Module_CompressJPEG

Module: CompressJPEG

Status summary

Component	Section	32-bit	64-bit	Claimant	Source	Repo summary
CompressJPEG	ROM modules	-				not built in repo, not tested in repo

Development status

Completeness

Functionality	SWIs	Services	Uses Services	TOTAL
50.00%	50.00%	50.00%	50.00%	50.00%

Summary

CompressJPEG is the JPEG compression module, adapting the Independent JPEG Group codec to RISC OS module/SWI use. It is the compression-side counterpart to JPEG decoding/rendering components.

Documentation

URL: PRM

Relationships

Discovered features

• Has services
• Has services fast
• Has swis
• Is c
• Uses dynamic area

---

Provides

Functionality

In 32bit	In 64 bit	Interface
✅	🔲	Image conversion
✅	🔲	License info

Commands

None

SWIs

In 32bit	In 64 bit	Interface
✅	🔲	CompressJPEG_Start (&4A500)
✅	🔲	CompressJPEG_WriteLine (&4A501)
✅	🔲	CompressJPEG_Finish (&4A502)
✅	🔲	CompressJPEG_Comment (&4A503)
✅	🔲	CompressJPEG_WriteLineExtended (&4A504)
✅	🔲	CompressJPEG_5 (&4A505)
✅	🔲	CompressJPEG_6 (&4A506)
✅	🔲	CompressJPEG_7 (&4A507)
✅	🔲	CompressJPEG_8 (&4A508)
✅	🔲	CompressJPEG_9 (&4A509)
✅	🔲	CompressJPEG_10 (&4A50A)
✅	🔲	CompressJPEG_11 (&4A50B)
✅	🔲	CompressJPEG_12 (&4A50C)
✅	🔲	CompressJPEG_13 (&4A50D)
✅	🔲	CompressJPEG_14 (&4A50E)
✅	🔲	CompressJPEG_15 (&4A50F)
✅	🔲	CompressJPEG_Transcode (&4A510)

Services

In 32bit	In 64 bit	Interface
✅	🔲	Service_TaskManagerAcknowledgements

Vectors

None

Events

None

UpCalls

None

---

Issues calls to

Services

In 32bit	In 64 bit	Interface
✅	🔲	Service_TaskManagerAcknowledgements

Vectors

None

Events

None

UpCalls

None

Modules

• ColourTrans
• CompressJPEG
• ImageFileConvert
• MessageTrans
• SharedCLibrary