CatPrintColor (Enumeration)

enum CatPrintColor {
  catColorTrueColor,
  catColorGreyScale,
  catColorMonochrome
}
Color Appearance.
It is used by the object for document printing.
Values:
catColorTrueColor
The three components red, green and blue are used.
catColorGreyScale
The grey scale color is obtain by the formula : 0.3f*red + 0.59f*green + 0.11f*blue.
catColorMonochrome
Only black or white color.