[Lazarus] create bng with transparent background

Luca Olivetti luca at wetron.es
Wed Jun 10 13:57:52 CEST 2020


is there a way to create a png with transparent background?

I tried the suggestion here


to set the brush to bsClear but it doesn't work.
I also tried with a TFPMemoryImage using either a brush or a pen with 
alphaTransparent but I couldn't have a transparent png, the background 
is always black.

Luca Olivetti
Wetron Automation Technology http://www.wetron.es/
Tel. +34 93 5883004 (Ext.3010)  Fax +34 93 5883007

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