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- Properties specific to the description of gglEXIFTag variables
gglEXIFTag (Type of variable) In french: gglTagEXIF (Type de variable)
Warning
From January 2019, the functions for managing Google Picasa photo albums will no longer be available. Indeed, the corresponding Google API is no longer available from January 2019. It is necessary to use "Google Photo API".. This new API is accessible via AuthIdentify and HTTP requests. See https://developers.google.com/photos/library/guides/overview for more details.
The gglEXIFTag type is used to describe and modify the EXIF tags associated with a photo found in a Google Picasa album. The characteristics of this type of variable can be defined and modified by several WLanguage properties. This type of variable is used by the gglPhoto variables. Remark: See Declaring a variable for more details on the declaration of this type of variable and the use of WLanguage properties.
// Connection to Google Cnt is gglConnection Cnt..Email = "vince@gmail.com" Cnt..Password = "azerty" Cnt..ApplicationName = "MyApp-01" IF GglConnect(Cnt) = False THEN Error(ErrorInfo()) END
// Retrieve the array of available albums arrAlbum is array of gglAlbum arrAlbum = GglListAlbum(Cnt)
// Retrieve all the photos from the first album // (the meta-data only) GglFillAlbum(Cnt, arrAlbum[1], gglWithImage)
// Browse the photos MyPhoto is gglPhoto FOR EACH MyPhoto OF arrAlbum[1] Trace(MyPhoto..EXIFTag..ImageUniqueId) END
Remarks Properties specific to the description of gglEXIFTag variables The following properties can be used to handle the EXIF tags linked to a photo found in a Google Picasa album: | | | Name | Type used | Effect |
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Manufacturer | Character string | Make of the camera that took the photo. | Distance | Real | Distance from the subject expressed in meters. | Exposure | Real | Exposure time expressed in seconds. | Flash | Boolean | - True if the photo was taken with the flash,
- False otherwise.
| ImageUniqueIdentifier | Character string | Unique identifier of the photo. | ISO | Integer | Equivalent ISO value. | FocalLength | Real | Focal length expressed in millimeters. | Model | Character string | Model of camera that took the photo. | Aperture | Real | Aperture expressed in APEX. | Timestamp | Integer | Timestamp of the photo (number of milliseconds from January 1st 1970). | Remark: These properties can be used with one of the following syntaxes: - <Variable name>..<Property name>
- <Variable name>.<Property name>
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