搬码资源网广告位 搬码资源网广告位

摘自织梦CMS中的图片处理类

《:摘自织梦CMS中的图片处理类》要点:
本文介绍了:摘自织梦CMS中的图片处理类,希望对您有用。如果有疑问,可以联系我们。

本文实例讲述了摘自织梦CMS中的图片处理类.分享给大家供大家参考.具体如下:PHP应用

<?PHP if(!defined('DEDEINC')) exit('Dedecms');/** * 图像处理类 * * @version  $Id: image.class.PHP 1 18:10 2010年7月5日Z tianya $ * @package  Dedecms.Libraries * @copyright  Copyright (c) 2007 - 2010,DesDev,Inc. * @license  http://help.Dedecms.com/usersguide/license.html * @link   http://www.Dedecms.com */class image{ var $attachinfo; var $targetfile; //图片路径 var $imagecreatefromfunc; var $imagefunc; var $attach; var $animatedgif; var $watermarkquality; var $watermarktext; var $thumbstatus; var $watermarkstatus; // 析构函数,兼容PHP4 function image($targetfile,$cfg_thumb,$cfg_watermarktext,$photo_waterpos,$photo_diaphaneity,$photo_wheight,$photo_wwidth,$cfg_watermarktype,$photo_marktrans,$trueMarkimg,$attach = array()) {  $this->__construct($targetfile,$attach); } // 析构函数 function __construct($targetfile,$attach = array()) {  $this->thumbstatus = $cfg_thumb;  $this->watermarktext = $cfg_watermarktext;  $this->watermarkstatus = $photo_waterpos;  $this->watermarkquality = $photo_marktrans;  $this->watermarkminwidth = $photo_wwidth;  $this->watermarkminheight = $photo_wheight;  $this->watermarktype = $cfg_watermarktype;  $this->watermarktrans = $photo_diaphaneity;  $this->animatedgif = 0;  $this->targetfile = $targetfile;  $this->attachinfo = @getimagesize($targetfile);  $this->attach = $attach;  switch($this->attachinfo['mime'])  {   case 'image/jpeg':    $this->imagecreatefromfunc = function_exists('imagecreatefromjpeg') ? 'imagecreatefromjpeg' : '';    $this->imagefunc = function_exists('imagejpeg') ? 'imagejpeg' : '';    break;   case 'image/gif':    $this->imagecreatefromfunc = function_exists('imagecreatefromgif') ? 'imagecreatefromgif' : '';    $this->imagefunc = function_exists('imagegif') ? 'imagegif' : '';    break;   case 'image/png':    $this->imagecreatefromfunc = function_exists('imagecreatefrompng') ? 'imagecreatefrompng' : '';    $this->imagefunc = function_exists('imagepng') ? 'imagepng' : '';    break;  }//为空则匹配类型的函数不存在  $this->attach['size'] = empty($this->attach['size']) ? @filesize($targetfile) : $this->attach['size'];  if($this->attachinfo['mime'] == 'image/gif')  {   $fp = fopen($targetfile,'rb');   $targetfilecontent = fread($fp,$this->attach['size']);   fclose($fp);   $this->animatedgif = strpos($targetfilecontent,'NETSCAPE2.0') === false ? 0 : 1;  } } /**  * 生成缩略图  *  * @access public  * @param  int $thumbwidth 图片宽度  * @param  int $thumbheight 图片高度  * @param  int $preview 是否预览  * @return void  */ function thumb($thumbwidth,$thumbheight,$preview = 0) {  $this->thumb_gd($thumbwidth,$preview);   if($this->thumbstatus == 2 && $this->watermarkstatus)  {   $this->image($this->targetfile,$this->attach);   $this->attach['size'] = filesize($this->targetfile);  } } /**  * 图片水印  *  * @access public  * @param  int $preview 是否预览  * @return void  */ function watermark($preview = 0) {  if($this->watermarkminwidth && $this->attachinfo[0] <= $this->watermarkminwidth && $this->watermarkminheight && $this->attachinfo[1] <= $this->watermarkminheight)  {   return ;  }  $this->watermark_gd($preview); } /**  * 使用gd生成缩略图  *  * @access public  * @param  int $thumbwidth 图片宽度  * @param  int $thumbheight 图片高度  * @param  int $preview 是否预览  * @return void  */ function thumb_gd($thumbwidth,$preview = 0) {  if($this->thumbstatus && function_exists('imagecreatetruecolor') && function_exists('imagecopyresampled') && function_exists('imagejpeg'))  {   $imagecreatefromfunc = $this->imagecreatefromfunc;   $imagefunc = $this->thumbstatus == 1 ? 'imagejpeg' : $this->imagefunc;   list($imagewidth,$imageheight) = $this->attachinfo;   if(!$this->animatedgif && ($imagewidth >= $thumbwidth || $imageheight >= $thumbheight))   {    $attach_photo = $imagecreatefromfunc($this->targetfile);    $x_ratio = $thumbwidth / $imagewidth;    $y_ratio = $thumbheight / $imageheight;    if(($x_ratio * $imageheight) < $thumbheight)    {     $thumb['height'] = ceil($x_ratio * $imageheight);     $thumb['width'] = $thumbwidth;    }    else    {     $thumb['width'] = ceil($y_ratio * $imagewidth);     $thumb['height'] = $thumbheight;    }    $targetfile = !$preview ? ($this->thumbstatus == 1 ? $this->targetfile.'