bool load(const char* fileName)
{
delete _pdfDoc;
delete _outputDev;
delete _nullOutputDev;
for (int i=0; i<_bmpCache.size(); i++) delete _bmpCache[i];
_bmpCache.resize(0);
for (int i=0; i<_textCache.size(); i++) delete _textCache[i];
_textCache.resize(0);
_pdfDoc= new PDFDoc(new GooString(fileName), NULL, NULL, NULL);
if (!_pdfDoc->isOk()) {
printf("error loading pdf");
return false;
}
GBool bitmapTopDown = gTrue;
SplashColor white;
white[0]=0xff;
white[1]=0xff;
white[2]=0xff;
// _outputDev = new SplashOutputDev_mod(splashModeRGB8, 4, gFalse, white, bitmapTopDown);
_outputDev = new SplashOutputDev(splashModeRGB8, 4, gFalse, white, bitmapTopDown);
if(!_outputDev)
{
printf("error loading pdf");
return false;
}
#ifdef USE_NULLOUTPUTDEV
_nullOutputDev=new NullOutputDev();
#endif
#ifdef POPPLER_VERSION
_outputDev->startDoc(_pdfDoc);
#else
_outputDev->startDoc(_pdfDoc->getXRef());
#endif
_bmpCache.resize(_pdfDoc->getNumPages());
for (int i=0; i<_bmpCache.size(); i++) _bmpCache[i]=NULL;
_textCache.resize(_pdfDoc->getNumPages());
for (int i=0; i<_textCache.size(); i++) _textCache[i]=NULL;
return true;
}
bool PdfPlug::convert(QString fn)
{
bool firstPg = true;
int currentLayer = m_Doc->activeLayer();
int baseLayer = m_Doc->activeLayer();
importedColors.clear();
if(progressDialog)
{
progressDialog->setOverallProgress(2);
progressDialog->setLabel("GI", tr("Generating Items"));
qApp->processEvents();
}
QFile f(fn);
oldDocItemCount = m_Doc->Items->count();
if (progressDialog)
{
progressDialog->setBusyIndicator("GI");
qApp->processEvents();
}
globalParams = new GlobalParams();
if (globalParams)
{
GooString *fname = new GooString(QFile::encodeName(fn).data());
globalParams->setErrQuiet(gTrue);
GBool hasOcg = gFalse;
QList<OptionalContentGroup*> ocgGroups;
// globalParams->setPrintCommands(gTrue);
PDFDoc *pdfDoc = new PDFDoc(fname, 0, 0, 0);
if (pdfDoc)
{
if (pdfDoc->isOk())
{
double hDPI = 72.0;
double vDPI = 72.0;
int firstPage = 1;
int lastPage = pdfDoc->getNumPages();
SlaOutputDev *dev = new SlaOutputDev(m_Doc, &Elements, &importedColors, importerFlags);
if (dev->isOk())
{
OCGs* ocg = pdfDoc->getOptContentConfig();
if (ocg)
{
hasOcg = ocg->hasOCGs();
if (hasOcg)
{
QStringList ocgNames;
Array *order = ocg->getOrderArray();
if (order)
{
for (int i = 0; i < order->getLength (); ++i)
{
Object orderItem;
order->get(i, &orderItem);
if (orderItem.isDict())
{
Object ref;
order->getNF(i, &ref);
if (ref.isRef())
{
OptionalContentGroup *oc = ocg->findOcgByRef(ref.getRef());
QString ocgName = UnicodeParsedString(oc->getName());
if (!ocgNames.contains(ocgName))
{
ocgGroups.prepend(oc);
ocgNames.append(ocgName);
}
}
ref.free();
}
else
{
GooList *ocgs;
int i;
ocgs = ocg->getOCGs ();
for (i = 0; i < ocgs->getLength (); ++i)
{
OptionalContentGroup *oc = (OptionalContentGroup *)ocgs->get(i);
QString ocgName = UnicodeParsedString(oc->getName());
if (!ocgNames.contains(ocgName))
{
ocgGroups.prepend(oc);
ocgNames.append(ocgName);
}
}
}
}
}
else
{
GooList *ocgs;
int i;
ocgs = ocg->getOCGs ();
for (i = 0; i < ocgs->getLength (); ++i)
{
OptionalContentGroup *oc = (OptionalContentGroup *)ocgs->get(i);
QString ocgName = UnicodeParsedString(oc->getName());
if (!ocgNames.contains(ocgName))
{
ocgGroups.prepend(oc);
ocgNames.append(ocgName);
}
}
}
}
}
GBool useMediaBox = gTrue;
GBool crop = gFalse;
GBool printing = gFalse;
dev->startDoc(pdfDoc, pdfDoc->getXRef(), pdfDoc->getCatalog());
int rotate = pdfDoc->getPageRotate(firstPage);
if (importerFlags & LoadSavePlugin::lfCreateDoc)
{
// POPPLER_VERSION appeared in 0.19.0 first
#ifdef POPPLER_VERSION
