// !!! TODO Depricated remove
function jg_effect_desaturate(src) {
	var supportsCanvas = !!document.createElement('canvas').getContext;
	if (supportsCanvas) {
		var canvas = document.createElement('canvas'),
			context = canvas.getContext('2d'),
			imageData,
			px,
			length,
			i = 0,
			gray,
			img = new Image();

		img.src = src;
		canvas.width = img.width;
		canvas.height = img.height;
		context.drawImage(img, 0, 0);

		imageData = context.getImageData(0, 0, canvas.width, canvas.height);
		px = imageData.data;
		length = px.length;

		for (; i < length; i += 4) {
			gray = px[i] * 0.3 + px[i + 1] * 0.59 + px[i + 2] * 0.11;
			px[i] = px[i + 1] = px[i + 2] = gray;
		}

		context.putImageData(imageData, 0, 0);
		return canvas.toDataURL();
	} else {
		return src;
	}
}

function jg_effect_threshold(src) {
	var supportsCanvas = !!document.createElement('canvas').getContext;
	if (supportsCanvas) {
		var canvas = document.createElement('canvas'),
			context = canvas.getContext('2d'),
			imageData,
			px,
			length,
			i = 0,
			gray,
			img = new Image();

		img.src = src;
		canvas.width = img.width;
		canvas.height = img.height;
		context.drawImage(img, 0, 0);

		imageData = context.getImageData(0, 0, canvas.width, canvas.height);
		px = imageData.data;
		length = px.length;

		threshold = 120;

		for (var i = 0; i < length; i += 4) {
			var r = px[i];
			var g = px[i + 1];
			var b = px[i + 2];
			var v = 0.2126 * r + 0.7152 * g + 0.0722 * b >= threshold ? 255 : 0;
			px[i] = px[i + 1] = px[i + 2] = v;
		}

		context.putImageData(imageData, 0, 0);
		return canvas.toDataURL();
	} else {
		return src;
	}
}

function jg_effect_blur(src) {
	var supportsCanvas = !!document.createElement('canvas').getContext;
	if (supportsCanvas) {
		var canvas = document.createElement('canvas'),
			context = canvas.getContext('2d'),
			imageData,
			px,
			length,
			i = 0,
			gray,
			top_x = 0,
			top_y = 0,
			radius = 30,
			iterations = 1;
		img = new Image();

		img.src = src;
		canvas.width = img.width;
		canvas.height = img.height;
		context.drawImage(img, 0, 0);

		var imageData;
		var width = img.width;
		var height = img.height;

		imageData = context.getImageData(top_x, top_y, width, height);
		var pixels = imageData.data;

		var rsum, gsum, bsum, asum, x, y, i, p, p1, p2, yp, yi, yw, idx;
		var wm = width - 1;
		var hm = height - 1;
		var wh = width * height;
		var rad1 = radius + 1;

		var r = [];
		var g = [];
		var b = [];

		var mul_sum = mul_table[radius];
		var shg_sum = shg_table[radius];

		var vmin = [];
		var vmax = [];

		while (iterations-- > 0) {
			yw = yi = 0;

			for (y = 0; y < height; y++) {
				rsum = pixels[yw] * rad1;
				gsum = pixels[yw + 1] * rad1;
				bsum = pixels[yw + 2] * rad1;

				for (i = 1; i <= radius; i++) {
					p = yw + ((i > wm ? wm : i) << 2);
					rsum += pixels[p++];
					gsum += pixels[p++];
					bsum += pixels[p++];
				}

				for (x = 0; x < width; x++) {
					r[yi] = rsum;
					g[yi] = gsum;
					b[yi] = bsum;

					if (y == 0) {
						vmin[x] = ((p = x + rad1) < wm ? p : wm) << 2;
						vmax[x] = (p = x - radius) > 0 ? p << 2 : 0;
					}

					p1 = yw + vmin[x];
					p2 = yw + vmax[x];

					rsum += pixels[p1++] - pixels[p2++];
					gsum += pixels[p1++] - pixels[p2++];
					bsum += pixels[p1++] - pixels[p2++];

					yi++;
				}
				yw += width << 2;
			}

			for (x = 0; x < width; x++) {
				yp = x;
				rsum = r[yp] * rad1;
				gsum = g[yp] * rad1;
				bsum = b[yp] * rad1;

				for (i = 1; i <= radius; i++) {
					yp += i > hm ? 0 : width;
					rsum += r[yp];
					gsum += g[yp];
					bsum += b[yp];
				}

				yi = x << 2;
				for (y = 0; y < height; y++) {
					pixels[yi] = (rsum * mul_sum) >>> shg_sum;
					pixels[yi + 1] = (gsum * mul_sum) >>> shg_sum;
					pixels[yi + 2] = (bsum * mul_sum) >>> shg_sum;

					if (x == 0) {
						vmin[y] = ((p = y + rad1) < hm ? p : hm) * width;
						vmax[y] = (p = y - radius) > 0 ? p * width : 0;
					}

					p1 = x + vmin[y];
					p2 = x + vmax[y];

					rsum += r[p1] - r[p2];
					gsum += g[p1] - g[p2];
					bsum += b[p1] - b[p2];

					yi += width << 2;
				}
			}
		}
		context.putImageData(imageData, top_x, top_y);

		return canvas.toDataURL();
	} else {
		return src;
	}
}

function jg_effect_vintage(img) {
	var options = {
		onError: function () {
			alert('ERROR');
		}
	};
	var effect = {
		vignette: 1,
		sepia: true,
		noise: 50,
		desaturate: 0.2,
		lighten: 0.1
	};
	new VintageJS(img, options, effect);
}