index.js
function PNGImage (image) {
	image.on('error', function (err) {
		PNGImage.log(err.message);
	});
	this._image = image;
}
function PNGImage (image) {
	image.on('error', function (err) {
		PNGImage.log(err.message);
	});
	this._image = image;
}
function PNGImage ( image ) { image . on ( 'error' , function ( err ) { PNGImage . log ( err . message ) ; } ) ; this . _image = image ; }
PNGjs-image class

@class PNGImage
@submodule Core
@param {PNG} image png-js object
@constructor
PNGjs - image class