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CGImageSource.Status

Return the status of an image source.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
CGImageSource 3.4 Yes No Yes, macOS only No No

MBS( "CGImageSource.Status"; Ref { ; Index } )

Parameters

Parameter Description Example value
Ref The image source reference number returned by CGImageSource.CreateWithData, CGImageSource.CreateWithPath or CGImageSource.CreateWithURL $ref
Index Optional
The index of the image to query. -1 for global properties. Else a number from 0 to CGImageSource.Count-1.
0

Result

Returns status number or error message.

Description

Return the status of an image source.

Possible status values:
kCGImageStatusUnexpectedEOF-5The end of the file was encountered unexpectedly.
kCGImageStatusInvalidData-4The data is not valid.
kCGImageStatusUnknownType-3The image is an unknown type.
kCGImageStatusReadingHeader-2In the process of reading the header.
kCGImageStatusIncomplete-1The operation is not complete
kCGImageStatusComplete0The operation is complete.

Examples

Checks status:

Set Variable [ $img ; Value: MBS( "CGImageSource.CreateWithData"; test::input ) ]
Show Custom Dialog [ "Status" ; MBS( "CGImageSource.Status"; $img; 0) ]
Set Variable [ $r ; Value: MBS( "CGImageSource.Release"; $img ) ]

See also


CGImageSource.Release   -   CGImageSource.SupportedTypes

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Links
MBS Xojo tutorial videos