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GMImage.GetCompressType

Queries the compression type.

Component Version macOS Windows Linux Server iOS SDK
GraphicsMagick 2.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "GMImage.GetCompressType"; ImageRef )   More

Parameters

Parameter Description Example
ImageRef The image reference number. 1

Result

Returns a number.

Description

Queries the compression type.
UndefinedCompression = 0, NoCompression = 1, BZipCompression = 2, FaxCompression = 3, Group4Compression = 4, JPEGCompression = 5, LosslessJPEGCompression = 6, LZWCompression = 7, RLECompression = 8, ZipCompression = 9

Examples

Shows compression:

Set Variable [ $image ; Value: MBS("GMImage.NewFromFile"; "/Users/cs/Desktop/image4.png") ]
Set Variable [ $value ; Value: MBS("GMImage.GetCompressType"; $image) ]
Show Custom Dialog [ "Compress type" ; $value ]
Set Variable [ $r ; Value: MBS("GMImage.Release"; $image) ]

See also

This function checks for a license.

Created 18th August 2014, last changed 17th April 2019


GMImage.GetCompose - GMImage.GetDebug

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