png.es
v0.4.0
Published
ECMAScript compliant lightweight PNG editor
Downloads
50
Readme
png.es
ECMAScript compliant lightweight PNG editor
Support
|Function|BitDepth|TrueColor|GrayScale|Alpha|IndexedColor|Interlace| |:--|:--|:-:|:-:|:-:|:-:|:-:| |parse|1, 4, 6, 8|o|o|o|o|x| |pack|1, 4, 6, 8|o|o|o|x|x|
Distribution
npm
npm i png.es
files
Usage
parse
import { parse } from 'png.es';
const pngObject = parse(rawData); // Input type is Uint8Array
pack
import { PNG, pack, COLOR_TYPE } from 'png.es';
// 4px * 4px RGBA image
const pngObject = new PNG(4, 4, COLOR_TYPE.RGBA);
pngObject.setData([255, 255, ....]);
const uint8Array = pack(pngObject);
edit
import { parse, pack } from 'png.es';
const pngObject = parse(rawData);
pngObject.setPixel(2, 2, [255, 0, 0, 255] ); // Set red to x2y2
const uint8Array = pack(pngObject);