Hello.
I am trying to watermark images with a simple text using PerlMagick.
However,
I cannot seem to create a temporary image with true transparency.
Basically,
what I want is to create the watermark as a temporary, transparent
image, and
then overlay it onto the target image.
I create an image using
> $wimage->Read("xc:transparent");
Which yields a transparent image, via
> $wimage->Write("foo.png");
But when trying to overlay it on the target
> $image->Composite(image => $wimage,
> compose => "Over",
> opacity => int($opacity * (2 ** $wimage->Get('depth'))));
the "transparent" background is instead black, but the opacity is in
effect on that black background.
Without opacity, the transparent background is transparent as it should.
Any ideas?
Sincerely,
Erik.
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