From 48ab4607b957d737575d2b14543fadc0bba3c285 Mon Sep 17 00:00:00 2001
From: Arthaey <arthaey@gmail.com>
Date: Tue, 5 Feb 2013 22:20:56 -0800
Subject: [PATCH] Add option to suppress XML preamble in toSVG method.

---
 dist/all.js                | 21 +++++++++++++++------
 src/static_canvas.class.js | 21 +++++++++++++++------
 test/unit/canvas_static.js | 11 ++++++++++-
 3 files changed, 40 insertions(+), 13 deletions(-)

diff --git a/dist/all.js b/dist/all.js
index 2695382d..15637014 100644
--- a/dist/all.js
+++ b/dist/all.js
@@ -6478,13 +6478,22 @@ fabric.Shadow = fabric.util.createClass(/** @scope fabric.Shadow.prototype */ {
      * Returns SVG representation of canvas
      * @function
      * @method toSVG
+     * @param {Object} [options] Options for SVG output ("suppressPreamble: true"
+     * will start the svg output directly at "<svg...")
      * @return {String}
      */
-    toSVG: function() {
-      var markup = [
-        '<?xml version="1.0" standalone="no" ?>',
-          '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" ',
-            '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">',
+    toSVG: function(options) {
+      options || (options = { });
+      var markup = [];
+
+      if (!options.suppressPreamble) {
+        markup.push(
+          '<?xml version="1.0" standalone="no" ?>',
+            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" ',
+              '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">'
+        );
+      }
+      markup.push(
           '<svg ',
             'xmlns="http://www.w3.org/2000/svg" ',
             'xmlns:xlink="http://www.w3.org/1999/xlink" ',
@@ -6494,7 +6503,7 @@ fabric.Shadow = fabric.util.createClass(/** @scope fabric.Shadow.prototype */ {
             'xml:space="preserve">',
           '<desc>Created with Fabric.js ', fabric.version, '</desc>',
           fabric.createSVGFontFacesMarkup(this.getObjects())
-      ];
+      );
 
       if (this.backgroundImage) {
         markup.push(
diff --git a/src/static_canvas.class.js b/src/static_canvas.class.js
index a1e9ccfc..e43acd3e 100644
--- a/src/static_canvas.class.js
+++ b/src/static_canvas.class.js
@@ -929,13 +929,22 @@
      * Returns SVG representation of canvas
      * @function
      * @method toSVG
+     * @param {Object} [options] Options for SVG output ("suppressPreamble: true"
+     * will start the svg output directly at "<svg...")
      * @return {String}
      */
-    toSVG: function() {
-      var markup = [
-        '<?xml version="1.0" standalone="no" ?>',
-          '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" ',
-            '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">',
+    toSVG: function(options) {
+      options || (options = { });
+      var markup = [];
+
+      if (!options.suppressPreamble) {
+        markup.push(
+          '<?xml version="1.0" standalone="no" ?>',
+            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" ',
+              '"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">'
+        );
+      }
+      markup.push(
           '<svg ',
             'xmlns="http://www.w3.org/2000/svg" ',
             'xmlns:xlink="http://www.w3.org/1999/xlink" ',
@@ -945,7 +954,7 @@
             'xml:space="preserve">',
           '<desc>Created with Fabric.js ', fabric.version, '</desc>',
           fabric.createSVGFontFacesMarkup(this.getObjects())
-      ];
+      );
 
       if (this.backgroundImage) {
         markup.push(
diff --git a/test/unit/canvas_static.js b/test/unit/canvas_static.js
index 3c190825..1c6611d4 100644
--- a/test/unit/canvas_static.js
+++ b/test/unit/canvas_static.js
@@ -193,6 +193,15 @@
     equal(rect.getAngle(), 90, 'angle should be coerced to 90 (from 100)');
   });
 
+  test('toSVG without preamble', function() {
+    ok(typeof canvas.toSVG == 'function');
+    var withPreamble = canvas.toSVG();
+    var withoutPreamble = canvas.toSVG({suppressPreamble: true});
+    ok(withPreamble != withoutPreamble);
+    equal(withoutPreamble.slice(0, 4), '<svg', 'svg should start with root node when premable is suppressed');
+  });
+
+
   test('toJSON', function() {
     ok(typeof canvas.toJSON == 'function');
     equal(JSON.stringify(canvas.toJSON()), '{"objects":[],"background":""}');
@@ -682,4 +691,4 @@
     });
   });
 
-})();
\ No newline at end of file
+})();