// 0 <= pageNo <numPage
CImage* getPage(int w, int h, int pageNo)
{
if(!cacheValid(w,h,pageNo))
{
// poppler uses 1 indexing for pageNo.
double DPI_W=calcDPI_width(w, pageNo);
double DPI_H=calcDPI_height(h, pageNo);
double DPI=MIN(DPI_W, DPI_H);
delete _textCache[pageNo]; _textCache[pageNo]=new intmatrixn();
_textCacheState=pageNo;
//_pdfDoc->getPageRotate(pageNo+1)
_pdfDoc->displayPage(_outputDev, pageNo+1, DPI, DPI, 0, gFalse, gTrue, gFalse);
#ifdef USE_NULLOUTPUTDEV
_nullOutputDev->setInfo(_pdfDoc->getPageRotate(pageNo+1),
_pdfDoc->getCatalog()->getPage(pageNo+1)->getCropBox()->x1,
_pdfDoc->getCatalog()->getPage(pageNo+1)->getCropBox()->y1,
_pdfDoc->getPageCropWidth(pageNo+1),
_pdfDoc->getPageCropHeight(pageNo+1),
_outputDev->getBitmap()->getWidth(),
_outputDev->getBitmap()->getHeight());
_pdfDoc->displayPage(_nullOutputDev, pageNo+1, DPI, DPI, 0, gFalse, gTrue, gFalse);
#endif
_textCacheState=-1;
/*//_pdfDoc->displayPageSlice(_outputDev, pageNo+1, DPI, DPI, 0, gFalse, gTrue, gFalse, 20,20, 400,400);
if(zoom2<zoom1)
{
if(h==_outputDev->getBitmap()->getHeight())
bOkay=true;
else
{
vDPI=72.0*h/_pdfDoc->getPageCropHeight(pageNo+1);
}
}
else
{
if(w==_outputDev->getBitmap()->getWidth())
bOkay=true;
else
{
double tt=72*w/_pdfDoc->getPageCropHeight(pageNo+1);
}
}
}
while(!bOkay);*/
SplashBitmap *temp=_outputDev->takeBitmap();
CImage* ptr=new CImage();
ptr->SetData(temp->getWidth(), temp->getHeight(), temp->getDataPtr(), temp->getRowSize());
delete _bmpCache[pageNo]; _bmpCache[pageNo]=ptr;
delete temp;
}
return _bmpCache[pageNo];
}
gboolean
import_pdf(const gchar *filename, DiagramData *dia, DiaContext *ctx, void* user_data)
{
PDFDoc *doc;
GooString *fileName = new GooString(filename);
// no passwords yet
GooString *ownerPW = NULL;
GooString *userPW = NULL;
gboolean ret = FALSE;
// without this we will get strange crashes (at least with /O2 build)
globalParams = new GlobalParams();
doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW);
if (!doc->isOk()) {
dia_context_add_message (ctx, _("PDF document not OK.\n%s"),
dia_context_get_filename (ctx));
} else {
DiaOutputDev *diaOut = new DiaOutputDev(dia, doc->getNumPages());
for (int pg = 1; pg <= doc->getNumPages(); ++pg) {
Page *page = doc->getPage (pg);
if (!page || !page->isOk())
continue;
doc->displayPage(diaOut, pg,
72.0, 72.0, /* DPI, scaling elsewhere */
0, /* rotate */
gTrue, /* useMediaBox */
gTrue, /* Crop */
gFalse /* printing */
);
}
delete diaOut;
ret = TRUE;
}
delete doc;
delete globalParams;
delete fileName;
return ret;
}
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[]) {
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;
}
int extract_images_from_pdf(char* filename,
char* target,
char* owner_password,
char* user_password,
char* range,
char* format,
int jpg_quality,
GBool dump_jpg,
GBool tiff_jpg)
{
if (user_cancelled)
return gpret_user_cancelled;
// load config
xpdf_rc xrc;
// open file
xpdf_doc xdoc(filename, owner_password, user_password);
PDFDoc* doc = xdoc.get_doc();
if (!doc->isOk())
return doc->getErrorCode() == errEncrypted ?
gpret_pdf_encrypted :
gpret_cant_open_pdf;
// check for copy permission
// if (!doc->okToCopy())
// return gpret_dont_allow_copy;
// get page range
page_range range_list(range);
if (*range == '\0')
{
range_list.add_item(range_item(1, doc->getNumPages()));
}
if (user_cancelled)
return gpret_user_cancelled;
// write image files
fi_loader fi;
int progress = 0;
image_extractor img_out(target, dump_jpg, format, jpg_quality, tiff_jpg);
for (int i = 0; i < range_list.item_count(); i++)
{
range_item& item = range_list.get_item(i);
for (int pg = item.first;
pg <= min(item.last, doc->getNumPages());
pg++)
{
if (user_cancelled)
return gpret_user_cancelled;
doc->displayPage(&img_out, pg, 72, 72, 0, gFalse, gTrue, gFalse);
printf("progress: %d\n",
++progress * 100 / range_list.page_count());
}
}
printf("image count: %d\n", img_out.get_image_number());
return gpret_success;
}