PHP水印类,支持添加图片、文字、填充颜色区域的实现
发布:smiling 来源: PHP粉丝网 添加日期:2018-07-26 13:40:09 浏览: 评论:0
*自己整理的一个水印类*支持添加图片、文字、填充颜色区域.
- <?php
- /**
- * 图片加水印类,支持文字水印、透明度设置、自定义水印位置等。
- * 使用示例:
- * $obj = new WaterMask($imgFileName); //实例化对象
- * $obj->$waterType = 1; //类型:0为文字水印、1为图片水印
- * $obj->$transparent = 45; //水印透明度
- * $obj->$waterStr = 'icp.niufee.com'; //水印文字
- * $obj->$fontSize = 18; //文字字体大小
- * $obj->$fontColor = array(255,255,255); //水印文字颜色(RGB)
- * $obj->$fontFile = 'AHGBold.ttf'; //字体文件
- * ……
- * $obj->output(); //输出水印图片文件覆盖到输入的图片文件
- * @modify liuzp111
- */
- classWaterMask{
- public$waterTypeImage = false; //水印类型:启用图片水印
- public$waterTypeStr = false; //水印类型:启用文字水印
- public$pos = 0; //水印位置
- public$transparent = 45; //水印透明度(0---100)数值越大越不透明
- public$waterStr ='icp.niufee.com'; //水印文字
- public$fontSize = 14; //文字字体大小
- public$fontColor =array(0,0,0); //水印文字颜色(RGB) 默认黑色
- public$fontFile ='./font/simfang.ttf'; //字体文件
- public$waterImg ='logo.png'; //水印图片
- private$srcImg =''; //需要添加水印的图片
- private$im =''; //图片句柄
- private$water_im =''; //水印图片句柄
- private$srcImg_info =''; //图片信息
- private$waterImg_info =''; //水印图片信息
- private$str_w =''; //水印文字宽度
- private$str_h =''; //水印文字高度
- private$x =''; //水印X坐标
- private$y =''; //水印y坐标
- public$output_img =''; //存储输出图片到哪里
- public$is_draw_rectangle= false; //是否绘制矩形区域 (暂不支持自定义位置)
- //public $rectange_color = ''; //绘制矩形区域的颜色
- private$result_array =array(); //结果数组
- publicfunction__construct($img) { //析构函数
- //$this->srcImg = file_exists($img) ? $img : die('"'.$img.'" 源文件不存在!');
- if(file_exists($img)){
- $this->srcImg =$img;
- }else{
- returnarray('data'=>'','info'=>'源文件不存在!','status'=>0);
- }
- }
- privatefunctionimginfo() { //获取需要添加水印的图片的信息,并载入图片。
- $this->srcImg_info =getimagesize($this->srcImg);
- switch($this->srcImg_info[2]) {
- case3:
- $this->im = imagecreatefrompng($this->srcImg);
- break1;
- case2:
- $this->im = imagecreatefromjpeg($this->srcImg);
- break1;
- case1:
- $this->im = imagecreatefromgif($this->srcImg);
- break1;
- default:
- //die('原图片('.$this->srcImg.')格式不对,只支持PNG、JPEG、GIF。');
- returnarray('data'=>'','info'=>'原图片('.$this->srcImg.')格式不对,只支持PNG、JPEG、GIF。','status'=>0);
- }
- }
- privatefunctionwaterimginfo() { //获取水印图片的信息,并载入图片。
- $this->waterImg_info =getimagesize($this->waterImg);
- switch($this->waterImg_info[2]) {
- case3:
- $this->water_im = imagecreatefrompng($this->waterImg);
- break1;
- case2:
- $this->water_im = imagecreatefromjpeg($this->waterImg);
- break1;
- case1:
- $this->water_im = imagecreatefromgif($this->waterImg);
- break1;
- default:
- //die('水印图片('.$this->srcImg.')格式不对,只支持PNG、JPEG、GIF。');
- returnarray('data'=>'','info'=>'水印图片('.$this->srcImg.')格式不对,只支持PNG、JPEG、GIF。','status'=>0);
- }
- }
- privatefunctionwaterpos() { //水印位置算法
- switch($this->pos) {
- case0: //随机位置
- $this->x = rand(0,$this->srcImg_info[0]-$this->waterImg_info[0]);
- $this->y = rand(0,$this->srcImg_info[1]-$this->waterImg_info[1]);
- break1;
- case1: //上左
- $this->x = 0;
- $this->y = 0;
