Apple Icon Image format parser and builder
npm install @fiahfy/icns> Apple Icon Image format parser and builder.
``bash`
npm install @fiahfy/icns
`js
import fs from 'fs'
import { Icns } from '@fiahfy/icns'
const buf = fs.readFileSync('icon.icns')
const icns = Icns.from(buf)
const imagesAsBuffers = icns.images.map((icon) => icon.image)
`
Note that the images may be encoded in different file formats, in accordance with Apple's _icon type_ specifications.
`js
import fs from 'fs'
import { Icns, IcnsImage } from '@fiahfy/icns'
const icns = new Icns()
let buf, image
buf = fs.readFileSync('512x512.png')
image = IcnsImage.fromPNG(buf, 'ic09')
icns.append(image)
buf = fs.readFileSync('1024x1024.png')
image = IcnsImage.fromPNG(buf, 'ic10')
icns.append(image)
/ Some other PNG files /
fs.writeFileSync('icon.icns', icns.data)
`
#### static from(buffer)
Create ICNS from the icon buffer.
##### buffer
Type: Buffer
The ICNS icon buffer.
#### append(image)
Adds ICNS image at the end.
##### image
Type: IcnsImage
The ICNS Image to append.
#### insert(image, index)
Inserts ICNS image at the specified position.
##### image
Type: IcnsImage
The ICNS Image to insert.
##### index
Type: number
The position at which to insert the ICNS Image.
#### remove(index)
Removes ICNS image at the specified position.
##### index
Type: number
The position of the ICNS Image to remove.
#### fileHeader
Type: IcnsFileHeader
Return the file header on the ICNS.
#### images
Type: IcnsImage[]
Return the ICNS images on the ICNS.
#### data
Type: Buffer
Return the ICNS buffer.
#### static from(buffer)
Create ICNS image from the buffer.
##### buffer
Type: Buffer
The ICNS image buffer.
#### static fromPNG(buffer, osType)
Create ICNS Image from the PNG image buffer.
##### buffer
Type: Buffer
The PNG image buffer.
##### osType
Type: OSType
The icon OSType.
#### static from(buffer)
Create ICNS file header from the buffer.
##### buffer
Type: Buffer`
The ICNS file header buffer.
| OSType | OS Version | Size | Description |
| ------ | ---------- | ---- | --------------------------------------------------------------------- |
| is32 | 8.5 | 16 | 16×16 24-bit icon |
| il32 | 8.5 | 32 | 32x32 24-bit icon |
| ih32 | 8.5 | 48 | 48×48 24-bit icon |
| it32 | 10.0 | 128 | 128x128 24-bit icon |
| s8mk | 8.5 | 16 | 16x16 8-bit mask |
| l8mk | 8.5 | 32 | 32×32 8-bit mask |
| h8mk | 8.5 | 48 | 48×48 8-bit mask |
| t8mk | 10.0 | 128 | 128x128 8-bit mask |
| ic04 | | 16 | 16x16 ARGB |
| ic05 | | 32 | 32x32 ARGB |
| icp4 | 10.7 | 16 | 16x16 icon in PNG format |
| icp5 | 10.7 | 32 | 32x32 icon in PNG format |
| icp6 | 10.7 | 64 | 64x64 icon in PNG format |
| ic07 | 10.7 | 128 | 128x128 icon in PNG format |
| ic08 | 10.5 | 256 | 256×256 icon in PNG format |
| ic09 | 10.5 | 512 | 512×512 icon in PNG format |
| ic10 | 10.7 | 1024 | 1024×1024 in 10.7 (or 512x512@2x "retina" in 10.8) icon in PNG format |
| ic11 | 10.8 | 32 | 16x16@2x "retina" icon in PNG format |
| ic12 | 10.8 | 64 | 32x32@2x "retina" icon in PNG format |
| ic13 | 10.8 | 256 | 128x128@2x "retina" icon in PNG format |
| ic14 | 10.8 | 512 | 256x256@2x "retina" icon in PNG format |