Home > Backend Development > PHP Tutorial > TP_框架下的GD图片处理类(含基本php图片处理思路)

TP_框架下的GD图片处理类(含基本php图片处理思路)

WBOY
Release: 2016-06-20 12:30:18
Original
876 people have browsed it

<?php/** * Created by PhpStorm. * User: Abo * Date: 2016/1/6 0006 * Time: 下午 3:37 */class ImageTool{    private $info;    private $image;    public function __construct($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);    }    public function getImage(){        return $this->image;    }    public function getInfo(){        return $this->info;    }    /**     * 图片压缩     * @param $width     * @param $height     */    public function thumb($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);        $this->image=$image_thumb;    }    /**     * 字体水印(默认左下角)     * @param $fontfile 字体文件consolaz.ttf     * @param $text 水印内容     */    public function fontMark($fontfile,$text){        //红绿蓝=白+50透明度字体        $col=imagecolorallocatealpha($this->image, 255, 255, 255, 50);          //图片字体合成-参数:图像,字体大小,偏转角度,横向偏移,纵向偏移,颜色,字体文件,内容        imagettftext($this->image, 50, 0, 40, $this->info['height']-50, $col, $fontfile, $text);    }    /**     * 图片水印     * @param $water 水印图片     * @param $waterInfo 水印图片信息     */    public function imageMark($water,$waterInfo){        imagecopymerge($this->image,$water,20,30,0,0,$waterInfo['width'],$waterInfo['height'],20);        /*图片合成-参数:目标图片,水印图片,横向偏移,纵向偏移,         *水印图片x处开始复制,水印图片的y处开始复制,         *水印图片x处结束复制,水印图片y处结束复制,水印图片的透明度。         */        imagedestroy($water);    }    public function showInHtml(){        header("content-type:".$this->info['mime']);        $funs="image{$this->info['type']}";        $funs($this->image);    }    /**     * 保存图片     * @param $newName 保存文件名     */    public function saveImage($newName){        $funs="image{$this->info['type']}";        $funs($this->image,"$newName.".$this->info['type']);//保存图片    }    public function __destruct(){        imagedestroy($this->image);    }}
Copy after login


source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template