Hi,

I have troubles creating a PNG file in memory.

I can create a PNG file on disk and load it back without problems:
f := FileSystem disk workingDirectory / 'pharoicon.png'.
f writeStreamDo: [ :stream |
PNGReadWriter�
putForm: ThemeIcons current pharoIcon�
onStream: stream ].
f readStreamDo: [ :stream | PNGReadWriter formFromStream: stream binary ]

But, when I try the same thing in memory, I get an exception for incorrect format:
f := FileSystem memory workingDirectory / 'pharoicon.png'.
f writeStreamDo: [ :stream |
PNGReadWriter�
putForm: ThemeIcons current pharoIcon�
onStream: stream ].
f readStreamDo: [ :stream | PNGReadWriter formFromStream: stream binary ]

Can anyone point me to what am I doing wrong?

Doru


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