From 7f0dc2085bd2cd7df2ddd29df764513bd6235c4f Mon Sep 17 00:00:00 2001
From: Eric Rowell <erowell83@gmail.com>
Date: Fri, 3 Jan 2014 23:23:53 -0800
Subject: [PATCH] changed Levels filter to Posterize

---
 Gruntfile.js                                  |  2 +-
 src/filters/{Levels.js => Posterize.js}       | 70 +++++++++----------
 test/runner.html                              |  2 +-
 .../{Levels-test.js => Posterize-test.js}     |  8 +--
 4 files changed, 41 insertions(+), 41 deletions(-)
 rename src/filters/{Levels.js => Posterize.js} (65%)
 rename test/unit/filters/{Levels-test.js => Posterize-test.js} (87%)

diff --git a/Gruntfile.js b/Gruntfile.js
index c4c9adf0..e415abfa 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -19,7 +19,7 @@ module.exports = function(grunt) {
     'src/filters/HSV.js',
     'src/filters/ConvolvePack.js',
     'src/filters/Enhance.js',
-    'src/filters/Levels.js',
+    'src/filters/Posterize.js',
     'src/filters/Noise.js',
     'src/filters/Pixelate.js',
     'src/filters/Polar.js',
diff --git a/src/filters/Levels.js b/src/filters/Posterize.js
similarity index 65%
rename from src/filters/Levels.js
rename to src/filters/Posterize.js
index 7ef0d683..9f985d80 100644
--- a/src/filters/Levels.js
+++ b/src/filters/Posterize.js
@@ -1,36 +1,36 @@
-(function () {
-
-  /**
-   * Levels Filter. Adjusts the channels so that there are no more
-   *  than n different values for that channel. This is also applied
-   *  to the alpha channel.
-   * @function
-   * @author ippo615
-   * @memberof Kinetic.Filters
-   * @param {Object} imageData
-   */
-
-  Kinetic.Filters.Levels = function (imageData) {
-    // level must be between 1 and 255
-    var level = Math.round(this.level() * 254) + 1,
-        data = imageData.data,
-        len = data.length,
-        scale = (255 / level),
-        i;
-
-    for (i = 0; i < len; i += 1) {
-      data[i] = Math.floor(data[i] / scale) * scale;
-    }
-  };
-
-  Kinetic.Factory.addFilterGetterSetter(Kinetic.Node, 'level', 0.5);
-
-  /**
-  * get/set levels.  Must be a number between 0 and 1
-  * @name level
-  * @method
-  * @memberof Kinetic.Node.prototype
-  * @param {Number} level between 0 and 1
-  * @returns {Number}
-  */
+(function () {
+
+  /**
+   * Posterize Filter. Adjusts the channels so that there are no more
+   *  than n different values for that channel. This is also applied
+   *  to the alpha channel.
+   * @function
+   * @author ippo615
+   * @memberof Kinetic.Filters
+   * @param {Object} imageData
+   */
+
+  Kinetic.Filters.Posterize = function (imageData) {
+    // level must be between 1 and 255
+    var levels = Math.round(this.levels() * 254) + 1,
+        data = imageData.data,
+        len = data.length,
+        scale = (255 / levels),
+        i;
+
+    for (i = 0; i < len; i += 1) {
+      data[i] = Math.floor(data[i] / scale) * scale;
+    }
+  };
+
+  Kinetic.Factory.addFilterGetterSetter(Kinetic.Node, 'levels', 0.5);
+
+  /**
+  * get/set levels.  Must be a number between 0 and 1
+  * @name levels
+  * @method
+  * @memberof Kinetic.Node.prototype
+  * @param {Number} level between 0 and 1
+  * @returns {Number}
+  */
 })();
\ No newline at end of file
diff --git a/test/runner.html b/test/runner.html
index 865c3512..5e2d1abe 100644
--- a/test/runner.html
+++ b/test/runner.html
@@ -94,7 +94,7 @@
     <script src="unit/filters/Pixelate-test.js"></script>
     <script src="unit/filters/Noise-test.js"></script>
     <script src="unit/filters/Threshold-test.js"></script>
-    <script src="unit/filters/Levels-test.js"></script>
+    <script src="unit/filters/Posterize-test.js"></script>
 
     <script src="unit/filters/Sepia-test.js"></script>
  
diff --git a/test/unit/filters/Levels-test.js b/test/unit/filters/Posterize-test.js
similarity index 87%
rename from test/unit/filters/Levels-test.js
rename to test/unit/filters/Posterize-test.js
index 70405adf..ae2b62db 100644
--- a/test/unit/filters/Levels-test.js
+++ b/test/unit/filters/Posterize-test.js
@@ -1,4 +1,4 @@
-suite('Levels', function () {
+suite('Posterize', function () {
 
     // ======================================================
     test('on image tween', function(done) {
@@ -19,14 +19,14 @@ suite('Levels', function () {
             stage.add(layer);
 
             darth.cache();
-            darth.filters([Kinetic.Filters.Levels]);
-            darth.level(0.2);
+            darth.filters([Kinetic.Filters.Posterize]);
+            darth.levels(0.2);
             layer.draw();
 
             var tween = new Kinetic.Tween({
               node: darth, 
               duration: 1.0,
-              level: 0,
+              levels: 0,
               easing: Kinetic.Easings.Linear
             });