Method MakeTransparent

Namespace: BitMiracle.Docotic.Pdf

Assembly: BitMiracle.Docotic.Pdf.dll

MakeTransparent(PdfColor)

Makes the specified color transparent for this PdfImage.

public void MakeTransparent(PdfColor color)

Parameters

color PdfColor: The color to make transparent.

Remarks

This method must not be called for mask images (i.e. for images with IsMask property equal to true).

color must be an instance of PdfRgbColor class.

This method does nothing for images with non-RGB color spaces.

Exceptions

UnexpectedStructureException: The value in the internal PDF structure has an unexpected type.
PdfException: color is not an instance of PdfRgbColor class.
InvalidOperationException: The image is a mask (IsMask is true) and therefore can not have transparent pixels.
ArgumentNullException: color is null.