两个强悍的php 图像处理类1

PHP 2018-12-30

<div class="codetitle"><a style="CURSOR: pointer" data="46722" class="copybut" id="copybut46722" onclick="doCopy('code46722')"> 代码如下:

<div class="codebody" id="code46722">
<?PHP
/
基本图片处理，用于完成图片缩入，水印添加
当水印图超过目标图片尺寸时，水印图能自动适应目标图片而缩小
水印图可以设置跟背景的合并度

copyright(c) 2005 by ustb99. All rights reserved

To contact the author write to {@link mailto:ustb80@163.com}

@author 偶然
@version $Id: thumb.class.PHP,v 1.9 2006/09/30 09:31:56 zengjian Exp $
@package system
/
/
ThumbHandler
@access public
/
/
使用方法:
自动裁切:
程序会按照图片的尺寸从中部裁切最大的正方形，并按目标尺寸进行缩略
$t->setSrcImg("img/test.jpg");
$t->setCutType(1);//这一句就OK了
$t->setDstImg("tmp/new_test.jpg");
$t->createImg(60,60);
手工裁切:
程序会按照指定的位置从源图上取图
$t->setSrcImg("img/test.jpg");
$t->setCutType(2);//指明为手工裁切
$t->setSrcCutPosition(100,100);// 源图起点坐标
$t->setRectangleCut(300,200);// 裁切尺寸
$t->setDstImg("tmp/new_test.jpg");
$t->createImg(300,200);
*/
class ThumbHandler
{
var $dst_img;// 目标文件
var $h_src; // 图片资源句柄
var $h_dst;// 新图句柄
var $h_mask;// 水印句柄
var $img_create_quality = 100;// 图片生成质量
var $img_display_quality = 80;// 图片显示质量,默认为75
var $img_scale = 0;// 图片缩放比例
var $src_w = 0;// 原图宽度
var $src_h = 0;// 原图高度
var $dst_w = 0;// 新图总宽度
var $dst_h = 0;// 新图总高度
var $fill_w;// 填充图形宽
var $fill_h;// 填充图形高
var $copy_w;// 拷贝图形宽
var $copy_h;// 拷贝图形高
var $src_x = 0;// 原图绘制起始横坐标
var $src_y = 0;// 原图绘制起始纵坐标
var $start_x;// 新图绘制起始横坐标
var $start_y;// 新图绘制起始纵坐标
var $mask_word;// 水印文字
var $mask_img;// 水印图片
var $mask_pos_x = 0;// 水印横坐标
var $mask_pos_y = 0;// 水印纵坐标
var $mask_offset_x = 5;// 水印横向偏移
var $mask_offset_y = 5;// 水印纵向偏移
var $font_w;// 水印字体宽
var $font_h;// 水印字体高
var $mask_w;// 水印宽
var $mask_h;// 水印高
var $mask_font_color = "#ffffff";// 水印文字颜色
var $mask_font = 2;// 水印字体
var $font_size;// 尺寸
var $mask_position = 0;// 水印位置
var $mask_img_pct = 50;// 图片合并程度,值越大，合并程序越低
var $mask_txt_pct = 50;// 文字合并程度,值越小，合并程序越低
var $img_border_size = 0;// 图片边框尺寸
var $img_border_color;// 图片边框颜色
var $_flip_x=0;// 水平翻转次数
var $_flip_y=0;// 垂直翻转次数
var $cut_type=0;// 剪切类型
var $img_type;// 文件类型
// 文件类型定义,并指出了输出图片的函数
var $all_type = array(
"jpg" => array("output"=>"imagejpeg"),
"gif" => array("output"=>"imagegif"),
"png" => array("output"=>"imagepng"),
"wbmp" => array("output"=>"image2wbmp"),
"jpeg" => array("output"=>"imagejpeg"));
/
构造函数
/
function ThumbHandler()
{
$this->mask_font_color = "#ffffff";
$this->font = 2;
$this->font_size = 12;
}
/
取得图片的宽
/
function getImgWidth($src)
{
return imagesx($src);
}
/
取得图片的高
/
function getImgHeight($src)
{
return imagesy($src);
}
/
设置图片生成路径

