Added: Incorrect image orientation

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

@@ -0,0 +1,195 @@
+<?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\Image\AbstractImagine;
+use Imagine\Image\Metadata\MetadataBag;
+use Imagine\Image\Palette\Color\ColorInterface;
+use Imagine\Image\Palette\RGB;
+use Imagine\Image\Palette\PaletteInterface;
+use Imagine\Image\BoxInterface;
+use Imagine\Image\Palette\Color\RGB as RGBColor;
+use Imagine\Exception\InvalidArgumentException;
+use Imagine\Exception\RuntimeException;
+
+/**
+ * Imagine implementation using the GD library
+ */
+final class Imagine extends AbstractImagine
+{
+    /**
+     * @var array
+     */
+    private $info;
+
+    /**
+     * @throws RuntimeException
+     */
+    public function __construct()
+    {
+        $this->loadGdInfo();
+        $this->requireGdVersion('2.0.1');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function create(BoxInterface $size, ColorInterface $color = null)
+    {
+        $width  = $size->getWidth();
+        $height = $size->getHeight();
+
+        $resource = imagecreatetruecolor($width, $height);
+
+        if (false === $resource) {
+            throw new RuntimeException('Create operation failed');
+        }
+
+        $palette = null !== $color ? $color->getPalette() : new RGB();
+        $color = $color ? $color : $palette->color('fff');
+
+        if (!$color instanceof RGBColor) {
+            throw new InvalidArgumentException('GD driver only supports RGB colors');
+        }
+
+        $index = imagecolorallocatealpha($resource, $color->getRed(), $color->getGreen(), $color->getBlue(), round(127 * (100 - $color->getAlpha()) / 100));
+
+        if (false === $index) {
+            throw new RuntimeException('Unable to allocate color');
+        }
+
+        if (false === imagefill($resource, 0, 0, $index)) {
+            throw new RuntimeException('Could not set background color fill');
+        }
+
+        if ($color->getAlpha() >= 95) {
+            imagecolortransparent($resource, $index);
+        }
+
+        return $this->wrap($resource, $palette, new MetadataBag());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function open($path)
+    {
+        $path = $this->checkPath($path);
+        $data = @file_get_contents($path);
+
+        if (false === $data) {
+            throw new RuntimeException(sprintf('Failed to open file %s', $path));
+        }
+
+        $resource = @imagecreatefromstring($data);
+
+        if (!is_resource($resource)) {
+            throw new RuntimeException(sprintf('Unable to open image %s', $path));
+        }
+
+        return $this->wrap($resource, new RGB(), $this->getMetadataReader()->readFile($path));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function load($string)
+    {
+        return $this->doLoad($string, $this->getMetadataReader()->readData($string));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($resource)
+    {
+        if (!is_resource($resource)) {
+            throw new InvalidArgumentException('Variable does not contain a stream resource');
+        }
+
+        $content = stream_get_contents($resource);
+
+        if (false === $content) {
+            throw new InvalidArgumentException('Cannot read resource content');
+        }
+
+        return $this->doLoad($content, $this->getMetadataReader()->readStream($resource));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function font($file, $size, ColorInterface $color)
+    {
+        if (!$this->info['FreeType Support']) {
+            throw new RuntimeException('GD is not compiled with FreeType support');
+        }
+
+        return new Font($file, $size, $color);
+    }
+
+    private function wrap($resource, PaletteInterface $palette, MetadataBag $metadata)
+    {
+        if (!imageistruecolor($resource)) {
+            list($width, $height) = array(imagesx($resource), imagesy($resource));
+
+            // create transparent truecolor canvas
+            $truecolor   = imagecreatetruecolor($width, $height);
+            $transparent = imagecolorallocatealpha($truecolor, 255, 255, 255, 127);
+
+            imagefill($truecolor, 0, 0, $transparent);
+            imagecolortransparent($truecolor, $transparent);
+
+            imagecopymerge($truecolor, $resource, 0, 0, 0, 0, $width, $height, 100);
+
+            imagedestroy($resource);
+            $resource = $truecolor;
+        }
+
+        if (false === imagealphablending($resource, false) || false === imagesavealpha($resource, true)) {
+            throw new RuntimeException('Could not set alphablending, savealpha and antialias values');
+        }
+
+        if (function_exists('imageantialias')) {
+            imageantialias($resource, true);
+        }
+
+        return new Image($resource, $palette, $metadata);
+    }
+
+    private function loadGdInfo()
+    {
+        if (!function_exists('gd_info')) {
+            throw new RuntimeException('Gd not installed');
+        }
+
+        $this->info = gd_info();
+    }
+
+    private function requireGdVersion($version)
+    {
+        if (version_compare(GD_VERSION, $version, '<')) {
+            throw new RuntimeException(sprintf('GD2 version %s or higher is required', $version));
+        }
+    }
+
+    private function doLoad($string, MetadataBag $metadata)
+    {
+        $resource = @imagecreatefromstring($string);
+
+        if (!is_resource($resource)) {
+            throw new RuntimeException('An image could not be created from the given input');
+        }
+
+        return $this->wrap($resource, new RGB(), $metadata);
+    }
+}