1995-1996
Spencer Kimball & Peter Mattis
Sets if the specified image's image component is active.
This procedure sets if the specified image's image component (i.e. Red, Green, Blue intensity channels in an RGB image) is active or inactive -- whether or not it can be modified. If the specified component is not valid for the image type, an error is returned.
unknown
Type | Name | Description |
---|---|---|
PF_IMAGE | image | The image |
PF_INT | component | The image component { RED-CHANNEL (0), GREEN-CHANNEL (1), BLUE-CHANNEL (2), GRAY-CHANNEL (3), INDEXED-CHANNEL (4), ALPHA-CHANNEL (5) } |
PF_INT | active | Component is active (TRUE or FALSE) |
None