Creates a radial shading (Type 3) coloured by a function of the caller's from one circle to another.
public PdfRadialShading CreateRadialShading(PdfColorSpace colorSpace, PathPoint startCenter, double startRadius, PathPoint endCenter, double endRadius, PdfFunction function, PdfShadingOptions? options)
The shading's colour space: a space of this document, not Pattern or Indexed.
The centre of the circle where the function's domain starts.
Its radius: 0 or more.
The centre of the circle where it ends.
Its radius: 0 or more.
A function of this document from one input to the colour space's components; its domain is the shading's Domain.
The optional entries; null for none.
ISO 32000-2 §8.7.4.5.4, Table 80 (PDF 1.3). Records PDF 1.3 and the function's version. A mutation.