main.js

// Worker thread to help with massive pixel processing.


self.onmessage = function(event) {

	if (event.data.hasOwnProperty("message")){

		var message = event.data.message;

		console.log("Worker got message ", event.data.message);

		if (message === "PIXEL_IMAGE_ARRAY"){

			var data = event.data.data;
			importScripts('pixelImage.js', 'pixelColor.js', 'utilities.js', 'settings.js');

			var pixImage = new pixelImage( data, cWidth, cHeight );

    	// Add this image to our image arrays
    	self.images.push( pixImage );

    	var workerMessage = {message: "PIXEL_LOADED" };
			self.postMessage( workerMessage );

		}else if (message === "ON_FINISH_LOADING"){

			importScripts('pixelImage.js', 'pixelColor.js', 'settings.js', 'walkPixels.js');

			var width = event.data.width;
			var orientation = event.data.orientation;

			self.pixelWeave = walkPixels( self.images, width, 20, orientation );

			var workerMessage = {message: "PIXEL_WEAVE", data: pixelWeave.pixels };
			self.postMessage( workerMessage );

		}else if (message === "SAVE_IMAGE"){

			if (self.pixelWeave){

				importScripts( 'settings.js' );

				var bigPixels = enlargePixels( self.pixelWeave, pixelEnlargeFactor );

				var workerMessage = {message: "ENLARGED", data: bigPixels };
				self.postMessage( workerMessage );

				// clear images
				self.images = [];

			}
		}else if (message === "NEW_SEARCH"){

			// clear images
				self.images = [];
		}
	}
};

self.images = [];