@param string $src_img 图片生成路径
/
function setSrcImg($src_img,$img_type=null)
{
if(!file_exists($src_img))
{
die("图片不存在");
}
if(!emptyempty($img_type))
{
$this->img_type = $img_type;
}
else
{
$this->img_type = $this->_getImgType($src_img);
}
$this->_checkValid($this->img_type);
// file_get_contents函数要求PHP版本>4.3.0
$src = '';
if(function_exists("file_get_contents"))
{
$src = file_get_contents($src_img);
}
else
{
$handle = fopen ($src_img,"r");
while (!feof ($handle))
{
$src .= fgets($fd,4096);
}
fclose ($handle);
}
if(emptyempty($src))
{
die("图片源为空");
}
$this->h_src = @ImageCreateFromString($src);
$this->src_w = $this->getImgWidth($this->h_src);
$this->src_h = $this->getImgHeight($this->h_src);
}
/
设置图片生成路径

@param string $dst_img 图片生成路径
/
function setDstImg($dst_img)
{
$arr = explode('/',$dst_img);
$last = array_pop($arr);
$path = implode('/',$arr);
$this->_mkdirs($path);
$this->dst_img = $dst_img;
}
/
设置图片的显示质量

@param string $n 质量
/
function setImgdisplayQuality($n)
{
$this->img_display_quality = (int)$n;
}
/
设置图片的生成质量

@param string $n 质量
/
function setImgCreateQuality($n)
{
$this->img_create_quality = (int)$n;
}
/
设置文字水印

@param string $word 水印文字
@param integer $font 水印字体
@param string $color 水印字体颜色
/
function setMaskWord($word)
{
$this->mask_word .= $word;
}
/
设置字体颜色

@param string $color 字体颜色
/
function setMaskFontColor($color="#ffffff")
{
$this->mask_font_color = $color;
}
/
设置水印字体

@param string|integer $font 字体
/
function setMaskFont($font=2)
{
if(!is_numeric($font) && !file_exists($font))
{
die("字体文件不存在");
}
$this->font = $font;
}
/
设置文字字体大小,仅对truetype字体有效
/
function setMaskFontSize($size = "12")
{
$this->font_size = $size;
}
/
设置图片水印

@param string $img 水印图片源
/
function setMaskImg($img)
{
$this->mask_img = $img;
}
/
设置水印横向偏移

@param integer $x 横向偏移量
/
function setMaskOffsetX($x)
{
$this->mask_offset_x = (int)$x;
}
/
设置水印纵向偏移

@param integer $y 纵向偏移量
/
function setMaskOffsetY($y)
{
$this->mask_offset_y = (int)$y;
}
/
指定水印位置

@param integer $position 位置,1:左上,2:左下,3:右上,0/4:右下
/
function setMaskPosition($position=0)
{
$this->mask_position = (int)$position;
}
/
设置图片合并程度

@param integer $n 合并程度
/
function setMaskImgPct($n)
{
$this->mask_img_pct = (int)$n;
}
/
设置文字合并程度

@param integer $n 合并程度
/
function setMaskTxtPct($n)
{
$this->mask_txt_pct = (int)$n;
}
/
设置缩略图边框

@param (类型) (参数名) (描述)
/
function setDstImgBorder($size=1,$color="#000000")
{
$this->img_border_size = (int)$size;
$this->img_border_color = $color;
}
/
水平翻转
/
function flipH()
{
$this->_flip_x++;
}
/
垂直翻转
/
function flipV()
{
$this->_flip_y++;
}
/
设置剪切类型

@param (类型) (参数名) (描述)
/
function setCutType($type)
{
$this->cut_type = (int)$type;
}
/
设置图片剪切

@param integer $width 矩形剪切
/
function setRectangleCut($width,$height)
{
$this->fill_w = (int)$width;
$this->fill_h = (int)$height;
}
/
设置源图剪切起始坐标点

