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//========================================================================
//
// pdfimages.cc
//
// Copyright 1998-2003 Glyph & Cog, LLC
//
//========================================================================
#include <aconf.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include "parseargs.h"
#include "GString.h"
#include "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 "ImageOutputDev.h"
#include "Error.h"
#include "config.h"
static int firstPage = 1;
static int lastPage = 0;
static GBool dumpJPEG = gFalse;
static char ownerPassword[33] = "\001";
static char userPassword[33] = "\001";
static GBool quiet = gFalse;
static char cfgFileName[256] = "";
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;
static ArgDesc argDesc[] = {
{"-f", argInt, &firstPage, 0,
"first page to convert"},
{"-l", argInt, &lastPage, 0,
"last page to convert"},
{"-j", argFlag, &dumpJPEG, 0,
"write JPEG images as JPEG files"},
{"-opw", argString, ownerPassword, sizeof(ownerPassword),
"owner password (for encrypted files)"},
{"-upw", argString, userPassword, sizeof(userPassword),
"user password (for encrypted files)"},
{"-q", argFlag, &quiet, 0,
"don't print any messages or errors"},
{"-cfg", argString, cfgFileName, sizeof(cfgFileName),
"configuration file to use in place of .xpdfrc"},
{"-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;
GString *fileName;
char *imgRoot;
GString *ownerPW, *userPW;
ImageOutputDev *imgOut;
GBool ok;
int exitCode;
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || argc != 3 || printVersion || printHelp) {
fprintf(stderr, "pdfimages version %s\n", xpdfVersion);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdfimages", "<PDF-file> <image-root>", argDesc);
}
goto err0;
}
fileName = new GString(argv[1]);
imgRoot = argv[2];
// read config file
globalParams = new GlobalParams(cfgFileName);
if (quiet) {
globalParams->setErrQuiet(quiet);
}
// open PDF file
if (ownerPassword[0] != '\001') {
ownerPW = new GString(ownerPassword);
} else {
ownerPW = NULL;
}
if (userPassword[0] != '\001') {
userPW = new GString(userPassword);
} else {
userPW = NULL;
}
doc = new PDFDoc(fileName, ownerPW, userPW);
if (userPW) {
delete userPW;
}
if (ownerPW) {
delete ownerPW;
}
if (!doc->isOk()) {
exitCode = 1;
goto err1;
}
// check for copy permission
if (!doc->okToCopy()) {
error(-1, "Copying of images from this document is not allowed.");
exitCode = 3;
goto err1;
}
// get page range
if (firstPage < 1)
firstPage = 1;
if (lastPage < 1 || lastPage > doc->getNumPages())
lastPage = doc->getNumPages();
// write image files
imgOut = new ImageOutputDev(imgRoot, dumpJPEG);
if (imgOut->isOk()) {
doc->displayPages(imgOut, firstPage, lastPage, 72, 72, 0, gTrue, 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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