ILBM
From Just Solve the File Format Problem
(Difference between revisions)
(Created page with "{{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|iff}} {{ext|lbm}}<br> {{ext|ilbm}} |pronom={{PRONOM|fmt/338}} }} == Overview == '''ILBM''' (or '''IFF-IL...") |
(Add info about HAM and HALFBRITE varieties) |
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The ASCII strings "<code>FORM</code>", "<code>ILBM</code>", and "<code>BMHD</code>" appear near the beginning of the file. | The ASCII strings "<code>FORM</code>", "<code>ILBM</code>", and "<code>BMHD</code>" appear near the beginning of the file. | ||
| − | == | + | == Special types of ILBM == |
| − | + | ||
| − | + | === HAM === | |
| + | HAM images are designed to work with the Amiga's ''Hold-And-Modify'' display mode. HAM files should contain a "CAMG" chunk with a particular flag set. Images have a maximum of 4096 colors. | ||
| − | + | === HAM8 === | |
| + | HAM8 is a variant of HAM, designed to work with a display mode available on some Amigas. Images have a maximum of 262,144 colors. | ||
| + | |||
| + | === HALFBRITE === | ||
| + | HAM images are designed to work with the Amiga's ''Halfbrite'' display mode. HALFBRITE files should contain a "CAMG" chunk with a particular flag set. Images have a maximum of 64 colors. | ||
| + | |||
| + | == See also == | ||
| + | * [[IFF-PBM]] (Planar BitMap) | ||
== Software == | == Software == | ||
| Line 26: | Line 33: | ||
== Resources == | == Resources == | ||
| − | * [[Wikipedia:ILBM|Wikipedia | + | * [[Wikipedia:ILBM|Wikipedia: ILBM]] |
* [http://www.shikadi.net/moddingwiki/LBM_Format ModdingWiki article] | * [http://www.shikadi.net/moddingwiki/LBM_Format ModdingWiki article] | ||
| + | * [http://www.textfiles.com/programming/AMIGA/iff.txt Intro to Amiga IFF ILBM Files and Amiga Viewmodes] | ||
| + | * [http://www.fileformat.info/format/iff/egff.htm IFF File Format Summary] | ||
| + | * [[Wikipedia:Hold-And-Modify|Wikipedia: Hold-And-Modify]] | ||
| + | * [[Wikipedia:Amiga Halfbrite mode|Wikipedia: Amiga Halfbrite mode]] | ||
Revision as of 22:59, 1 April 2013
Contents |
Overview
ILBM (or IFF-ILBM, or LBM) is a raster image file format, based on the IFF container format. ILBM stands for InterLeaved BitMap.
Identification
The ASCII strings "FORM", "ILBM", and "BMHD" appear near the beginning of the file.
Special types of ILBM
HAM
HAM images are designed to work with the Amiga's Hold-And-Modify display mode. HAM files should contain a "CAMG" chunk with a particular flag set. Images have a maximum of 4096 colors.
HAM8
HAM8 is a variant of HAM, designed to work with a display mode available on some Amigas. Images have a maximum of 262,144 colors.
HALFBRITE
HAM images are designed to work with the Amiga's Halfbrite display mode. HALFBRITE files should contain a "CAMG" chunk with a particular flag set. Images have a maximum of 64 colors.
See also
- IFF-PBM (Planar BitMap)
