title: PremultOFX
media types:
Video experimental
description: Multiply the selected channels by alpha (or another channel).
If no channel is selected, or the premultChannel is set to None, the image data is left untouched, but its premultiplication state is set to PreMultiplied. See also: https://web.archive.org/web/20210413043727/http://opticalenquiry.com/nuke/index.php?title=Premultiplication
version: 2
creator: mr.fantastic mrfantastic@firemail.cc
license: GPLv2
URL: https://openeffects.org/
title: R
description:
Multiply the red channel.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: G
description:
Multiply the green channel.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: B
description:
Multiply the blue channel.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: A
description:
Multiply the alpha channel.
type: boolean
readonly: no
required: no
animation: yes
default: 0
title: Top-Left Origin
description:
Set to 1 to use MLT top-left image origin instead of the OFX bottom-left origin. Use for plugins that crash or produce incorrect output with negative row bytes.
type: boolean
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
widget: checkbox
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