Test enhancement

.travis.yml

@@ -1,7 +1,20 @@
 language: php
+
 php:
   - 5.4
   - 5.5
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
+  - nightly
+
+before_script:
+  - composer install
+
+script:
+  - mkdir -p build/logs
+  - ./vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+
+after_script:
+  - php vendor/bin/coveralls -v

README.md

@@ -129,9 +129,9 @@ In the case of the example above, an image of 400px × 600px will be resize
 
 Crop modes:
 
-Few crop mode options are available in order for you to choose how you want to handle the eventual exceeding width or height after resizing down your image. 
+Few crop mode options are available in order for you to choose how you want to handle the eventual exceeding width or height after resizing down your image.
 The default crop mode used is the `CROPCENTER`.
-As a result those pieces of code are equivalent: 
+As a result those pieces of code are equivalent:
 
 ```php
 $image = new ImageResize('image.jpg');
@@ -269,7 +269,7 @@ By default, [image interlacing](http://php.net/manual/en/function.imageinterlace
 $image = new ImageResize('image.jpg');
 $image->scale(50);
 $image->interlace = 0;
-$image->save('image2.jpg')
+$image->save('image2.jpg');
 ```
 
 Chaining
@@ -305,26 +305,26 @@ try{
     $image = new ImageResize(null);
     echo "This line will not be printed";
 } catch (ImageResizeException $e) {
-    echo "Something went wrong" . $e->getMessage();  
+    echo "Something went wrong" . $e->getMessage();
 }
 ```
- 
+
 Filters
 --------
- 
-You can apply special effects for new image like blur or add banner. 
+
+You can apply special effects for new image like blur or add banner.
 
 ```php
 $image = new ImageResize('image.jpg');
 
 // Add blure
-$image->addFIlter(function ($imageDesc) {
+$image->addFilter(function ($imageDesc) {
     imagefilter($imageDesc, IMG_FILTER_GAUSSIAN_BLUR);
 });
 
