Table 140 – Revised variables for the basic compositing formulas

Variable

Meaning

fsi

Source shape for object i

fji

Object shape for object i

fmi

Mask shape for object i

fki

Constant shape for object i

fi

Result shape after compositing object i

qsi

Source opacity for object i

qji

Object opacity for object i

qmi

Mask opacity for object i

qki

Constant opacity for object i

qi

Result opacity after compositing object i

αsi

Source alpha for object i

αi

Result alpha after compositing object i

Csi

Source colour for object i

Ci

Result colour after compositing object i

BiCi1–Csi,()

Blend function for object i