png-image

PNG-Image

Crop and save PNGs

##Installation

Install this module locally with the following command:

npm install png-image

Save to dependencies or dev-dependencies:

npm install --save png-image
npm install --save-dev png-image

##Usage

Can run node-style (callbacks) or with promises as below.

Example:

var PNGImage = require('png-image')

var pngImage = new PNGImage({
    imagePath: './imageA.png',
    imageOutputPath: "./imageB.png",
    cropImage: {x: 0, y: 0, width: 40, height: 40}
});

pngImage.run(function (err) {
    if (err) {
        console.log(err);
    } else {
        console.log("OK");
    }
});

pngImage.runWithPromise().then(function () {
    console.log("OK");
});

###Parameters:

• imagePath Defines path of the image input file.
• imageOutputPath Defines path of the image output file.
• imageCrop Cropping object for image (default: none).

###Dependencies

• pngjs
• promise

##License

The MIT License

Copyright 2016 Koola.