1995-1996
Spencer Kimball & Peter Mattis
Modify hue, lightness, and saturation in the specified drawable.
This procedure allows the hue, lightness, and saturation in the specified drawable to be modified. The 'hue-range' parameter provides the capability to limit range of affected hues. The 'overlap' parameter provides blending into neighboring hue channels when rendering.
unknown
Type | Name | Description |
---|---|---|
PF_DRAWABLE | drawable | The drawable |
PF_INT | hue-range | Range of affected hues { ALL-HUES (0), RED-HUES (1), YELLOW-HUES (2), GREEN-HUES (3), CYAN-HUES (4), BLUE-HUES (5), MAGENTA-HUES (6) } |
PF_FLOAT | hue-offset | Hue offset in degrees (-180 <= hue-offset <= 180) |
PF_FLOAT | lightness | Lightness modification (-100 <= lightness <= 100) |
PF_FLOAT | saturation | Saturation modification (-100 <= saturation <= 100) |
PF_FLOAT | overlap | Overlap other hue channels (0 <= overlap <= 100) |
None