图片上添加自定义字体的文字水印

来源：互联网发布：乐乎网页版编辑：程序博客网时间：2024/05/16 17:41

<?php/** * 图片上添加自己的文字水印 * @author Recoder */class ImageAddText {protected $imagePath;protected $image;protected $width;protected $height;protected $type;   //文件类型protected $mime;protected $fontPath;public function __construct() {$this->imagePath = null;$this->imagePath = null;$image = null;}public function  __destruct() {if(isset($image)) {imagedestroy($image);}}//为图片和文字添加路径public function addPath($filepath, $fontpath='') {$this->imagePath = $filepath;//获得图片信息$info = getimagesize($filepath);$this->width = $info[0];$this->height = $info[1];$this->type = image_type_to_extension($info[2], false);$this->mime = $info['mime'];//内存中创建图片$func = "imagecreatefrom{$this->type}";$this->image = $func($filepath);$this->fontPath = $fontpath;}//添加文字public function addText($text, $r=0, $g=0, $b=0, $x=20, $y=20, $fontsize=20, $alpha=20) {//文字颜色$color = imagecolorallocatealpha($this->image, $r, $g, $b, $alpha);//文字写入图像中imagettftext($this->image, $fontsize, 0, $x, $y, $color, $this->fontPath, $text);}//显示在浏览器上public function display() {header('Content-type:'.$this->mime);$func = "image{$this->type}";$func($this->image);}//保存public function save($savepath='') {$func = "image{$this->type}";$func($this->image, $savepath);}}

使用

$a = new ImageAddText();$a->addPath('day1/1.jpg', 'day1/font.ttf');$a->addText('Hello World', 255, 255, 255, 100, 100, 50);$a->display();

0 0