UploaderComponent.php
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<?php
namespace common\modules\file\components;
use Yii;
use yii\base\Component;
use Imagine\Gd\Imagine;
use Imagine\Image\Box;
use yii\imagine\Image;
class UploaderComponent extends Component {
public function isBigger($width,$height,$w,$h)
{
if($width>$w){
return true;
}else if($height >$h) {
return true;
}
return false;
}
public function resizeImg($w, $h, $imageAlias,$imageAliasSave){
$img = Image::getImagine()->open(Yii::getAlias($imageAlias));
$size = $img->getSize();
$width = $size->getWidth();
$height = $size->getHeight();
$e_width = $w/$h;
$e_height = $h/$w;
$e1_width = $width/$height;
$e1_height = $height/$width;
if($e_width<$e1_width){
$new_width = $width*($e_width/$e1_width);
$y = 0;
$x = $width/ 2-($new_width/2);
$width = $new_width;
}else {
$new_height = $height*($e_height/$e1_height);
$x = 0;
$y = $height/2-($new_height/2);
$height = $new_height;
}
Image::crop($imageAlias, $width, $height,[$x,$y])
->save(Yii::getAlias($imageAliasSave), ['quality' =>
100]);
$imagine = new Imagine();
$imagine->open($imageAliasSave)
->resize(new Box($w, $h))
->save($imageAliasSave, array('flatten' => false));
}
}