99 lines
3.3 KiB
PHP
99 lines
3.3 KiB
PHP
<?php
|
|
namespace common\components;
|
|
|
|
use Yii;
|
|
use yii\web\UploadedFile;
|
|
use yii\web\HttpException;
|
|
use yii\helpers\FileHelper;
|
|
use common\components\GD;
|
|
|
|
class Image
|
|
{
|
|
|
|
/**
|
|
* @param UploadedFile $fileInstance
|
|
* @param string $dir relative dir from upload dir
|
|
* @param unknown $resizeWidth
|
|
* @param unknown $resizeHeight
|
|
* @param bool $resizeCrop
|
|
* @throws HttpException*/
|
|
public static function upload(UploadedFile $fileInstance, $dir = '', $resizeWidth = null, $resizeHeight = null, $resizeCrop = false)
|
|
{
|
|
$fileName = Upload::getUploadPath($dir) . DIRECTORY_SEPARATOR . Upload::getFileName($fileInstance);
|
|
|
|
$uploaded = $resizeWidth
|
|
? self::copyResizedImage($fileInstance->tempName, $fileName, $resizeWidth, $resizeHeight, $resizeCrop)
|
|
: $fileInstance->saveAs($fileName);
|
|
|
|
if(!$uploaded){
|
|
throw new HttpException(500, 'Cannot upload file "'.$fileName.'". Please check write permissions.');
|
|
}
|
|
|
|
return Upload::getLink($fileName);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param unknown $filename
|
|
* @param unknown $width
|
|
* @param unknown $height
|
|
* @param string $crop
|
|
* @return string
|
|
*/
|
|
static function thumb($filename, $width = null, $height = null, $crop = true)
|
|
{
|
|
if($filename && file_exists(($filename = Yii::getAlias('@frontend/web') . $filename)))
|
|
{
|
|
$info = pathinfo($filename);
|
|
$thumbName = $info['filename'] . '-' . md5( filemtime($filename) . (int)$width . (int)$height . (int)$crop ) . '.' . $info['extension'];
|
|
$thumbFile = Yii::getAlias('@frontend/web') . DIRECTORY_SEPARATOR . Upload::$UPLOADS_DIR . DIRECTORY_SEPARATOR . 'thumbs' . DIRECTORY_SEPARATOR . $thumbName;
|
|
$thumbWebFile = '/' . Upload::$UPLOADS_DIR . '/thumbs/' . $thumbName;
|
|
if(file_exists($thumbFile)){
|
|
return $thumbWebFile;
|
|
}
|
|
elseif(FileHelper::createDirectory(dirname($thumbFile), 0777) && self::copyResizedImage($filename, $thumbFile, $width, $height, $crop)){
|
|
return $thumbWebFile;
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
static function copyResizedImage($inputFile, $outputFile, $width, $height = null, $crop = true)
|
|
{
|
|
if (extension_loaded('gd'))
|
|
{
|
|
$image = new GD($inputFile);
|
|
|
|
if($height) {
|
|
if($width && $crop){
|
|
$image->cropThumbnail($width, $height);
|
|
} else {
|
|
$image->resize($width, $height);
|
|
}
|
|
} else {
|
|
$image->resize($width);
|
|
}
|
|
return $image->save($outputFile);
|
|
}
|
|
elseif(extension_loaded('imagick'))
|
|
{
|
|
$image = new \Imagick($inputFile);
|
|
|
|
if($height && !$crop) {
|
|
$image->resizeImage($width, $height, \Imagick::FILTER_LANCZOS, 1, true);
|
|
}
|
|
else{
|
|
$image->resizeImage($width, null, \Imagick::FILTER_LANCZOS, 1);
|
|
}
|
|
|
|
if($height && $crop){
|
|
$image->cropThumbnailImage($width, $height);
|
|
}
|
|
|
|
return $image->writeImage($outputFile);
|
|
}
|
|
else {
|
|
throw new HttpException(500, 'Please install GD or Imagick extension');
|
|
}
|
|
}
|
|
} |