@param (类型) (参数名) (描述)
/
function setSrcCutPosition($x,$y)
{
$this->src_x = (int)$x;
$this->src_y = (int)$y;
}
/
创建图片,主函数
@param integer $a 当缺少第二个参数时，此参数将用作百分比，
否则作为宽度值
@param integer $b 图片缩放后的高度
*/
function createImg($a,$b=null)
{
$num = func_num_args();
if(1 == $num)
{
$r = (int)$a;
if($r < 1)
{
die("图片缩放比例不得小于1");
}
$this->img_scale = $r;
$this->_setNewImgSize($r);
}
if(2 == $num)
{
$w = (int)$a;
$h = (int)$b;
if(0 == $w)
{
die("目标宽度不能为0");
}
if(0 == $h)
{
die("目标高度不能为0");
}
$this->_setNewImgSize($w,$h);
}
if($this->_flip_x%2!=0)
{
$this->_flipH($this->h_src);
}
if($this->_flip_y%2!=0)
{
$this->_flipV($this->h_src);
}
$this->_createMask();
$this->_output();
// 释放
if(imagedestroy($this->h_src) && imagedestroy($this->h_dst))
{
Return true;
}
else
{
Return false;
}
}
/
生成水印,调用了生成水印文字和水印图片两个方法
/
function _createMask()
{
if($this->mask_word)
{
// 获取字体信息
$this->_setFontInfo();
if($this->_isFull())
{
die("水印文字过大");
}
else
{
$this->h_dst = imagecreatetruecolor($this->dst_w,$this->dst_h);
$white = ImageColorAllocate($this->h_dst,255,255);
imagefilledrectangle($this->h_dst,$this->dst_w,$this->dst_h,$white);// 填充背景色
$this->_drawBorder();
imagecopyresampled( $this->h_dst,$this->h_src,
$this->start_x,$this->start_y,
$this->src_x,$this->src_y,
$this->fill_w,$this->fill_h,
$this->copy_w,$this->copy_h);
$this->_createMaskWord($this->h_dst);
}
}
if($this->mask_img)
{
$this->_loadMaskImg();//加载时，取得宽高
if($this->_isFull())
{
// 将水印生成在原图上再拷
$this->_createMaskImg($this->h_src);
$this->h_dst = imagecreatetruecolor($this->dst_w,$this->copy_h);
}
else
{
// 创建新图并拷贝
$this->h_dst = imagecreatetruecolor($this->dst_w,$this->copy_h);
$this->_createMaskImg($this->h_dst);
}
}
if(emptyempty($this->mask_word) && emptyempty($this->mask_img))
{
$this->h_dst = imagecreatetruecolor($this->dst_w,$this->copy_h);
}
}
/
画边框
/
function _drawBorder()
{
if(!emptyempty($this->img_border_size))
{
$c = $this->_parseColor($this->img_border_color);
$color = ImageColorAllocate($this->h_src,$c[0],$c[1],$c[2]);
imagefilledrectangle($this->h_dst,$color);// 填充背景色
}
}
/
生成水印文字
/
function _createMaskWord($src)
{
$this->_countMaskPos();
$this->_checkMaskValid();
$c = $this->_parseColor($this->mask_font_color);
$color = imagecolorallocatealpha($src,$c[2],$this->mask_txt_pct);
if(is_numeric($this->font))
{
imagestring($src,
$this->font,
$this->mask_pos_x,$this->mask_pos_y,
$this->mask_word,
$color);
}
else
{
imagettftext($src,
$this->font_size,
$color,
$this->mask_word);
}
}
/
生成水印图
/
function _createMaskImg($src)
{
$this->_countMaskPos();
$this->_checkMaskValid();
imagecopymerge($src,
$this->h_mask,
0,
$this->mask_w,$this->mask_h,
$this->mask_img_pct);
imagedestroy($this->h_mask);
}
/
加载水印图
/
function _loadMaskImg()
{
$mask_type = $this->_getImgType($this->mask_img);
$this->_checkValid($mask_type);
// file_get_contents函数要求PHP版本>4.3.0
$src = '';
if(function_exists("file_get_contents"))
{
$src = file_get_contents($this->mask_img);
}
else
{
$handle = fopen ($this->mask_img,4096);
}
fclose ($handle);
}
if(emptyempty($this->mask_img))
{
die("水印图片为空");
}
$this->h_mask = ImageCreateFromString($src);
$this->mask_w = $this->getImgWidth($this->h_mask);
$this->mask_h = $this->getImgHeight($this->h_mask);
}
/
图片输出
/
function _output()
{
$img_type = $this->img_type;
$func_name = $this->all_type[$img_type]['output'];
if(function_exists($func_name))
{
// 判断浏览器,若是IE就不发送头
if(isset($_SERVER['HTTP_USER_AGENT']))
{
$ua = strtoupper($_SERVER['HTTP_USER_AGENT']);
if(!preg_match('/^.MSIE.)$/i',$ua))
{
header("Content-type:$img_type");
}
}
$func_name($this->h_dst,$this->dstimg,$this->imgdisplay_quality);
}
else
{
Return false;
}
}
/
分析颜色

