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path: root/public/js/palette.js
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$("#palette").load(function(){
	console.log("hello");
	var offset = $("#palette").offset();
	var paletteImg = $("#palette")[0];
	var palette = cq(paletteImg);
	var pattern, mask;
	var color = new Color( 0, 0, 0 );

	// $("body").append(palette.canvas);

	$("#palette").click(function(e){
		// they are all 8x8
		// the first one starts at (15, 5), next one is 16 pixels down or to the right
		// there are 16 rows and 6 columns, so 92 patterns total
		var point = new Point(e, offset);
		click(point);
	});
	var click = function(point) {
		point.subtract({ x: 15, y: 5 });
		point.quantize( 18, 16 );
		point.add({ x: 15, y: 5 });

		pattern = palette.clone().crop( point.x, point.y, 8, 8 );
		mask = pattern.colorToMask("#fff");
		pattern.applyMask(mask);
		patternURI = pattern.clone().blend( color.toString(), "screen", 1.0 ).canvas.toDataURL("image/png");
		document.body.style.backgroundImage = 'url(' + patternURI + ')';
	}

	var random = function(){
		var point = new Point(paletteImg.width, paletteImg.height).scale( Math.random(), Math.random() ).floor();
		click(point);
	}
	random();

	for (var i in colors) {
		var swatch = colors[i].swatch();
		document.body.appendChild(swatch);
		swatch.onclick = function(){
			color = $(this).data("color");
			p = cq(paletteImg);
			patternURI = pattern.clone().blend( color.toString(), "screen", 1.0 ).canvas.toDataURL("image/png");
			document.body.style.backgroundImage = 'url(' + patternURI + ')';
		}
	}
});