<![CDATA[向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除]]> https://jackxiang.com/index.php zh-cn https://jackxiang.com/post// <![CDATA[图片上传背景图片透明后上传后背景为黑色的代码]]> jack <xdy108@126.com> Wed, 03 Feb 2010 04:55:14 +0000 https://jackxiang.com/post//
    if (function_exists("imagecreatetruecolor")){
      //resize picture
      $new = imagecreatetruecolor($intWidth, $intHeight);
        imagealphablending($new,false);
      ImageCopyResampled($new, $img, 0, 0, 0, 0, $intWidth, $intHeight, $arrImageInfo["width"], $arrImageInfo["height"]);
      imagesavealpha($new,true);
    } else {
      //resize picture
      $new = imagecreate($intWidth, $intHeight);
      imagealphablending($new,false);
      ImageCopyResized($new, $img, 0, 0, 0, 0,$intWidth, $intHeight, $arrImageInfo["width"], $arrImageInfo["height"]);
      imagesavealpha($new,true);
    }
]]> https://jackxiang.com/post//#blogcomment <![CDATA[[评论] 图片上传背景图片透明后上传后背景为黑色的代码]]> <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 https://jackxiang.com/post//#blogcomment