Add watermarks to images uploaded by Baidu UE Editor

Some days ago, I changed the built-in phpcms editor to the Baidu UE Editor, which is very easy to use. However, I am not satisfied with it, that is, I cannot add a watermark to the uploaded image, after some research, I finally realized it and shared it with you.

Some days ago, I changed the built-in phpcms editor to the Baidu UE Editor, which is very easy to use. However, I am not satisfied with it, that is, I cannot add a watermark to the uploaded image, after some research, I finally realized it and shared it with you.

The UEditor automatically extracts the uploaded images, but the images do not have the watermark function. Let's take a look at them.

The UEditor does not have the image watermarking function and requires secondary development. In this example, the Baidu editor is developed twice in the PHPCMS system to add the image watermarking function.

First, open the php folder in the UEditor file directory, open Uploader. class. php, copy the method for adding a watermark to PHPCMS, add it to the end of all member methods of this class, and then modify it as follows:

// Public function watermark ($ source, $ target = '', $ w_pos ='', $ w_img = '', $ w_text = '99danji ', $ w_font = 8, $ w_color = '# ff0000') {$ this-> w_img = 'watermark.png '; $ this-> w_pos = 9; $ this-> w_minwidth = 400; $ this-> w_minheight = 200; $ this-> w_quality = 80; $ this-> w_pct = 85; $ w_pos = $ w_pos? $ W_pos: $ this-> w_pos; $ w_img = $ w_img? $ W_img: $ this-> w_img; // if (! $ This-> watermark_enable |! $ This-> check ($ source) return false; if (! $ Target) $ target = $ source; // $ w_img = PHPCMS_PATH. $ w_img; // define ('www _ path', dirname (_ FILE _); $ w_img = '.. /.. /.. /images/water /'. $ w_img; $ source_info = getimagesize ($ source); $ source_w = $ source_info [0]; $ source_h = $ source_info [1]; // if ($ source_w <$ this-> w_minwidth | $ source_h <$ this-> w_minheight) return false; switch ($ source_info [2]) {case 1: $ source_img = imagecreatefrom Gif ($ source); break; case 2: $ source_img = imagecreatefromjpeg ($ source); break; case 3: $ source_img = imagecreatefrompng ($ source); break; default: return false;} if (! Empty ($ w_img) & file_exists ($ w_img) {$ ifwaterimage = 1; $ 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); break; default: return ;}} else {$ ifwaterimage = 0; $ temp = imagettfbbox (ceil ($ w _ Font X 2.5), 0, PC_PATH. 'libs/data/font/elephant. ttf', $ w_text); $ 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; $ wy = $ source_h-$ height; 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); 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]);}

Compared with the modified part, because the phpcms watermark can be configured in the background, the built-in watermark method of phpcms obtains the path by reading the configuration file, and obtains the parameter settings by reading the database settings, in this case, you need to manually set these parameters.

By the way, you need to add a function in the upFile method:

The Code is as follows:

If ($ this-> watermark ){
$ This-> watermark ($ this-> filePath, $ this-> filePath );
}

Open the action_upload.php file under the php Directory of UEditor Baidu editor, and add the watermark parameter:

/* Upload configuration */$ base64 = "upload"; switch (htmlspecialchars ($ _ GET ['action']) {case 'uploadimage ': $ config = array ("pathFormat" => $ CONFIG ['imagepathformat'], "maxSize" => $ CONFIG ['imagemaxsize'], "allowFiles" => $ CONFIG ['imageallowfiles']); $ fieldName = $ CONFIG ['imagefieldname']; $ watermark = true; break;

Then there is another sentence to be changed:

The Code is as follows:

/* Generate an upload Instance Object and complete the upload */
$ Up = new Uploader ($ fieldName, $ config, $ base64, $ watermark );

This is a success. This article mainly provides ideas and references.

The above is all the content of this article. I hope you will like it and it will be helpful for you to use the ue editor.