├── README.md
├── base64.js
├── butterfly_test.html
├── index.js
└── package.json


/README.md:
--------------------------------------------------------------------------------
 1 | SVG.toDataURL()
 2 | ===============
 3 | 
 4 | The missing `SVG.toDataURL()` for your SVG elements. Supports exporting as SVG+XML and PNG.
 5 | 
 6 | See [original paper][svgopen2010] for more information on interfacing between SVG and Canvas.
 7 | 
 8 | Instructions
 9 | ------------
10 | 
11 | 1. Include [canvg] if you need PNG support for unsupported browers (see compatibility below).
12 | 2. `<script type="text/javascript" src="svg_todataurl.js"></script>`
13 | 3. See `butterfly_test.html` for full example & compability test.
14 | 
15 | ```javascript
16 | mySVGelement.toDataURL("image/png", {
17 |     callback: function(data) {
18 |         myIMGelement.setAttribute("src", data)
19 |     }
20 | })
21 | ```
22 | 
23 | API documentation inside [svg_todataurl.js](svg_todataurl.js).
24 | 
25 | Compatibility
26 | -------------
27 | 
28 | Test your browser with our [butterfly test suite](http://sampumon.github.io/SVG.toDataURL/butterfly_test.html).
29 | 
30 | Works in all modern browsers. Some browsers require [canvg] for PNG exporting.
31 | 
32 | Compatibility as of October 2017. `+` yes, `vv+` yes since version vv, `-` no support yet.
33 | 
34 | 	Browser     E x p o r t i n g  f o r m a t
35 | 	            SVG+XML  PNG/canvg  PNG/native
36 | 	IE           9+       9+         edge
37 | 	Chrome       +        +          33+ ²
38 | 	Safari       +        +          7.1+ ³
39 | 	Firefox      +        +          11+ ¹
40 | 	Opera        +        +          +
41 | 
42 | ¹ [Allow SVG-as-an-image to be drawn into a canvas without marking it as write-only](https://bugzilla.mozilla.org/show_bug.cgi?id=672013)  
43 | ² [Implement SVGImage::hasSingleSecurityOrigin()](https://bugs.webkit.org/show_bug.cgi?id=119492)
44 | ³ [Test Browser Support for SVG to Canvas](http://designashirt.github.io/svg-canvas-tests/)
45 | 
46 | Notes
47 | -----
48 | 
49 | * SVG `<image>` elements only work if their `src` is a dataURL. External images, same domain or not, will not be rendered (but won't cause a security exception either).
50 | 
51 | Final
52 | -----
53 | 
54 | Licensed with the permissive MIT license, as follows.
55 | 
56 | Copyright (c) 2010,2012 Sampu-mon & Mat-san
57 | 
58 | Permission is hereby granted, free of charge, to any person obtaining a copy
59 | of this software and associated documentation files (the "Software"), to deal
60 | in the Software without restriction, including without limitation the rights
61 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
62 | copies of the Software, and to permit persons to whom the Software is
63 | furnished to do so, subject to the following conditions:
64 | 
65 | The above copyright notice and this permission notice shall be included in
66 | all copies or substantial portions of the Software.
