fixed a rotate edit, exportImage Button

javascript/src/Plugins/qfq.fabric.js

@@ -818,8 +818,8 @@ $(function (n) {
                 img.width = this.canvas.width;
             }
             if (img.height < this.canvas.height) {
-                this.canvas.height = this.originalHeight;
                 img.width = this.canvas.height * img.height / img.width;
+                img.height = this.canvas.height;
             }
         }
         this.canvas.centerObject(img);

mockup/imageEditorFabric.html

@@ -44,6 +44,9 @@
                  data-background-image="mockData/Scan2a.jpeg">
             </div>
         </div>
+        <div class="col-md-8">
+            <img id="target-png">
+        </div>
     </div>
 </div>
 

mockup/mockData/fabric.editor.buttons.json

@@ -10,6 +10,16 @@
         "hasToggleElement": false,
         "toggleElement": "",
         "icon": "glyphicon-repeat"
+      }, {
+        "name": "exportImage",
+        "selector": "export-img",
+        "requiresDrawing": false,
+        "requiresSelection": false,
+        "isToggle": false,
+        "toggle": "",
+        "hasToggleElement": false,
+        "toggleElement": "",
+        "icon": "glyphicon-floppy-disk"
       }
     ],
     "currentMode": ""