Namespace org.pdfclown.documents.functions

Static, self-contained numerical transformations that represent parameterized classes of functions, including mathematical formulas and sampled representations with arbitrary resolution [PDF:1.6:3.9]. More...

Classes
class	Function
	Function [PDF:1.6:3.9]. More...
class	Functions
	List of 1-input functions combined in a stitching function [PDF:1.6:3.9.3]. More...
class	Type0Function
	Sampled function using a sequence of sample values to provide an approximation for functions whose domains and ranges are bounded [PDF:1.6:3.9.1]. More...
class	Type2Function
	Exponential interpolation of one input value and n output values [PDF:1.6:3.9.2]. More...
class	Type3Function
	Stitching function producing a single new 1-input function from the combination of the subdomains of several 1-input functions [PDF:1.6:3.9.3]. More...
class	Type4Function
	PostScript calculator function represented as a stream containing code written in a small subset of the PostScript language [PDF:1.6:3.9.4]. More...

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Static, self-contained numerical transformations that represent parameterized classes of functions, including mathematical formulas and sampled representations with arbitrary resolution [PDF:1.6:3.9].

Functions are used in various ways in PDF, including device-dependent rasterization information for high-quality printing (halftone spot functions and transfer functions), color transform functions for certain color spaces, and specification of colors as a function of position for smooth shadings.