From e4a42e054fe2e413799ded311cdb0269ebb79b7b Mon Sep 17 00:00:00 2001
From: Asturur <andreabogazzi79@gmail.com>
Date: Sat, 25 Mar 2017 18:44:09 +0100
Subject: [PATCH] support svg crossorigin on images

---
 src/elements_parser.js    |  3 ++-
 src/parser.js             | 32 +++++++++++++++++++-------------
 src/shapes/image.class.js |  2 +-
 3 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/src/elements_parser.js b/src/elements_parser.js
index 30aa7eed..6e79e996 100644
--- a/src/elements_parser.js
+++ b/src/elements_parser.js
@@ -1,9 +1,10 @@
-fabric.ElementsParser = function(elements, callback, options, reviver) {
+fabric.ElementsParser = function(elements, callback, options, reviver, parsingOptions) {
   this.elements = elements;
   this.callback = callback;
   this.options = options;
   this.reviver = reviver;
   this.svgUid = (options && options.svgUid) || 0;
+  this.parsingOptions = parsingOptions;
 };
 
 fabric.ElementsParser.prototype.parse = function() {
diff --git a/src/parser.js b/src/parser.js
index 3c71c44b..5918f00a 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -602,8 +602,10 @@
    * @param {Function} callback Callback to call when parsing is finished;
    * It's being passed an array of elements (parsed from a document).
    * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
+   * @param {Object} [parsingOptions] options for parsing document
+   * @param {String} [parsingOptions.crossOrigin] crossOrigin settings
    */
-  fabric.parseSVGDocument = function(doc, callback, reviver) {
+  fabric.parseSVGDocument = function(doc, callback, reviver, parsingOptions) {
     if (!doc) {
       return;
     }
@@ -613,7 +615,7 @@
     var svgUid =  fabric.Object.__uid++,
         options = applyViewboxTransform(doc),
         descendants = fabric.util.toArray(doc.getElementsByTagName('*'));
-
+    options.crossOrigin = parsingOptions.crossOrigin;
     options.svgUid = svgUid;
 
     if (descendants.length === 0 && fabric.isLikelyNode) {
@@ -645,7 +647,7 @@
       if (callback) {
         callback(instances, options);
       }
-    }, clone(options), reviver);
+    }, clone(options), reviver, parsingOptions);
   };
 
   var reFontDeclaration = new RegExp(
@@ -797,8 +799,8 @@
      * @param {Object} [options] Options object
      * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
      */
-    parseElements: function(elements, callback, options, reviver) {
-      new fabric.ElementsParser(elements, callback, options, reviver).parse();
+    parseElements: function(elements, callback, options, reviver, parsingOptions) {
+      new fabric.ElementsParser(elements, callback, options, reviver, parsingOptions).parse();
     },
 
     /**
@@ -924,8 +926,10 @@
      * @param {String} url
      * @param {Function} callback
      * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
+     * @param {Object} [options] Object containing options for parsing
+     * @param {String} [options.crossOrigin] crossOrigin crossOrigin setting to use for external resources
      */
-    loadSVGFromURL: function(url, callback, reviver) {
+    loadSVGFromURL: function(url, callback, reviver, options) {
 
       url = url.replace(/^\n\s*/, '').trim();
       new fabric.util.request(url, {
@@ -946,9 +950,9 @@
           callback && callback(null);
         }
 
-        fabric.parseSVGDocument(xml.documentElement, function (results, options) {
-          callback && callback(results, options);
-        }, reviver);
+        fabric.parseSVGDocument(xml.documentElement, function (results, _options) {
+          callback && callback(results, _options);
+        }, reviver, options);
       }
     },
 
@@ -958,8 +962,10 @@
      * @param {String} string
      * @param {Function} callback
      * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.
+     * @param {Object} [options] Object containing options for parsing
+     * @param {String} [options.crossOrigin] crossOrigin crossOrigin setting to use for external resources
      */
-    loadSVGFromString: function(string, callback, reviver) {
+    loadSVGFromString: function(string, callback, reviver, options) {
       string = string.trim();
       var doc;
       if (typeof DOMParser !== 'undefined') {
@@ -975,9 +981,9 @@
         doc.loadXML(string.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i, ''));
       }
 
-      fabric.parseSVGDocument(doc.documentElement, function (results, options) {
-        callback(results, options);
-      }, reviver);
+      fabric.parseSVGDocument(doc.documentElement, function (results, _options) {
+        callback(results, _options);
+      }, reviver, options);
     }
   });
 
diff --git a/src/shapes/image.class.js b/src/shapes/image.class.js
index 28e731f1..d3cfaee8 100644
--- a/src/shapes/image.class.js
+++ b/src/shapes/image.class.js
@@ -646,7 +646,7 @@
    * @see {@link http://www.w3.org/TR/SVG/struct.html#ImageElement}
    */
   fabric.Image.ATTRIBUTE_NAMES =
-    fabric.SHARED_ATTRIBUTES.concat('x y width height preserveAspectRatio xlink:href'.split(' '));
+    fabric.SHARED_ATTRIBUTES.concat('x y width height preserveAspectRatio xlink:href crossOrigin'.split(' '));
 
   /**
    * Returns {@link fabric.Image} instance from an SVG element