Hi,

Could you elaborate on what you see as the discrepancy between docs and 
implementation? The docs don't say whether

it's a shallow or a deep copy, so it looks to me that the implementation is 
within the bounds of the docs.


Plus it seems sensible to return a shallow copy, doesn't it?



Simon

________________________________
From: Development <development-bounces+simon.hausmann=qt...@qt-project.org> on 
behalf of Tomasz Olszak <olszak.tom...@gmail.com>
Sent: Monday, July 11, 2016 11:38:06 AM
To: development@qt-project.org
Subject: [Development] QImage::transformed returns shallow copy for 
QTransform::TxNone matrix type.

Hello,

QImage:: transformed(const QTransform &matrix, Qt::TransformationMode mode = 
Qt::FastTransformation) docs:

"Returns a copy of the image that is transformed using the given transformation 
matrix and transformation mode."

But if matrix.type() == QTransform::TxNone then shallow instead of deep copy is 
returned.

I'm happy to submit a fix but I don't know what is expected behaviour? Should 
implementation follow docs or docs or docs follow implementation here?

T.


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