P5-1417: Dragbar and rulers should work with inches

src/js/includes/DragHandle.js

@@ -74,7 +74,7 @@ var DragHandle = function (handler) {
         this.__handles.y.set({left: handler.getTracks().y.left}).setCoords();
         this.__handles.x.set({top: handler.getTracks().x.top}).setCoords();
         return this;
-    }
+    };
 
     this.init = function () {
         var viewportData = this.getCanvas().getViewport().getData();
@@ -86,8 +86,8 @@ var DragHandle = function (handler) {
         }
 
         this.__handles = {
-            x: getRect(viewportData.dim.width + ' cm', viewportData.width),
+            x: getRect(viewportData.dim.width + ' ' + viewportData.dim.units, viewportData.width),
-            y: getRect(viewportData.dim.height + ' cm', viewportData.height)
+            y: getRect(viewportData.dim.height + ' ' + viewportData.dim.units, viewportData.height)
         };
 
         this.__handles.x.addTo(this.getCanvas()).centerH().set({ top: tracks.x.top }).setCoords();

src/js/includes/ImageEditor.js

@@ -76,12 +76,13 @@ function ImageEditor(canvasId, args) {
      * Crops image to desired dimensions
      * @param  {int} width  [description]
      * @param  {int} height [description]
+     * @param  {string} units cm|inch
      * @return {ImageEditor}
      */
-    this.crop = function (width, height) {
+    this.crop = function (width, height, units) {
         _canvas.getImage().__cropped = false;
         _canvas.getImageData().removeCropData();
-        _canvas.getViewport().set(width, height);
+        _canvas.getViewport().set(width, height, units);
         return this;
     };
 

src/js/includes/RulerHandler.js

@@ -24,7 +24,7 @@ function RulerHandler(viewport) {
                 dim = viewport.getData().dim.height - dim;
             }
 
-            this.setText(Math.round(dim * 100) / 100 + ' cm');
+            this.setText(Math.round(dim * 100) / 100 + ' ' + viewport.getData().dim.units);
         }
     };
 

src/js/includes/Viewport.js

@@ -119,7 +119,7 @@ function Viewport(canvas) {
      */
     this.reset = function () {
         if (_data) {
-            return this.set(_data.dim.width, _data.dim.height);
+            return this.set(_data.dim.width, _data.dim.height, _data.dim.units);
         }
         return this;
     };
@@ -127,10 +127,12 @@ function Viewport(canvas) {
     /**
      * @param  {Number} width
      * @param  {Number} height
+     * @param  {string} units
      * @return {Viewport}
      */
-    this.set = function (width, height) {
+    this.set = function (width, height, units) {
         _data = util.calcCrop(canvas.getImage(), width, height);
+        _data.dim.units = units;
         apply();
         this.getGores().reset();
         this.getRulers().reset();