Type |
Meaning |
---|---|
1 |
Defines a single halftone screen by a frequency, angle, and spot function. |
5 |
Defines an arbitrary number of halftone screens, one for each colorantor colour component (including both primary and spot colorants). The keys in this dictionary are names of colorants; the values are halftone dictionaries of other types, each defining the halftone screen for a single colorant. |
6 |
Defines a single halftone screen by a threshold array containing 8-bit sample values. |
10 |
Defines a single halftone screen by a threshold array containing 8-bit sample values, representing a halftone cell that may have a nonzero screen angle. |
16 |
(PDF 1.3) Defines a single halftone screen by a threshold array containing 16-bit sample values, representing a halftone cell that may have a nonzero screen angle. |