 // Add banner on bottom left corner
 $image18Plus = 'banner.png'
-$image->addFIlter(function ($imageDesc) use ($image18Plus) {
+$image->addFilter(function ($imageDesc) use ($image18Plus) {
     $logo = imagecreatefrompng($image18Plus);
     $logo_width = imagesx($logo);
     $logo_height = imagesy($logo);
@@ -336,10 +336,23 @@ $image->addFIlter(function ($imageDesc) use ($image18Plus) {
 });
 
 ```
-
+
+Flip
+--------
+
+Flips an image using a given mode and this method is only for PHP version 5.4.
+
+```php
+$flip = new ImageResize('image.png');
+$image = imagecreatetruecolor(200, 100);
+
+$flip->imageFlip($image, 0);
+
+```
+
 Both functions will be used in the order in which they were added.
- 
- 
+
+
 API Doc
 -------
 

composer.json

@@ -12,16 +12,27 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
-        "ext-gd": "*"
+        "php": ">=5.4.0",
+        "ext-gd": "*",
+        "ext-fileinfo": "*"
     },
     "suggest": {
         "ext-exif": "Auto-rotate jpeg files"
     },
     "autoload": {
-        "classmap": ["lib"]
+        "psr-4": {
+            "Gumlet\\": "lib/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Gumlet\\": "test/"
+        }
     },
     "require-dev": {
-        "apigen/apigen": "^4.1"
+        "phpunit/phpunit": "^4.8",
+        "php-coveralls/php-coveralls": "dev-master || ^1.0",
+        "ext-exif": "*",
+        "ext-gd": "*"
     }
 }

lib/ImageResize.php

@@ -14,6 +14,9 @@ class ImageResize
     const CROPLEFT = 4;
     const CROPRIGHT = 5;
     const CROPTOPCENTER = 6;
+    const IMG_FLIP_HORIZONTAL = 0;
+    const IMG_FLIP_VERTICAL = 1;
+    const IMG_FLIP_BOTH = 2;
 
     public $quality_jpg = 85;
     public $quality_webp = 85;
@@ -79,11 +82,12 @@ public function addFilter(callable $filter)
      * Apply filters.
      *
      * @param $image resource an image resource identifier
+     * @param $filterType filter type and default value is IMG_FILTER_NEGATE
      */
-    protected function applyFilter($image)
+    protected function applyFilter($image, $filterType = IMG_FILTER_NEGATE)
     {
         foreach ($this->filters as $function) {
-            $function($image);
+            $function($image, $filterType);
         }
     }
 
@@ -149,7 +153,6 @@ public function __construct($filename)
 
         default:
             throw new ImageResizeException('Unsupported image type');
-            break;
         }
 
         if (!$this->source_image) {
@@ -185,7 +188,11 @@ public function imageCreateJpegfromExif($filename)
         }
 
         if ($orientation === 5 || $orientation === 4 || $orientation === 7) {
-            imageflip($img, IMG_FLIP_HORIZONTAL);
+            if(function_exists('imageflip')) {
+                imageflip($img, IMG_FLIP_HORIZONTAL);
+            } else {
+                $this->imageFlip($img, IMG_FLIP_HORIZONTAL);
+            }
         }
 
         return $img;
@@ -571,7 +578,7 @@ public function crop($width, $height, $allow_enlarge = false, $position = self::
      */
     public function freecrop($width, $height, $x = false, $y = false)
     {
-        if ($x === false or $y === false) {
+        if ($x === false || $y === false) {
             return $this->crop($width, $height);
         }
         $this->source_x = $x;
@@ -658,59 +665,51 @@ protected function getCropPosition($expectedSize, $position = self::CROPCENTER)
         }
         return $size;
     }
-}
-
-// imageflip definition for PHP < 5.5
-if (!function_exists('imageflip')) {
-    define('IMG_FLIP_HORIZONTAL', 0);
-    define('IMG_FLIP_VERTICAL', 1);
-    define('IMG_FLIP_BOTH', 2);
 
-    function imageflip($image, $mode)
+    /**
+     *  Flips an image using a given mode if PHP version is lower than 5.5
+     *
+     * @param  resource $image
+     * @param  integer  $mode
+     * @return null
+     */
+    public function imageFlip($image, $mode)
     {
-        switch ($mode) {
-        case IMG_FLIP_HORIZONTAL: {
-            $max_x = imagesx($image) - 1;
-            $half_x = $max_x / 2;
-            $sy = imagesy($image);
-            $temp_image = imageistruecolor($image)? imagecreatetruecolor(1, $sy): imagecreate(1, $sy);
-            for ($x = 0; $x < $half_x; ++$x) {
-                imagecopy($temp_image, $image, 0, 0, $x, 0, 1, $sy);
-                imagecopy($image, $image, $x, 0, $max_x - $x, 0, 1, $sy);
-                imagecopy($image, $temp_image, $max_x - $x, 0, 0, 0, 1, $sy);
+        switch($mode) {
+            case self::IMG_FLIP_HORIZONTAL: {
+                $max_x = imagesx($image) - 1;
+                $half_x = $max_x / 2;
+                $sy = imagesy($image);
