[Lazarus] Canvas cannot draw properly if has an alpha channel?

[Ondrej Pokorny]

On 25.04.2018 16:30, Anthony Walter via Lazarus wrote:
> Suggestions?

You obviously know much more in this topic than I do, so it's hard to 
comment for me.

Just a note about win32: AFAIK the LCL supports only Windows XP and up 
officially since 1.8. So there is no problem to switch to GDI+.

I am quite sure any improvements will be highly appreciated.

Ondrej