The goal of this document is to provide information on renderer's tech design.
As of Jan 2023, there is almost no documentation that goes deep into this option so the below information is the result of personal experimentation.
In short, to make Sharp render output that matches the one in the browser,
premultiplied
option needs to be set to true
for certain blend modes like:
- hard-light
- screen
- lighten
- multiply
- overlay
Good blueprint examples used for testing this: