Image field

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

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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 - Recaptcha3 - Relation - Search - Secret - Set - Storable - Subject - Subobject - Text - Time - Timestamp - Url - Uuid

Description

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

Inheritance

• Metadata field
  • Text field
    • Longtext field
      • Base64 field
        • Image field

Additional Properties

As for Base64 fields except for:

name	default	description
maxwidth	640	'Can be overridden in the field definition.
maxheight	480	Can be overridden in the field definition.

Required Phrases

No additional phrases beyond those required for Base64 fields.

Database

Image fields are stored in the database as

 fieldname LONGTEXT

API

See API page.

Examples

Most basic example.

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

Sets bespoke maximum width and height.

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