[Kde-imaging] [Bug 151346] Kipi Time Adjust change the wrong date, should be configurable

[Karol Slanina]

https://bugs.kde.org/show_bug.cgi?id=151346





--- Comment #8 from Karol Slanina <karol slanina gmail com>  2009-08-10 01:51:54 ---
Enclosed is the patch, which I generated using the diff modifiers mentioned by
Marcel. I have also changed the names of the application and EXIF creation
timestamps. I have left the text in lowercase, since this was also the style
used in the original plugin dialog.

I have run some performance tests, here are the results:

1. Reaction time to a timestamp selection (or plugin window appearance, if the
particular timestamp type is selected initially):
100 pictures: metadata: 0.2s, file/application: instant
500 pictures: metadata: 1s, file/application: instant
1000 pictures: metadata: 2s, file/application: instant
2000 pictures: metadata: 4s, file/application: 0.4s
5000 pictures: metadata: 8s, file/application: 1s

2. Modification of 500 pictures: 
digikam stamp: 10s
file modified: instant
EXIF created: 25s

3. Modification of 5000 pictures: 
digikam stamp: 90s
file modified: 3s
EXIF created: ca. 5 min.

I could not test more than 5000 pictures (i.e. ca. 5 GB of data) in a folder
due to a limited space of my Linux partition.

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