Anders Melander

> Is it possible with the new mechanism, to receive "any" stream and load it as a TBitmap32 with Graphics32 without knowing what format it is? Yes; `Bitmap.LoadFromStream(Stream)` should work....

> However, the reference to the interface then did not allow me to "print" the file extension. I guess, I am missing the base interface type of all the writers...

> An other task to add to the todo list : The code for RLE isn't optimal, it starts packing from a sequence of two pixels the correct algo should...

> I'm not sure I understand your code but are you sure changing channels order is supported by all readers ? The purpose of that constant is to handle the...

> The code for RLE isn't optimal, it starts packing from a sequence of two pixels the correct algo should start from three pixels and more, this impacts the output...

> In PSD the IDs of the channels are placed in Layer Record their order fixes the storage order of the channels, in theory it's possible to mix them (ID)...

I think we're just about "feature complete" with regard to PSD write support. The remaining tasks are nice-to-haves that can be implemented at a later stage. I will create a...

> Photoshop app uses that name , if you think it's wrong to call it so, you're free to correct it. No, it's fine. I do think it's pretty misleading...

> Potentiel bug in TImage32.PaintTo in the code of background generation , Moved to #247

I'll merge the PR to master tomorrow evening (Tuesday, CET) unless there are objections.