Image_class

system/Image/GD.php

@@ -0,0 +1,199 @@
+<?php namespace CodeIgniter\Image;
+
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2016, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	CodeIgniter Dev Team
+ * @copyright	Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license	http://opensource.org/licenses/MIT	MIT License
+ * @link	http://codeigniter.com
+ * @since	Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * Image manipulation GD API.
+ *
+ * @package CodeIgniter\Image
+ */
+class GD extends Image implements ImageInterface
+{
+    /**
+     * Function to resize image.
+     * 
+     * @param resource $image
+     * @param int $new_width
+     * @param int $new_height
+     * @return resource
+     */
+    public function resize(int $new_width, int $new_height): resource
+    {
+        imagescale($this->resource, $new_width, $new_height);
+
+        return $this->resource;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::crop()
+     */
+    public function crop(int $x, int $y, int $new_width, int $new_height): resource
+    {
+        imagecrop($this->resource, ['x' => $x, 'y' => $y,
+                        'width' => $new_width, 'height' => $new_height]);
+
+        return $this->resource;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::rotate()
+     */
+    public function rotate(int $angle, string $bg_color = 'fff', string $transparency = 0): resource
+    {
+        imagerotate($this->resource, $angle, $bgd_color, $transparency);
+
+        return $this->resource;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::flip()
+     */
+    public function flip(string $mode): resource
+    {
+        imageflip($this->resource, $mode);
+
+        return $this->resource;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::thumbnail()
+     */
+    public function thumbnail(int $thumbWidth): resource
+    {
+        $width = imagesx($this->resource);
+        $height = imagesy($this->resource);
+
+        $new_width = $thumbWidth;
+        $new_height = floor( $height * ( $thumbWidth / $width ) );
+
+        $thumb = imagecreatetruecolor($new_width, $new_height);
+
+        imagecopyresized($thumb, $this->resource, 0, 0, 0, 0, $new_width, $new_height,
+                $width, $height);
+
+        return $thumb;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::watermark()
+     */
+    public function watermark(string $text, int $width = 100, int $height = 50, int $font = 5): resource
+    {
+        $width = imagesx($this->resource) * ($width / 100);
+        $height = imagesy($this->resource) * ($height / 100);
+
+        $stamp = imagecreate($width, $height);
+
+        imagefilltoborder($stamp, 0, 0, imagecolorallocate($this->resource, 0, 0, 0),
+                imagecolorallocate($this->resource, 010, 010, 010));
+
+        $x = $width / 10;
+        $y = $height / 10;
+        $color = imagecolorallocate($stamp, 0, 0, 255);
+        imagestring($stamp, $font, $x, $y, $text, $color);
+
+        imagecopymerge($this->resource, $stamp, 0, 0, 0, 0, $width, $height, 50);
+
+        return $this->resource;
+
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::convert()
+     */
+    public function convert(string $final_name, string $format): resource
+    {
+        switch ($format)
+        {
+            case 'jpg':
+                imagejpeg($this->resoruce, $final_name);
+            case 'png':
+                imagepng($this->resource, $final_name);
+        } 
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::restoreOrientation()
+     */
+    public function resetOrientation()
+    {
+
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::compress()
+     */
+    public function compress()
+    {
+
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     * @see \CodeIgniter\Image\ImageInterface::copy()
+     */
+    public function copy()
+    {
+
+    }
+}

system/Image/Gmagick.php

@@ -0,0 +1 @@
+<?php

system/Image/Image.php

@@ -0,0 +1,163 @@
+<?php namespace CodeIgniter\Image;
+
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2016, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	CodeIgniter Dev Team
+ * @copyright	Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license	http://opensource.org/licenses/MIT	MIT License
+ * @link	http://codeigniter.com
+ * @since	Version 3.0.0
+ * @filesource
+ */
+
+/**
+ * Image manipulation factory.
+ *
+ * Creates and returns an instance of the appropriate image manipulation processor.
+ *
+ * @package CodeIgniter\Image
+ */
+class Image
+{
+    protected $driver;
+    protected $resource;
+    protected $imageFullPath;
+    protected $imageFolder;
+    protected $imageFilename;
+    protected $imageExtension;  
+    protected $mime;
+
+    protected $imageTypes = [
+            'jpg',
+            'jpeg',
+            'png',
+            'gif',
+            'tiff'
+    ];
+
+    // ------------------------------------------------------------------
+
+    /**
+     * @param string $driver
+     * @return resource
+     */
+    public function load(string $driver): resource
+    {
+        $classname = "Codeigniter\\Image\\$driver";
+        return new $classname;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * @param string $folder
+     * @return resource
+     */
+    public function setFolder(string $folder): resource
+    {
+        $this->imageFolder = $folder;
+        return $this;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * @param string $filename
+     * @return resource
+     */
+    public function setFilename(string $filename): resource
+    {
+        $this->imageFilename = $filename;
+        return $this;
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * @param string $extension
+     * @throws \InvalidArgumentException
+     * @return resource
+     */
+    public function setExtension(string $extension): resource
+    {
+        if (in_array($extension, $this->imageTypes))
+        {
+            $this->imageExtension = strtolower($extension);
+            return $this;
+        }
+        else
+        {
+            throw new \InvalidArgumentException('Image extension is not allowed');
+        }
+    }
+
+    // ------------------------------------------------------------------
+
+    /**
+     * @param string $full_image_path
+     * @throws \InvalidArgumentException
+     * @return resource
+     */
+    public function image(string $full_image_path = false, $driver): resource
+    {
+        if ($full_image_path)
+        {
+            $route = pathinfo($full_image_path);
+            $this->imageFilename = $route['filename'];
+            $this->imageFolder = $route['dirname'];
+            $extension = $rute['extension'];
+
+            if (in_array($extension, $this->imageTypes))
+            {
+                $this->imageExtension = strtolower($extension);
+            }
+            else
+            {
+                throw new \InvalidArgumentException('Image extension is not allowed');
+            }
+        }
+
+        $this->imageFullPath = BASEPATH.$this->imageFolder.'/'.$this->imageFilename.'.'.
+                $this->imageExtension;
+
+        $this->mime = "image/$this->imageExtension";
+
+        if(file_exists($this->imageFullPath))
+        {
+            header('content_type :'.$this->mime);
+            $this->resource = readfile($this->imageFullPath);
+        }
+        else 
+        {
+            throw new \InvalidArgumentException('No image found in specified location');
+        }
+
+        return $this->load($driver);
+    }
+}