67 | 
68 | [canvg]:http://code.google.com/p/canvg/
69 | [svgopen2010]:http://svgopen.org/2010/papers/62-From_SVG_to_Canvas_and_Back/
70 | 


--------------------------------------------------------------------------------
/base64.js:
--------------------------------------------------------------------------------
  1 | // http://www.webtoolkit.info/javascript-base64.html
  2 | 
  3 | var Base64 = {
  4 | 
  5 | 	// private property
  6 | 	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
  7 | 
  8 | 	// public method for encoding
  9 | 	encode : function (input) {
 10 | 		var output = "";
 11 | 		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
 12 | 		var i = 0;
 13 | 
 14 | 		input = Base64._utf8_encode(input);
 15 | 
 16 | 		while (i < input.length) {
 17 | 
 18 | 			chr1 = input.charCodeAt(i++);
 19 | 			chr2 = input.charCodeAt(i++);
 20 | 			chr3 = input.charCodeAt(i++);
 21 | 
 22 | 			enc1 = chr1 >> 2;
 23 | 			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
 24 | 			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
 25 | 			enc4 = chr3 & 63;
 26 | 
 27 | 			if (isNaN(chr2)) {
 28 | 				enc3 = enc4 = 64;
 29 | 			} else if (isNaN(chr3)) {
 30 | 				enc4 = 64;
 31 | 			}
 32 | 
 33 | 			output = output +
 34 | 			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
 35 | 			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 36 | 
 37 | 		}
 38 | 
 39 | 		return output;
 40 | 	},
 41 | 
 42 | 	// public method for decoding
 43 | 	decode : function (input) {
 44 | 		var output = "";
 45 | 		var chr1, chr2, chr3;
 46 | 		var enc1, enc2, enc3, enc4;
 47 | 		var i = 0;
 48 | 
 49 | 		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 50 | 
 51 | 		while (i < input.length) {
 52 | 
 53 | 			enc1 = this._keyStr.indexOf(input.charAt(i++));
 54 | 			enc2 = this._keyStr.indexOf(input.charAt(i++));
 55 | 			enc3 = this._keyStr.indexOf(input.charAt(i++));
 56 | 			enc4 = this._keyStr.indexOf(input.charAt(i++));
 57 | 
 58 | 			chr1 = (enc1 << 2) | (enc2 >> 4);
 59 | 			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
 60 | 			chr3 = ((enc3 & 3) << 6) | enc4;
 61 | 
 62 | 			output = output + String.fromCharCode(chr1);
 63 | 
 64 | 			if (enc3 != 64) {
 65 | 				output = output + String.fromCharCode(chr2);
 66 | 			}
 67 | 			if (enc4 != 64) {
 68 | 				output = output + String.fromCharCode(chr3);
 69 | 			}
 70 | 
 71 | 		}
 72 | 
 73 | 		output = Base64._utf8_decode(output);
 74 | 
 75 | 		return output;
 76 | 
 77 | 	},
 78 | 
 79 | 	// private method for UTF-8 encoding
 80 | 	_utf8_encode : function (string) {
 81 | 		string = string.replace(/\r\n/g,"\n");
 82 | 		var utftext = "";
 83 | 
 84 | 		for (var n = 0; n < string.length; n++) {
 85 | 
 86 | 			var c = string.charCodeAt(n);
 87 | 
 88 | 			if (c < 128) {
 89 | 				utftext += String.fromCharCode(c);
 90 | 			}
 91 | 			else if((c > 127) && (c < 2048)) {
 92 | 				utftext += String.fromCharCode((c >> 6) | 192);
 93 | 				utftext += String.fromCharCode((c & 63) | 128);
 94 | 			}
 95 | 			else {
 96 | 				utftext += String.fromCharCode((c >> 12) | 224);
 97 | 				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
 98 | 				utftext += String.fromCharCode((c & 63) | 128);
 99 | 			}
100 | 
101 | 		}
102 | 
103 | 		return utftext;
104 | 	},
105 | 
106 | 	// private method for UTF-8 decoding
107 | 	_utf8_decode : function (utftext) {
108 | 		var string = "";
109 | 		var i = 0;
110 | 		var c = c1 = c2 = 0;
111 | 
112 | 		while ( i < utftext.length ) {
113 | 
114 | 			c = utftext.charCodeAt(i);
115 | 
116 | 			if (c < 128) {
117 | 				string += String.fromCharCode(c);
118 | 				i++;
119 | 			}
120 | 			else if((c > 191) && (c < 224)) {
121 | 				c2 = utftext.charCodeAt(i+1);
122 | 				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
123 | 				i += 2;
124 | 			}
125 | 			else {
126 | 				c2 = utftext.charCodeAt(i+1);
127 | 				c3 = utftext.charCodeAt(i+2);
128 | 				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
129 | 				i += 3;
130 | 			}
131 | 
132 | 		}
133 | 
134 | 		return string;
135 | 	}
136 | 
137 | }
138 | 


--------------------------------------------------------------------------------
/butterfly_test.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | 
 3 | <html>
 4 | 	<head>
 5 | 		<title>SVG.toDataURL butterfly test</title>
 6 | 
 7 | 		<meta charset="utf-8" />
 8 | 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 9 | 
10 | 		<!--[if IE]>
11 | 		<script type="text/javascript" src="base64.js"></script>
12 | 		<![endif]-->
13 | 
14 | 		<!-- if you get security exception, uncomment and canvg renderer is used.
