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<?php
namespace YOOtheme\Widgetkit\Image;
use abeautifulsite\SimpleImage;
use YOOtheme\Framework\Application;
use YOOtheme\Framework\ApplicationAware;
class Image extends ApplicationAware
{
/**
* @var string[]
*/
protected $defaults = array('w' => '', 'h' => '', 'strategy' => '');
/**
* @var string
*/
protected $file;
/**
* @var string[]
*/
protected $options = array();
/**
* Constructor.
*
* @param Application $app
* @param string $file
*/
public function __construct(Application $app, $file)
{
$this->app = $app;
$this->file = $file;
}
/**
* @return string[]
*/
public function getOptions()
{
return $this->options;
}
/**
* @param string[] $options
* @return $this
*/
public function setOptions($options)
{
$this->options = array_intersect_key(array_replace($this->defaults, $options), $this->defaults);
return $this;
}
/**
* @return string
*/
public function getPathName()
{
return $this->file;
}
/**
* @return string
*/
public function getUrl()
{
return $this['url']->to($this->file);
}
/**
* @param string|string[] $densities
* @return Image[]
*/
public function getSrcSets($densities = '2x')
{
$result = array();
foreach((array) $densities as $density) {
$result[$density] = $this['image']->create(preg_replace('/(.*?)(\.[^\.]+)?$/i', "$1-$density$2", $this->file, 1));
}
return array_filter($result);
}
/**
* @param string|string[] $densities
* @return string[]
*/
public function getSrcSetUrls($densities = '2x')
{
$srcSets = $this->getSrcSets($densities);
array_walk($srcSets, function(&$img, $density) {
$img = $img->getUrl().' '.$density;
});
return $srcSets;
}
/**
* @return string
*/
public function thumbnail()
{
$this->options['strategy'] = 'thumbnail';
return $this->cache();
}
/**
* @return string
*/
public function bestFit()
{
$this->options['strategy'] = 'best_fit';
return $this->cache();
}
/**
* @return string
*/
public function resize()
{
$this->options['strategy'] = 'resize';
return $this->cache();
}
/**
* @param bool $save
* @return string
*/
public function cache($save = false)
{
if (!file_exists($cache = $this->getCacheName())) {
if (!$save) {
$file = ltrim(substr($this->file, strlen($this['request']->getBasePath())), '/');
return $this['url']->route('image', array_merge($this->options, array('file' => $file, 'hash' => $this->getHash())));
}
$this->create()->save($cache);
}
return $this['url']->to($cache);
}
/**
* @param string $format
* @param string $quality
*/
public function output($format = null, $quality = null)
{
$this->create()->output($format, $quality);
}
/**
* @return string
*/
public function getHash()
{
return md5($this->file.';'.implode(';', $this->options).';'.$this['secret']);
}
/**
* @return string
*/
protected function getCacheName()
{
return sprintf('%s/%s-%s.%s',
$this['path.cache'],
pathinfo($this->file, PATHINFO_FILENAME),
md5(filemtime($this->file).filesize($this->file).implode(';', $this->options)),
pathinfo($this->file, PATHINFO_EXTENSION)
);
}
/**
* @return SimpleImage
*/
protected function create()
{
$image = new SimpleImage($this->file);
switch($this->options['strategy']) {
case 'thumbnail':
$width = $this->options['w'] ?: $image->get_width();
$height = $this->options['h'] ?: $image->get_height();
$image->resize($width, $height);
break;
case 'best_fit':
$width = $this->options['w'] ?: $image->get_width();
$height = $this->options['h'] ?: $image->get_height();
if (is_numeric($width) && is_numeric($height)) {
$image->best_fit($width, $height);
}
break;
default:
$width = $this->options['w'];
$height = $this->options['h'];
if (is_numeric($width) && is_numeric($height)) {
$image->thumbnail($width, $height);
} elseif(is_numeric($width)) {
$image->fit_to_width($width);
} elseif(is_numeric($height)) {
$image->fit_to_height($height);
} else {
$width = $image->get_width();
$height = $image->get_height();
$image->thumbnail($width, $height);
}
}
return $image;
}
}