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author | 2015-11-09 16:48:12 +0100 | |
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committer | 2016-03-15 22:38:35 -0700 | |
commit | 2368f3371bbdb587888d5f04095623c7b8b2ac2e (patch) | |
tree | 53420ac62c056136c542d60aede4cfeb257c3866 /qt-models | |
parent | 126ce41b5c3a6e486f59340d7e810913f61035e0 (diff) | |
download | subsurface-2368f3371bbdb587888d5f04095623c7b8b2ac2e.tar.gz |
Store Thumbnails with image hashes
This drastically improves the time it takes to select a dive
with several pictures at the expense of longer startup and
bigger hash files.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'qt-models')
-rw-r--r-- | qt-models/divepicturemodel.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/qt-models/divepicturemodel.cpp b/qt-models/divepicturemodel.cpp index 1f37423e2..d61af3c5e 100644 --- a/qt-models/divepicturemodel.cpp +++ b/qt-models/divepicturemodel.cpp @@ -5,19 +5,21 @@ #include <QtConcurrent> +extern QHash <QString, QImage > thumbnailCache; + + SPixmap scaleImages(picturepointer picture) { - static QHash <QString, QImage > cache; SPixmap ret; ret.first = picture; - if (cache.contains(picture->filename) && !cache.value(picture->filename).isNull()) { - ret.second = cache.value(picture->filename); + if (thumbnailCache.contains(picture->filename) && !thumbnailCache.value(picture->filename).isNull()) { + ret.second = thumbnailCache.value(picture->filename); } else { int dim = defaultIconMetrics().sz_pic; QImage p = SHashedImage(picture); if(!p.isNull()) { p = p.scaled(dim, dim, Qt::KeepAspectRatio); - cache.insert(picture->filename, p); + thumbnailCache.insert(picture->filename, p); } ret.second = p; } |