diff options
| -rw-r--r-- | qt-ui/divepicturewidget.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/qt-ui/divepicturewidget.cpp b/qt-ui/divepicturewidget.cpp index 6742fc274..cadbe04e6 100644 --- a/qt-ui/divepicturewidget.cpp +++ b/qt-ui/divepicturewidget.cpp @@ -2,6 +2,7 @@ #include <dive.h> #include <QtConcurrentMap> #include <QDir> +#include <QHash> DivePictureModel *DivePictureModel::instance() { @@ -18,10 +19,16 @@ typedef QList<SPixmap> SPixmapList; SPixmap scaleImages(const QString &s) { - QImage p = QImage(s).scaled(128, 128, Qt::KeepAspectRatio); + static QHash <QString, QImage > cache; SPixmap ret; ret.first = s; - ret.second = p; + if (cache.contains(s)) { + ret.second = cache.value(s); + } else { + QImage p = QImage(s).scaled(128, 128, Qt::KeepAspectRatio); + cache.insert(s, p); + ret.second = p; + } return ret; } |