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Ilia Sharin c6f6253ea0 docs(amiga): add comprehensive .info icon format article with real icon examples

New article covering all five icon format generations:
- Old-Style (OS 1.0, 4-color planar)
- MagicWB (Stefan Stuntz, 8-color standardized palette)
- NewIcons (Nicola Salmoria, 256-color ASCII in ToolTypes)
- ColorIcons (OS 3.5, FORM ICON IFF with palette chunky)
- GlowIcons/PNG (OS 3.5+, NeXTSTEP-inspired, ARMS chunks)

Includes binary layout specs, API reference, 5 practical examples
(C + Python), decision guide, historical timeline, and real icon
images extracted from actual .info files across all formats.

2026-07-15 18:51:18 -04:00

3.2 KiB

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Common Libraries — Overview

Shared libraries beyond the core exec/dos/graphics/intuition subsystems. These provide utility functions, file format parsing, hardware expansion support, and Workbench integration.

Section Index

File	Description
utility.md	TagItem lists with chaining (TAG_MORE), callback hooks (register convention), date/time utilities, tag iteration patterns
expansion.md	Zorro II/III bus architecture, AutoConfig ROM layout, board enumeration, FPGA implementation notes
icon.md	Workbench icons (.info): DiskObject structure, ToolType parsing, icon types, OS 3.5+ true-color icons
icon_format.md	Icon file binary format deep dive: .info byte layout (DiskObject, Gadget, Image structs), MagicWB 8-color palette standard, NewIcons ASCII encoding, OS 3.5 ColorIcons (FORM ICON IFF), GlowIcons/PNG (ARMS chunk), NeXTSTEP design influence, historical timeline, create/read/edit examples, Python extraction, cross-platform format detection
workbench.md	Workbench integration: WBStartup handling, AppWindow drag-and-drop, AppIcon, AppMenuItem
iffparse.md	IFF file parsing: ILBM/8SVX/ANIM, nested chunk hierarchy, ByteRun1 compression, PBM planar deinterleaving, clipboard integration, decision guide vs DataTypes
locale.md	Internationalization: catalog system (.cd/.ct files), locale-aware date/number formatting, character classification
keymap.md	Keyboard mapping: raw-to-ASCII translation, KeyMap structure, dead keys, rawkey codes, national layouts
rexxsyslib.md	ARexx scripting: hosting ARexx ports, command parsing, sending commands, return codes
arexx_integration.md	ARexx integration guide: exposing app features, dispatch tables, antipatterns, cookbook
mathffp.md	Motorola FFP and IEEE 754 floating point
layers.md	Window clipping: ClipRect engine, Simple/Smart/Super refresh, damage repair, backfill hooks, layer locking, LVO API reference, 4 antipatterns, ClipBlit vs ScrollRaster optimization, 7 FAQ
diskfont.md	Bitmap fonts deep dive: .font file format (FontContentsHeader), font descriptor files (DiskFontHeader), glyph bitmap layout, FONTS: assign, adding/installing fonts, bitmap vs TrueType/OpenType comparison, color fonts (OS 3.0+), Compugraphic outline fonts, AvailFonts enumeration, font loading pipeline
datatypes.md	DataTypes system: object-oriented file loading for images, sound, text, animation via BOOPSI classes
amigaguide.md	AmigaGuide hypertext help system: database format, @commands, API, ARexx integration, cross-database linking
translator.md	translator.library: English-to-phonetic translation for speech synthesis, narrator.device integration, ARPABET phonemes
ahi_programming.md	AHI retargetable audio: 16-bit multi-channel playback, software mixing, sample loading, streaming hooks, SFX cookbooks, 4 antipatterns, FPGA/MiSTer impact, modern analogies, 7 FAQ

3.2 KiB Raw Blame History

Common Libraries — Overview

Section Index

3.2 KiB

Raw Blame History