fixing path exports to SVG (fabricjs#5438)

* fixing path exports to SVG

* extend svg import tests

* added a failing test for the SVG export

* more tests for polygons

src/mixins/object.svg_export.js

@@ -216,7 +216,8 @@
           absoluteClipPath = this.clipPath && this.clipPath.absolutePositioned,
           commonPieces, markup = [], clipPathMarkup,
           // insert commons in the markup, style and svgCommons
-          index = objectMarkup.indexOf('COMMON_PARTS');
+          index = objectMarkup.indexOf('COMMON_PARTS'),
+          additionalTransform = options.additionalTransform;
       if (clipPath) {
         clipPath.clipPathId = 'CLIPPATH_' + fabric.Object.__uid++;
         clipPathMarkup = '<clipPath id="' + clipPath.clipPathId + '" >\n' +
@@ -236,7 +237,8 @@
       );
       commonPieces = [
         styleInfo,
-        noStyle ? '' : this.addPaintOrder(), ' '
+        noStyle ? '' : this.addPaintOrder(), ' ',
+        additionalTransform ? 'transform="' + additionalTransform + '" ' : '',
       ].join('');
       objectMarkup[index] = commonPieces;
       if (this.fill && this.fill.toLive) {

src/shapes/path.class.js

@@ -499,6 +499,16 @@
         this._toSVG(), { reviver: reviver, additionalTransform: additionalTransform }
       );
     },
+
+    /**
+     * Returns svg representation of an instance
+     * @param {Function} [reviver] Method for further parsing of svg representation.
+     * @return {String} svg representation of an instance
+     */
+    toSVG: function(reviver) {
+      var additionalTransform = this._getOffsetTransform();
+      return this._createBaseSVGMarkup(this._toSVG(), { reviver: reviver, additionalTransform: additionalTransform  });
+    },
     /* _TO_SVG_END_ */
 
     /**

test/unit/path.js

@@ -129,7 +129,7 @@
     var done = assert.async();
     makePathObject(function(path) {
       assert.ok(typeof path.toSVG === 'function');
-      assert.deepEqual(path.toSVG(), '<g transform=\"matrix(1 0 0 1 200.5 200.5)\"  >\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n');
+      assert.deepEqual(path.toSVG(), '<g transform=\"matrix(1 0 0 1 200.5 200.5)\"  >\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  transform=\" translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n');
       done();
     });
   });
@@ -139,7 +139,7 @@
     makePathObject(function(path) {
       makePathObject(function(path2) {
         path.clipPath = path2;
-        assert.deepEqual(path.toSVG(), '<g transform=\"matrix(1 0 0 1 200.5 200.5)\" clip-path=\"url(#CLIPPATH_0)\"  >\n<clipPath id=\"CLIPPATH_0\" >\n\t<path transform=\"matrix(1 0 0 1 200.5 200.5) translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</clipPath>\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n', 'path clipPath toSVG should match');
+        assert.deepEqual(path.toSVG(), '<g transform=\"matrix(1 0 0 1 200.5 200.5)\" clip-path=\"url(#CLIPPATH_0)\"  >\n<clipPath id=\"CLIPPATH_0\" >\n\t<path transform=\"matrix(1 0 0 1 200.5 200.5) translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</clipPath>\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  transform=\" translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n', 'path clipPath toSVG should match');
         done();
       });
     });
@@ -152,7 +152,7 @@
       makePathObject(function(path2) {
         path.clipPath = path2;
         path.clipPath.absolutePositioned = true;
-        assert.deepEqual(path.toSVG(), '<g clip-path=\"url(#CLIPPATH_0)\"  >\n<g transform=\"matrix(1 0 0 1 200.5 200.5)\"  >\n<clipPath id=\"CLIPPATH_0\" >\n\t<path transform=\"matrix(1 0 0 1 200.5 200.5) translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</clipPath>\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n</g>\n', 'path clipPath toSVG absolute should match');
+        assert.deepEqual(path.toSVG(), '<g clip-path=\"url(#CLIPPATH_0)\"  >\n<g transform=\"matrix(1 0 0 1 200.5 200.5)\"  >\n<clipPath id=\"CLIPPATH_0\" >\n\t<path transform=\"matrix(1 0 0 1 200.5 200.5) translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</clipPath>\n<path style=\"stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;\"  transform=\" translate(-200, -200)\" d=\"M 100 100 L 300 100 L 200 300 z\" stroke-linecap=\"round\" />\n</g>\n</g>\n', 'path clipPath toSVG absolute should match');
         done();
       });
     });