memory leak? about qtpbfimageplugin HOT 7 CLOSED

I can not reproduce any leak using a +/- same code/data. So either there is something wrong in your Qt version (or some library that Qt uses) or the problem is somewhere else in your code. Provide the full code (+the real data) you are using if you want me to look deeper into the issue.

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You can try the code after fd02b83. Theoretically this should not change anything, but one never knows in C++...

from qtpbfimageplugin.

PBF.zip
Qt5.4.1+visual studio 2010

protobuf-cpp-3.2.0,

zlib-1.2.11

from qtpbfimageplugin.

You can try the code after fd02b83. Theoretically this should not change anything, but one never knows in C++...

same result

from qtpbfimageplugin.

At the first sight, there is nothing suspicious, except the wrong constant zoom level you use (but that has nothing to do with a memory leak). Try to compile/run the pbf2png example tool and see if it also leaks with your Qt/compiler setup (You may replace the QtConcurrent parallelisation with a simple sequential loop to get closer to your use case).

If it leaks, than there is some problem in your setup. If not, than the problem is in your code.

from qtpbfimageplugin.

Memory leak observed for some tiles. The program pbf2png prints a message "QRegularExpressionPrivate::doMatch(): called on an invalid QRegularExpression object"

The only thing fixed in the source code of QtPBFImagePlugin: in Qt 5.4.1, the QFont :: Weight enumeration does not contain
Thin, ExtraLight, Medium, ExtraBold value

from qtpbfimageplugin.

The program pbf2png prints a message "QRegularExpressionPrivate::doMatch(): called on an invalid QRegularExpression object"

With the default ([0-9]+).* regexp? Works fine for me...

I would generally recommend you to use some newer Qt version - 5.4 is quiet archaic and most probably contains some already fixed bugs causing the memory leak (and the broken regex)

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