ifImageMetadata
Implemented by
| Name | Description |
|---|---|
| roImageMetadata | The roImageMetadata component provides developers access to image file metadata included in many .jpg EXIF headers |
Supported methods
SetUrl(url as String) as Void
Description
Sets the URL to the image. Only file URLs are supported
Parameters
| Name | Type | Description |
|---|---|---|
| url | String | The URL of the image. |
GetMetadata() as Object
Description
Returns a set of simple and common image metadata
Return Value
An associative array containing the following key-value pairs with image metadata:
| Name | Type | Description |
|---|---|---|
| width | Integer | Width of the image in pixels |
| height | Integer | Height of the image in pixels |
| orientation | String |
|
| datetime | roDateTime | The creation time of the image such as the time a photo was taken |
| comment | String | User specified comment string. This is often referred to as a caption |
GetThumbnail() as Object
Description
Returns a thumbnail image if one is embedded in the image metadata and the corresponding associative array with image data. This only generates a thumbnail if one exists.
Return Value
An associative array that with bytes and type keys with the image data:
| Name | Type | Description |
|---|---|---|
| bytes | roByteArray | The image data |
| Type | Integer | The type of image, which is most likely "image/jpeg", but could also be "image/png". |
GetRawExif() as Object
Description
Returns all of the raw EXIF metadata.
Return Value
An associative array with all of the raw EXIF metadata. See the EXIF section for details about EXIF metadata.
GetRawExifTag(ifd as Integer, tagnum as Integer) as Dynamic
Description
Returns the raw data for an Exif tag. The method provides direct access to a specific raw EXIF tag
Parameters
| Name | Type | Description |
|---|---|---|
| ifd | Integer | The ifd of the Exif tag. |
| tagnum | Integer | The tag number of the Exif tag. |
Return Value
The raw data of an Exif tag. It the Exif tag doesn't exist it returns invalid.
Updated 3 months ago