[Digikam-devel] [Bug 307602] Large TIFF files crash digiKam (>1Gb)

Gilles Caulier caulier.gilles at gmail.com
Thu Oct 18 22:19:13 BST 2012


https://bugs.kde.org/show_bug.cgi?id=307602

--- Comment #33 from Gilles Caulier <caulier.gilles at gmail.com> ---
Marcel,

Qt API do not provide any storage container to :

1/ compress data to optimize memory allocation of RAW data ?
2/ tile access of data from a file stream ?

For 1/, if we use QByteArray into DImg to store image data instead a uchar
pointer, we can compress it :

http://qt-project.org/doc/qt-4.8/qbytearray.html#qCompress

QByteArray will also prevent memory allocation problem...

For 2/, i have no idea...

Gilles

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