[Lazarus] Rotating a bitmap

[Vincent Snijders]

2008/10/27 Michael Van Canneyt <michael at freepascal.org>:
> Hi,
>
> How can I rotate a bitmap 90° counterclockwise ?
>
> Alternatively, how can I read/write the pixels in the bitmap ?
> I found ReadChannels/WriteChannels from RawImage, but they
> use a strange kind of position object which I don't understand :(
>
> (an alternate answer is to implement rotated fonts in GTK1 ;))
>
> Michael.
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