Adding new a couple new filters for images so some effects can applie…

…d to them.

src/Munee/Asset/Filter/Image/Colorize.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Munee: Optimising Your Assets
+ *
+ * @copyright Cody Lundquist 2013
+ * @license http://opensource.org/licenses/mit-license.php
+ */
+
+namespace Munee\Asset\Filter\Image;
+
+use Munee\Asset\Filter;
+use Imagine\Gd\Imagine;
+use Imagine\Image\Color;
+
+/**
+ * Colorize Filter for Images
+ *
+ * @author Cody Lundquist
+ */
+class Colorize extends Filter
+{
+    /**
+     * @var array
+     */
+    protected $_allowedParams = array(
+        'colorize' => array(
+            'regex' => '[A-Fa-f0-9]{3}$|^[A-Fa-f0-9]{6}',
+            'cast' => 'string'
+        )
+    );
+
+    /**
+     * Turn an image Grayscale
+     *
+     * @param string $file
+     * @param array $arguments
+     *
+     * @return void
+     */
+    public function doFilter($file, $arguments)
+    {
+        $Imagine = new Imagine();
+        $image = $Imagine->open($file);
+        $colour = new Color('#' . $arguments['colorize']);
+        $image->effects()->colorize($colour);
+        $image->save($file);
+    }
+}

src/Munee/Asset/Filter/Image/Grayscale.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Munee: Optimising Your Assets
+ *
+ * @copyright Cody Lundquist 2013
+ * @license http://opensource.org/licenses/mit-license.php
+ */
+
+namespace Munee\Asset\Filter\Image;
+
+use Munee\Asset\Filter;
+use Imagine\Gd\Imagine;
+
+/**
+ * Grayscale Filter for Images
+ *
+ * @author Cody Lundquist
+ */
+class Grayscale extends Filter
+{
+    /**
+     * @var array
+     */
+    protected $_allowedParams = array(
+        'grayscale' => array(
+            'regex' => 'true|false|t|f|yes|no|y|n',
+            'default' => 'false',
+            'cast' => 'boolean'
+        )
+    );
+
+    /**
+     * Turn an image Grayscale
+     *
+     * @param string $file
+     * @param array $arguments
+     *
+     * @return void
+     */
+    public function doFilter($file, $arguments)
+    {
+        if (! $arguments['grayscale']) {
+            return;
+        }
+
+        $Imagine = new Imagine();
+        $image = $Imagine->open($file);
+        $image->effects()->grayscale();
+        $image->save($file);
+    }
+}

src/Munee/Asset/Filter/Image/Negative.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Munee: Optimising Your Assets
+ *
+ * @copyright Cody Lundquist 2013
+ * @license http://opensource.org/licenses/mit-license.php
+ */
+
+namespace Munee\Asset\Filter\Image;
+
+use Munee\Asset\Filter;
+use Imagine\Gd\Imagine;
+
+/**
+ * Negative Filter for Images
+ *
+ * @author Cody Lundquist
+ */
+class Negative extends Filter
+{
+    /**
+     * @var array
+     */
+    protected $_allowedParams = array(
+        'negative' => array(
+            'regex' => 'true|false|t|f|yes|no|y|n',
+            'cast' => 'string'
+        )
+    );
+
+    /**
+     * Turn an image Grayscale
+     *
+     * @param string $file
+     * @param array $arguments
+     *
+     * @return void
+     */
+    public function doFilter($file, $arguments)
+    {
+        $Imagine = new Imagine();
+        $image = $Imagine->open($file);
+        $image->effects()->negative();
+        $image->save($file);
+    }
+}

src/Munee/Asset/Filter/Image/Resize.php

@@ -10,6 +10,7 @@
 
 use Munee\Asset\Filter;
 use Munee\ErrorException;
+use Imagine\Gd\Imagine;
 use Imagine\Image\ImageInterface;
 use Imagine\Image\Box;
 use Imagine\Image\Color;
@@ -27,10 +28,9 @@ class Resize extends Filter
      */
     protected $_allowedParams = array(
         'resize' => array(
-            'alias' => 'r',
             'arguments' => array(
                 'width' => array(
-                    'alias' => array('w'),
+                    'alias' => 'w',
                     'regex' => '\d+',
                     'cast' => 'integer'
                 ),
@@ -74,7 +74,7 @@ class Resize extends Filter
                         'fill_colour',
                         'fill-colour'
                     ),
-                    'regex' => '[A-Fa-f0-9]{3,6}',
+                    'regex' => '[A-Fa-f0-9]{3}$|^[A-Fa-f0-9]{6}',
                     'default' => 'ffffff',
                     'cast' => 'string'
                 )
@@ -99,7 +99,7 @@ public function doFilter($originalImage, $arguments)
             throw new ErrorException('You must set at least the height (h) or the width (w)');
         }
 
-        $Imagine = new \Imagine\Gd\Imagine();
+        $Imagine = new Imagine();
         $image = $Imagine->open($originalImage);
 
         $size = $image->getSize();