Foxit PDF SDK for HarmonyOS  3.0
OptimizeScannedPDFSettings Class Reference
Inheritance diagram for OptimizeScannedPDFSettings:
NativeObjectWrapper

Public Member Functions

 constructor (other)
 Constructor, with another result information object. More...
 
 IsEmpty ()
 Check whether current object is empty or not. More...
 
 SetColorGrayImageCompressionMode (mode)
 Set compression mode used for optimizing color/gray images in the scanned PDF document. More...
 
 SetColorGrayImageCompressionQuality (quality)
 Set the quality for lossy compression modes, used for optimizing color/gray images in a scanned PDF document. More...
 
 SetMonoImageCompressionMode (mode)
 Set compression mode used for optimizing monochrome images in a scanned PDF document. More...
 
 SetOptimizedPages (pages)
 Set the pages which will be optimized. More...
 
- Public Member Functions inherited from NativeObjectWrapper
 constructor (r)
 
 GetPointerAsNumber ()
 

Static Public Attributes

static e_ScannedImageCompressHigh
 Enumeration for compression mode used for color or gray image. More...
 
static e_ScannedImageCompressjpeg
 Compression mode: jpeg.
 
static e_ScannedImageCompressjpeg2000LossLess
 Compression mode: jpeg2000 lossless.
 
static e_ScannedImageCompressjpeg2000Lossy
 Compression mode: jpeg2000 lossy.
 
static e_ScannedMonoImageCompressCCITT4
 Compression mode: CCITT Group 4.
 
static e_ScannedMonoImageCompressHigh
 Compression mode: high.
 
static e_ScannedMonoImageCompressjbig2LossLess
 Compression mode: jbig2 lossless.
 
static e_ScannedMonoImageCompressjbig2Lossy
 Enumeration for compression mode used for monochrome image. More...
 

Detailed Description

This class represents settings for optimizing a scanned PDF document. It would be used in class Optimizer.

See also
Optimizer
Examples
/Users/ec2-user/gitlab-runner/builds/E-xKdhDoq/0/foxit/sdk/mobile/gsdk-doc-auto-build/harmony_nodejs/input/Index.js.

Member Function Documentation

◆ constructor()

OptimizeScannedPDFSettings.constructor ( other  )

Constructor, with another result information object.

Parameters
[in]otherAnother optimizer settings object.

◆ IsEmpty()

OptimizeScannedPDFSettings.IsEmpty ( )

Check whether current object is empty or not.

When the current object is empty, that means current object is useless.

Returns
true means current object is empty, while false means not.

◆ SetColorGrayImageCompressionMode()

OptimizeScannedPDFSettings.SetColorGrayImageCompressionMode ( mode  )

Set compression mode used for optimizing color/gray images in the scanned PDF document.

For a newly constructed object, if this function is not called to set option, that means to use OptimizeScannedPDFSettings.e_ImageCompressjpeg as the default value of this option.

Parameters
[in]modeImage compression mode. Please refer to values starting from OptimizeScannedPDFSettings.e_ScannedImageCompressHigh and this should be one of these values.
Returns
None.

◆ SetColorGrayImageCompressionQuality()

OptimizeScannedPDFSettings.SetColorGrayImageCompressionQuality ( quality  )

Set the quality for lossy compression modes, used for optimizing color/gray images in a scanned PDF document.

For a newly constructed object, if this function is not called to set this option, that means to use 33 as the default value of this option.

Parameters
[in]qualityQuality value for lossy compression modes, the value must between 0 and 100.
Note
This method only valid in OptimizeScannedPDFSettings.e_ScannedImageCompressHigh and OptimizeScannedPDFSettings.e_ScannedImageCompressjpeg compress mode.
Returns
None.

◆ SetMonoImageCompressionMode()

OptimizeScannedPDFSettings.SetMonoImageCompressionMode ( mode  )

Set compression mode used for optimizing monochrome images in a scanned PDF document.

For a newly constructed object, if this function is not called to set option, that means to use OptimizeScannedPDFSettings.e_ScannedMonoImageCompressjbig2Lossy as the default value of this option.

Parameters
[in]modeImage compression mode. Please refer to values starting from OptimizeScannedPDFSettings.e_ScannedMonoImageCompressjbig2Lossy and this should be one of these values.
Returns
None.

◆ SetOptimizedPages()

OptimizeScannedPDFSettings.SetOptimizedPages ( pages  )

Set the pages which will be optimized.

For a newly constructed object,if this function is not called. all pages will be optimized.

Parameters
[in]pagesThe Specify pages, If pages doesn't not add pages index means all pages will be optimized.
Returns
None.

Member Data Documentation

◆ e_ScannedImageCompressHigh

OptimizeScannedPDFSettings.e_ScannedImageCompressHigh
static

Enumeration for compression mode used for color or gray image.

Values of this enumeration should be used alone.

Compression mode: high.

◆ e_ScannedMonoImageCompressjbig2Lossy

OptimizeScannedPDFSettings.e_ScannedMonoImageCompressjbig2Lossy
static

Enumeration for compression mode used for monochrome image.

Values of this enumeration should be used alone.

Compression mode: jbig2 lossy.