DedeV6/src/system/image.func.php

<?php
if (!defined('DEDEINC')) exit('dedebiz');
/**
 * 图像处理相关函数
 *
 * @version        $Id: image.func.php 1 15:59 2010年7月5日Z tianya $
 * @package        DedeBIZ.Helpers
 * @copyright      Copyright (c) 2022, DedeBIZ.COM
 * @license        https://www.dedebiz.com/license
 * @link           https://www.dedebiz.com
 */
include(DEDEDATA.'/mark/inc_photowatermark_config.php');
//检测用户系统支持的图片格式
global $cfg_photo_type, $cfg_photo_typenames, $cfg_photo_support;
$cfg_photo_type['gif'] = FALSE;
$cfg_photo_type['jpeg'] = FALSE;
$cfg_photo_type['png'] = FALSE;
$cfg_photo_type['wbmp'] = FALSE;
$cfg_photo_type['bmp'] = FALSE;
$cfg_photo_type['webp'] = FALSE;
$cfg_photo_typenames = array();
$cfg_photo_support = '';
if (function_exists("imagecreatefromgif") && function_exists("imagegif")) {
    $cfg_photo_type["gif"] = TRUE;
    $cfg_photo_typenames[] = "image/gif";
    $cfg_photo_support .= "GIF ";
}
if (function_exists("imagecreatefromjpeg") && function_exists("imagejpeg")) {
    $cfg_photo_type["jpeg"] = TRUE;
    $cfg_photo_typenames[] = "image/pjpeg";
    $cfg_photo_typenames[] = "image/jpeg";
    $cfg_photo_support .= "JPEG ";
}
if (function_exists("imagecreatefrompng") && function_exists("imagepng")) {
    $cfg_photo_type["png"] = TRUE;
    $cfg_photo_typenames[] = "image/png";
    $cfg_photo_typenames[] = "image/xpng";
    $cfg_photo_support .= "PNG ";
}
if (function_exists("imagecreatefromwbmp") && function_exists("imagewbmp")) {
    $cfg_photo_type["wbmp"] = TRUE;
    $cfg_photo_typenames[] = "image/wbmp";
    $cfg_photo_support .= "WBMP ";
}
if (function_exists("imagecreatefrombmp") && function_exists("imagebmp")) {
    $cfg_photo_type["bmp"] = TRUE;
    $cfg_photo_typenames[] = "image/bmp";
    $cfg_photo_support .= "BMP ";
}
if (function_exists("imagecreatefromwebp") && function_exists("imagewebp")) {
    $cfg_photo_type["webp"] = TRUE;
    $cfg_photo_typenames[] = "image/webp";
    $cfg_photo_support .= "WEBP ";
}
//引入图像处理小助手
helper('image');