Format
Macintosh PICT Image
Summary
- Name
- Macintosh PICT Image
- Version
- 1.0
- Identifiers
-
- Apple Uniform Type Identifier: com.apple.pict
- MIME: image/x-pict
- PUID: x-fmt/80
- Format type
-
- Image (Raster)
- Image (Vector)
- Description
- A graphics format native to Macintosh computers encapsulating the functionality of QuickDraw 1 which supports monochrome bitmaps up to 32k in size.
- Format encoding
- Text
- Note
- http://justsolve.archiveteam.org/wiki/PICT
- File extensions
-
pct,pict - Submitted by
- Georgia Tech Research Institute / Georgia Tech Research Institute
- Developed by
- Apple Computer, Inc.
- Supported by
- Apple Computer, Inc.
Relationships
- Is previous version of
Internal signatures
Macintosh PICT Image 1.0 v1
- Description
- 512 byte header beginning with DRWG(MD|D2); At decimal location 522 (hex 20A) 1 byte opcode for “picversion” hex 11; next byte version number hex 01
- Provenance
- www.mactech.com/articles/mactech/Vol.03/03.10/MacDrawFiles/index.html www.umich.edu/~archive/mac/misc/documentation/macdrawformat.txt
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
44525747(4D44|4432){516}1101- Endianness
- None
Macintosh PICT Image 1.0 v2
- Description
- 512 byte header consisting of all nulls;At decimal location 522 (hex 20A) 1 byte opcode for “picversion” hex 11; next byte version number hex 01
- Provenance
- www.mactech.com/articles/mactech/Vol.03/03.10/MacDrawFiles/index.html www.umich.edu/~archive/mac/misc/documentation/macdrawformat.txt
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
000000000000{516}1101- Endianness
- None
Changelog
-
V118
- Release date
- 30 April 2024
-
Updated
Macintosh PICT Image 1.0: Description created and links added as part of PRONOM Research Week 2023. Submitted by Brigham Young University.
-
V69
- Release date
- 19 July 2013
-
Added signature
Macintosh PICT Image 1.0: Signature provided by Georgia Technology Research Institute.
-
V60
- Release date
- 11 June 2012
-
Updated
Macintosh PICT Image 1.0: Signature removed to avoid clashing with other puids/causing mis-identification.
-
V51
- Release date
- 15 July 2011
-
Added signature
Macintosh PICT Image 1.0: Signature submitted by Georgia Tech Research Institute, USA.
-
Updated
Macintosh PICT Image 1.0: Record title updated to distinguish different versions.