resizedimage.php

См. документацию.

<?php
 
namespace Bitrix\Main\Engine\Response;
 
 
use Bitrix\Main;
 
class ResizedImage extends BFile
{
    protected $showInline = true;
    protected $width;
    protected $height;
    protected $resizeType = BX_RESIZE_IMAGE_EXACT;
    protected $filters;
 
    public function __construct(array $file, $width, $height, $name = null)
    {
        parent::__construct($file, $name);
 
        $this->setWidth($width);
        $this->setHeight($height);
    }
 
    public static function createByImageId($imageId, $width, $height, $name = null)
    {
        $imageData = \CFile::getFileArray($imageId);
        if (!$imageData)
        {
            throw new Main\ObjectNotFoundException("Could not find file");
        }
 
        return new self($imageData, $width, $height, $name);
    }
 
    public static function createByImageData(array $imageData, $width, $height, $name = null)
    {
        return new self($imageData, $width, $height, $name);
    }

    public function getWidth()
    {
        return $this->width;
    }

    public function setWidth($width)
    {
        $this->width = $width;
 
        return $this;
    }

    public function getHeight()
    {
        return $this->height;
    }

    public function setHeight($height)
    {
        $this->height = $height;
 
        return $this;
    }

    public function getResizeType()
    {
        return $this->resizeType;
    }

    public function setResizeType($resizeType)
    {
        $this->resizeType = $resizeType;
 
        return $this;
    }

    public function getFilters()
    {
        return $this->filters;
    }

    public function setFilters($filters)
    {
        $this->filters = $filters;
 
        return $this;
    }

    public function getImage()
    {
        return $this->file;
    }
 
    protected function prepareFile()
    {
        $file = parent::prepareFile();
 
        $tmpFile = \CFile::resizeImageGet(
            $file,
            ['width' => $this->getWidth(), 'height' => $this->getHeight()],
            $this->getResizeType(),
            true,
            $this->getFilters(),
            true
        );
 
        $file['FILE_SIZE'] = $tmpFile['size'];
        $file['SRC'] = $tmpFile['src'];
 
        return $file;
    }
}