Added: Incorrect image orientation

rainloop/v/0.0.0/app/libraries/Imagine/Gd/Effects.php

@@ -0,0 +1,109 @@
+<?php
+
+/*
+ * This file is part of the Imagine package.
+ *
+ * (c) Bulat Shakirzyanov <mallluhuct@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Imagine\Gd;
+
+use Imagine\Effects\EffectsInterface;
+use Imagine\Exception\RuntimeException;
+use Imagine\Image\Palette\Color\ColorInterface;
+use Imagine\Image\Palette\Color\RGB as RGBColor;
+
+/**
+ * Effects implementation using the GD library
+ */
+class Effects implements EffectsInterface
+{
+    private $resource;
+
+    public function __construct($resource)
+    {
+        $this->resource = $resource;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function gamma($correction)
+    {
+        if (false === imagegammacorrect($this->resource, 1.0, $correction)) {
+            throw new RuntimeException('Failed to apply gamma correction to the image');
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function negative()
+    {
+        if (false === imagefilter($this->resource, IMG_FILTER_NEGATE)) {
+           throw new RuntimeException('Failed to negate the image');
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function grayscale()
+    {
+        if (false === imagefilter($this->resource, IMG_FILTER_GRAYSCALE)) {
+           throw new RuntimeException('Failed to grayscale the image');
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function colorize(ColorInterface $color)
+    {
+        if (!$color instanceof RGBColor) {
+            throw new RuntimeException('Colorize effects only accepts RGB color in GD context');
+        }
+
+        if (false === imagefilter($this->resource, IMG_FILTER_COLORIZE, $color->getRed(), $color->getGreen(), $color->getBlue())) {
+            throw new RuntimeException('Failed to colorize the image');
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function sharpen()
+    {
+        $sharpenMatrix = array(array(-1,-1,-1), array(-1,16,-1), array(-1,-1,-1));
+        $divisor = array_sum(array_map('array_sum', $sharpenMatrix));
+
+        if (false === imageconvolution($this->resource, $sharpenMatrix, $divisor, 0)) {
+            throw new RuntimeException('Failed to sharpen the image');
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function blur($sigma = 1)
+    {
+        if (false === imagefilter($this->resource, IMG_FILTER_GAUSSIAN_BLUR)) {
+            throw new RuntimeException('Failed to blur the image');
+        }
+
+        return $this;
+    }
+}