void PictureLoader::picDownloadFinished(QNetworkReply *reply) { if (reply->error()) { qDebug() << "Download failed:" << reply->errorString(); } int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); if (statusCode == 301 || statusCode == 302) { QUrl redirectUrl = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl(); QNetworkRequest req(redirectUrl); qDebug() << "following redirect:" << cardBeingDownloaded.getCard()->getName() << "Url:" << req.url(); networkManager->get(req); return; } const QByteArray &picData = reply->peek(reply->size()); //peek is used to keep the data in the buffer for use by QImageReader if(imageIsBlackListed(picData)) { qDebug() << "Picture downloaded, but blacklisted, will consider it as not found"; picDownloadFailed(); reply->deleteLater(); startNextPicDownload(); return; } QImage testImage; QImageReader imgReader; imgReader.setDecideFormatFromContent(true); imgReader.setDevice(reply); QString extension = "." + imgReader.format(); //the format is determined prior to reading the QImageReader data into a QImage object, as that wipes the QImageReader buffer if (extension == ".jpeg") extension = ".jpg"; if (imgReader.read(&testImage)) { QString setName = cardBeingDownloaded.getSetName(); if(!setName.isEmpty()) { if (!QDir().mkpath(picsPath + "/downloadedPics/" + setName)) { qDebug() << picsPath + "/downloadedPics/" + setName + " could not be created."; return; } QFile newPic(picsPath + "/downloadedPics/" + setName + "/" + cardBeingDownloaded.getCard()->getCorrectedName() + extension); if (!newPic.open(QIODevice::WriteOnly)) return; newPic.write(picData); newPic.close(); } imageLoaded(cardBeingDownloaded.getCard(), testImage); } else { picDownloadFailed(); } reply->deleteLater(); startNextPicDownload(); }
void PictureLoader::picDownloadFinished(QNetworkReply *reply) { QString picsPath = _picsPath; if (reply->error()) { qDebug() << "Download failed:" << reply->errorString(); } const QByteArray &picData = reply->peek(reply->size()); //peek is used to keep the data in the buffer for use by QImageReader QImage testImage; QImageReader imgReader; imgReader.setDecideFormatFromContent(true); imgReader.setDevice(reply); QString extension = "." + imgReader.format(); //the format is determined prior to reading the QImageReader data into a QImage object, as that wipes the QImageReader buffer if (extension == ".jpeg") extension = ".jpg"; if (imgReader.read(&testImage)) { QString setName = cardBeingDownloaded.getSetName(); if(!setName.isEmpty()) { if (!QDir().mkpath(picsPath + "/downloadedPics/" + setName)) { qDebug() << picsPath + "/downloadedPics/" + setName + " could not be created."; return; } QFile newPic(picsPath + "/downloadedPics/" + setName + "/" + cardBeingDownloaded.getCard()->getCorrectedName() + extension); if (!newPic.open(QIODevice::WriteOnly)) return; newPic.write(picData); newPic.close(); } emit imageLoaded(cardBeingDownloaded.getCard(), testImage); } else if (cardBeingDownloaded.getHq()) { qDebug() << "HQ: received invalid picture. URL:" << reply->request().url(); cardBeingDownloaded.setHq(false); cardsToDownload.prepend(cardBeingDownloaded); } else { qDebug() << "LQ: received invalid picture. URL:" << reply->request().url(); if (cardBeingDownloaded.nextSet()) { cardBeingDownloaded.setHq(true); mutex.lock(); loadQueue.prepend(cardBeingDownloaded); mutex.unlock(); emit startLoadQueue(); } else emit imageLoaded(cardBeingDownloaded.getCard(), QImage()); } reply->deleteLater(); startNextPicDownload(); }
void ImgViewer::goToPic(int whichPic) { assert(whichPic >= 0 && whichPic < size); enableAllButtons(); currPixIndex = whichPic; // This will not ImgViewer correctly in case size==1 // Correct prev/next img buttons if(currPixIndex == 0) { ui->prevBut->setEnabled(false); } else if(currPixIndex == size-1) { ui->nextBut->setEnabled(false); } newPic(currPixIndex); ui->slider->setValue(currPixIndex); }