toString convert int to hex.

[Akari]

As I see it's not possible because you can onpy pass one flag to setf function. If you can add mask to it - then it will become possible.

[nbeato]

The flags argument is a mask. Use a bitwise or with std::ios::hex.

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Ogre::String hex = Ogre::StringConverter::toString(140, 0, ' ', std::ios::hex | otherflags);

[Akari]

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Ogre::String hex = Ogre::StringConverter::toString(140, 0, ' ', std::ios::hex);

This don't do anything. Inner realization uses setf() with one argument which is add flags to exist flags, but don't remove others.

To set string to hex you need to write this

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stream.setf(std::ios::hex, std::ios::basefield);