CanReadImageRegion(Int32,Int32,DecodingSettings) Method (WsiDecoderBase)

In This Topic

Returns a value indicating whether decoder can read a region of the image.

Syntax

'Declaration

Public Function CanReadImageRegion( _
   ByVal scaleScale factor. Possible values: 1 - original image rect should be get; N - reduced image rect should be get.
 As System.Int32, _
   ByVal pageIndexThe zero based page index.
 As System.Int32, _
   ByVal decodingSettingsThe decoding settings that should be used for decoding of page image.
 As DecodingSettings _
) As Boolean

public bool CanReadImageRegion(
   System.Int32 scale, 
   System.Int32 pageIndex, 
   DecodingSettings decodingSettings
)

public: bool CanReadImageRegion(
   System.Int32 scale, 
   System.Int32 pageIndex, 
   DecodingSettings* decodingSettings
)

public:
bool CanReadImageRegion(
   System.Int32 scale, 
   System.Int32 pageIndex, 
   DecodingSettings^ decodingSettings
)

Parameters

scale: Scale factor. Possible values: 1 - original image rect should be get; N - reduced image rect should be get.
pageIndex: The zero based page index.
decodingSettings: The decoding settings that should be used for decoding of page image.

Return Value

True if decoder can read a region of the image;
false if decoder can read only rectangle of the image.

Remarks

Region represents a rectangular region on the image and composed from a sequence of rectangles.

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

WsiDecoderBase Class
WsiDecoderBase Members

Send Feedback