15 | 		<script type="text/javascript" src="http://canvg.googlecode.com/svn/trunk/rgbcolor.js"></script> 
16 | 		<script type="text/javascript" src="http://canvg.googlecode.com/svn/trunk/canvg.js"></script> 
17 | 		-->
18 | 
19 | 		<script type="text/javascript" src="svg_todataurl.js"></script>
20 | 
21 | 		<script type="text/javascript">
22 | 			function doButterfly() {
23 | 				var svg = document.getElementById("svg");
24 | 				var img = document.getElementById("fromcanvas");
25 | 
26 | 				svg.toDataURL("image/png", {
27 | 					callback: function(data) {
28 | 						img.setAttribute("src", data)
29 | 						var a = document.querySelector("#data")
30 | 						a.href = data
31 | 						a.style.display = "inline"
32 | 					}
33 | 				})
34 | 			}
35 | 		</script>
36 | 
37 | 		<style>
38 | 			svg {
39 | 				float: left;
40 | 				border: 2px solid silver;
41 | 			}
42 | 
43 | 			img {
44 | 				float: left;
45 | 				margin-left: 1em;
46 | 				border: 2px solid silver;
47 | 			}
48 | 
49 | 			#data {
50 | 				display: none;
51 | 			}
52 | 		</style>
53 | 	</head>
54 | 
55 | 	<body>
56 | 		<p>
57 | 			The <a href="http://commons.wikimedia.org/wiki/File:Butterfly.svg">SVG butterfly</a>.
58 | 			If a second butterfly appears when pressing button, native <code>SVG.toDataURL</code> works in your browser. Check console for details.
59 | 		</p>
60 | 		<p>
61 | 			<button onclick="javascript:doButterfly()">Get DataURL</button>
62 | 			<a id="data" href="data:">Go to DataURL</a>
63 | 		</p>
64 | 
65 | 		<svg id="svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
66 | 			width="500" height="300">
67 | 			<path style="stroke-width:1;fill:rgb(246,127,0);stroke:none"
68 | 				d="M204.33 139.83 C196.33 133.33 206.68 132.82 206.58 132.58 C192.33 97.08 169.35 81.41 167.58 80.58 C162.12 78.02 159.48 78.26 160.45 76.97 C161.41 75.68 167.72 79.72 168.58 80.33 C193.83 98.33 207.58 132.33 207.58 132.33 C207.58 132.33 209.33 133.33 209.58 132.58 C219.58 103.08 239.58 87.58 246.33 81.33 C253.08 75.08 256.63 74.47 247.33 81.58 C218.58 103.58 210.34 132.23 210.83 132.33 C222.33 134.83 211.33 140.33 211.83 139.83 C214.85 136.81 214.83 145.83 214.83 145.83 C214.83 145.83 231.83 110.83 298.33 66.33 C302.43 63.59 445.83 -14.67 395.83 80.83 C393.24 85.79 375.83 105.83 375.83 105.83 C375.83 105.83 377.33 114.33 371.33 121.33 C370.3 122.53 367.83 134.33 361.83 140.83 C360.14 142.67 361.81 139.25 361.83 140.83 C362.33 170.83 337.76 170.17 339.33 170.33 C348.83 171.33 350.19 183.66 350.33 183.83 C355.83 190.33 353.83 191.83 355.83 194.83 C366.63 211.02 355.24 210.05 356.83 212.83 C360.83 219.83 355.99 222.72 357.33 224.83 C360.83 230.33 354.75 233.84 354.83 235.33 C355.33 243.83 349.67 240.73 349.83 244.33 C350.33 255.33 346.33 250.83 343.83 254.83 C336.33 266.83 333.46 262.38 332.83 263.83 C329.83 270.83 325.81 269.15 324.33 270.83 C320.83 274.83 317.33 274.83 315.83 276.33 C308.83 283.33 304.86 278.39 303.83 278.83 C287.83 285.83 280.33 280.17 277.83 280.33 C270.33 280.83 271.48 279.67 269.33 277.83 C237.83 250.83 219.33 211.83 215.83 206.83 C214.4 204.79 211.35 193.12 212.33 195.83 C214.33 201.33 213.33 250.33 207.83 250.33 C202.33 250.33 201.83 204.33 205.33 195.83 C206.43 193.16 204.4 203.72 201.79 206.83 C196.33 213.33 179.5 250.83 147.59 277.83 C145.42 279.67 146.58 280.83 138.98 280.33 C136.46 280.17 128.85 285.83 112.65 278.83 C111.61 278.39 107.58 283.33 100.49 276.33 C98.97 274.83 95.43 274.83 91.88 270.83 C90.39 269.15 86.31 270.83 83.27 263.83 C82.64 