1995-1996
Spencer Kimball & Peter Mattis
Modifies the intensity curve(s) for specified drawable.
Modifies the intensity mapping for one channel in the specified drawable. The channel can be either an intensity component, or the value. The 'points' parameter is an array of doubles which define a set of control points which describe a Catmull Rom spline which yields the final intensity curve. Use the 'gimp-curves-explicit' function to explicitly modify intensity levels.
unknown
Type | Name | Description |
---|---|---|
PF_DRAWABLE | drawable | The drawable |
PF_INT | channel | The channel to modify { HISTOGRAM-VALUE (0), HISTOGRAM-RED (1), HISTOGRAM-GREEN (2), HISTOGRAM-BLUE (3), HISTOGRAM-ALPHA (4), HISTOGRAM-RGB (5) } |
PF_INT | num-points | The number of values in the control point array (4 <= num-points <= 2048) |
unknown | points | The spline control points: { cp1.x, cp1.y, cp2.x, cp2.y, ... } |
None