@param string $color 十六进制颜色
/
function _parseColor($color)
{
$arr = array();
for($ii=1; $ii<strlen ($color); $ii++)
{
$arr[] = hexdec(substr($color,$ii,2));
$ii++;
}
Return $arr;
}
/
计算出位置坐标
/
function _countMaskPos()
{
if($this->_isFull())
{
switch($this->mask_position)
{
case 1:
// 左上
$this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;
$this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;
break;
case 2:
// 左下
$this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;
$this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;
break;
case 3:
// 右上
$this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;
$this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;
break;
case 4:
// 右下
$this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;
$this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;
break;
default:
// 默认将水印放到右下,偏移指定像素
$this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;
$this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;
break;
}
}
else
{
switch($this->mask_position)
{
case 1:
// 左上
$this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;
$this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;
break;
case 2:
// 左下
$this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;
$this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;
break;
case 3:
// 右上
$this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;
$this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;
break;
case 4:
// 右下
$this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;
$this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;
break;
default:
// 默认将水印放到右下,偏移指定像素
$this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;
$this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;
break;
}
}
}
/
设置字体信息
/
function _setFontInfo()
{
if(is_numeric($this->font))
{
$this->font_w = imagefontwidth($this->font);
$this->font_h = imagefontheight($this->font);
// 计算水印字体所占宽高
$word_length = strlen($this->mask_word);
$this->mask_w = $this->font_w*$word_length;
$this->mask_h = $this->font_h;
}
else
{
$arr = imagettfbBox ($this->font_size,$this->font,$this->mask_word);
$this->mask_w = abs($arr[0] - $arr[2]);
$this->mask_h = abs($arr[7] - $arr[1]);
}
}
/*
设置新图尺寸

