filters

pdftopbm.cc

00001 //========================================================================
00002 //
00003 // pdftopbm.cc
00004 //
00005 // Copyright 1998-2002 Glyph & Cog, LLC
00006 //
00007 //========================================================================
00008 
00009 #include <aconf.h>
00010 #include <stdio.h>
00011 #include <stdlib.h>
00012 #include <stddef.h>
00013 #include <string.h>
00014 #include "parseargs.h"
00015 #include "GString.h"
00016 #include "gmem.h"
00017 #include "GlobalParams.h"
00018 #include "Object.h"
00019 #include "Stream.h"
00020 #include "Array.h"
00021 #include "Dict.h"
00022 #include "XRef.h"
00023 #include "Catalog.h"
00024 #include "Page.h"
00025 #include "PDFDoc.h"
00026 #include "PBMOutputDev.h"
00027 #include "Error.h"
00028 #include "config.h"
00029 
00030 static int firstPage = 1;
00031 static int lastPage = 0;
00032 static int resolution = 150;
00033 static char ownerPassword[33] = "";
00034 static char userPassword[33] = "";
00035 static GBool quiet = gFalse;
00036 static char cfgFileName[256] = "";
00037 static GBool printVersion = gFalse;
00038 static GBool printHelp = gFalse;
00039 
00040 static ArgDesc argDesc[] = {
00041   {"-f",      argInt,      &firstPage,     0,
00042    "first page to print"},
00043   {"-l",      argInt,      &lastPage,      0,
00044    "last page to print"},
00045   {"-r",      argInt,      &resolution,    0,
00046    "resolution, in DPI (default is 150)"},
00047   {"-opw",    argString,   ownerPassword,  sizeof(ownerPassword),
00048    "owner password (for encrypted files)"},
00049   {"-upw",    argString,   userPassword,   sizeof(userPassword),
00050    "user password (for encrypted files)"},
00051   {"-q",      argFlag,     &quiet,         0,
00052    "don't print any messages or errors"},
00053   {"-cfg",        argString,      cfgFileName,    sizeof(cfgFileName),
00054    "configuration file to use in place of .xpdfrc"},
00055   {"-v",      argFlag,     &printVersion,  0,
00056    "print copyright and version info"},
00057   {"-h",      argFlag,     &printHelp,     0,
00058    "print usage information"},
00059   {"-help",   argFlag,     &printHelp,     0,
00060    "print usage information"},
00061   {"--help",  argFlag,     &printHelp,     0,
00062    "print usage information"},
00063   {"-?",      argFlag,     &printHelp,     0,
00064    "print usage information"},
00065   {NULL}
00066 };
00067 
00068 int main(int argc, char *argv[]) {
00069   PDFDoc *doc;
00070   GString *fileName;
00071   char *pbmRoot;
00072   GString *ownerPW, *userPW;
00073   PBMOutputDev *pbmOut;
00074   GBool ok;
00075   int exitCode;
00076 
00077   exitCode = 99;
00078 
00079   // parse args
00080   ok = parseArgs(argDesc, &argc, argv);
00081   if (!ok || argc != 3 || printVersion || printHelp) {
00082     fprintf(stderr, "pdftopbm version %s\n", xpdfVersion);
00083     fprintf(stderr, "%s\n", xpdfCopyright);
00084     if (!printVersion) {
00085       printUsage("pdftopbm", "<PDF-file> <PBM-root>", argDesc);
00086     }
00087     goto err0;
00088   }
00089   fileName = new GString(argv[1]);
00090   pbmRoot = argv[2];
00091 
00092   // read config file
00093   globalParams = new GlobalParams(cfgFileName);
00094   if (quiet) {
00095     globalParams->setErrQuiet(quiet);
00096   }
00097 
00098   // open PDF file
00099   if (ownerPassword[0]) {
00100     ownerPW = new GString(ownerPassword);
00101   } else {
00102     ownerPW = NULL;
00103   }
00104   if (userPassword[0]) {
00105     userPW = new GString(userPassword);
00106   } else {
00107     userPW = NULL;
00108   }
00109   doc = new PDFDoc(fileName, ownerPW, userPW);
00110   if (userPW) {
00111     delete userPW;
00112   }
00113   if (ownerPW) {
00114     delete ownerPW;
00115   }
00116   if (!doc->isOk()) {
00117     exitCode = 1;
00118     goto err1;
00119   }
00120 
00121   // get page range
00122   if (firstPage < 1)
00123     firstPage = 1;
00124   if (lastPage < 1 || lastPage > doc->getNumPages())
00125     lastPage = doc->getNumPages();
00126 
00127   // write PBM files
00128   pbmOut = PBMOutputDev::makePBMOutputDev(NULL, pbmRoot);
00129   pbmOut->startDoc(doc->getXRef());
00130   doc->displayPages(pbmOut, firstPage, lastPage, resolution, 0, gFalse);
00131   PBMOutputDev::killPBMOutputDev(pbmOut);
00132 
00133   exitCode = 0;
00134 
00135   // clean up
00136  err1:
00137   delete doc;
00138   delete globalParams;
00139  err0:
00140 
00141   // check for memory leaks
00142   Object::memCheck(stderr);
00143   gMemReport(stderr);
00144 
00145   return exitCode;
00146 }
KDE Home | KDE Accessibility Home | Description of Access Keys