ueditor编辑器上传图片添加水印_Mpower_新浪博客

      case ‘uploadimage’:

        $config = array(

            “pathFormat” => $CONFIG[‘imagePathFormat’],

            “maxSize” => $CONFIG[‘imageMaxSize’],

            “allowFiles” => $CONFIG[‘imageAllowFiles’]

        );

        $fieldName = $CONFIG[‘imageFieldName’];

        break;

       if( $this->water ){ 

            $this->watermark($this->filePath,$this->filePath);

        }

【*

* 图片加水印

* $source  string  图片资源

* $target  string  添加水印后的名字

* $w_pos   int     水印位置安排（1-10）【1:左头顶；2:中间头顶；3:右头顶…值空:随机位置】

* $w_img   string  水印图片路径

* $w_text  string  显示的文字

* $w_font  int     字体大小

* $w_color string  字体颜色

*】

public function watermark($source, $target = ”, $w_pos = ”, $w_img = ”, $w_text = ‘www.aiyu.com’,$w_font = 10, $w_color = ‘#CC0000’) {

$this->w_img = ‘../watermark.png’;//水印图片

$this->w_pos = 9;

$this->w_minwidth = 400;//最少宽度

$this->w_minheight = 200;//最少高度

$this->w_quality = 80;//图像质量

$this->w_pct = 85;//透明度

 

$w_pos = $w_pos ? $w_pos : $this->w_pos;

$w_img = $w_img ? $w_img : $this->w_img;

if(!$this->check($source)) return false;

if(!$target) $target = $source;

$source_info = getimagesize($source);//图片信息

$source_w  = $source_info[0];//图片宽度

$source_h  = $source_info[1];//图片高度

if($source_w < $this->w_minwidth || $source_h < $this->w_minheight) return false;

switch($source_info[2]) { //图片类型

case 1 : //GIF格式

$source_img = imagecreatefromgif($source);

break;

case 2 : //JPG格式

$source_img = imagecreatefromjpeg($source);

break;

case 3 : //PNG格式

$source_img = imagecreatefrompng($source);

//imagealphablending($source_img,false); //关闭混色模式

   imagesavealpha($source_img,true); //设置标记以在保存 PNG 图像时保存完整的 alpha 通道信息（与单一透明色相反）

break;

default :

return false;

}

if(!empty($w_img) && file_exists($w_img)) { //水印图片有效

$ifwaterimage = 1; //标记

$water_info  = getimagesize($w_img);

$width    = $water_info[0];

$height    = $water_info[1];

switch($water_info[2]) {

case 1 :

$water_img = imagecreatefromgif($w_img);

break;

case 2 :

$water_img = imagecreatefromjpeg($w_img);

break;

case 3 :

$water_img = imagecreatefrompng($w_img);

imagealphablending($water_img,false);

           imagesavealpha($water_img,true);

break;

default :

return;

}

}else{

$ifwaterimage = 0;

$temp = imagettfbbox(ceil($w_font*2.5), 0, ‘../../texb.ttf’, $w_text); //imagettfbbox返回一个含有 8 个单元的数组表示了文本外框的四个角

$width = $temp[2] – $temp[6];

$height = $temp[3] – $temp[7];

unset($temp);

}

 

switch($w_pos) {

case 1:

$wx = 5;

$wy = 5;

break;

case 2:

$wx = ($source_w – $width) / 2;

$wy = 0;

break;

case 3:

$wx = $source_w – $width;

$wy = 0;

break;

case 4:

$wx = 0;

$wy = ($source_h – $height) / 2;

break;

case 5:

$wx = ($source_w – $width) / 2;

$wy = ($source_h – $height) / 2;

break;

case 6:

$wx = $source_w – $width;

$wy = ($source_h – $height) / 2;

break;

case 7:

$wx = 0;

$wy = $source_h – $height;

break;

case 8:

$wx = ($source_w – $width) / 2;

$wy = $source_h – $height;

break;

case 9:

$wx = $source_w – ($width+5);

$wy = $source_h – ($height+5);

break;

case 10:

$wx = rand(0,($source_w – $width));

$wy = rand(0,($source_h – $height));

break;       

default:

$wx = rand(0,($source_w – $width));

$wy = rand(0,($source_h – $height));

break;

}

 

if($ifwaterimage) {

if($water_info[2] == 3) {

imagecopy($source_img, $water_img, $wx, $wy, 0, 0, $width, $height);

}else{

imagecopymerge($source_img, $water_img, $wx, $wy, 0, 0, $width, $height, $this->w_pct);

}

}else{

if(!empty($w_color) && (strlen($w_color)==7)) {

$r = hexdec(substr($w_color,1,2));

$g = hexdec(substr($w_color,3,2));

$b = hexdec(substr($w_color,5));

}else{

return;

}

imagestring($source_img,$w_font,$wx,$wy,$w_text,imagecolorallocate($source_img,$r,$g,$b));

}

  

switch($source_info[2]) {

case 1 :

imagegif($source_img, $target); 

//GIF 格式将图像输出到浏览器或文件(欲输出的图像资源, 指定输出图像的文件名)

break;

case 2 :

imagejpeg($source_img, $target, $this->w_quality);

break;

case 3 :

imagepng($source_img, $target);

break;

default :

return;

}

 

if(isset($water_info)){

unset($water_info);

}

if(isset($water_img)) {

imagedestroy($water_img);

}

unset($source_info);

imagedestroy($source_img);

return true;

}

public function check($image){

return extension_loaded(‘gd’) && preg_match(“/\.(jpg|jpeg|gif|png)/i”, $image, $m) && file_exists($image) && function_exists(‘imagecreatefrom’.($m[1] == ‘jpg’ ? ‘jpeg’ : $m[1]));

}