if (hasOcg)
{
QString actL = m_Doc->activeLayerName();
for (int a = 0; a < ocgGroups.count(); a++)
{
OptionalContentGroup *oc = ocgGroups[a];
if (actL != UnicodeParsedString(oc->getName()))
currentLayer = m_Doc->addLayer(UnicodeParsedString(oc->getName()), false);
else
currentLayer = m_Doc->layerIDFromName(UnicodeParsedString(oc->getName()));
// POPPLER_VERSION appeared in 0.19.0 first
#ifdef POPPLER_VERSION
if ((oc->getViewState() == OptionalContentGroup::ocUsageOn) || (oc->getViewState() == OptionalContentGroup::ocUsageUnset))
m_Doc->setLayerVisible(currentLayer, true);
else
m_Doc->setLayerVisible(currentLayer, false);
if ((oc->getPrintState() == OptionalContentGroup::ocUsageOn) || (oc->getPrintState() == OptionalContentGroup::ocUsageUnset))
m_Doc->setLayerPrintable(currentLayer, true);
else
m_Doc->setLayerPrintable(currentLayer, false);
#else
if (oc->getState() == OptionalContentGroup::On)
{
m_Doc->setLayerVisible(currentLayer, true);
m_Doc->setLayerPrintable(currentLayer, true);
}
else
{
m_Doc->setLayerVisible(currentLayer, false);
m_Doc->setLayerPrintable(currentLayer, false);
}
#endif
oc->setState(OptionalContentGroup::Off);
}
dev->layersSetByOCG = true;
}
#endif
Object info;
pdfDoc->getDocInfo(&info);
if (info.isDict())
{
Object obj;
GooString *s1;
Dict *infoDict = info.getDict();
if (infoDict->lookup((char*)"Title", &obj )->isString())
{
s1 = obj.getString();
m_Doc->documentInfo().setTitle(UnicodeParsedString(obj.getString()));
obj.free();
}
if (infoDict->lookup((char*)"Author", &obj )->isString())
{
s1 = obj.getString();
m_Doc->documentInfo().setAuthor(UnicodeParsedString(obj.getString()));
obj.free();
}
if (infoDict->lookup((char*)"Subject", &obj )->isString())
{
s1 = obj.getString();
m_Doc->documentInfo().setSubject(UnicodeParsedString(obj.getString()));
obj.free();
}
if (infoDict->lookup((char*)"Keywords", &obj )->isString())
{
s1 = obj.getString();
m_Doc->documentInfo().setKeywords(UnicodeParsedString(obj.getString()));
obj.free();
}
}
info.free();
for (int pp = 0; pp < lastPage; pp++)
{
m_Doc->setActiveLayer(baseLayer);
if (firstPg)
firstPg = false;
else
m_Doc->addPage(pp);
m_Doc->currentPage()->setInitialHeight(pdfDoc->getPageMediaHeight(pp + 1));
m_Doc->currentPage()->setInitialWidth(pdfDoc->getPageMediaWidth(pp + 1));
m_Doc->currentPage()->setHeight(pdfDoc->getPageMediaHeight(pp + 1));
m_Doc->currentPage()->setWidth(pdfDoc->getPageMediaWidth(pp + 1));
m_Doc->currentPage()->MPageNam = CommonStrings::trMasterPageNormal;
m_Doc->currentPage()->m_pageSize = "Custom";
m_Doc->setPageSize("Custom");
m_Doc->reformPages(true);
if (hasOcg)
{
for (int a = 0; a < ocgGroups.count(); a++)
{
OptionalContentGroup *oc = ocgGroups[a];
// m_Doc->setActiveLayer(UnicodeParsedString(oc->getName()));
// currentLayer = m_Doc->activeLayer();
oc->setState(OptionalContentGroup::On);
// pdfDoc->displayPage(dev, pp + 1, hDPI, vDPI, rotate, useMediaBox, crop, printing);
// oc->setState(OptionalContentGroup::Off);
}
pdfDoc->displayPage(dev, pp + 1, hDPI, vDPI, rotate, useMediaBox, crop, printing);
}
else
pdfDoc->displayPage(dev, pp + 1, hDPI, vDPI, rotate, useMediaBox, crop, printing);
}
}
else
{
if (hasOcg)
{
for (int a = 0; a < ocgGroups.count(); a++)
{
ocgGroups[a]->setState(OptionalContentGroup::On);
}
}
pdfDoc->displayPage(dev, firstPage, hDPI, vDPI, rotate, useMediaBox, crop, printing);
}
}
delete dev;
}
}
delete pdfDoc;
}
delete globalParams;
globalParams = 0;
// qDebug() << "converting finished";
// qDebug() << "Imported" << Elements.count() << "Elements";
if (Elements.count() == 0)
{