- break1;
- case2: //上中
- $this->x = ($this->srcImg_info[0]-$this->waterImg_info[0])/2;
- $this->y = 0;
- break1;
- case3: //上右
- $this->x =$this->srcImg_info[0]-$this->waterImg_info[0];
- $this->y = 0;
- break1;
- case4: //中左
- $this->x = 0;
- $this->y = ($this->srcImg_info[1]-$this->waterImg_info[1])/2;
- break1;
- case5: //中中
- $this->x = ($this->srcImg_info[0]-$this->waterImg_info[0])/2;
- $this->y = ($this->srcImg_info[1]-$this->waterImg_info[1])/2;
- break1;
- case6: //中右
- $this->x =$this->srcImg_info[0]-$this->waterImg_info[0];
- $this->y = ($this->srcImg_info[1]-$this->waterImg_info[1])/2;
- break1;
- case7: //下左
- $this->x = 0;
- $this->y =$this->srcImg_info[1]-$this->waterImg_info[1];
- break1;
- case8: //下中
- $this->x = ($this->srcImg_info[0]-$this->waterImg_info[0])/2;
- $this->y =$this->srcImg_info[1]-$this->waterImg_info[1];
- break1;
- case9: //下中偏上100px
- $this->x = ($this->srcImg_info[0]-$this->waterImg_info[0])/2;
- $this->y =$this->srcImg_info[1]-$this->waterImg_info[1] - 100;
- break1;
- default: //下右
- $this->x =$this->srcImg_info[0]-$this->waterImg_info[0];
- $this->y =$this->srcImg_info[1]-$this->waterImg_info[1];
- break1;
- }
- }
- /**
- * 水印文字图片位置,根据需求调整
- */
- privatefunctionwaterposStr() {
- $this->x = ($this->srcImg_info[0]-$this->waterImg_info[0])/2;
- $this->y =$this->srcImg_info[1]-$this->waterImg_info[1] - 3;
- }
- privatefunctionwaterimg($type='') {
- if($this->srcImg_info[0] <=$this->waterImg_info[0] ||$this->srcImg_info[1] <=$this->waterImg_info[1]){
- //die('水印比原图大!');
- returnarray('data'=>'','info'=>'水印比原图大!','status'=>0);
- }
- if($type=='waterstr'){
- $this->waterposStr();
- }else{
- $this->waterpos();
- }
- $cut= imagecreatetruecolor($this->waterImg_info[0],$this->waterImg_info[1]);
- imagecopy($cut,$this->im,0,0,$this->x,$this->y,$this->waterImg_info[0],$this->waterImg_info[1]);
- $pct=$this->transparent;
- imagecopy($cut,$this->water_im,0,0,0,0,$this->waterImg_info[0],$this->waterImg_info[1]);
- imagecopymerge($this->im,$cut,$this->x,$this->y,0,0,$this->waterImg_info[0],$this->waterImg_info[1],$pct);
- }
- privatefunctionwaterstr() {
- $rect= imagettfbbox($this->fontSize,0,$this->fontFile,$this->waterStr);
- $w=abs($rect[2]-$rect[6]);
- $h=abs($rect[3]-$rect[7]);
- $fontHeight=$this->fontSize;
- $this->water_im = imagecreatetruecolor($w,$h);
- imagealphablending($this->water_im,false);
- imagesavealpha($this->water_im,true);
- $white_alpha= imagecolorallocatealpha($this->water_im,255,255,255,127);
- imagefill($this->water_im,0,0,$white_alpha);
- $color= imagecolorallocate($this->water_im,$this->fontColor[0],$this->fontColor[1],$this->fontColor[2]);
- imagettftext($this->water_im,$this->fontSize,0,0,$this->fontSize,$color,$this->fontFile,$this->waterStr);
- $this->waterImg_info =array(0=>$w,1=>$h);
- $this->waterimg($type='waterstr');
- }
- /**
- * 绘制矩形区
- * bool imagefilledrectangle ( resource $image , int $x1 , int $y1 , int $x2 , int $y2 , int $color )
