https://bugs.kde.org/show_bug.cgi?id=327124 Bug ID: 327124
Summary: Add loadHalfPreview reading from QBuffer
Classification: Unclassified
Product: digikam
Version: unspecified
Platform: unspecified
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: libkdcraw
Assignee:
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Reporter:
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CC:
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Created attachment 83331
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https://bugs.kde.org/attachment.cgi?id=83331&action=editproposed patch
During implementation of the RAW preview support in gwenview, a need for
loadHalfPreview able of loading the RAW data from QBuffer and returning JPEG
data in QByteArray arose.
I decided to implement variants of loadHalfPreview and loadRawPreview returning
data in a QByteArray (JPEG format, but it would be easily implementable to
allow passing the desired format as optional parameter for loadHalfPreview. In
loadRawPreview that would be senseless as loadEmbeddedPreview is always JPEG).
If this API change is not desired, I'll implement loadHalfPreview(QImage,
QBuffer) as a minimal variant, leaving the conversion to JPEG in QByteArray on
gwenview side.
Proposed patch is attached (fixing some typos in the documentation comments,
too).
+++ This bug was initially created as a clone of Bug #326953 +++
During implementation of the RAW preview support in gwenview, a need for
loadEmbeddedPreview able of loading the RAW data from QBuffer (not file) arose.
Temporarily, I've implemented the function within gwenview. For the sake of
better maintainability of the code it would be nice to have this feature
implemented directly in libkdcraw. Proposed patch is attached.
Reproducible: Always
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