Added: Incorrect image orientation

rainloop/v/0.0.0/app/libraries/Imagine/Image/Palette/Grayscale.php

@@ -0,0 +1,123 @@
+<?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\Image\Palette;
+
+use Imagine\Image\Palette\Color\Gray as GrayColor;
+use Imagine\Image\Palette\Color\ColorInterface;
+use Imagine\Image\ProfileInterface;
+use Imagine\Image\Profile;
+use Imagine\Exception\RuntimeException;
+
+class Grayscale implements PaletteInterface
+{
+    /**
+     * @var ColorParser
+     */
+    private $parser;
+
+    /**
+     * @var ProfileInterface
+     */
+    private $profile;
+
+    /**
+     * @var array
+     */
+    protected static $colors = array();
+
+    public function __construct()
+    {
+        $this->parser = new ColorParser();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function name()
+    {
+        return PaletteInterface::PALETTE_GRAYSCALE;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function pixelDefinition()
+    {
+        return array(ColorInterface::COLOR_GRAY);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsAlpha()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function useProfile(ProfileInterface $profile)
+    {
+        $this->profile = $profile;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function profile()
+    {
+        if (!$this->profile) {
+            $this->profile = Profile::fromPath(__DIR__ . '/../../resources/colormanagement.org/ISOcoated_v2_grey1c_bas.ICC');
+        }
+
+        return $this->profile;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function color($color, $alpha = null)
+    {
+        if (null === $alpha) {
+            $alpha = 0;
+        }
+
+        $color = $this->parser->parseToGrayscale($color);
+        $index = sprintf('#%02x%02x%02x-%d', $color[0], $color[0], $color[0], $alpha);
+
+        if (false === array_key_exists($index, static::$colors)) {
+            static::$colors[$index] = new GrayColor($this, $color, $alpha);
+        }
+
+        return static::$colors[$index];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function blend(ColorInterface $color1, ColorInterface $color2, $amount)
+    {
+        if (!$color1 instanceof GrayColor || ! $color2 instanceof GrayColor) {
+            throw new RuntimeException('Grayscale palette can only blend Grayscale colors');
+        }
+
+        return $this->color(
+            array(
+                (int) min(255, min($color1->getGray(), $color2->getGray()) + round(abs($color2->getGray() - $color1->getGray()) * $amount)),
+            ),
+            (int) min(100, min($color1->getAlpha(), $color2->getAlpha()) + round(abs($color2->getAlpha() - $color1->getAlpha()) * $amount))
+        );
+    }
+}