mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2024-11-28 05:00:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

Debug: sprinkle debug messages in thumbnailing code

Browse source 
To ease trouble-shooting of the picture thumbnailer add a number
of debug- and info-messages.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Berthold Stoeger 2018-03-25 16:46:16 +02:00 committed by Lubomir I. Ivanov
parent 028f53c63b
commit 376b737891
2 changed files with 12 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
core/imagedownloader.cpp
View file

@ -44,6 +44,7 @@ bool ImageDownloader::loadFromUrl(const QUrl &url)
connect(&manager, &QNetworkAccessManager::finished, this,
[this,&success] (QNetworkReply *reply) { saveImage(reply, success); });
connect(&manager, &QNetworkAccessManager::finished, &loop, &QEventLoop::quit);
qDebug() << "Downloading image from" << url;
QNetworkReply *reply = manager.get(request);
loop.exec();
delete reply;
@ -68,6 +69,7 @@ void ImageDownloader::saveImage(QNetworkReply *reply, bool &success)
dir.mkpath(path);
QFile imageFile(path.append("/").append(hash.result().toHex()));
if (imageFile.open(QIODevice::WriteOnly)) {
qDebug() << "Write image to" << imageFile.fileName();
QDataStream stream(&imageFile);
stream.writeRawData(imageData.data(), imageData.length());
imageFile.waitForBytesWritten(-1);
@ -103,12 +105,18 @@ static void loadPicture(struct picture *picture, bool fromHash)
SHashedImage::SHashedImage(struct picture *picture) : QImage()
{
QUrl url = QUrl::fromUserInput(localFilePath(QString(picture->filename)));
if(url.isLocalFile())
if (url.isLocalFile()) {
load(url.toLocalFile());
if (isNull())
qInfo() << "Failed loading picture" << url.toLocalFile();
else
qDebug() << "Loaded picture" << url.toLocalFile();
}
if (isNull()) {
// This did not load anything. Let's try to get the image from other sources
// Let's try to load it locally via its hash
QString filename = localFilePath(picture->filename);
qDebug() << QStringLiteral("Translated filename: %1 -> %2").arg(picture->filename, filename);
if (filename.isNull()) {
// That didn't produce a local filename.
// Try the cloud server
@ -119,9 +127,11 @@ SHashedImage::SHashedImage(struct picture *picture) : QImage()
load(filename);
if (!isNull()) {
// Make sure the hash still matches the image file
qDebug() << "Loaded picture from translated filename" << filename;
QtConcurrent::run(hashPicture, clone_picture(picture));
} else {
// Interpret filename as URL
qInfo() << "Failed loading picture from translated filename" << filename;
QtConcurrent::run(loadPicture, clone_picture(picture), false);
}
}

1
qt-models/divepicturemodel.cpp
View file

@ -23,6 +23,7 @@ static void scaleImages(PictureEntry &entry, int size, int maxSize)
// If thumbnails were written by an earlier version, they might be smaller than needed.
// Rescale in such a case to avoid resizing artifacts.
if (thumbnail.isNull() || (thumbnail.size().width() < maxSize && thumbnail.size().height() < maxSize)) {
qDebug() << "No thumbnail in cache for" << entry.filename;
thumbnail = SHashedImage(entry.picture).scaled(maxSize, maxSize, Qt::KeepAspectRatio);
QMutexLocker l(&thumbnailMutex);
thumbnailCache.insert(entry.filename, thumbnail);