Image API Compliance, Version 3.0.0

https://iiif.io/api/image/3.0/compliance/#2-compliance

In the tables below indicates that support is required, and indicates that support is optional.

3. Image Parameters

3.1 Region

Syntax	Feature Name	Level 2	Compliance	Example
full			✅	open
x,y,w,h	regionByPx		✅	open
pct:x,y,w,h	regionByPct		✅	open
square	regionSquare		✅	open

3.2 Size

Syntax	Feature Name	Level 2	Compliance	Example
max			✅	open
w,	sizeByW		✅	open
,h	sizeByH		✅	open
pct:n	sizeByPct		✅	open
!w,h	sizeByConfinedWh		✅	open
w,h	sizeByWh		✅	open
^size	sizeUpscaling		❌	-

3.3 Rotation

Syntax	Feature Name	Level 2	Compliance	Example
0			✅	open
90,180,270	rotationBy90s		✅	open
arbitrary	rotationArbitrary		✅	open
!n	mirroring		✅	open

3.4 Quality

Syntax	Feature Name	Level 2	Compliance	Example
default			✅	open
color			✅	open
gray			✅	open
bitonal			✅	open

3.5 Format

Syntax	Feature Name	Level 2	Compliance	Example
jpg			✅	open
png			✅	open
tif			✅	open
gif			❌	-
pdf			❌	-
jp2			❌	-
webp			❌	-

4. HTTP Features

HTTP Feature	Feature Name	Level 2	Compliance	Example
base URI redirects	baseUriRedirect		✅	open
CORS	cors		✅	Tested with Postman
json-ld media type	jsonldMediaType		✅	See below
To test json-ld media type run this command in a terminal: curl -H "Accept: application/ld+json" https://discover.york.ac.uk/iiif/3/ark:/36941/823640/objects/826791/full/512,/0/default.jpg --output test-image.jpg
profile link header	profileLinkHeader		?	not tested
canonical link header	canonicalLinkHeader		?	not tested