if (importedColors.count() != 0)
{
for (int cd = 0; cd < importedColors.count(); cd++)
{
m_Doc->PageColors.remove(importedColors[cd]);
}
}
}
if (progressDialog)
progressDialog->close();
return true;
}
int main(int argc, char *argv[])
{
// parse args
bool ok = parseArgs(argDesc, &argc, argv);
if (!ok || argc < 2 || argc > 3 || printHelp) {
fprintf(stderr, "pdftoipe version %s\n", PDFTOIPE_VERSION);
printUsage("pdftoipe", "<PDF-file> [<XML-file>]", argDesc);
return 1;
}
GooString *fileName = new GooString(argv[1]);
globalParams = new GlobalParams();
if (quiet)
globalParams->setErrQuiet(quiet);
GooString *ownerPW, *userPW;
if (ownerPassword[0]) {
ownerPW = new GooString(ownerPassword);
} else {
ownerPW = 0;
}
if (userPassword[0]) {
userPW = new GooString(userPassword);
} else {
userPW = 0;
}
// open PDF file
PDFDoc *doc = new PDFDoc(fileName, ownerPW, userPW);
delete userPW;
delete ownerPW;
if (!doc->isOk())
return 1;
// construct XML file name
std::string xmlFileName;
if (argc == 3) {
xmlFileName = argv[2];
} else {
const char *p = fileName->c_str() + fileName->getLength() - 4;
if (!strcmp(p, ".pdf") || !strcmp(p, ".PDF")) {
xmlFileName = std::string(fileName->c_str(),
fileName->getLength() - 4);
} else {
xmlFileName = fileName->c_str();
}
xmlFileName += ".ipe";
}
// get page range
if (firstPage < 1)
firstPage = 1;
if (lastPage < 1 || lastPage > doc->getNumPages())
lastPage = doc->getNumPages();
// write XML file
XmlOutputDev *xmlOut =
new XmlOutputDev(xmlFileName, doc->getXRef(),
doc->getCatalog(), firstPage, lastPage);
// tell output device about text handling
xmlOut->setTextHandling(math, notext, literal, mergeLevel, unicodeLevel);
int exitCode = 2;
if (xmlOut->isOk()) {
doc->displayPages(xmlOut, firstPage, lastPage,
// double hDPI, double vDPI, int rotate,
// bool useMediaBox, bool crop, bool printing,
72.0, 72.0, 0, false, false, false);
exitCode = 0;
}
if (xmlOut->hasUnicode()) {
fprintf(stderr, "The document contains Unicode (non-ASCII) text.\n");
if (unicodeLevel <= 1)
fprintf(stderr, "Unknown Unicode characters were replaced by [U+XXX].\n");
else
fprintf(stderr, "UTF-8 was set as document encoding in the preamble.\n");
}
// clean up
delete xmlOut;
delete doc;
delete globalParams;
return exitCode;
}
int main(int argc, char *argv[]) {
PDFDoc *doc;
GString *fileName;
GString *ownerPW, *userPW;
SplashColor paperColor;
SplashOutputDev *splashOut;
GBool ok;
int exitCode;
int pg;
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || argc != 2 || printVersion || printHelp) {
fprintf(stderr, "pdf2jpeg version %s\n", xpdfVersion);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdf2jpeg", "<PDF-file> -o <jpegfile>", argDesc);
}
goto err0;
}
fileName = new GString(argv[1]);
// read config file
globalParams = new GlobalParams(cfgFileName);
globalParams->setupBaseFonts(NULL);
// open PDF file
if (ownerPassword[0]) {
ownerPW = new GString(ownerPassword);
} else {
ownerPW = NULL;
}
if (userPassword[0]) {
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;
}
paperColor[0] = paperColor[1] = paperColor[2] = 0xff;
splashOut = new SplashOutputDev(splashModeRGB8, 1, gFalse, paperColor);
splashOut->startDoc(doc->getXRef());
if(page>=1 && page<=doc->getNumPages()) {
double r = resolution;
if(width) {
int old_width = doc->getPageCropWidth(page);
r = 72.0*width/old_width;
}
doc->displayPage(splashOut, page, r, r, 0, gFalse, gTrue, gFalse);
SplashBitmap*bitmap = splashOut->getBitmap();
if(bitmap) {
Guchar*rgb = bitmap->getDataPtr();
int width = bitmap->getWidth();
int height = bitmap->getHeight();
