diff --git a/src/Factory.js b/src/Factory.js
index 99a7568e..e8a8df86 100644
--- a/src/Factory.js
+++ b/src/Factory.js
@@ -42,9 +42,9 @@
         Y = 'y';
 
     Kinetic.Factory = {
-        addGetterSetter: function(constructor, attr, def, afterFunc) {
+        addGetterSetter: function(constructor, attr, def, validator) {
             this.addGetter(constructor, attr, def);
-            this.addSetter(constructor, attr, afterFunc);
+            this.addSetter(constructor, attr, validator);
             this.addOverloadedGetterSetter(constructor, attr);
         },
         addGetter: function(constructor, attr, def) {
@@ -56,18 +56,19 @@
                 return val === undefined ? def : val;
             };
         },
-        addSetter: function(constructor, attr, afterFunc) {
+        addSetter: function(constructor, attr, validator) {
             var method = SET + Kinetic.Util._capitalize(attr);
 
             constructor.prototype[method] = function(val) {
-                this._setAttr(attr, val); 
-                if (afterFunc) {
-                    afterFunc.call(this);
+                if (validator) {
+                    val = validator.call(this, val);
                 }
+
+                this._setAttr(attr, val); 
                 return this;  
             };
         },
-        addComponentsGetterSetter: function(constructor, attr, components, afterFunc) {
+        addComponentsGetterSetter: function(constructor, attr, components, validator) {
             var len = components.length,
                 capitalize = Kinetic.Util._capitalize,
                 getter = GET + capitalize(attr), 
@@ -91,12 +92,12 @@
                 var oldVal = this.attrs[attr],
                     key;
 
-                for (key in val) {
-                    this._setAttr(attr + capitalize(key), val[key]); 
+                if (validator) {
+                    val = validator.call(this, val);
                 }
 
-                if (afterFunc) {
-                    afterFunc.call(this);
+                for (key in val) {
+                    this._setAttr(attr + capitalize(key), val[key]); 
                 }
 
                 this._fireChangeEvent(attr, oldVal, val);
diff --git a/src/Shape.js b/src/Shape.js
index ed8f43a1..fa6a1c86 100644
--- a/src/Shape.js
+++ b/src/Shape.js
@@ -297,7 +297,17 @@
      * shape.stroke('rgba(0,255,0,0.5');
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeRed', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeRed', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set stroke red component
@@ -314,7 +324,17 @@
      * shape.strokeRed(0);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeGreen', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeGreen', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set stroke green component
@@ -331,7 +351,17 @@
      * shape.strokeGreen(255);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeBlue', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'strokeBlue', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set stroke blue component
@@ -490,7 +520,17 @@
      * shape.shadowColor('rgba(0,255,0,0.5');
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowRed', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowRed', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set shadow red component
@@ -507,7 +547,17 @@
      * shape.shadowRed(0);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowGreen', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowGreen', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set shadow green component
@@ -524,7 +574,17 @@
      * shape.shadowGreen(255);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowBlue', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'shadowBlue', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set shadow blue component
@@ -678,7 +738,17 @@
      * shape.fill('rgba(0,255,0,0.5');
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillRed', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillRed', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set fill red component
@@ -695,7 +765,17 @@
      * shape.fillRed(0);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillGreen', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillGreen', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set fill green component
@@ -712,7 +792,17 @@
      * shape.fillGreen(255);
      */
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillBlue', 0);
+    Kinetic.Factory.addGetterSetter(Kinetic.Shape, 'fillBlue', 0, function(val) {
+        if (val > 255) {
+            return 255;
+        }
+        else if (val < 0) {
+            return 0;
+        }
+        else {
+            return Math.round(val);
+        }
+    });
 
     /**
      * get/set fill blue component
diff --git a/src/filters/Blur.js b/src/filters/Blur.js
index a9082d8d..e3be9402 100644
--- a/src/filters/Blur.js
+++ b/src/filters/Blur.js
@@ -337,7 +337,7 @@
         }
     };
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'blurRadius', 0, function() {this._filterUpToDate = false;});
+    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'blurRadius', 0, function(val) {this._filterUpToDate = false;return val;});
 