+                $temp_image = imageistruecolor($image)? imagecreatetruecolor(1, $sy): imagecreate(1, $sy);
+                for ($x = 0; $x < $half_x; ++$x) {
+                    imagecopy($temp_image, $image, 0, 0, $x, 0, 1, $sy);
+                    imagecopy($image, $image, $x, 0, $max_x - $x, 0, 1, $sy);
+                    imagecopy($image, $temp_image, $max_x - $x, 0, 0, 0, 1, $sy);
+                }
+                break;
             }
-            break;
-        }
-case IMG_FLIP_VERTICAL: {
-    $sx = imagesx($image);
-    $max_y = imagesy($image) - 1;
-    $half_y = $max_y / 2;
-    $temp_image = imageistruecolor($image)? imagecreatetruecolor($sx, 1): imagecreate($sx, 1);
-    for ($y = 0; $y < $half_y; ++$y) {
-        imagecopy($temp_image, $image, 0, 0, 0, $y, $sx, 1);
-        imagecopy($image, $image, 0, $y, 0, $max_y - $y, $sx, 1);
-        imagecopy($image, $temp_image, 0, $max_y - $y, 0, 0, $sx, 1);
-    }
-    break;
-}
-case IMG_FLIP_BOTH: {
-    $sx = imagesx($image);
-    $sy = imagesy($image);
-    $temp_image = imagerotate($image, 180, 0);
-    imagecopy($image, $temp_image, 0, 0, 0, 0, $sx, $sy);
-    break;
-}
-default: {
-    return;
-}
+            case self::IMG_FLIP_VERTICAL: {
+                $sx = imagesx($image);
+                $max_y = imagesy($image) - 1;
+                $half_y = $max_y / 2;
+                $temp_image = imageistruecolor($image)? imagecreatetruecolor($sx, 1): imagecreate($sx, 1);
+                for ($y = 0; $y < $half_y; ++$y) {
+                    imagecopy($temp_image, $image, 0, 0, 0, $y, $sx, 1);
+                    imagecopy($image, $image, 0, $y, 0, $max_y - $y, $sx, 1);
+                    imagecopy($image, $temp_image, 0, $max_y - $y, 0, 0, $sx, 1);
+                }
+                break;
+            }
+            case self::IMG_FLIP_BOTH: {
+                $sx = imagesx($image);
+                $sy = imagesy($image);
+                $temp_image = imagerotate($image, 180, 0);
+                imagecopy($image, $temp_image, 0, 0, 0, 0, $sx, $sy);
+                break;
+            }
+            default:
+                return null;
         }
         imagedestroy($temp_image);
     }
 }
-
-/**
- * PHP Exception used in the ImageResize class
- */
-class ImageResizeException extends \Exception
-{
-}

lib/ImageResizeException.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Gumlet;
+
+/**
+ * PHP Exception used in the ImageResize class
+ */
+class ImageResizeException extends \Exception
+{
+}

phpunit.xml

@@ -1,15 +1,14 @@
-<phpunit colors="true">
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="vendor/autoload.php" colors="true" backupGlobals="false" 
+         backupStaticAttributes="false" syntaxCheck="false">
     <testsuites>
-        <testsuite name="php-image-resize tests">
-            <directory>test</directory>
+        <testsuite name="Tests">
+            <directory suffix="Test.php">test</directory>
         </testsuite>
     </testsuites>
     <filter>
-      <whitelist processUncoveredFilesFromWhitelist="true">
-        <directory suffix=".php">lib</directory>
-      </whitelist>
+        <whitelist processUncoveredFilesFromWhitelist="false">
+            <directory suffix=".php">lib</directory>
+        </whitelist>
     </filter>
-    <logging>
-        <log type="coverage-text" target="php://stdout"/>
-    </logging>
 </phpunit>

test/ImageResizeExceptionTest.php

@@ -0,0 +1,44 @@
+<?php
+
+use \Gumlet\ImageResize;
+use \Gumlet\ImageResizeException;
+use \PHPUnit\Framework\TestCase;
+
+class ImageResizeExceptionTest extends TestCase
+{
+    public function testExceptionEmpty()
+    {
+        $e = new ImageResizeException();
+
+        $this->assertEquals("", $e->getMessage());
+        $this->assertInstanceOf('\Gumlet\ImageResizeException', $e);
+    }
+
+    public function testExceptionMessage()
+    {
+        $e = new ImageResizeException("General error");
+
+        $this->assertEquals("General error", $e->getMessage());
+        $this->assertInstanceOf('\Gumlet\ImageResizeException', $e);
+    }
+
+    public function testExceptionExtending()
+    {
+        $e = new ImageResizeException("General error");
+
+        $this->assertInstanceOf('\Exception', $e);
+    }
+
+    public function testExceptionThrown()
+    {
+        try{
+            throw new ImageResizeException("General error");
+        } catch (\Exception $e) {
+            $this->assertEquals("General error", $e->getMessage());
+            $this->assertInstanceOf('\Gumlet\ImageResizeException', $e);
+            return;
+        }
+        $this->fail();
+    }
+}
+// It's pretty easy to get your attention these days, isn't it? :D