pgner

PNG compression and optimization for Node.js, from a base64 buffer, on windows, linux, mac.

Installing

npm install pnger

Usage

var pnger = require('pnger');
var saveFilePath = __dirname + '/myfile.png';

var options = {
	// required
	buffer: myBase64Utf8PngBuffer,
	output: saveFilePath

	// optional
	quality: '60-80', // '0-100'
	speed: '5', // between 0 and 10
	optimize: '3', // between 1 and 7

	uid: 0
};

pnger(options, function (err) {
	if (err) {
		console.error(err);
	}
	// your file is saved at saveFilePath
});

Options

See source jsdoc on settings.

nodewebkit support

Tested cross platform on nodewebkit.

Build platform

pnger builds on any platform, runs on any platform. So it can be prebuilt on your mac and deployed elsewhere.

License

All included software is copyrighted and protected by the respective developers.

This project is licensed under the MIT license, copyright (c) Jeff Parrish:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.