class Image{
//内存中的图片
private $image;
//图片的基本信息
private $info;
//打开一张图片，读取到内存中
public function __construct($src){
$info = getimagesize($src);
$this->info=array(
'width'=>$info[0],
'height'=>$info[1],
'type'=>image_type_to_extension($info['2'],false),
'mime'=>$info['mime']
);
$fun = "imagecreatefrom{$this->info['type']}";
$this->image=$fun($src);
}
//操作图片(压缩图片)
public function thumb($width,$height){
$image_thumb = imagecreatetruecolor($width,$height);
imagecopyresampled($image_thumb,$this->image,0,0,0,0,$width,$height,$this->info['width'],$this->info['height']);
imagedestroy($this->image);//销毁原图像
$this->image = $image_thumb;//用压缩图片代替内存中原图像
}
//操作图片(添加文字水印)
public function fontMark($content,$font_url,$size,$color,$local,$angle){
$col=imagecolorallocatealpha($this->image,$color[0],$color[1],$color[2],$color[3]);
imagettftext($this->image,$size,$angle,$local[x],$local[y],$col,$font_url,$content);
}
//在浏览器中输出图片
public function show(){
header("Content-type:".$this->info['mime']);
$funs = "image{$this->info['type']}";
$funs($this->image);
}
//把图片保存在硬盘里
public function save($newname){
$funs = "image{$this->info['type']}";
$funs($this->image,$newname.'.'.$this->info['type']);
}
//销毁图片
public function __destruct()
{
imagedestroy($this->image);
}
}
<?php
require "image.class.php";
$src='timg.jpg';
$content="欢迎来到南充农商网";
$font_url="simsun.ttc";
$size=20;
$color=array(
0 => 255,
1 => 255,
2 => 255,
3 => 20
);
$local=array(
'x'=>20,
'y'=>30
);
$angle=10;
$image=new Image($src);
$image->fontMark($content,$font_url,$size,$color,$local,$angle);
$image->show();
?>
1 回答
orangewangjie3473319
TA贡献5条经验 获得超2个赞
数组引用加引号，我测试过的
imagettftext($this->image,$size,$angle,$local['x'],$local['y'],$col,$font_url,$content);
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