CreateFunctionShading(PdfColorSpace, PdfFunction, PdfRectangle, Matrix, PdfShadingOptions?) Method

Definition

Assembly Broadside.dll

Creates a function-based shading (Type 1): the colour of every point (x, y) of domain is the function's value there.

public PdfFunctionShading CreateFunctionShading(PdfColorSpace colorSpace, PdfFunction function, PdfRectangle domain, Matrix matrix, PdfShadingOptions? options)

Parameters

colorSpace: PdfColorSpace

The shading's colour space: a space of this document, not Pattern or Indexed.

function: PdfFunction

A function of this document from two inputs (x, y) to the colour space's components, defined over domain.

domain: PdfRectangle

The rectangle of (x, y) values the shading covers (Domain [x_min x_max y_min y_max]), in the shading's own space.

matrix: Matrix

The transformation from the domain's space to the shading's target space (Matrix); the identity is not written.

options: PdfShadingOptions

The optional entries (not ExtendStart or ExtendEnd); null for none.

Returns

PdfFunctionShading: The shading, a new indirect dictionary, as read back.

Remarks

ISO 32000-2 §8.7.4.5.2, Table 78 (PDF 1.3). Records PDF 1.3 and the function's version. A mutation.