void ThumbView::updateExifInfo(QString imageFullPath) { Exiv2::Image::AutoPtr exifImage; QString key; QString val; try { exifImage = Exiv2::ImageFactory::open(imageFullPath.toStdString()); exifImage->readMetadata(); } catch (Exiv2::Error &error) { return; } Exiv2::ExifData &exifData = exifImage->exifData(); if (!exifData.empty()) { Exiv2::ExifData::const_iterator end = exifData.end(); infoView->addTitleEntry("Exif"); for (Exiv2::ExifData::const_iterator md = exifData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } Exiv2::IptcData &iptcData = exifImage->iptcData(); if (!iptcData.empty()) { Exiv2::IptcData::iterator end = iptcData.end(); infoView->addTitleEntry("IPTC"); for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } Exiv2::XmpData &xmpData = exifImage->xmpData(); if (!xmpData.empty()) { Exiv2::XmpData::iterator end = xmpData.end(); infoView->addTitleEntry("XMP"); for (Exiv2::XmpData::iterator md = xmpData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } }
bool ImageTags::writeTagsToImage(QString &imageFileName, QSet<QString> &newTags) { QSet<QString> imageTags; Exiv2::Image::AutoPtr exifImage; try { exifImage = Exiv2::ImageFactory::open(imageFileName.toStdString()); exifImage->readMetadata(); Exiv2::IptcData newIptcData; /* copy existing data */ Exiv2::IptcData &iptcData = exifImage->iptcData(); if (!iptcData.empty()) { QString key; Exiv2::IptcData::iterator end = iptcData.end(); for (Exiv2::IptcData::iterator iptcIt = iptcData.begin(); iptcIt != end; ++iptcIt) { if (iptcIt->tagName() != "Keywords") { newIptcData.add(*iptcIt); } } } /* add new tags */ QSetIterator<QString> newTagsIt(newTags); while (newTagsIt.hasNext()) { QString tag = newTagsIt.next(); Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::string); value->read(tag.toStdString()); Exiv2::IptcKey key("Iptc.Application2.Keywords"); newIptcData.add(key, value.get()); } exifImage->setIptcData(newIptcData); exifImage->writeMetadata(); } catch (Exiv2::Error &error) { QMessageBox msgBox; msgBox.critical(this, tr("Error"), tr("Failed to save tags to ") + imageFileName); return false; } return true; }