plug-in-neon

Spencer Kimball

Description

Simulate the glowing boundary of a neon light

Help

This filter works in a manner similar to the edge plug-in, but uses the first derivative of the gaussian operator to achieve resolution independence. The IIR method of calculating the effect is utilized to keep the processing time constant between large and small standard deviations.


Type

unknown

Parameters

Type Name Description
PF_INT run-mode The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }
PF_IMAGE image Input image (unused)
PF_DRAWABLE drawable Input drawable
PF_FLOAT radius Radius of neon effect (in pixels)
PF_FLOAT amount Effect enhancement variable (0.0 - 1.0)

Return

None