jpeg_save(rgb, width, height, quality, output);
}
}
delete splashOut;
exitCode = 0;
// clean up
err1:
delete doc;
delete globalParams;
err0:
// check for memory leaks
Object::memCheck(stderr);
gMemReport(stderr);
return exitCode;
}
void TestOptionalContent::checkIsVisible()
{
GooString *fileName = new GooString(TESTDATADIR "/unittestcases/vis_policy_test.pdf");
globalParams = new GlobalParams();
PDFDoc *doc = new PDFDoc( fileName );
QVERIFY( doc );
OCGs *ocgs = doc->getOptContentConfig();
QVERIFY( ocgs );
XRef *xref = doc->getXRef();
Object obj;
// In this test, both Ref(21,0) and Ref(2,0) are set to On
// AnyOn, one element array:
// 22 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOn>>endobj
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QVERIFY( ocgs->optContentIsVisible( &obj ) );
obj.free();
// Same again, looking for any leaks or dubious free()'s
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QVERIFY( ocgs->optContentIsVisible( &obj ) );
obj.free();
// AnyOff, one element array:
// 29 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOff>>endobj
xref->fetch( 29, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOn, one element array:
// 36 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOn>>endobj
xref->fetch( 36, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOff, one element array:
// 43 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOff>>endobj
xref->fetch( 43, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AnyOn, multi-element array:
// 50 0 obj<</Type/OCMD/OCGs[21 0 R 28 0 R]/P/AnyOn>>endobj
xref->fetch( 50, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOff, multi-element array:
// 57 0 obj<</Type/OCMD/P/AnyOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 57, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOn, multi-element array:
// 64 0 obj<</Type/OCMD/P/AllOn/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 64, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOff, multi-element array:
// 71 0 obj<</Type/OCMD/P/AllOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 71, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
delete doc;
delete globalParams;
}
void TestOptionalContent::checkVisibilitySetting()
{
globalParams = new GlobalParams();
GooString *fileName = new GooString(TESTDATADIR "/unittestcases/vis_policy_test.pdf");
PDFDoc *doc = new PDFDoc( fileName );
QVERIFY( doc );
OCGs *ocgs = doc->getOptContentConfig();
QVERIFY( ocgs );
XRef *xref = doc->getXRef();
Object obj;
// In this test, both Ref(21,0) and Ref(28,0) start On,
// based on the file settings
Object ref21obj;
ref21obj.initRef( 21, 0 );
Ref ref21 = ref21obj.getRef();
OptionalContentGroup *ocgA = ocgs->findOcgByRef( ref21 );
QVERIFY( ocgA );
QVERIFY( (ocgA->getName()->cmp("A")) == 0 );
QCOMPARE( ocgA->getState(), OptionalContentGroup::On );
Object ref28obj;
ref28obj.initRef( 28, 0 );
Ref ref28 = ref28obj.getRef();
OptionalContentGroup *ocgB = ocgs->findOcgByRef( ref28 );
QVERIFY( ocgB );
QVERIFY( (ocgB->getName()->cmp("B")) == 0 );
QCOMPARE( ocgB->getState(), OptionalContentGroup::On );
// turn one Off
ocgA->setState( OptionalContentGroup::Off );
// AnyOn, one element array:
// 22 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOn>>endobj
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// Same again, looking for any leaks or dubious free()'s
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AnyOff, one element array:
// 29 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOff>>endobj
xref->fetch( 29, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOn, one element array:
// 36 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOn>>endobj
xref->fetch( 36, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOff, one element array:
// 43 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOff>>endobj
xref->fetch( 43, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AnyOn, multi-element array:
// 50 0 obj<</Type/OCMD/OCGs[21 0 R 28 0 R]/P/AnyOn>>endobj
xref->fetch( 50, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOff, multi-element array:
// 57 0 obj<</Type/OCMD/P/AnyOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 57, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOn, multi-element array:
// 64 0 obj<</Type/OCMD/P/AllOn/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 64, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOff, multi-element array:
// 71 0 obj<</Type/OCMD/P/AllOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 71, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// Turn the other one off as well (i.e. both are Off)
ocgB->setState(OptionalContentGroup::Off);
// AnyOn, one element array:
// 22 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOn>>endobj
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// Same again, looking for any leaks or dubious free()'s
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AnyOff, one element array:
// 29 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOff>>endobj
xref->fetch( 29, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOn, one element array:
// 36 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOn>>endobj
xref->fetch( 36, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOff, one element array:
// 43 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOff>>endobj
xref->fetch( 43, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOn, multi-element array:
// 50 0 obj<</Type/OCMD/OCGs[21 0 R 28 0 R]/P/AnyOn>>endobj
xref->fetch( 50, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AnyOff, multi-element array:
// 57 0 obj<</Type/OCMD/P/AnyOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 57, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOn, multi-element array:
// 64 0 obj<</Type/OCMD/P/AllOn/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 64, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOff, multi-element array:
// 71 0 obj<</Type/OCMD/P/AllOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 71, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// Turn the first one on again (21 is On, 28 is Off)
ocgA->setState(OptionalContentGroup::On);
// AnyOn, one element array:
// 22 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOn>>endobj
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// Same again, looking for any leaks or dubious free()'s
xref->fetch( 22, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOff, one element array:
// 29 0 obj<</Type/OCMD/OCGs[21 0 R]/P/AnyOff>>endobj
xref->fetch( 29, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOn, one element array:
// 36 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOn>>endobj
xref->fetch( 36, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOff, one element array:
// 43 0 obj<</Type/OCMD/OCGs[28 0 R]/P/AllOff>>endobj
xref->fetch( 43, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOn, multi-element array:
// 50 0 obj<</Type/OCMD/OCGs[21 0 R 28 0 R]/P/AnyOn>>endobj
xref->fetch( 50, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AnyOff, multi-element array:
