Файловый менеджер

Файловый менеджер - Редактировать - /home/lmsyaran/public_html/j3/modules/mod_vertical_menu/core/image.php

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<?php /** * mod_vertical_menu - Vertical Menu * * @author Balint Polgarfi * @copyright 2014-2019 Offlajn.com All Rights Reserved * @license https://gnu.org/licenses/gpl-2.0.html * @link https://offlajn.com / defined('_JEXEC') or die('Restricted access'); class OfflajnUniversalImageTool { public $res = null; public $source = null; public $contenttype = IMAGETYPE_PNG; /** * Constructor * $src_or_resource: src is the path to an image. If it exists, the image will be automatically opened * can also be an already created image resource / public function __construct($src_or_resource = null) { if (!is_null($src_or_resource)) { if (is_resource($src_or_resource)) { $this->resource($src_or_resource); } else { $this->open($src_or_resource); } } } public function createImage($w, $h) { $this->res = imagecreatetruecolor($w, $h); if ($this->res === false) { return false; } } public function convertToPng() { $this->contenttype = IMAGETYPE_PNG; } public function resize($newW, $newH) { if ($this->res === false) { return false; } $src_width = imagesx($this->res); $src_height = imagesy($this->res); $newX = 0; $newY = 0; $dst_w = 0; $dst_h = 0; $wRatio = $src_width / $newW; $hRatio = $src_height / $newH; if ($wRatio > $hRatio) { $dst_w = $newW; $dst_h = $src_height / $wRatio; $newY = ($newH - $dst_h) / 2; } else { $dst_h = $newH; $dst_w = $src_width / $hRatio; $newX = ($newW - $dst_w) / 2; } $dst_im = imagecreatetruecolor($newW, $newH); $this->prepare($dst_im); $transparent = imagecolorallocatealpha($dst_im, 255, 255, 255, 127); imagefilledrectangle($dst_im, 0, 0, $newW, $newH, $transparent); imagecopyresampled($dst_im, $this->res, $newX, $newY, 0, 0, $dst_w, $dst_h, $src_width, $src_height); imagedestroy($this->res); $this->res = $dst_im; } public function resize2($newW, $newH) { if ($this->res === false) { return false; } $src_width = imagesx($this->res); $src_height = imagesy($this->res); $newX = 0; $newY = 0; $dst_w = 0; $dst_h = 0; $wRatio = $src_width / $newW; $hRatio = $src_height / $newH; if ($wRatio > $hRatio) { $dst_w = round($newW $hRatio); $dst_h = $src_height; $newX = ($src_width - $dst_w) / 2; } else { $dst_w = $src_width; $dst_h = round($newH * $wRatio); $newY = ($src_height - $dst_h) / 2; } $dst_im = imagecreatetruecolor($newW, $newH); $this->prepare($dst_im); imagecopyresampled($dst_im, $this->res, 0, 0, $newX, $newY, $newW, $newH, $dst_w, $dst_h); imagedestroy($this->res); $this->res = $dst_im; } /*** * Open an image from a file on disk / public function open($src) { $this->source = $src; switch (($this->contenttype = exif_imagetype($src))) { case IMAGETYPE_PNG: $this->res = imagecreatefrompng($src); break; case IMAGETYPE_GIF: $this->res = imagecreatefromgif($src); break; case IMAGETYPE_JPEG: $this->res = imagecreatefromjpeg($src); break; } $this->prepare($this->res); } // takes an image resource and a content type and prepares the resource public function prepare($res, $contenttype = null) { if (is_null($contenttype)) { $contenttype = $this->contenttype; } if ($contenttype == IMAGETYPE_PNG) { imagealphablending($res, false); imagesavealpha($res, true); } } /** * Get/set image resource / public function resource($res = null) { if (is_null($res)) { return $this->res; } else { $this->res = $res; } } /** * Save the image back to the original file / public function save($out = null) { if (!is_null($this->source)) { $this->write($this->source, $out); } } /** * Save the image to a different location / public function write($dest, $out = null) { if (is_null($out)) { $out = $this->contenttype; } switch ($out) { case IMAGETYPE_PNG: imagepng($this->res, $dest); break; case IMAGETYPE_GIF: imagegif($this->res, $dest); break; case IMAGETYPE_JPEG: imagejpeg($this->res, $dest); break; } } /** * Output the image to the stream (browser) / public function output($out = null) { switch ($out) { default: case IMAGETYPE_PNG: $contenttype = 'png'; break; case IMAGETYPE_GIF: $contenttype = 'gif'; break; case IMAGETYPE_JPEG: $contenttype = 'jpeg'; break; } header('Content-type: image/' . $contenttype); $this->write(null, $out); } /** * Kill self */ public function destroy() { imagedestroy($this->res); $this->source = null; $this->contenttype = null; } } if (!function_exists('exif_imagetype')) { function exif_imagetype($f) { if (false !== (list(, , $type) = getimagesize($f))) { return $type; } return IMAGETYPE_PNG; // meh } }

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