DST_IN
{@usesMathJax} Keeps the destination pixels that cover source pixels, discards the remaining source and destination pixels.
\(\alpha_{out} = \alpha_{src} * \alpha_{dst}\)
\(C_{out} = C_{dst} * \alpha_{src}\)
{@usesMathJax} Keeps the destination pixels that cover source pixels, discards the remaining source and destination pixels.
\(\alpha_{out} = \alpha_{src} * \alpha_{dst}\)
\(C_{out} = C_{dst} * \alpha_{src}\)