Node canvas (#4497)

* readded * paused * test * try jsdom * restore node methods * restored * restored * fix tests
fabricjs · Nov 24, 2017 · 71b36f6 · 71b36f6
1 parent a9eacc4
commit 71b36f6
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diff --git a/HEADER.js b/HEADER.js
@@ -18,6 +18,7 @@ else {
         FetchExternalResources: ['img']
       }
       });
+  fabric.jsdomImplForWrapper = require('jsdom/lib/jsdom/living/generated/utils').implForWrapper;
   fabric.window = fabric.document.defaultView;
   DOMParser = require('xmldom').DOMParser;
 }

diff --git a/src/static_canvas.class.js b/src/static_canvas.class.js
@@ -1759,4 +1759,14 @@
    */
   fabric.StaticCanvas.prototype.toJSON = fabric.StaticCanvas.prototype.toObject;
 
+  if (fabric.isLikelyNode) {
+    fabric.StaticCanvas.prototype.createPNGStream = function() {
+      var impl = fabric.jsdomImplForWrapper(this.lowerCanvasEl);
+      return impl && impl.createPNGStream();
+    };
+    fabric.StaticCanvas.prototype.createJPEGStream = function(opts) {
+      var impl = fabric.jsdomImplForWrapper(this.lowerCanvasEl);
+      return impl && impl.createJPEGStream(opts);
+    };
+  }
 })();
diff --git a/test/unit/canvas_static.js b/test/unit/canvas_static.js
@@ -1572,6 +1572,24 @@
     });
   });
 
+  QUnit.test('createPNGStream', function(assert) {
+    if (!fabric.isLikelyNode) {
+      assert.ok(true, 'not supposed to run outside node');
+    }
+    else {
+      assert.ok(typeof canvas.createPNGStream === 'function', 'there is a createPNGStream method');
+    }
+  });
+
+  QUnit.test('createJPEGStream', function(assert) {
+    if (!fabric.isLikelyNode) {
+      assert.ok(true, 'not supposed to run outside node');
+    }
+    else {
+      assert.ok(typeof canvas.createJPEGStream === 'function', 'there is a createJPEGStream method');
+    }
+  });
+
   // QUnit.test('backgroundImage', function(assert) {
   //   var done = assert.async();
   //   assert.deepEqual('', canvas.backgroundImage);