[Lazarus] TImage and PNG (on linux)

Marc Weustink marc.weustink at cuperus.nl
Mon Apr 11 17:44:43 CEST 2011

Leonardo M. Ramé wrote:
> Hi, I was testing a sample project and found that on Windows, handling
> of PNGs with transparent backgrounds is working ok, but on Linux it
> doesn't work as expected. The image is a black line on the top of the
> image, with a Gaussian Blur applied on Photoshop, then saved to PNG with
> transparent background.
> I attached an image showing what I get on Windows vs Linux, also the
> original image.

The current linux-gtk implementation has only a 1 bit alpha


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