www.gusucode.com > DEDECMS精简版 织梦CMS系统企业精简版 v3.0.1.2源码程序 > cloudcms_v3.0.1.2/include/helpers/image.helper.php
<?php if(!defined('DEDEINC')) exit("Request Error!"); if ( ! function_exists('ImageResize')) { function ImageResize($srcFile, $toW, $toH, $toFile="") { global $cfg_photo_type; if($toFile=='') $toFile = $srcFile; $info = ''; $srcInfo = GetImageSize($srcFile,$info); switch ($srcInfo[2]) { case 1: if(!$cfg_photo_type['gif']) return FALSE; $im = imagecreatefromgif($srcFile); break; case 2: if(!$cfg_photo_type['jpeg']) return FALSE; $im = imagecreatefromjpeg($srcFile); break; case 3: if(!$cfg_photo_type['png']) return FALSE; $im = imagecreatefrompng($srcFile); break; case 6: if(!$cfg_photo_type['bmp']) return FALSE; $im = imagecreatefromwbmp($srcFile); break; } $srcW=ImageSX($im); $srcH=ImageSY($im); if($srcW<=$toW && $srcH<=$toH ) return TRUE; $toWH=$toW/$toH; $srcWH=$srcW/$srcH; if($toWH<=$srcWH) { $ftoW=$toW; $ftoH=$ftoW*($srcH/$srcW); } else { $ftoH=$toH; $ftoW=$ftoH*($srcW/$srcH); } if($srcW>$toW||$srcH>$toH) { if(function_exists("imagecreateTRUEcolor")) { @$ni = imagecreateTRUEcolor($ftoW,$ftoH); if($ni) { imagecopyresampled($ni,$im,0,0,0,0,$ftoW,$ftoH,$srcW,$srcH); } else { $ni=imagecreate($ftoW,$ftoH); imagecopyresized($ni,$im,0,0,0,0,$ftoW,$ftoH,$srcW,$srcH); } } else { $ni=imagecreate($ftoW,$ftoH); imagecopyresized($ni,$im,0,0,0,0,$ftoW,$ftoH,$srcW,$srcH); } switch ($srcInfo[2]) { case 1: imagegif($ni,$toFile); break; case 2: imagejpeg($ni,$toFile,85); break; case 3: imagepng($ni,$toFile); break; case 6: imagebmp($ni,$toFile); break; default: return FALSE; } imagedestroy($ni); } imagedestroy($im); return TRUE; } } if ( ! function_exists('gdversion')) { function gdversion() { if(!function_exists('phpinfo')) { if(function_exists('imagecreate')) { return '2.0'; } else { return 0; } } else { ob_start(); phpinfo(8); $module_info = ob_get_contents(); ob_end_clean(); if(preg_match("/\bgd\s+version\b[^\d\n\r]+?([\d\.]+)/i", $module_info,$matches)) { $gdversion_h = $matches[1]; } else { $gdversion_h = 0; } return $gdversion_h; } } } if ( ! function_exists('WaterImg')) { function WaterImg($srcFile, $fromGo='up') { include(DEDEDATA.'/mark/inc_photowatermark_config.php'); require_once(DEDEINC.'/image.class.php'); if( isset($GLOBALS['needwatermark']) ) { $photo_markup = $photo_markdown = empty($GLOBALS['needwatermark']) ? '0' : '1'; } if($photo_markup != '1' || ($fromGo=='collect' && $photo_markdown!='1') ) { return; } $info = ''; $srcInfo = @getimagesize($srcFile,$info); $srcFile_w = $srcInfo[0]; $srcFile_h = $srcInfo[1]; if($srcFile_w < $photo_wwidth || $srcFile_h < $photo_wheight) { return; } if($fromGo=='up' && $photo_markup=='0') { return; } if($fromGo=='down' && $photo_markdown=='0') { return; } $TRUEMarkimg = DEDEDATA.'/mark/'.$photo_markimg; if(!file_exists($TRUEMarkimg) || empty($photo_markimg)) { $TRUEMarkimg = ""; } if($photo_waterpos == 0) { $photo_waterpos = rand(1, 9); } $cfg_watermarktext = array(); if($photo_marktype == '2') { if(file_exists(DEDEDATA.'/mark/simhei.ttf')) { $cfg_watermarktext['fontpath'] = DEDEDATA.'/mark/simhei.ttf'; } else { return ; } } $cfg_watermarktext['text'] = $photo_watertext; $cfg_watermarktext['size'] = $photo_fontsize; $cfg_watermarktext['angle'] = '0'; $cfg_watermarktext['color'] = '255,255,255'; $cfg_watermarktext['shadowx'] = '0'; $cfg_watermarktext['shadowy'] = '0'; $cfg_watermarktext['shadowcolor'] = '0,0,0'; $photo_marktrans = 85; $img = new image($srcFile,0, $cfg_watermarktext, $photo_waterpos, $photo_diaphaneity, $photo_wheight, $photo_wwidth, $photo_marktype, $photo_marktrans,$TRUEMarkimg); $img->watermark(0); } } if ( ! function_exists('ImageResizeNew')) { function ImageResizeNew($srcFile, $toW, $toH, $toFile='', $issave=TRUE) { global $cfg_photo_type, $cfg_ddimg_bgcolor; if($toFile=='') $toFile = $srcFile; $info = ''; $srcInfo = GetImageSize($srcFile,$info); switch ($srcInfo[2]) { case 1: if(!$cfg_photo_type['gif']) return FALSE; $img = imagecreatefromgif($srcFile); break; case 2: if(!$cfg_photo_type['jpeg']) return FALSE; $img = imagecreatefromjpeg($srcFile); break; case 3: if(!$cfg_photo_type['png']) return FALSE; $img = imagecreatefrompng($srcFile); break; case 6: if(!$cfg_photo_type['bmp']) return FALSE; $img = imagecreatefromwbmp($srcFile); break; } $width = imageSX($img); $height = imageSY($img); if (!$width || !$height) { return FALSE; } $target_width = $toW; $target_height = $toH; $target_ratio = $target_width / $target_height; $img_ratio = $width / $height; if ($target_ratio > $img_ratio) { $new_height = $target_height; $new_width = $img_ratio * $target_height; } else { $new_height = $target_width / $img_ratio; $new_width = $target_width; } if ($new_height > $target_height) { $new_height = $target_height; } if ($new_width > $target_width) { $new_height = $target_width; } $new_img = ImageCreateTrueColor($target_width, $target_height); if($cfg_ddimg_bgcolor==0) $bgcolor = ImageColorAllocate($new_img, 0xff, 0xff, 0xff); else $bgcolor = 0; if (!@imagefilledrectangle($new_img, 0, 0, $target_width-1, $target_height-1, $bgcolor)) { return FALSE; } if (!@imagecopyresampled($new_img, $img, ($target_width-$new_width)/2, ($target_height-$new_height)/2, 0, 0, $new_width, $new_height, $width, $height)) { return FALSE; } if($issave) { switch ($srcInfo[2]) { case 1: imagegif($new_img, $toFile); break; case 2: imagejpeg($new_img, $toFile,100); break; case 3: imagepng($new_img, $toFile); break; case 6: imagebmp($new_img, $toFile); break; default: return FALSE; } } else { switch ($srcInfo[2]) { case 1: imagegif($new_img); break; case 2: imagejpeg($new_img); break; case 3: imagepng($new_img); break; case 6: imagebmp($new_img); break; default: return FALSE; } } imagedestroy($new_img); imagedestroy($img); return TRUE; } }