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DynaPDF.SetCompressionFilter

The function sets the compression filter which is used to compress images.

Component Version macOS Windows Linux Server FileMaker iOS SDK
DynaPDF 3.1 Yes Yes Yes Yes Yes
MBS( "DynaPDF.SetCompressionFilter"; PDF; Filter )   More

Parameters

Parameter Description Example
PDF The PDF reference returned from DynaPDF.New. $pdf
Filter The compression flter to use: Flate, JPEG, JP2K, CCITT3, CCITT4, LZW, LZWBW, FlateBW, JBIG2. "JPEG"

Result

Returns OK on success.

Description

The function sets the compression filter which is used to compress images.
1 bit and 4 bit images are always compressed with Flate independent of the current compression filter. The filters are described in detail at InsertImage in DynaPDF help file.

See also SetCompressionFilter function in DynaPDF manual.

Examples

Compress images with 75% JPEG compression:

MBS( "DynaPDF.SetCompressionFilter"; $PDF; "jpeg" )
MBS( "DynaPDF.SetJPEGQuality"; $PDF; 75 )

Disable compression for best results:

MBS( "DynaPDF.SetCompressionFilter"; $PDF; "flate" )

See also

Example Databases

Created 18th August 2014, last changed 31st August 2018


DynaPDF.SetColorSpace   -   DynaPDF.SetCompressionLevel

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