     /**
     * get/set blur radius
diff --git a/src/filters/Brighten.js b/src/filters/Brighten.js
index 2bea0267..b7ec3b7f 100644
--- a/src/filters/Brighten.js
+++ b/src/filters/Brighten.js
@@ -21,7 +21,7 @@
         }
     };
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'brightness', 0, function() {this._filterUpToDate = false;});
+    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'brightness', 0, function(val) {this._filterUpToDate = false;return val;});
     /**
     * get/set filter brightness.  The brightness is a number between -1 and 1.&nbsp; Positive values 
     *  brighten the pixels and negative values darken them.
diff --git a/src/filters/Emboss.js b/src/filters/Emboss.js
index b461e27a..3a8a9985 100644
--- a/src/filters/Emboss.js
+++ b/src/filters/Emboss.js
@@ -123,7 +123,7 @@
       } while (--y);
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossStrength', 0.5, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossStrength', 0.5, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set emboss strength
   * @name embossStrength
@@ -133,7 +133,7 @@
   * @returns {Number}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossWhiteLevel', 0.5, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossWhiteLevel', 0.5, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set emboss white level
   * @name embossWhiteLevel
@@ -143,7 +143,7 @@
   * @returns {Number}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossDirection', 'top-left', function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossDirection', 'top-left', function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set emboss direction
   * @name embossDirection
@@ -154,7 +154,7 @@
   * @returns {String}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossBlend', false, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'embossBlend', false, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set emboss blend
   * @name embossBlend
diff --git a/src/filters/Enhance.js b/src/filters/Enhance.js
index 44faa1c3..7d437456 100644
--- a/src/filters/Enhance.js
+++ b/src/filters/Enhance.js
@@ -105,7 +105,7 @@
     }
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'enhance', 0, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'enhance', 0, function(val) {this._filterUpToDate = false;return val;});
 
     /**
     * get/set enhance
diff --git a/src/filters/HSV.js b/src/filters/HSV.js
index e0224cbf..df887893 100644
--- a/src/filters/HSV.js
+++ b/src/filters/HSV.js
@@ -57,7 +57,7 @@
 
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'hue', 0, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'hue', 0, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set hsv hue in degrees
   * @name hue
@@ -67,7 +67,7 @@
   * @returns {Number}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'saturation', 1, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'saturation', 1, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set hsv saturation
   * @name saturation
@@ -77,7 +77,7 @@
   * @returns {Number}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'value', 1, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'value', 1, function(val) {this._filterUpToDate = false;return val;});
   /**
   * get/set hsv value
   * @name value
diff --git a/src/filters/Kaleidoscope.js b/src/filters/Kaleidoscope.js
index 46cacea2..01424ed0 100644
--- a/src/filters/Kaleidoscope.js
+++ b/src/filters/Kaleidoscope.js
@@ -310,8 +310,8 @@
     FromPolar(scratchData,imageData,{polarRotation:0});
   };
 
-    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'kaleidoscopePower', 2, function() {this._filterUpToDate = false;});
-    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'kaleidoscopeAngle', 0, function() {this._filterUpToDate = false;});
+    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'kaleidoscopePower', 2, function(val) {this._filterUpToDate = false;return val;});
+    Kinetic.Factory.addGetterSetter(Kinetic.Node, 'kaleidoscopeAngle', 0, function(val) {this._filterUpToDate = false;return val;});
 
     /**
     * get/set kaleidoscope power
diff --git a/src/filters/Mask.js b/src/filters/Mask.js
index ac0d1150..4156d866 100644
--- a/src/filters/Mask.js
+++ b/src/filters/Mask.js
@@ -188,5 +188,5 @@
 		return imageData;
 	};
 