262.38 79.73 266.83 72.13 254.83 C69.6 250.83 65.54 255.33 66.05 244.33 C66.22 240.73 60.48 243.83 60.99 235.33 C61.08 233.84 54.91 230.33 58.45 224.83 C59.81 222.72 54.91 219.83 58.96 212.83 C60.57 210.05 49.04 211.02 59.97 194.83 C62 191.83 59.97 190.33 65.54 183.83 C65.69 183.66 67.06 171.33 76.69 170.33 C78.28 170.17 53.39 170.83 53.9 140.83 C53.92 139.25 55.61 142.67 53.9 140.83 C47.82 134.33 45.32 122.53 44.27 121.33 C38.19 114.33 39.71 105.83 39.71 105.83 C39.71 105.83 22.08 85.79 19.46 80.83 C-31.19 -14.67 114.07 63.59 118.22 66.33 C185.58 110.83 202 145.83 202 145.83 C202 145.83 202.36 143.28 203 141.83 C203.64 140.39 204.56 140.02 204.33 139.83 z"/> 
69 | 			<path style="stroke-width:1;fill:rgb(0,0,0);stroke:none"
70 | 				d="M203.62 139.62 C195.62 133.12 205.96 132.6 205.87 132.37 C191.62 96.87 168.64 81.2 166.87 80.37 C161.41 77.81 158.77 78.05 159.73 76.76 C160.69 75.47 167.01 79.51 167.87 80.12 C193.12 98.12 206.87 132.12 206.87 132.12 C206.87 132.12 208.62 133.12 208.87 132.37 C218.87 102.87 238.87 87.37 245.62 81.12 C252.37 74.87 255.92 74.26 246.62 81.37 C217.87 103.37 209.63 132.01 210.12 132.12 C221.62 134.62 210.62 140.12 211.12 139.62 C214.14 136.6 214.12 145.62 214.12 145.62 C214.12 145.62 231.12 110.62 297.62 66.12 C301.71 63.38 445.12 -14.88 395.12 80.62 C392.53 85.57 375.12 105.62 375.12 105.62 C375.12 105.62 376.62 114.12 370.62 121.12 C369.59 122.32 367.12 134.12 361.12 140.62 C359.43 142.46 361.09 139.04 361.12 140.62 C361.62 170.62 337.05 169.96 338.62 170.12 C348.12 171.12 349.47 183.45 349.62 183.62 C355.12 190.12 353.12 191.62 355.12 194.62 C365.91 210.81 354.53 209.84 356.12 212.62 C360.12 219.62 355.28 222.51 356.62 224.62 C360.12 230.12 354.03 233.62 354.12 235.12 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73 | 		</svg>
74 | 
75 | 		<img id="fromcanvas" alt="svg butterfly from canvas.toDataURL()" />
76 | 	</body>
77 | </html>
78 | 


--------------------------------------------------------------------------------
/index.js:
--------------------------------------------------------------------------------
  1 | /**
  2 | 	The missing SVG.toDataURL library for your SVG elements.
  3 | 	
  4 | 	Usage: SVGElement.toDataURL( type, { options } )
  5 | 
  6 | 	Returns: the data URL, except when using native PNG renderer (needs callback).
  7 | 
  8 | 	type	MIME type of the exported data.
  9 | 			Default: image/svg+xml.
 10 | 			Must support: image/png.
 11 | 			Additional: image/jpeg.
 12 | 
 13 | 	options is a map of options: {
 14 | 		callback: function(dataURL)
 15 | 			Callback function which is called when the data URL is ready.
 16 | 			This is only necessary when using native PNG renderer.
 17 | 			Default: undefined.
 18 | 		
 19 | 		[the rest of the options only apply when type="image/png" or type="image/jpeg"]
 20 | 
 21 | 		renderer: "native"|"canvg"
 22 | 			PNG renderer to use. Native renderer¹ might cause a security exception.
 23 | 			Default: canvg if available, otherwise native.
 24 | 
 25 | 		keepNonSafe: true|false
 26 | 			Export non-safe (image and foreignObject) elements.
 27 | 			This will set the Canvas origin-clean property to false, if this data is transferred to Canvas.
 28 | 			Default: false, to keep origin-clean true.
 29 | 			NOTE: not currently supported and is just ignored.
 30 | 
 31 | 		keepOutsideViewport: true|false
 32 | 			Export all drawn content, even if not visible.
 33 | 			Default: false, export only visible viewport, similar to Canvas toDataURL().
