From 966a7a2c42eee12690aafefe47c20074449b80dd Mon Sep 17 00:00:00 2001
From: Mukul <mukul@ebix.com>
Date: Mon, 12 Dec 2016 19:38:45 +0530
Subject: [PATCH] this is for erase functionality

---
 400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js   | 47 ++++++++++++++++++++++++++++++++++++++++++++---
 400-SOURCECODE/AIAHTML5.Web/app/controllers/HomeController.js | 19 +++++++++++--------
 2 files changed, 55 insertions(+), 11 deletions(-)

diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index cf77512..a16c909 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -6408,15 +6408,55 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
 
 
-    function OnPaintCanvasMouseMove(event) {
 
+    $rootScope.FreeStylePaint = function (e) {
+
+        var annotationCanvas = document.getElementById("canvas");
+        //  document.getElementById("canvasPaint").addEventListener("mouseup", OnPaintBrushCanvasMouseUp);
+
+        annotationCanvas.addEventListener('mousedown', $scope.OnPaintCanvasMouseDown, false);
 
+        annotationCanvas.addEventListener('mouseup', $scope.OnPaintBrushCanvasMouseUp, false);
     }
+    $scope.OnPaintCanvasMouseDown = function (event) {
+        $rootScope.isMousedownOnPaintCanvas = true;
+        $scope.isStartPointDeleted = false;
+        var annotationCanvas = document.getElementById("canvas");
+        $scope.startPageX = parseInt(event.clientX - ($("#canvas").offset().left));
+        $scope.startPageY = parseInt(event.clientY - ($("#canvas").offset().top));
+
+        annotationCanvas.addEventListener('mousemove', $scope.OnPaintCanvasMouseMove, false);
 
-    $rootScope.FreeStylePaint = function (e) {
 
 
     }
+    $scope.OnPaintCanvasMouseMove = function (event) {
+
+
+        $rootScope.xPage = parseInt(event.clientX - ($("#canvas").offset().left));
+        $rootScope.yPage = parseInt(event.clientY - ($("#canvas").offset().top));
+
+        var btneraseBrushSizeValue = $("#btnBrushSize").val();
+        $rootScope.eraseshapeSize = parseInt(btneraseBrushSizeValue);
+
+        if ($rootScope.isEraseToolSelected == true && $rootScope.isMousedownOnPaintCanvas == true) {
+
+            var sktch = $('#canvasPaint').sketch();
+            $('#canvasPaint').sketch().actions = [];
+            var paintCanvas = document.getElementById("canvasPaint");
+            var paintCanvasContext = paintCanvas.getContext('2d');
+            if ($scope.isStartPointDeleted == false) {
+
+                paintCanvasContext.clearRect($scope.startPageX, $scope.startPageY, $rootScope.eraseshapeSize, $rootScope.eraseshapeSize);
+
+                $scope.isStartPointDeleted = true;
+            }
+
+            paintCanvasContext.clearRect($rootScope.xPage, $rootScope.yPage, $rootScope.eraseshapeSize, $rootScope.eraseshapeSize);
+
+
+        }
+    }
     $scope.OnPaintBrushCanvasMouseDown = function (event) {
         switch ($rootScope.shapeType) {
 
@@ -6445,7 +6485,8 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
         }
     }
     $scope.OnPaintBrushCanvasMouseUp = function (event) {
-
+        $rootScope.isMousedownOnPaintCanvas = false;
+        $rootScope.isEraseToolSelected = false;
 
         //   var canvasElement1 = document.getElementById("canvasPaint");
         //   var ctx1 = canvasElement1.getContext("2d");
diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/HomeController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/HomeController.js
index 1022e65..355ab0a 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/HomeController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/HomeController.js
@@ -62,7 +62,8 @@ AIA.controller("HomeController", ["$rootScope", "Modules", "$log", "$location", 
         $rootScope.TextRectangleArr = [];
         $rootScope.rectDimension = [];
 
-
+        $rootScope.isEraseToolSelected = false;
+        $rootScope.isMousedownOnPaintCanvas = false;
 
         $rootScope.$on("$locationChangeSuccess", function () {
 
@@ -440,14 +441,16 @@ AIA.controller("HomeController", ["$rootScope", "Modules", "$log", "$location", 
             $('#canvas').css("z-index", y);
         }
         $rootScope.EraseDrawing = function () {
-            $rootScope.switchCanvasToPaintCanvas();
-            //       $('#canvasPaint').sketch({ defaultColor: "yellow", defaultSize: 1 });
-            var sktch = $('#canvasPaint').sketch();
-            $('#canvasPaint').sketch().actions = [];       // this line empties the actions. 
-            var myCanvas = document.getElementById("canvasPaint");
-            var ctx = myCanvas.getContext('2d');
-            ctx.clearRect(0, 0, myCanvas.width, myCanvas.height);
             $rootScope.switchCanvas();
+            $rootScope.isEraseToolSelected = true;
+            //$rootScope.switchCanvasToPaintCanvas();
+            ////       $('#canvasPaint').sketch({ defaultColor: "yellow", defaultSize: 1 });
+            //var sktch = $('#canvasPaint').sketch();
+            //$('#canvasPaint').sketch().actions = [];       // this line empties the actions. 
+            //var myCanvas = document.getElementById("canvasPaint");
+            //var ctx = myCanvas.getContext('2d');
+            //ctx.clearRect(0, 0, myCanvas.width, myCanvas.height);
+            //$rootScope.switchCanvas();
 
         }
 
--
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