Double the size of an image with pure JavaScript

double-size-image.js

var inImage = new SimpleImage( "yourimage.png" );

print( inImage );

var outImage = new SimpleImage( inImage.getWidth() *2, inImage.getHeight() *2 );

for ( var pixel of outImage.values() ) {
    
    var x = Math.floor( pixel.getX() /2 );
    var y = Math.floor( pixel.getY() /2 );
    
    var inPixel = inImage.getPixel( x, y );
    
    pixel.setRed( inPixel.getRed() );
    pixel.setGreen( inPixel.getGreen() );
    pixel.setBlue( inPixel.getBlue() );
    
}

print( outImage );