If you have troubles since the update to WordPress 4.5 please read this post before opening a new thread.
I would like to know how is the scaling effect on the Portfolio 1 Column implemented.
Do you use any framework to implement it ?
I would like to change it’s behavior, so maybe you can point me to some resources.
I am using your theme in a custom asp.net mvc project.
The greyscale effect does not require a special framework but you need to generate two thumbnails (colored thumbnail + greyscale thumbnail). The code can be found in choicesfunctions-choices.php – search for following function:
Afaik Kriesi uses the standard php/gdimage libary feature to generate the thumbnails.
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