Creates a shading pattern (PatternType 2): a shading used as a colour, filling or stroking with it.
public PdfShadingPattern CreateShadingPattern(PdfShading shading, Matrix? matrix = default(Matrix? ))
A shading of this document with an indirect reference (every shading the factories above create has one).
The pattern matrix, from pattern space to the default space of the content stream that uses the pattern; null for the identity.
ISO 32000-2 §8.7.4.2, Table 76 (PDF 1.3), and §8.7.2. The shading's coordinates are in pattern space. Select it with SetFillPattern(PdfPattern) or SetStrokePattern(PdfPattern). Records PDF 1.3. A mutation.