PdfDCTDecodeFilter Class

The DCTDecode filter decodes grayscale or color image data that has been encoded in the JPEG baseline format.

Inheritance Hierarchy

SystemObject
SautinSoft.Pdf.FiltersPdfFilter
SautinSoft.Pdf.FiltersPdfDCTDecodeFilter

Namespace: SautinSoft.Pdf.Filters
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2024.11.26

Syntax

public sealed class PdfDCTDecodeFilter : PdfFilter

Public NotInheritable Class PdfDCTDecodeFilter
	Inherits PdfFilter

The PdfDCTDecodeFilter type exposes the following members.

Constructors

	Name	Description
	PdfDCTDecodeFilter	Initializes a new instance of the PdfDCTDecodeFilter class

Properties

	Name	Description
	ColorTransform	A value specifying the transformation that shall be performed on the sample values: 0 No transformation. 1 If the image has three color components, RGB values shall be transformed to YUV before encoding and from YUV to RGB after decoding. If the image has four components, CMYK values shall be transformed to YUVK before encoding and from YUVK to CMYK after decoding. This option shall be ignored if the image has one or two color components. Default value: if the image has three components; otherwise, .
	FilterType	Gets the DCTDecode value. (Overrides PdfFilterFilterType)

Name

Description

A value specifying the transformation that shall be performed on the sample values:

0: No transformation.
1: If the image has three color components, RGB values shall be transformed to YUV before encoding and from YUV to RGB after decoding. If the image has four components, CMYK values shall be transformed to YUVK before encoding and from YUVK to CMYK after decoding. This option shall be ignored if the image has one or two color components.

Default value: if the image has three components; otherwise, .

Gets the DCTDecode value.
(Overrides PdfFilterFilterType)