GetImageRect(Int32,Int32,Int32,DecodingSettings,EventHandler<ProgressEventArgs>,EventHandler<IntermediateImageRequestEventArgs>) Method (PngDecoder)

In This Topic

Returns a scaled rectangle of raster image.

Syntax

'Declaration

Public Function GetImageRect( _
   ByVal pageIndexThe zero based page index.
 As System.Int32, _
   ByVal rectIndexThe zero based the rectangle index.
 As System.Int32, _
   ByVal scaleScale factor. Possible values: 1 - original image rect should be get; N - reduced image rect should be get.
 As System.Int32, _
   ByVal decodingSettingsThe decoding settings that should be used for decoding of page image.
 As DecodingSettings, _
   ByVal imageLoadingProgressDelegate of the image loading progress. Can be set to null (Nothing in Visual Basic).
 As System.EventHandler(Of ProgressEventArgs), _
   ByVal intermediateImageRequestDelegate for requesting intermediate image. Can be set to null (Nothing in Visual Basic)
 As System.EventHandler(Of IntermediateImageRequestEventArgs) _
) As Vintasoft.Imaging.VintasoftImage

public Vintasoft.Imaging.VintasoftImage GetImageRect(
   System.Int32 pageIndex, 
   System.Int32 rectIndex, 
   System.Int32 scale, 
   DecodingSettings decodingSettings, 
   System.EventHandler<ProgressEventArgs> imageLoadingProgress, 
   System.EventHandler<IntermediateImageRequestEventArgs> intermediateImageRequest
)

public: Vintasoft.Imaging.VintasoftImage* GetImageRect(
   System.Int32 pageIndex, 
   System.Int32 rectIndex, 
   System.Int32 scale, 
   DecodingSettings* decodingSettings, 
   System.EventHandler<ProgressEventArgs*>* imageLoadingProgress, 
   System.EventHandler<IntermediateImageRequestEventArgs*>* intermediateImageRequest
)

public:
Vintasoft.Imaging.VintasoftImage^ GetImageRect(
   System.Int32 pageIndex, 
   System.Int32 rectIndex, 
   System.Int32 scale, 
   DecodingSettings^ decodingSettings, 
   System.EventHandler<ProgressEventArgs^>^ imageLoadingProgress, 
   System.EventHandler<IntermediateImageRequestEventArgs^>^ intermediateImageRequest
)

Parameters

pageIndex: The zero based page index.
rectIndex: The zero based the rectangle index.
scale: Scale factor. Possible values: 1 - original image rect should be get; N - reduced image rect should be get.
decodingSettings: The decoding settings that should be used for decoding of page image.
imageLoadingProgress: Delegate of the image loading progress. Can be set to null (Nothing in Visual Basic).
intermediateImageRequest: Delegate for requesting intermediate image. Can be set to null (Nothing in Visual Basic)

Return Value

Scaled rectangle of image.

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

PngDecoder Class
PngDecoder Members

GetImageRectGrid(Int32,DecodingSettings)
GetImageRectScales(Int32,DecodingSettings)

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