 34 | 			NOTE: only supported with canvg renderer.
 35 | 	}
 36 | 
 37 | 	See original paper¹ for more info on SVG to Canvas exporting.
 38 | 
 39 | 	¹ http://svgopen.org/2010/papers/62-From_SVG_to_Canvas_and_Back/#svg_to_canvas
 40 | */
 41 | 
 42 | module.exports = function toDataURL(_svg, type, options) {
 43 | 	function defaultDebug(s) {
 44 | 		console.log("SVG.toDataURL:", s);
 45 | 	}
 46 |   var debug = options && options.debug ? options.debug : defaultDebug;
 47 |   var myCanvg = options && options.canvg ? options.canvg : typeof canvg === 'function' ? canvg : window.canvg;
 48 | 
 49 | 	function exportSVG() {
 50 | 		var svg_xml = XMLSerialize(_svg);
 51 | 		var svg_dataurl = base64dataURLencode(svg_xml);
 52 | 		debug(type + " length: " + svg_dataurl.length);
 53 | 
 54 | 		// NOTE double data carrier
 55 | 		if (options.callback) options.callback(svg_dataurl);
 56 | 		return svg_dataurl;
 57 | 	}
 58 | 
 59 | 	function XMLSerialize(svg) {
 60 | 
 61 | 		// quick-n-serialize an SVG dom, needed for IE9 where there's no XMLSerializer nor SVG.xml
 62 | 		// s: SVG dom, which is the <svg> elemennt
 63 | 		function XMLSerializerForIE(s) {
 64 | 			var out = "";
 65 | 			
 66 | 			out += "<" + s.nodeName;
 67 | 			for (var n = 0; n < s.attributes.length; n++) {
 68 | 				out += " " + s.attributes[n].name + "=" + "'" + s.attributes[n].value + "'";
 69 | 			}
 70 | 			
 71 | 			if (s.hasChildNodes()) {
 72 | 				out += ">\n";
 73 | 
 74 | 				for (var n = 0; n < s.childNodes.length; n++) {
 75 | 					out += XMLSerializerForIE(s.childNodes[n]);
 76 | 				}
 77 | 
 78 | 				out += "</" + s.nodeName + ">" + "\n";
 79 | 
 80 | 			} else out += " />\n";
 81 | 
 82 | 			return out;
 83 | 		}
 84 | 
 85 | 		
 86 | 		if (window.XMLSerializer) {
 87 | 			debug("using standard XMLSerializer.serializeToString")
 88 | 			return (new XMLSerializer()).serializeToString(svg);
 89 | 		} else {
 90 | 			debug("using custom XMLSerializerForIE")
 91 | 			return XMLSerializerForIE(svg);
 92 | 		}
 93 | 	
 94 | 	}
 95 | 
 96 | 	function base64dataURLencode(s) {
 97 | 		var b64 = "data:image/svg+xml;base64,";
 98 | 
 99 | 		// https://developer.mozilla.org/en/DOM/window.btoa
100 | 		if (window.btoa) {
101 | 			debug("using window.btoa for base64 encoding");
102 | 			b64 += btoa(s);
103 | 		} else {
104 | 			debug("using custom base64 encoder");
105 | 			b64 += Base64.encode(s);
106 | 		}
107 | 		
108 | 		return b64;
109 | 	}
110 | 
111 | 	function exportImage(type) {
112 | 		var canvas = document.createElement("canvas");
113 | 		var ctx = canvas.getContext('2d');
114 | 
115 | 		// TODO: if (options.keepOutsideViewport), do some translation magic?
