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