@param integer $img_w 目标宽度
@param integer $img_h 目标高度
/
function _setNewImgSize($img_w,$img_h=null)
{
$num = func_num_args();
if(1 == $num)
{
$this->img_scale = $img_w;// 宽度作为比例
$this->fill_w = round($this->src_w $this->img_scale / 100) - $this->img_border_size2;
$this->fill_h = round($this->src_h $this->img_scale / 100) - $this->img_border_size2;
// 源文件起始坐标
$this->src_x = 0;
$this->src_y = 0;
$this->copy_w = $this->src_w;
$this->copy_h = $this->src_h;
// 目标尺寸
$this->dst_w = $this->fill_w + $this->img_border_size2;
$this->dst_h = $this->fill_h + $this->img_border_size2;
}
if(2 == $num)
{
$fill_w = (int)$img_w - $this->img_border_size2;
$fill_h = (int)$img_h - $this->img_border_size2;
if($fill_w < 0 || $fill_h < 0)
{
die("图片边框过大，已超过了图片的宽度");
}
$rate_w = $this->src_w/$fill_w;
$rate_h = $this->src_h/$fill_h;
switch($this->cut_type)
{
case 0:
// 如果原图大于缩略图，产生缩小，否则不缩小
if($rate_w < 1 && $rate_h < 1)
{
$this->fill_w = (int)$this->src_w;
$this->fill_h = (int)$this->src_h;
}
else
{
if($rate_w >= $rate_h)
{
$this->fill_w = (int)$fill_w;
$this->fill_h = round($this->src_h/$rate_w);
}
else
{
$this->fill_w = round($this->src_w/$rate_h);
$this->fill_h = (int)$fill_h;
}
}
$this->src_x = 0;
$this->src_y = 0;
$this->copy_w = $this->src_w;
$this->copy_h = $this->src_h;
// 目标尺寸
$this->dst_w = $this->fill_w + $this->img_border_size2;
$this->dst_h = $this->fill_h + $this->img_border_size2;
break;
// 自动裁切
case 1:
// 如果图片是缩小剪切才进行操作
if($rate_w >= 1 && $rate_h >=1)
{
if($this->src_w > $this->src_h)
{
$src_x = round($this->src_w-$this->src_h)/2;
$this->setSrcCutPosition($src_x,0);
$this->setRectangleCut($fill_h,$fill_h);
$this->copy_w = $this->src_h;
$this->copy_h = $this->src_h;
}
elseif($this->src_w < $this->src_h)
{
$src_y = round($this->src_h-$this->src_w)/2;
$this->setSrcCutPosition(0,$src_y);
$this->setRectangleCut($fill_w,$fill_h);
$this->copy_w = $this->src_w;
$this->copy_h = $this->src_w;
}
else
{
$this->setSrcCutPosition(0,0);
$this->copy_w = $this->src_w;
$this->copy_h = $this->src_w;
$this->setRectangleCut($fill_w,$fill_h);
}
}
else
{
$this->setSrcCutPosition(0,0);
$this->setRectangleCut($this->src_w,$this->src_h);
$this->copy_w = $this->src_w;
$this->copy_h = $this->src_h;
}
// 目标尺寸
$this->dst_w = $this->fill_w + $this->img_border_size2;
$this->dst_h = $this->fill_h + $this->img_border_size2;
break;
// 手工裁切
case 2:
$this->copy_w = $this->fill_w;
$this->copy_h = $this->fill_h;
// 目标尺寸
$this->dst_w = $this->fill_w + $this->img_border_size2;
$this->dst_h = $this->fill_h + $this->img_border_size2;
break;
default:
break;
}
}
// 目标文件起始坐标
$this->start_x = $this->img_border_size;
$this->start_y = $this->img_border_size;
}
/
检查水印图是否大于生成后的图片宽高
/
function _isFull()
{
Return ( $this->mask_w + $this->mask_offset_x > $this->fill_w
|| $this->mask_h + $this->mask_offset_y > $this->fill_h)
?true:false;
}
/
检查水印图是否超过原图
/
function _checkMaskValid()
{
if( $this->mask_w + $this->mask_offset_x > $this->src_w
|| $this->mask_h + $this->mask_offset_y > $this->src_h)
{
die("水印图片尺寸大于原图，请缩小水印图");
}
}
/
取得图片类型

@param string $file_path 文件路径
/
function _getImgType($file_path)
{
$type_list = array("1"=>"gif","2"=>"jpg","3"=>"png","4"=>"swf","5" => "psd","6"=>"bmp","15"=>"wbmp");
if(file_exists($file_path))
{
$img_info = @getimagesize ($file_path);
if(isset($type_list[$img_info[2]]))
{
Return $type_list[$img_info[2]];
}
}
else
{
die("文件不存在,不能取得文件类型!");
}
}
/*
检查图片类型是否合法,调用了array_key_exists函数，此函数要求
PHP版本大于4.1.0