.thumb.jpg' : $this->targetfile) : './watermark_tmp.jpg';    $thumb_photo = imagecreatetruecolor($thumb['width'],$thumb['height']);    imagecopyresampled($thumb_photo,$attach_photo,$thumb['width'],$thumb['height'],$imagewidth,$imageheight);    if($this->attachinfo['mime'] == 'image/jpeg')    {     $imagefunc($thumb_photo,$targetfile,100);    }    else    {     $imagefunc($thumb_photo,$targetfile);    }    $this->attach['thumb'] = $this->thumbstatus == 1 ? 1 : 0;   }  } } /**  * 使用gd进行水印  *  * @access public  * @param  int $preview 是否预览  * @return void  */ function watermark_gd($preview = 0) {  if($this->watermarkstatus && function_exists('imagecopy') && function_exists('imagealphablending') && function_exists('imagecopymerge'))  {   $imagecreatefunc = $this->imagecreatefromfunc;   $imagefunc = $this->imagefunc;   list($imagewidth,$imageheight) = $this->attachinfo;   if($this->watermarktype < 2)   {    $watermark_file = $this->watermarktype == 1 ? DEDEDATA.'/mark/mark.png' : DEDEDATA.'/mark/mark.gif';    $watermarkinfo = @getimagesize($watermark_file);    $watermark_logo = $this->watermarktype == 1 ? @imagecreatefrompng($watermark_file) : @imagecreatefromgif($watermark_file);    if(!$watermark_logo)    {     return ;    }    list($logowidth,$logoheight) = $watermarkinfo;   }   else   {    $Box = @imagettfbBox($this->watermarktext['size'],$this->watermarktext['angle'],$this->watermarktext['fontpath'],$this->watermarktext['text']);    $logowidth = max($Box[2],$Box[4]) - min($Box[0],$Box[6]);    $logoheight = max($Box[1],$Box[3]) - min($Box[5],$Box[7]);    $ax = min($Box[0],$Box[6]) * -1;    $ay = min($Box[5],$Box[7]) * -1;   }   $wmwidth = $imagewidth - $logowidth;   $wmheight = $imageheight - $logoheight;   if(($this->watermarktype < 2 && is_readable($watermark_file) || $this->watermarktype == 2) && $wmwidth > 10 && $wmheight > 10 && !$this->animatedgif)   {    switch($this->watermarkstatus)    {     case 1:       $x = +5;      $y = +5;      break;     case 2:      $x = ($imagewidth - $logowidth) / 2;      $y = +5;      break;     case 3:      $x = $imagewidth - $logowidth - 5;      $y = +5;      break;     case 4:      $x = +5;      $y = ($imageheight - $logoheight) / 2;      break;     case 5:      $x = ($imagewidth - $logowidth) / 2;      $y = ($imageheight - $logoheight) / 2;      break;     case 6:      $x = $imagewidth - $logowidth - 5;      $y = ($imageheight - $logoheight) / 2;      break;     case 7:      $x = +5;      $y = $imageheight - $logoheight - 5;      break;     case 8:      $x = ($imagewidth - $logowidth) / 2;      $y = $imageheight - $logoheight - 5;      break;     case 9:      $x = $imagewidth - $logowidth - 5;      $y = $imageheight - $logoheight -5;      break;    }    $dst_photo = @imagecreatetruecolor($imagewidth,$imageheight);    $target_photo = $imagecreatefunc($this->targetfile);    imagecopy($dst_photo,$target_photo,$imageheight);    if($this->watermarktype == 1)    {     imagecopy($dst_photo,$watermark_logo,$x,$y,$logowidth,$logoheight);    }    elseif($this->watermarktype == 2)    {     if(($this->watermarktext['shadowx'] || $this->watermarktext['shadowy']) && $this->watermarktext['shadowcolor'])     {      $shadowcolorrgb = explode(',',$this->watermarktext['shadowcolor']);      $shadowcolor = imagecolorallocate($dst_photo,$shadowcolorrgb[0],$shadowcolorrgb[1],$shadowcolorrgb[2]);      imagettftext($dst_photo,$this->watermarktext['size'],$x + $ax + $this->watermarktext['shadowx'],$y + $ay + $this->watermarktext['shadowy'],$shadowcolor,$this->watermarktext['text']);     }     $colorrgb = explode(',$this->watermarktext['color']);     $color = imagecolorallocate($dst_photo,$colorrgb[0],$colorrgb[1],$colorrgb[2]);     imagettftext($dst_photo,$x + $ax,$y + $ay,$color,$this->watermarktext['text']);    }    else    {     imagealphablending($watermark_logo,true);     imagecopymerge($dst_photo,$logoheight,$this->watermarktrans);    }    $targetfile = !$preview ? $this->targetfile : './watermark_tmp.jpg';    if($this->attachinfo['mime'] == 'image/jpeg')    {     $imagefunc($dst_photo,$this->watermarkquality);    }    else    {     $imagefunc($dst_photo,$targetfile);    }    $this->attach['size'] = filesize($this->targetfile);   }  } }}//End Class

希望本文所述对大家的PHP程序设计有所赞助.

《:摘自织梦CMS中的图片处理类》是否对您有启发,欢迎查看更多与《:摘自织梦CMS中的图片处理类》相关教程,学精学透。搬码源码网 abnma.com为您提供精彩教程。

声明:
本站发布的文章及附件仅限用于学习和研究目的;不得将上述内容用于商业或非法用途,否则后果请用户自负。
本站资源来自网络收集,版权争议与本站无关。您必须在下载后的24个小时之内,从您的电脑中彻底删除上述内容。
如果您喜欢该程序,请支持正版软件,得到更好的正版服务。
本文链接:https://www.abnma.com/11094.html,转载请注明出处。
如有侵权,请邮件联系我们删除处理。

0
搬码资源网广告位

评论0

请先

没有账号? 注册  忘记密码?