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PHP实现在图片中添加中文文字_PHP

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Release: 2016-06-01 12:30:30
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/*
注意:需要gd库支持,需要iconv支持(php5已经包含不用加载)
*version 1.0
*@author sanshi(叁石)
*QQ: 35047205
*MSN: sanshi0815@tom.com
*Create 2005/10/20
在图片中添加中文文字
*/
/*
param $image 图象资源
param size 字体大小
param angle 字体输出角度
param showX 输出位置x坐标
param showY 输出位置y坐标
param font 字体文件位置
param content 要在图片里显示的内容
*/
class showChinaText
{
var $text='你好';
var $font='fs.ttf';
var $angle=0;
var $size=50;
var $showX=100;
var $showY=100;
function showChinaText($showText='')
{
$this->text=!isset($showText)?$showText:$this->text;
//exit();
$this->show();
}
function createText($instring)
{
$outstring="";
$max=strlen($instring);
for($i=0;$i {
$h=ord($instring[$i]);
if($h>=160 && $i {
$outstring.="".base_convert(bin2hex(iconv("gb2312","ucs-2",substr ($instring,$i,2))),16,10).";";
$i ;
}
else
{
$outstring.=$instring[$i];
}
}
return $outstring;
}
function createJpeg()
{}
function show()
{
//输出头内容
Header( "Content-type: image/png");
//建立图象
$image = imagecreate(400,300);
//定义颜色
$red = ImageColorAllocate($image,255,0,0);
$white = ImageColorAllocate($image,255,255,255);
$black=ImageColorAllocate($image,0,0,0);
//填充颜色
ImageFilledRectangle($image,0,0,200,200,$red);
//显示文字
$txt=$this->createText($this->text);
//写入文字
imagettftext($image,$this->size, $this->angle, $this->showX, $this->showY,$white,$this->font,$txt);
//ImageString($image,5,50,10,$txt,$white);
//显示图形
imagejpeg($image);
ImageDestroy($image);
}
}
//本类,并没有经过很好的考虑,只是简单的进行了封装,以后有机会,可能跟原来的图片类整合
?>
//使用示例
$s = new showChinaText();
?>

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