116 | 
117 | 		var svg_img = new Image();
118 | 		var svg_xml = XMLSerialize(_svg);
119 | 		svg_img.src = base64dataURLencode(svg_xml);
120 | 
121 | 		svg_img.onload = function() {
122 | 			debug("exported image size: " + [svg_img.width, svg_img.height])
123 | 			canvas.width = svg_img.width;
124 | 			canvas.height = svg_img.height;
125 | 			ctx.drawImage(svg_img, 0, 0);
126 | 
127 | 			// SECURITY_ERR WILL HAPPEN NOW
128 | 			var png_dataurl = canvas.toDataURL(type);
129 | 			debug(type + " length: " + png_dataurl.length);
130 | 
131 | 			if (options.callback) options.callback( png_dataurl );
132 | 			else debug("WARNING: no callback set, so nothing happens.");
133 | 		}
134 | 		
135 | 		svg_img.onerror = function() {
136 | 			console.log(
137 | 				"Can't export! Maybe your browser doesn't support " +
138 | 				"SVG in img element or SVG input for Canvas drawImage?\n" +
139 | 				"http://en.wikipedia.org/wiki/SVG#Native_support"
140 | 			);
141 | 		}
142 | 
143 | 		// NOTE: will not return anything
144 | 	}
145 | 
146 | 	function exportImageCanvg(type) {
147 | 		var canvas = document.createElement("canvas");
148 | 		var ctx = canvas.getContext('2d');
149 | 		var svg_xml = XMLSerialize(_svg);
150 | 
151 | 		// NOTE: canvg gets the SVG element dimensions incorrectly if not specified as attributes
152 | 		//debug("detected svg dimensions " + [_svg.clientWidth, _svg.clientHeight])
153 | 		//debug("canvas dimensions " + [canvas.width, canvas.height])
154 | 
155 | 		var keepBB = options.keepOutsideViewport;
156 | 		if (keepBB) var bb = _svg.getBBox();
157 | 
158 | 		// NOTE: this canvg call is synchronous and blocks
159 | 		myCanvg(canvas, svg_xml, { 
160 | 			ignoreMouse: true, ignoreAnimation: true,
161 | 			offsetX: keepBB ? -bb.x : undefined, 
162 | 			offsetY: keepBB ? -bb.y : undefined,
163 | 			scaleWidth: keepBB ? bb.width+bb.x : undefined,
164 | 			scaleHeight: keepBB ? bb.height+bb.y : undefined,
165 | 			renderCallback: function() {
166 | 				debug("exported image dimensions " + [canvas.width, canvas.height]);
167 | 				var png_dataurl = canvas.toDataURL(type);
168 | 				debug(type + " length: " + png_dataurl.length);
169 | 	
170 | 				if (options.callback) options.callback( png_dataurl );
171 | 			}
172 | 		});
173 | 
174 | 		// NOTE: return in addition to callback
175 | 		return canvas.toDataURL(type);
176 | 	}
177 | 
178 | 	// BEGIN MAIN
179 | 
180 | 	if (!type) type = "image/svg+xml";
181 | 	if (!options) options = {};
182 | 
183 | 	if (options.keepNonSafe) debug("NOTE: keepNonSafe is NOT supported and will be ignored!");
184 | 	if (options.keepOutsideViewport) debug("NOTE: keepOutsideViewport is only supported with canvg exporter.");
185 | 	
186 | 	switch (type) {
187 | 		case "image/svg+xml":
188 | 			return exportSVG();
189 | 			break;
190 | 
191 | 		case "image/png":
192 | 		case "image/jpeg":
193 | 
194 | 			if (!options.renderer) {
195 | 				if (window.canvg) options.renderer = "canvg";
196 | 				else options.renderer="native";
197 | 			}
198 | 
199 | 			switch (options.renderer) {
200 | 				case "canvg":
201 | 					debug("using canvg renderer for png export");
202 | 					return exportImageCanvg(type);
203 | 					break;
204 | 
205 | 				case "native":
206 | 					debug("using native renderer for png export. THIS MIGHT FAIL.");
207 | 					return exportImage(type);
208 | 					break;
209 | 
210 | 				default:
211 | 					debug("unknown png renderer given, doing noting (" + options.renderer + ")");
212 | 			}
213 | 
214 | 			break;
215 | 
216 | 		default:
217 | 			debug("Sorry! Exporting as '" + type + "' is not supported!")
218 | 	}
219 | }
220 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "svgtodatauri",
 3 |   "version": "0.0.0",
 4 |   "description": "Gives your SVG elements the missing toDataURL function (same as Canvas has)",
 5 |   "scripts": {
 6 |     "test": "echo \"Error: no test specified\" && exit 1"
 7 |   },
 8 |   "repository": {
 9 |     "type": "git",
10 |     "url": "git+https://github.com/graingert/SVG.toDataURL.git"
11 |   },
12 |   "keywords": [
13 |     "svg",
14 |     "dataurl"
15 |   ],
16 |   "author": "Samuli Kaipiainen",
17 |   "license": "MIT",
18 |   "bugs": {
19 |     "url": "https://github.com/graingert/SVG.toDataURL/issues"
20 |   },
21 |   "homepage": "https://github.com/graingert/SVG.toDataURL#readme"
22 | }
23 | 


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