-	Kinetic.Factory.addGetterSetter(Kinetic.Node, 'threshold', 0);
+	Kinetic.Factory.addGetterSetter(Kinetic.Node, 'threshold', 0, function(val) {this._filterUpToDate = false;return val;});
 })();
diff --git a/src/filters/Noise.js b/src/filters/Noise.js
index ba560696..e1c187cf 100644
--- a/src/filters/Noise.js
+++ b/src/filters/Noise.js
@@ -21,7 +21,7 @@
       }
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'noise', 0.2, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'noise', 0.2, function(val) {this._filterUpToDate = false;return val;});
 
   /**
   * get/set noise amount.  Must be a value between 0 and 1
diff --git a/src/filters/Pixelate.js b/src/filters/Pixelate.js
index 2c45ed81..fc97ef72 100644
--- a/src/filters/Pixelate.js
+++ b/src/filters/Pixelate.js
@@ -76,7 +76,7 @@
     
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'pixelSize', 8, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'pixelSize', 8, function(val) {this._filterUpToDate = false;return val;});
 
   /**
   * get/set pixel size
diff --git a/src/filters/Posterize.js b/src/filters/Posterize.js
index ec96f715..af15dc92 100644
--- a/src/filters/Posterize.js
+++ b/src/filters/Posterize.js
@@ -23,7 +23,7 @@
     }
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'levels', 0.5, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'levels', 0.5, function(val) {this._filterUpToDate = false;return val;});
 
   /**
   * get/set levels.  Must be a number between 0 and 1
diff --git a/src/filters/RGB.js b/src/filters/RGB.js
index fe3d9a8a..3ed37b1c 100644
--- a/src/filters/RGB.js
+++ b/src/filters/RGB.js
@@ -23,7 +23,18 @@
     }
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'red', 255, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'red', 0, function(val) {
+      this._filterUpToDate = false;
+      if (val > 255) {
+          return 255;
+      }
+      else if (val < 0) {
+          return 0;
+      }
+      else {
+          return Math.round(val);
+      }
+  });
   /**
   * get/set filter red value
   * @name red
@@ -33,7 +44,18 @@
   * @returns {Integer}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'green', 0, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'green', 0, function(val) {
+      this._filterUpToDate = false;
+      if (val > 255) {
+          return 255;
+      }
+      else if (val < 0) {
+          return 0;
+      }
+      else {
+          return Math.round(val);
+      }
+  });
   /**
   * get/set filter green value
   * @name green
@@ -43,7 +65,18 @@
   * @returns {Integer}
   */
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'blue', 0, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'blue', 0, function(val) {
+      this._filterUpToDate = false;
+      if (val > 255) {
+          return 255;
+      }
+      else if (val < 0) {
+          return 0;
+      }
+      else {
+          return Math.round(val);
+      }
+  });
   /**
   * get/set filter blue value
   * @name blue
diff --git a/src/filters/Threshold.js b/src/filters/Threshold.js
index f998684b..b2917824 100644
--- a/src/filters/Threshold.js
+++ b/src/filters/Threshold.js
@@ -21,7 +21,7 @@
     }
   };
 
-  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'threshold', 0.5, function() {this._filterUpToDate = false;});
+  Kinetic.Factory.addGetterSetter(Kinetic.Node, 'threshold', 0.5, function(val) {this._filterUpToDate = false;return val;});
 
   /**
   * get/set threshold.  Must be a value between 0 and 1
diff --git a/src/shapes/Text.js b/src/shapes/Text.js
index f1885a4b..9dd96584 100644
--- a/src/shapes/Text.js
+++ b/src/shapes/Text.js
@@ -433,7 +433,8 @@
      * text.wrap('word');
      */
 
-    Kinetic.Factory.addGetter(Kinetic.Text, TEXT, EMPTY_STRING);
+    Kinetic.Factory.addGetter(Kinetic.Text, 'text', EMPTY_STRING);
+    Kinetic.Factory.addOverloadedGetterSetter(Kinetic.Text, 'text');
 
     /**
      * get/set text