- * bool imagerectangle ( resource $image , int $x1 , int $y1 , int $x2 , int $y2 , int $col )
- * @author liuzp111
- */
- publicfunctiondrawRectangle()
- {
- //imagefill($im,0,0,$gray);//填充资源,填充的坐标(类似PS魔棒),颜色
- /*
- * 1--------------画长方形--------------
- * bool imagerectangle ( resource $image , int $x1 , int $y1 , int $x2 , int $y2 , int $col )
- * 参数: 画布资源, 左上角x坐标,左上y坐标,右下x坐标,右下y坐标,颜色
- */
- $color= imagecolorallocate($this->im,255,255,255);//创建矩形边框颜色和填充颜色
- //=========================================================================
- //绘制矩形区域并填充
- // 参数说明:
- //bool imagefilledrectangle ( resource $image , int $x1 , int $y1 , int $x2 , int $y2 , int $color )
- // im:为将图像载入为图像资源
- // $x1:表示矩形左上角的X坐标
- // $y1:表示矩形左上角的Y坐标
- // $x2:表示矩形右下角的X坐标
- // $y2:表示矩形右下角的Y坐标
- // $color:为填充的RGB颜色
- //
- imagefilledrectangle($this->im,3,$this->srcImg_info[1] - 20,$this->srcImg_info[0]-3,$this->srcImg_info[1]-3,$color);
- //不要使用下方的函数填充,下方填充函数为魔棒填充,容易导致填充不完整
- //imagefill($this->im,$this->srcImg_info[0]/2,$this->srcImg_info[1]-8,$color);//填充资源,填充的坐标(魔棒),颜色
- }
- functionoutput() {
- $this->imginfo();
- //是否创建矩形区域
- if($this->is_draw_rectangle){
- $this->drawRectangle();
- }
- if($this->waterTypeStr ) {
- $this->waterstr();
- }
- if($this->waterTypeImage )
- {
- $this->waterimginfo();
- $this->waterimg();
- }
- switch($this->srcImg_info[2]) {
- case3:
- $res_output= imagepng($this->im,$this->output_img);
- break1;
- case2:
- $res_output= imagejpeg($this->im,$this->output_img);
- break1;
- case1:
- $res_output= imagegif($this->im,$this->output_img);
- break1;
- default:
- // die('添加水印失败!');
- returnarray('data'=>'','info'=>'添加水印失败!','status'=>0);
- break;
- } //phpfensi.com
- imagedestroy($this->im);
- imagedestroy($this->water_im);
- returnarray('data'=>$res_output,'info'=>'添加水印成功!','status'=>1);
- }
- }
使用方式:
- $file='58368dddc8c51_22';//需要加水印的图片
- $file_ext='.jpeg';//扩展名
- $imgFileName='./'.$file.$file_ext;//需要加水印图片路径
- $obj=newWaterMask($imgFileName);//实例化对象
- $obj->waterTypeStr = true; //开启文字水印
- $obj->waterTypeImage = true; //开启图片水印
- $obj->pos = 9; //定义水印图片位置
- $obj->waterImg ='./water.png'; //水印图片
- $obj->transparent = 100; //水印透明度
- $obj->waterStr ='保险经纪人:刘测试 电话:02052552'; //水印文字
- $obj->fontSize = 9; //文字字体大小
- $obj->fontColor =array(0,0,0); //水印文字颜色(RGB)
- $obj->fontFile ='./font/msyh.ttc'; //字体文件,这里是微软雅黑
- $obj->is_draw_rectangle = TRUE; //开启绘制矩形区域
- $obj->output_img ='./'.$file.'_n'.$file_ext;//输出的图片路径
- $obj->output();
Tags: 水印 颜色 区域
相关文章
- ·百度UEDITOR编辑器上传图片添加加水印修改(2015-05-09)
- ·php简单生成随机颜色的方法(2019-08-12)
- ·PHP实现获取图片颜色值的方法(2021-03-20)
- ·将CMYK颜色值和RGB颜色相互转换的PHP代码(2021-03-26)
- ·php生成随机颜色的方法(2021-04-26)
- ·php生成随机颜色方法汇总(2021-05-02)
- ·php转换颜色为其反色的方法(2021-05-25)
- ·php使用GD实现颜色渐变实例(2021-05-27)
- ·php和jquery实现地图区域数据统计展示数据示例(2020-09-09)
推荐文章
热门文章
最新评论文章
- 写给考虑创业的年轻程序员(10)
- PHP新手上路(一)(7)
- 惹恼程序员的十件事(5)
- PHP邮件发送例子,已测试成功(5)
- 致初学者:PHP比ASP优秀的七个理由(4)
- PHP会被淘汰吗?(4)
- PHP新手上路(四)(4)
- 如何去学习PHP?(2)
- 简单入门级php分页代码(2)
- php中邮箱email 电话等格式的验证(2)