filters fixes

src/filters/Emboss.js

@@ -67,6 +67,8 @@
                 dirY = 0;
                 dirX = -1;
                 break;
+            default:
+                Konva.Util.error('Unknwo emboss direction: ' + direction);
         }
 
         do {

src/filters/Pixelate.js

@@ -29,6 +29,11 @@
             xBin, yBin, pixelsInBin;
         imageData = imageData.data;
 
+        if (pixelSize <= 0) {
+            Konva.Util.error('pixelSize value can not be <= 0');
+            return;
+        }
+
         for (xBin = 0; xBin < nBinsX; xBin += 1) {
             for (yBin = 0; yBin < nBinsY; yBin += 1) {
 

src/filters/Posterize.js

@@ -12,7 +12,7 @@
      * @example
      * node.cache();
      * node.filters([Konva.Filters.Posterize]);
-     * node.levels(0.8);
+     * node.levels(0.8); // between 0 and 1
      */
 
     Konva.Filters.Posterize = function (imageData) {

test/unit/shapes/Text-test.js

@@ -1,6 +1,6 @@
 'use strict';
 
-suite('Text', function(){
+suite.only('Text', function(){
     // ======================================================
     test('text with empty config is allowed', function() {
         var stage = addStage();
@@ -206,7 +206,7 @@ suite('Text', function(){
             y: 10,
             text: 'HEADING\n\nAll the world\'s a stage, merely players. They have their exits and their entrances; And one man in his time plays many parts.',
             //text: 'HEADING\n\nThis is a really cool paragraph. \n And this is a footer.',
-            fontSize: 24,
+            fontSize: 14,
             fontFamily: 'Calibri',
             fontStyle: 'normal',
             fill: '#555',
@@ -214,32 +214,20 @@ suite('Text', function(){
             width: 380,
             //width: 200,
             padding: 10,
+            lineHeight: 2,
             align: 'center',
             draggable: true,
             wrap: 'WORD'
         });
 
+        rect.height(text.getHeight());
         // center text box
         //text.setOffset(text.getBoxWidth() / 2, text.getBoxHeight() / 2);
 
         layer.add(rect).add(text);
         stage.add(layer);
 
-        assert.equal(text.getLineHeight(), 1);
-
-         /*
-         text.transitionTo({
-             width: 50,
-             duration: 20
-         });
-
-         rect.transitionTo({
-             width: 50,
-             duration: 20
-         });
-         */
-
-
+        assert.equal(text.getLineHeight(), 20);
     });
 
     // ======================================================
@@ -443,5 +431,4 @@ suite('Text', function(){
         assert.equal(data[3], 255, '255 alpha - fully visible');
     });
 
-
 });