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CGImageSource.Export

Exports the image as container value.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
CGImageSource 9.4 Yes No Yes, macOS only No Yes
MBS( "CGImageSource.Export"; Ref; FileName )   More

Parameters

Parameter Description Example value
Ref The image source reference number returned by CGImageSource.CreateWithData, CGImageSource.CreateWithPath or CGImageSource.CreateWithURL $ref
FileName The file name to use.
If empty, we use the name of the loaded image.
Falls back to export.jpg if no name is provided.
Image destination is defined by file type from file name.
"test.jpg"

Result

Returns container value or error.

Description

Exports the image as container value.
Uses the image compression based on the file name used.
If possible, we move through data without recompressing image.

Use Container.WriteFile to write the image to a disk file.

Examples

Changes some metadata and exports image:

Set Variable [ $ref ; Value: MBS("CGImageSource.CreateWithData"; CGImageSource::ImageFile) ]
Set Variable [ $keys ; Value: MBS( "CGImageSource.SetProperty"; $ref; 0; "{IPTC}.Keywords"; "House,Garden" ) ]
Set Variable [ $keys ; Value: MBS( "CGImageSource.SetProperty"; $ref; 0; "{IPTC}.Caption/Abstract"; "House with garden" ) ]
Set Variable [ $keys ; Value: MBS( "CGImageSource.SetProperty"; $ref; 0; "{TIFF}.ImageDescription"; "House with garden" ) ]
Set Variable [ $Image ; Value: MBS("CGImageSource.Export"; $ref) ]
Set Field [ CGImageSource::output ; $image ]
Set Variable [ $r ; Value: MBS("CGImageSource.Release"; $ref) ]

See also

Blog Entries

Release notes

Created 30th August 2019, last changed 12nd September 2019


CGImageSource.CreateWithURL   -   CGImageSource.FileName

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