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CGImageSource.Keys
Queries the list of keys for all the properties in the image source.
Component |
Version |
macOS |
Windows |
Linux |
Server |
iOS SDK |
CGImageSource
|
3.4 |
✅ Yes
|
❌ No
|
❌ No
|
✅ Yes, on macOS
|
✅ Yes
|
MBS( "CGImageSource.Keys"; Ref; Index )
More
Parameters
Result
Returns the list of keys or error message.
Description
Queries the list of keys for all the properties in the image source.
The list of keys varies depending on which image format is used and whether EXIF, IPTC or XMP metadata is available.
e.g. keys for a JPEG image:
{TIFF}.Software, {TIFF}.Orientation, {TIFF}.DateTime, {TIFF}.Artist, {TIFF}.Make, {TIFF}.Model, Depth, {IPTC}.Byline, {IPTC}.SpecialInstructions, {IPTC}.DigitalCreationDate, {IPTC}.DigitalCreationTime, {IPTC}.DateCreated, {IPTC}.TimeCreated, {IPTC}.StarRating, PixelHeight, {Exif}.ExifVersion, {Exif}.Flash, {Exif}.CameraOwnerName, {Exif}.LensModel, {Exif}.RecommendedExposureIndex, {Exif}.SubsecTimeOriginal, {Exif}.ExposureMode, {Exif}.LensSpecification, {Exif}.LensSerialNumber, {Exif}.FNumber, {Exif}.PixelYDimension, {Exif}.ApertureValue, {Exif}.FocalPlaneXResolution, {Exif}.MeteringMode, {Exif}.FocalPlaneResolutionUnit, {Exif}.ISOSpeedRatings, {Exif}.ExposureBiasValue, {Exif}.ShutterSpeedValue, {Exif}.SceneCaptureType, {Exif}.MaxApertureValue, {Exif}.CustomRendered, {Exif}.FocalLength, {Exif}.FocalPlaneYResolution, {Exif}.DateTimeOriginal, {Exif}.FlashPixVersion, {Exif}.SubsecTime, {Exif}.ColorSpace, {Exif}.PixelXDimension, {Exif}.SubsecTimeDigitized, {Exif}.SensitivityType, {Exif}.DateTimeDigitized, {Exif}.BodySerialNumber, {Exif}.ComponentsConfiguration, {Exif}.WhiteBalance, {Exif}.ExposureTime, {Exif}.ExposureProgram, {JFIF}.DensityUnit, {JFIF}.YDensity, {JFIF}.JFIFVersion, {JFIF}.XDensity, ProfileName, DPIWidth, {ExifAux}.LensID, {ExifAux}.SerialNumber, {ExifAux}.FlashCompensation, {ExifAux}.LensInfo, {ExifAux}.LensSerialNumber, {ExifAux}.LensModel, {ExifAux}.Firmware, DPIHeight, ColorModel, Orientation and PixelWidth.
Examples
Queries keys for an image:
Set Variable [ $img ; Value: MBS( "CGImageSource.CreateWithData"; test::input ) ]
Show Custom Dialog [ "Keys" ; MBS( "CGImageSource.Keys"; $img; 0) ]
Set Variable [ $r ; Value: MBS( "CGImageSource.Release"; $img ) ]
See also
Example Databases
Blog Entries
Created 18th August 2014, last changed 5th January 2018
CGImageSource.ImageAtIndex
-
CGImageSource.Properties
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