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<?php |
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/** |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* @license http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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* @author Alexander Zakharov <[email protected]> |
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* @link http://rootlocal.ru |
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* @copyright Copyright © 2018 rootlocal.ru |
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*/ |
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namespace image\components; |
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use Yii; |
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use yii\base\BaseObject; |
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use yii\base\ErrorException; |
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/** |
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* Class Thumb |
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* @package image\components |
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* @property ThumbConfig $size |
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*/ |
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class Thumb extends BaseObject |
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{ |
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/** |
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* @var ThumbConfig |
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* @example |
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* 'config' => [ |
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* 'width' => 100, |
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* 'height' => 100, |
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* 'crop' => false, |
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* 'watermark' => true, |
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* 'watermarkOpacity' => 25, |
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* 'quality' => 100, |
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* ] |
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*/ |
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public $config = []; |
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/** |
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* The File path to the Watermark File |
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* @var string |
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*/ |
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public $watermarkFile = null; |
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/** |
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* The File path to the Image |
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* @var string |
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*/ |
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public $file = null; |
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/** |
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* Out File path to the Image |
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* @var string |
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*/ |
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public $outFile = null; |
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/** |
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* default driver: GD, Imagick |
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* @var string |
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*/ |
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public $driver; |
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/** |
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* @var Thumb |
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*/ |
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private static $_instance; |
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/** |
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* @param array $config |
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* @return Thumb |
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*/ |
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public static function getInstance(array $config = []) |
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{ |
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self::$_instance = new self($config); |
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return self::$_instance; |
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} |
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/** |
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* @inheritdoc |
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* @throws ErrorException |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (empty($this->file)) |
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throw new ErrorException(Yii::t('image', 'No path to file specified "file"')); |
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if (empty($this->outFile)) |
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throw new ErrorException('No Out File path to file specified "outFile"'); |
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if (empty($this->watermarkFile)) |
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$this->config['watermark'] = false; |
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} |
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/** |
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* @return ThumbConfig |
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*/ |
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private function getThumbConfig() |
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{ |
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return new ThumbConfig($this->config); |
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} |
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/** |
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* Creating thumb |
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* @return string PATH to tmp file |
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* @throws ErrorException |
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*/ |
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public function create() |
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{ |
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$ImageDriver = new Image(['driver' => $this->driver]); |
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$ImageDriver = $ImageDriver->load($this->file); |
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$config = $this->getThumbConfig(); |
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$thisImageSize = getimagesize($this->file); |
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if ($thisImageSize[0] < $config->width) { |
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$ImageDriver->sharpen($config->width - $thisImageSize[0]); |
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} |
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$ImageDriver->resize(null, $config->height); |
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if ($config->crop) |
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$ImageDriver->crop($config->width, $config->height); |
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if ($config->watermark) { |
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$watermark = new Image(['driver' => $this->driver]); |
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$watermark = $watermark->load($this->watermarkFile); |
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$watermark->resize($ImageDriver->width, null); |
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$ImageDriver->watermark( |
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$watermark, null, null, |
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$config->watermarkOpacity |
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); |
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unset($watermark); |
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} |
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$ImageDriver->resize($config->width, null); |
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if ($config->crop && $ImageDriver->height > $config->height) { |
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$ImageDriver->crop($config->width, $config->height); |
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} |
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if ($ImageDriver->save($this->outFile, $config->quality)) { |
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unset($ImageDriver); |
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return $this->outFile; |
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} |
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throw new ErrorException("error saving file: {$this->outFile}"); |
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} |
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} |
rootlocal /
yii2-image2
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