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CGImageSource.HasProperty
Query whether the property exists.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| CGImageSource | 9.4 | ✅ Yes | ❌ No | ❌ No | ✅ Yes, on macOS | ✅ Yes |
MBS( "CGImageSource.HasProperty"; Ref; Index; Key ) More
Parameters
| Parameter | Description | Example |
|---|---|---|
| Ref | The image source reference number returned by CGImageSource.CreateWithData, CGImageSource.CreateWithPath or CGImageSource.CreateWithURL | $ref |
| Index | The index of the image to query. -1 for global properties. Else a number from 0 to CGImageSource.Count-1. | 0 |
| Key | The property name to query. | "PixelWidth" |
Result
Returns 1, 0 or error.
Description
Query whether the property exists.Returns 1 if property is found.
See also
- CGImageSource.ClearProperties
- CGImageSource.Count
- CGImageSource.CreateWithData
- CGImageSource.CreateWithPath
- CGImageSource.CreateWithURL
- CGImageSource.Properties
- CGImageSource.Property
- CGImageSource.SetProperty
Release notes
- Version 9.4
- Added CGImageSource.HasProperty and CGImageSource.SetProperty to set metadata (IPTC/EXIF) and write file back.
Blog Entries
This function checks for a license.
Created 30th August 2019, last changed 28th November 2019
