Basic cut implementation

SelectionManager implmentaiton
Rectangular seleciton impl
Utils refacoring
Event manager refactoring
basic cut implmentation

js/utils/core.js

@@ -0,0 +1,39 @@
+jQuery.namespace = function() {
+    var a=arguments, o=null, i, j, d;
+    for (i=0; i<a.length; i=i+1) {
+        d=a[i].split(".");
+        o=window;
+        for (j=0; j<d.length; j=j+1) {
+            o[d[j]]=o[d[j]] || {};
+            o=o[d[j]];
+        }
+    }
+    return o;
+};
+
+/*
+ * @provide pskl.utils
+ *
+ * @require Constants
+ */
+(function() { // namespace: pskl.utils
+
+    var ns = $.namespace("pskl.utils");
+
+    ns.rgbToHex = function(r, g, b) {
+        if (r > 255 || g > 255 || b > 255)
+            throw "Invalid color component";
+        return ((r << 16) | (g << 8) | b).toString(16);
+    };
+
+    ns.inherit = function(extendedObject, inheritFrom) {
+        extendedObject.prototype = Object.create(inheritFrom.prototype);
+        extendedObject.prototype.constructor = extendedObject;
+        extendedObject.prototype.superclass = inheritFrom.prototype;
+        
+        //pskl.ToolBehavior.Eraser.prototype = Object.create(pskl.ToolBehavior.BaseTool.prototype);
+        //prototypeskl.ToolBehavior.Eraser.prototype.constructor = pskl.ToolBehavior.Eraser;
+    };
+
+})();
+

js/utils/pixelUtils.js

@@ -0,0 +1,60 @@
+(function () {
+	var ns = $.namespace("pskl");
+
+	ns.PixelUtils = {
+
+		getRectanglePixels : function (x0, y0, x1, y1) {
+			var pixels = [];
+			var swap;
+			
+			if(x0 > x1) {
+				swap = x0;
+				x0 = x1;
+				x1 = swap;
+			}
+			if(y0 > y1) {
+				swap = y0;
+				y0 = y1;
+				y1 = swap;
+			}
+
+			for(var x = x0; x <= x1; x++) {
+				for(var y = y0; y <= y1; y++) {
+					pixels.push({"col": x, "row": y});
+				}
+			}
+			
+			return pixels;		
+		},
+
+		getBoundRectanglePixels : function (x0, y0, x1, y1) {
+			var pixels = [];
+			var swap;
+			
+			if(x0 > x1) {
+				swap = x0;
+				x0 = x1;
+				x1 = swap;
+			}
+			if(y0 > y1) {
+				swap = y0;
+				y0 = y1;
+				y1 = swap;
+			}
+
+			// Creating horizontal sides of the rectangle:
+			for(var x = x0; x <= x1; x++) {
+				pixels.push({"col": x, "row": y0});
+				pixels.push({"col": x, "row": y1});
+			}
+
+			// Creating vertical sides of the rectangle:
+			for(var y = y0; y <= y1; y++) {
+				pixels.push({"col": x0, "row": y});
+				pixels.push({"col": x1, "row": y});	
+			}
+			
+			return pixels;	
+		}
+	};
+})();