/home/kueuepay/www/vendor/intervention/image/src/Intervention/Image/Gd/Commands/ResizeCommand.php
<?php

namespace Intervention\Image\Gd\Commands;

use Intervention\Image\Commands\AbstractCommand;

class ResizeCommand extends AbstractCommand
{
    /**
     * Resizes image dimensions
     *
     * @param  \Intervention\Image\Image $image
     * @return boolean
     */
    public function execute($image)
    {
        $width = $this->argument(0)->value();
        $height = $this->argument(1)->value();
        $constraints = $this->argument(2)->type('closure')->value();

        // resize box
        $resized = $image->getSize()->resize($width, $height, $constraints);

        // modify image
        $this->modify($image, 0, 0, 0, 0, $resized->getWidth(), $resized->getHeight(), $image->getWidth(), $image->getHeight());

        return true;
    }

    /**
     * Wrapper function for 'imagecopyresampled'
     *
     * @param  Image   $image
     * @param  int     $dst_x
     * @param  int     $dst_y
     * @param  int     $src_x
     * @param  int     $src_y
     * @param  int     $dst_w
     * @param  int     $dst_h
     * @param  int     $src_w
     * @param  int     $src_h
     * @return boolean
     */
    protected function modify($image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
    {
        // create new image
        $modified = imagecreatetruecolor(intval($dst_w), intval($dst_h));

        // get current image
        $resource = $image->getCore();

        // preserve transparency
        $transIndex = imagecolortransparent($resource);

        if ($transIndex != -1) {
            $rgba = imagecolorsforindex($modified, $transIndex);
            $transColor = imagecolorallocatealpha($modified, $rgba['red'], $rgba['green'], $rgba['blue'], 127);
            imagefill($modified, 0, 0, $transColor);
            imagecolortransparent($modified, $transColor);
        } else {
            imagealphablending($modified, false);
            imagesavealpha($modified, true);
        }

        // copy content from resource
        $result = imagecopyresampled(
            $modified,
            $resource,
            $dst_x,
            $dst_y,
            $src_x,
            $src_y,
            intval($dst_w),
            intval($dst_h),
            $src_w,
            $src_h
        );

        // set new content as recource
        $image->setCore($modified);

        return $result;
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.