added legacy resizing method

README.md

@@ -21,22 +21,18 @@ Open your Laravel config file `config/app.php` and add the following lines.
 In the `$providers` array add the service providers for this package.
     
     'providers' => array(
-
         ...
 
         'Intervention\Image\ImageServiceProvider'
-
     ),
     
 
 Add the facade of this package to the `$aliases` array.
 
     'aliases' => array(
-
         ...
 
         'Image' => 'Intervention\Image\Facades\Image'
-
     ),
 
 ## Usage
@@ -85,7 +81,7 @@ $img->resize(300, null, true);
 // resize the image to a height of 200 and constrain aspect ratio (auto width)
 $img->resize(null, 200, true);
 
-// prevent upsizing with optional fourth parameter
+// prevent possible upsizing with optional fourth parameter
 $img->resize(null, 400, true, false);
 
 // Reset image resource to original

src/Intervention/Image/Image.php

@@ -200,6 +200,12 @@ class Image
      */
     public function resize($width = null, $height = null, $ratio = false, $upsize = true)
     {
+        // catch legacy call
+        if (is_array($width)) {
+            $dimensions = $width;
+            return $this->legacyResize($dimensions);
+        }
+
         // Evaluate passed parameters.
         $width = isset($width) ? intval($width) : null;
         $height = $max_height = isset($height) ? intval($height) : null;
@@ -275,6 +281,19 @@ class Image
         return $this->modify(0, 0, 0, 0, $width, $height, $this->width, $this->height);
     }
 
+    /**
+     * Legacy method to support old resizing calls
+     * 
+     * @param  array  $dimensions
+     * @return Image
+     */
+    public function legacyResize($dimensions = array())
+    {
+        $width = array_key_exists('width', $dimensions) ? intval($dimensions['width']) : null;
+        $height = array_key_exists('height', $dimensions) ? intval($dimensions['height']) : null;
+        return $this->resize($width, $height, true);
+    }
+
     /**
      * Cut out a detail of the image in given ratio and resize to output size
      *

tests/ImageTest.php

@@ -107,6 +107,25 @@ class ImageTest extends PHPUnit_Framework_Testcase
         $this->assertEquals($img->height, $original_height);
     }
 
+    public function testLegacyResize()
+    {
+        // auto height
+        $img = $this->getTestImage();
+        $img->resize(array('width' => '320'));
+        $this->assertInternalType('int', $img->width);
+        $this->assertInternalType('int', $img->height);
+        $this->assertEquals($img->width, 320);
+        $this->assertEquals($img->height, 240);
+
+        // auto width
+        $img = $this->getTestImage();
+        $img->resize(array('height' => '240'));
+        $this->assertInternalType('int', $img->width);
+        $this->assertInternalType('int', $img->height);
+        $this->assertEquals($img->width, 320);
+        $this->assertEquals($img->height, 240);
+    }
+
     public function testGrabImage()
     {
         $img = $this->getTestImage();