@param string $img_type 文件类型
/
function _checkValid($img_type)
{
if(!array_key_exists($img_type,$this->all_type))
{
Return false;
}
}
/
按指定路径生成目录

@param string $path 路径
/
function _mkdirs($path)
{
$adir = explode('/',$path);
$dirlist = '';
$rootdir = array_shift($adir);
if(($rootdir!='.'||$rootdir!='..')&&!file_exists($rootdir))
{
@mkdir($rootdir);
}
foreach($adir as $key=>$val)
{
if($val!='.'&&$val!='..')
{
$dirlist .= "/".$val;
$dirpath = $rootdir.$dirlist;
if(!file_exists($dirpath))
{
@mkdir($dirpath);
@chmod($dirpath,0777);
}
}
}
}
/
垂直翻转

@param string $src 图片源
/
function _flipV($src)
{
$src_x = $this->getImgWidth($src);
$src_y = $this->getImgHeight($src);
$new_im = imagecreatetruecolor($src_x,$src_y);
for ($y = 0; $y < $src_y; $y++)
{
imagecopy($new_im,$src,$src_y - $y - 1,$y,$src_x,1);
}
$this->h_src = $new_im;
}
/*
水平翻转

@param string $src 图片源
*/
function _flipH($src)
{
$src_x = $this->getImgWidth($src);
$src_y = $this->getImgHeight($src);
$new_im = imagecreatetruecolor($src_x,$src_y);
for ($x = 0; $x < $src_x; $x++)
{
imagecopy($new_im,$src_x - $x - 1,$x,1,$src_y);
}
$this->h_src = $new_im;
}
}
使用实例:
< ?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
$t->setSrcImg("img/test.jpg");
$t->setDstImg("tmp/new_test.jpg");
$t->setMaskImg("img/test.gif");
$t->setMaskPosition(1);
$t->setMaskImgPct(80);
$t->setDstImgBorder(4,"#dddddd");
// 指定缩放比例
$t->createImg(300,200);
?>
<?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
// 基本使用
$t->setSrcImg("img/test.jpg");
$t->setMaskWord("test");
$t->setDstImgBorder(10,"#dddddd");
// 指定缩放比例
$t->createImg(50);
?>
<?PHP
equire_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
// 基本使用
$t->setSrcImg("img/test.jpg");
$t->setMaskWord("test");
// 指定固定宽高
$t->createImg(200,200);
?>
<?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
$t->setSrcImg("img/test.jpg");
$t->setDstImg("tmp/new_test.jpg");
$t->setMaskWord("test");
// 指定固定宽高
$t->createImg(200,200);
?>
<?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
$t->setSrcImg("img/test.jpg");
// 指定字体文件地址
$t->setMaskFont("c:/winnt/fonts/arial.ttf");
$t->setMaskFontSize(20);
$t->setMaskFontColor("#ffff00");
$t->setMaskWord("test3333333");
$t->setDstImgBorder(99,"#dddddd");
$t->createImg(50);
?>
<?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
$t->setSrcImg("img/test.jpg");
$t->setMaskOffsetX(55);
$t->setMaskOffsetY(55);
$t->setMaskPosition(1);
//$t->setMaskPosition(2);
//$t->setMaskPosition(3);
//$t->setMaskPosition(4);
$t->setMaskFontColor("#ffff00");
$t->setMaskWord("test");
// 指定固定宽高
$t->createImg(50);
?>
<?PHP
require_once('lib/thumb.class.PHP');
$t = new ThumbHandler();
$t->setSrcImg("img/test.jpg");
$t->setMaskFont("c:/winnt/fonts/simyou.ttf");
$t->setMaskFontSize(20);
$t->setMaskFontColor("#ffffff");
$t->setMaskTxtPct(20);
$t->setDstImgBorder(10,"#dddddd");
$text = "中文";
$str = mb_convert_encoding($text,"UTF-8","gb2312");
$t->setMaskWord($str);
$t->setMaskWord("test");
// 指定固定宽高
$t->createImg(50);
?>

图像处理类

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