// 57 0 obj<</Type/OCMD/P/AnyOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 57, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), true );
obj.free();
// AllOn, multi-element array:
// 64 0 obj<</Type/OCMD/P/AllOn/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 64, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
// AllOff, multi-element array:
// 71 0 obj<</Type/OCMD/P/AllOff/OCGs[21 0 R 28 0 R]>>endobj
xref->fetch( 71, 0, &obj );
QVERIFY( obj.isDict() );
QCOMPARE( ocgs->optContentIsVisible( &obj ), false );
obj.free();
delete doc;
delete globalParams;
}
void PDFFormat::init(std::string& filename){
PDFDoc *doc = PDFDocFactory().createPDFDoc(GooString(filename.c_str()));
//GBool enc = doc->isEncrypted();
GooString ID;
Object obj,id_obj;
Dict* trailer = doc->getXRef()->getTrailerDict()->getDict();
trailer->lookupNF("ID",&obj);
obj.getArray()->getNF(0,&id_obj);
data.ID1.assign(id_obj.getString()->getCString(),16);
obj.getArray()->getNF(1,&id_obj);
data.ID2.assign(id_obj.getString()->getCString(),16);
GBool enc = trailer->hasKey("Encrypt");
if(enc){
is_encrypted = true;
trailer->lookupNF("Encrypt",&obj);
Object encObj;
doc->getXRef()->fetch(obj.getRef().num,obj.getRef().gen,&encObj);
encObj.getDict()->lookupNF("Filter",&obj);
encObj.getDict()->lookupNF("R",&obj);
this->data.R = obj.getInt();
encObj.getDict()->lookupNF("V",&obj);
this->data.V = obj.getInt();
encObj.getDict()->lookupNF("P",&obj);
this->data.P = obj.getInt();
encObj.getDict()->lookupNF("Length",&obj);
this->data.length = obj.getInt();
encObj.getDict()->lookupNF("O",&obj);
if ((int)this->data.R <= 4) {
/* Revision 4 or less => 32Byte O string */
this->data.O.assign(obj.getString()->getCString(),32);
} else {
/* Revision 5 or 6 => 48Byte O string */
this->data.O.assign(obj.getString()->getCString(),48);
::memcpy(this->data.O_valid_salt, this->data.O.substr(32, 8).c_str(), 8);
::memcpy(this->data.O_key_salt, this->data.O.substr(40, 8).c_str(), 8);
this->data.O.resize(32);
}
encObj.getDict()->lookupNF("U",&obj);
if ((int)this->data.R <= 4) {
/* Revision 4 or less => 32Byte U string */
this->data.U.assign(obj.getString()->getCString(),32);
} else {
/* Revision 5 or 6 => 48Byte U string */
this->data.U.assign(obj.getString()->getCString(),48);
::memcpy(this->data.U_valid_salt, this->data.U.substr(32, 8).c_str(), 8);
::memcpy(this->data.U_key_salt, this->data.U.substr(40, 8).c_str(), 8);
this->data.U.resize(32);
}
if(encObj.getDict()->hasKey("EncryptMetadata")){
encObj.getDict()->lookupNF("EncryptMetadata", &obj);
this->data.MetaEncrypted = obj.getBool();
}
int v_major = doc->getPDFMajorVersion();
int v_minor = doc->getPDFMinorVersion();
if (verbose) {
// Print PDF encryption information from EncObj
std::cout << "======= PDF information =======" << std::endl;
std::cout << "PDF version: " << v_major << "." << v_minor << std::endl;
if ((int)this->data.R == 5) {
std::cout << "Extension level 3 detected." << std::endl;
} else if ((int)this->data.R == 6) {
std::cout << "Extension level 5 detected." << std::endl;
} else if ((int)this->data.R > 6) {
std::cout << "Warning: Unknown (unsupported) security revision!" << std::endl;
}
std::cout << "Security revision: " << (int)this->data.R << std::endl;
std::cout << "Encryption alg. version: " << (int)this->data.V << std::endl;
std::cout << "Key length: " << (int)this->data.length << std::endl;
std::cout << "Metadata encrypted: ";
if (this->data.MetaEncrypted) {
std::cout << "yes";
} else {
std::cout << "no";
}
std::cout << std::endl;
std::cout << "===============================" << std::endl;
}
}else{
is_encrypted = false;
}
is_supported = true;
}