1995-2004
Spencer Kimball, Peter Mattis, Sven Neumann, William Skaggs
Edge detection with control of edge thickness
Applies two Gaussian blurs to the drawable, and subtracts the results. This is robust and widely used method for detecting edges.
unknown
Type | Name | Description |
---|---|---|
PF_INT | run-mode | The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) } |
PF_IMAGE | image | Input image |
PF_DRAWABLE | drawable | Input drawable |
PF_FLOAT | inner | Radius of inner gaussian blur (in pixels, > 0.0) |
PF_FLOAT | outer | Radius of outer gaussian blur (in pixels, > 0.0) |
PF_INT | normalize | Normalize { TRUE, FALSE } |
PF_INT | invert | Invert { TRUE, FALSE } |
None