Difference between revisions of "Image field"

Latest revision as of 23:25, 11 April 2023

EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects

Metadata Fields: Arclanguage - Base64 - Bigint - Boolean - Compound - Counter - Dataobjref - Date - Decimal - Email - Fields - Float - Id - Idci - Image - Int - Itemref - Keywords - Langid - Longtext - Longtext_counter - Multilang - Multipart - Name - Namedset - Pagerange - Recaptcha - Relation - Search - Secret - Set - Storable - Subject - Subobject - Text - Time - Timestamp - Url - Uuid

This field store images encoded as base64 data. This may be useful for logos, icons, avatars, etc.

As for Base64 fields except for:

Name	Default Value	Required	Description	Notes
maxwidth	`640`	NO	Maximum width in pixels of the stored image.
maxheight	`480`	NO	Maximum height in pixels of the stored image.

No additional phrases beyond those required for Base64 fields.

Image fields are stored in the database as

 fieldname LONGTEXT

Most basic example.

{
   name => 'picture',
   type => 'image',
}

Sets bespoke maximum width and height.

{
   name => 'icon',
   type => 'image',
   maxwidth => '64',
   maxheight => '64',
}

@@ Line 16: / Line 16: @@
 {| border="1" cellpadding="3" cellspacing="0"
-| name || default || description
+! Name !! Default Value !! Required || Description || Notes
 |-
-| '''maxwidth''' || 640 || '''Can be overridden in the field definition.'''
+| '''maxwidth''' || <tt>640</tt> || NO || Maximum width in pixels of the stored image. ||
 |-
-| '''maxheight''' || 480 || '''Can be overridden in the field definition.'''
+| '''maxheight''' || <tt>480</tt> || NO || Maximum height in pixels of the stored image. ||
 |}