Legacy ImageMagick Discussions Archive

Discovered the solution here: -

http://stackoverflow.com/questions/14562440/why-does-perls-imagemagick-create-an-outline-around-a-semi-transparent-image

$watermark->Evaluate(
operator => 'Multiply',
value => 0.6,
channel => 'Alpha',
);

$background->Composite(
image => $watermark,
gravity ...

Hi all, I am using PerlMagick and ImageMagick 6.7 to add a watermark to images. From the commandline on the same server using the following command the image is watermarked correctly without any white edges.

composite -gravity southwest -dissolve 50 /esp/data/watermark.png preview.jpg test.jpg ...