Interface: ExtGStateOptions
Graphics-state parameters for fill/stroke alpha and blend mode.
Emitted as an inline ExtGState entry referenced by the gs operator.
Properties
| Property | Type | Description |
|---|---|---|
blendMode? | PdfBlendMode | Blend mode applied to subsequent painting operations. Maps to /BM. |
fillAlpha? | number | Non-stroking (fill) alpha constant (0..1). Maps to /ca. |
softMask? | SoftMaskHandle | null | Soft mask reference. When provided, /SMask in the ExtGState references a Form XObject built via PdfDocument.createLuminositySoftMask. Pass null to set /SMask /None (clearing any active mask). |
strokeAlpha? | number | Stroking alpha constant (0..1). Maps to /CA. |