bool XojPopplerDocument::load(const char * filename, const char * password, GError ** error) {
XOJ_CHECK_TYPE(XojPopplerDocument);
PDFDoc * newDoc;
GooString * filename_g;
GooString * password_g;
if (!globalParams) {
globalParams = new GlobalParams();
}
if (!filename) {
return false;
}
password_g = NULL;
if (password != NULL) {
if (g_utf8_validate(password, -1, NULL)) {
gchar *password_latin;
password_latin = g_convert(password, -1, "ISO-8859-1", "UTF-8", NULL, NULL, NULL);
password_g = new GooString(password_latin);
g_free(password_latin);
} else {
password_g = new GooString(password);
}
}
#ifdef G_OS_WIN32
wchar_t *filenameW;
int wlen;
wlen = MultiByteToWideChar(CP_UTF8, 0, filename, -1, NULL, 0);
filenameW = new WCHAR[wlen];
if (!filenameW)
return NULL;
wlen = MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, wlen);
newDoc = new PDFDoc(filenameW, wlen, password_g, password_g);
delete filenameW;
#else
filename_g = new GooString(filename);
newDoc = new PDFDoc(filename_g, password_g, password_g);
#endif
delete password_g;
if (!newDoc->isOk()) {
int fopen_errno;
switch (newDoc->getErrorCode()) {
case errOpenFile:
// If there was an error opening the file, count it as a G_FILE_ERROR
// and set the GError parameters accordingly. (this assumes that the
// only way to get an errOpenFile error is if newDoc was created using
// a filename and thus fopen was called, which right now is true.
fopen_errno = newDoc->getFopenErrno();
g_set_error(error, G_FILE_ERROR, g_file_error_from_errno(fopen_errno), "%s", g_strerror(fopen_errno));
break;
case errBadCatalog:
g_set_error(error, 0, 0, "Failed to read the document catalog");
break;
case errDamaged:
g_set_error(error, 0, 0, "PDF document is damaged");
break;
case errEncrypted:
g_set_error(error, 0, 0, "Document is encrypted");
break;
default:
g_set_error(error, 0, 0, "Failed to load document");
}
delete newDoc;
return false;
}
if (this->data) {
this->data->unreference();
}
this->data = new _IntPopplerDocument(newDoc);
return true;
}
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;
}