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|
<?php
namespace Kanboard\Core;
use Pimple\Container;
/**
* Tool class
*
* @package core
* @author Frederic Guillot
*/
class Tool
{
/**
* Get the mailbox hash from an email address
*
* @static
* @access public
* @param string $email
* @return string
*/
public static function getMailboxHash($email)
{
if (! strpos($email, '@') || ! strpos($email, '+')) {
return '';
}
list($local_part, ) = explode('@', $email);
list(, $identifier) = explode('+', $local_part);
return $identifier;
}
/**
* Build dependency injection container from an array
*
* @static
* @access public
* @param Container $container
* @param array $namespaces
* @return Container
*/
public static function buildDIC(Container $container, array $namespaces)
{
foreach ($namespaces as $namespace => $classes) {
foreach ($classes as $name) {
$class = '\\Kanboard\\'.$namespace.'\\'.$name;
$container[lcfirst($name)] = function ($c) use ($class) {
return new $class($c);
};
}
}
return $container;
}
/**
* Build dependency injection container for custom helpers from an array
*
* @static
* @access public
* @param Container $container
* @param array $namespaces
* @return Container
*/
public static function buildDICHelpers(Container $container, array $namespaces)
{
foreach ($namespaces as $namespace => $classes) {
foreach ($classes as $name) {
$class = '\\Kanboard\\'.$namespace.'\\'.$name;
$container['helper']->register($name, $class);
}
}
return $container;
}
/**
* Generate a jpeg thumbnail from an image
*
* @static
* @access public
* @param string $src_file Source file image
* @param string $dst_file Destination file image
* @param integer $resize_width Desired image width
* @param integer $resize_height Desired image height
*/
public static function generateThumbnail($src_file, $dst_file, $resize_width = 250, $resize_height = 100)
{
$metadata = getimagesize($src_file);
$src_width = $metadata[0];
$src_height = $metadata[1];
$dst_y = 0;
$dst_x = 0;
if (empty($metadata['mime'])) {
return;
}
if ($resize_width == 0 && $resize_height == 0) {
$resize_width = 100;
$resize_height = 100;
}
if ($resize_width > 0 && $resize_height == 0) {
$dst_width = $resize_width;
$dst_height = floor($src_height * ($resize_width / $src_width));
$dst_image = imagecreatetruecolor($dst_width, $dst_height);
} elseif ($resize_width == 0 && $resize_height > 0) {
$dst_width = floor($src_width * ($resize_height / $src_height));
$dst_height = $resize_height;
$dst_image = imagecreatetruecolor($dst_width, $dst_height);
} else {
$src_ratio = $src_width / $src_height;
$resize_ratio = $resize_width / $resize_height;
if ($src_ratio <= $resize_ratio) {
$dst_width = $resize_width;
$dst_height = floor($src_height * ($resize_width / $src_width));
$dst_y = ($dst_height - $resize_height) / 2 * (-1);
} else {
$dst_width = floor($src_width * ($resize_height / $src_height));
$dst_height = $resize_height;
$dst_x = ($dst_width - $resize_width) / 2 * (-1);
}
$dst_image = imagecreatetruecolor($resize_width, $resize_height);
}
switch ($metadata['mime']) {
case 'image/jpeg':
case 'image/jpg':
$src_image = imagecreatefromjpeg($src_file);
break;
case 'image/png':
$src_image = imagecreatefrompng($src_file);
break;
case 'image/gif':
$src_image = imagecreatefromgif($src_file);
break;
default:
return;
}
imagecopyresampled($dst_image, $src_image, $dst_x, $dst_y, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
imagejpeg($dst_image, $dst_file);
imagedestroy($dst_image);
}
}
|
