifdef USE_CMS
if (!defaultgrayprofilename.toStr().empty()) {
defaultgrayprofile = make_GfxLCMSProfilePtr(cmsOpenProfileFromFile(defaultgrayprofilename.c_str(), "r"));
if (!checkICCProfile(defaultgrayprofile, defaultgrayprofilename.c_str(), LCMS_USED_AS_INPUT, cmsSigGrayData)) {
goto err1;
}
}
if (!defaultrgbprofilename.toStr().empty()) {
defaultrgbprofile = make_GfxLCMSProfilePtr(cmsOpenProfileFromFile(defaultrgbprofilename.c_str(), "r"));
if (!checkICCProfile(defaultrgbprofile, defaultrgbprofilename.c_str(), LCMS_USED_AS_INPUT, cmsSigRgbData)) {
goto err1;
}
}
if (!defaultcmykprofilename.toStr().empty()) {
defaultcmykprofile = make_GfxLCMSProfilePtr(cmsOpenProfileFromFile(defaultcmykprofilename.c_str(), "r"));
if (!checkICCProfile(defaultcmykprofile, defaultcmykprofilename.c_str(), LCMS_USED_AS_INPUT, cmsSigCmykData)) {
goto err1;
}
}
#endif
// 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");
}
doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW);
if (!doc->isOk()) {
exitCode = 1;
goto err1;
}
#ifdef ENFORCE_PERMISSIONS
// check for print permission
if (!doc->okToPrint()) {
error(errNotAllowed, -1, "Printing this document is not allowed.");
exitCode = 3;
goto err1;
}
#endif
// construct PostScript file name
if (argc == 3) {
psFileName = std::string(argv[2]);
} else if (fileName->cmp("fd://0") == 0) {
error(errCommandLine, -1, "You have to provide an output filename when reading from stdin.");
goto err1;
} else {
const char *p = fileName->c_str() + fileName->getLength() - 4;
if (!strcmp(p, ".pdf") || !strcmp(p, ".PDF")) {
psFileName = std::string(fileName->c_str(), fileName->getLength() - 4);
} else {
psFileName = fileName->toStr();
}
psFileName += (doEPS ? ".eps" : ".ps");
}
// 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;
}
// check for multi-page EPS or form
if ((doEPS || doForm) && firstPage != lastPage) {
error(errCommandLine, -1, "EPS and form files can only contain one page.");
goto err1;
}
for (int i = firstPage; i <= lastPage; ++i) {
pages.push_back(i);
}
// write PostScript file
psOut = new PSOutputDev(psFileName.c_str(), doc.get(), nullptr, pages, mode, paperWidth, paperHeight, noCrop, duplex, /*imgLLXA*/ 0, /*imgLLYA*/ 0,
/*imgURXA*/ 0, /*imgURYA*/ 0, psRasterizeWhenNeeded, /*manualCtrlA*/ false, /*customCodeCbkA*/ nullptr, /*customCodeCbkDataA*/ nullptr, level);
if (noCenter) {
psOut->setPSCenter(false);
}
if (expand) {
psOut->setPSExpandSmaller(true);
}
if (noShrink) {
psOut->setPSShrinkLarger(false);
}
if (overprint) {
psOut->setOverprintPreview(true);
}
if (rasterAntialiasStr[0]) {
if (!GlobalParams::parseYesNo2(rasterAntialiasStr, &rasterAntialias)) {
fprintf(stderr, "Bad '-aaRaster' value on command line\n");
}
}
if (forceRasterizeStr[0]) {
PSForceRasterize forceRasterize = psRasterizeWhenNeeded;
if (strcmp(forceRasterizeStr, "whenneeded") == 0) {
forceRasterize = psRasterizeWhenNeeded;
} else if (strcmp(forceRasterizeStr, "always") == 0) {
forceRasterize = psAlwaysRasterize;
} else if (strcmp(forceRasterizeStr, "never") == 0) {
forceRasterize = psNeverRasterize;
} else {
fprintf(stderr, "Bad '-rasterize' value on command line\n");
}
psOut->setForceRasterize(forceRasterize);
}
if (splashResolution > 0) {
psOut->setRasterResolution(splashResolution);
}
if (processcolorformatspecified) {
psOut->setProcessColorFormat(processcolorformat);
}
#ifdef USE_CMS
psOut->setDisplayProfile(processcolorprofile);
psOut->setDefaultGrayProfile(defaultgrayprofile);
psOut->setDefaultRGBProfile(defaultrgbprofile);
psOut->setDefaultCMYKProfile(defaultcmykprofile);
#endif
psOut->setEmbedType1(!noEmbedT1Fonts);
psOut->setEmbedTrueType(!noEmbedTTFonts);
psOut->setEmbedCIDPostScript(!noEmbedCIDPSFonts);
psOut->setEmbedCIDTrueType(!noEmbedCIDTTFonts);
psOut->setFontPassthrough(fontPassthrough);
psOut->setPreloadImagesForms(preload);
psOut->setOptimizeColorSpace(optimizeColorSpace);
psOut->setPassLevel1CustomColor(passLevel1CustomColor);
#ifdef OPI_SUPPORT
psOut->setGenerateOPI(doOPI);
#endif
psOut->setUseBinary(psBinary);
psOut->setRasterAntialias(rasterAntialias);
if (psOut->isOk()) {
for (int i = firstPage; i <= lastPage; ++i) {
doc->displayPage(psOut, i, 72, 72, 0, noCrop, !noCrop, true);
}
} else {
delete psOut;
exitCode = 2;
goto err1;
}
delete psOut;
exitCode = 0;
// clean up
err1:
delete fileName;
err0:
return exitCode;
}