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Component: CGImageSource
MacOS Image loading functions to query metadata and thumbnails.
Can be used to get thumbnails from images or to query EXIF, IPTC or GPS metadata from images.
| Version | macOS | Windows | Linux | Server | iOS SDK |
| 3.4 / 13.0 | ✅ Yes | ❌ No | ❌ No | ✅ Yes, on macOS | ✅ Yes |
| Item | Details |
|---|---|
| CGImageSource.ClearProperties Clears all properties. | Mac/iOS 9.4 |
| CGImageSource.Count Queries number of images in this image source. | Mac/iOS 3.4 |
| CGImageSource.CreateWithData Creates an image source that reads from a container. | Mac/iOS 3.4 |
| CGImageSource.CreateWithPath Creates an image source that reads from a location specified by a Path. | Mac/iOS 3.4 |
| CGImageSource.CreateWithURL Creates an image source that reads from a location specified by a URL. | Mac/iOS 3.4 |
| CGImageSource.Export Exports the image as container value. | Mac/iOS 9.4 |
| CGImageSource.FileName Queries file name of the image. | Mac/iOS 9.4 |
| CGImageSource.HasProperty Query whether the property exists. | Mac/iOS 9.4 |
| CGImageSource.ImageAtIndex Returns the image associated with the specified index in an image source. | Mac/iOS 3.4 |
| CGImageSource.Keys Queries the list of keys for all the properties in the image source. | Mac/iOS 3.4 |
| CGImageSource.List Lists all IDs of image source objects. | Mac/iOS 13.0 |
| CGImageSource.Properties Queries all properties as JSON. | Mac/iOS 8.3 |
| CGImageSource.Property Queries the value of a property. | Mac/iOS 3.4 |
| CGImageSource.Release Closes image source and releases memory. | Mac/iOS 3.4 |
| CGImageSource.ReleaseAll Frees all CGImageSource objects. | Mac/iOS 10.5 |
| CGImageSource.SetProperty Sets the value for a property. | Mac/iOS 9.4 |
| CGImageSource.Status Return the status of an image source. | Mac/iOS 3.4 |
| CGImageSource.SupportedExportTypes Returns an array of uniform type identifiers (UTIs) that are supported for image destinations. | Mac/iOS 9.4 |
| CGImageSource.SupportedTypes Returns an array of uniform type identifiers (UTIs) that are supported for image sources. | Mac/iOS 3.4 |
| CGImageSource.ThumbnailAtIndex Creates a thumbnail image of the image located at a specified location in an image source. | Mac/iOS 3.4 |
| CGImageSource.Type Queries the type of the image source. | Mac/iOS 3.4 |
21 functions shown.
These functions require a license (86%).
Release notes
- Version 13.0
- Added CGImageSource.List function.
- Version 10.5
- Added CFunction.ReleaseAll, CGImageSource.ReleaseAll, CLibrary.ReleaseAll, DynaPDF.ReleaseAll, ECKey.ReleaseAll, FSEvents.ReleaseAll, MarkDown.ReleaseAll, MenuItem.ReleaseAll, SendMail.ReleaseAll, Shell.ReleaseAll, SmartCard.ReleaseAll, TouchBar.ReleaseAll, UserNotification.ReleaseAll, WMFP.ReleaseAll, WMIQuery.ReleaseAll and WindowsUserNotification.ReleaseAll.
- Version 10.3
- Added type parameter for CGImageSource.SetProperty function.
- Version 10.2
- Changed CGImageSource.SetProperty to write new metadata dictionaries.
- Version 10.0
- Changed CGImageSource.Property to return array or dictionary encoded as JSON.
- Version 9.4
- Added CGImageSource.ClearProperties function.
- Added CGImageSource.Export and CGImageSource.SupportedExportTypes functions to export image.
- Added CGImageSource.FileName function.
- Added CGImageSource.HasProperty and CGImageSource.SetProperty to set metadata (IPTC/EXIF) and write file back.
- Version 8.3
- Added CGImageSource.Properties function.
- Version 8.0
- Updated CGImageSource functions to work on iOS, e.g. to convert HEIF images.
Blog Entries
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