PHP: adding watermarks to different positions based on the image color field _ PHP Tutorial

PHP adds watermarks to different positions based on the image color field. PHP: how to add watermarks to different positions in the image color field this article describes how to add watermarks to different positions in the PHP image color field. Share it with you for your reference. Implementation Method: Add a watermark in different locations based on the color field of the image.

This example describes how to add watermarks to different positions in the image color field in PHP. Share it with you for your reference. The specific implementation method is as follows:

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Function add_wm ($ nmw_water, $ src_file, $ output_file, $ x, $ y ){ If (file_exists ($ output_file )) Return; $ W1 = MagickGetImageWidth ($ nmw_water ); $ H1 = MagickGetImageHeight ($ nmw_water ); $ Nmw = NewMagickWand (); MagickReadImage ($ nmw, $ src_file ); // Adjust the default Watermark Position $ Lt_w = 50; $ Lt_h = 50; If ($ x = 0 ){ $ W = MagickGetImageWidth ($ nmw ); $ H = MagickGetImageHeight ($ nmw ); $ X = $ w; $ Y = $ h; } Else { // Adjust according to the actual situation $ Lt_w = 30; $ Lt_h = 40; } MagickCompositeImage ($ nmw, $ nmw_water, MW_OverCompositeOp, $ x-$ w1-$ lt_w, $ y-$ h1-$ lt_h ); MagickWriteImage ($ nmw, $ output_file ); DestroyMagickWand ($ nmw ); } // It's Still groovy's eachFileRecurse easy to use. Function add_wm_recurse ($ nmw_water, $ to_dir, $ output_dir, $ arr ){ $ Dp = dir ($ to_dir ); While ($ file = $ dp-> read ()){ If ($ file! = '.' & $ File! = '..'){ If (is_dir ($ to_dir. '/'. $ file )){ Mkdir ($ output_dir. '/'. $ file ); Add_wm_recurse ($ nmw_water, $ to_dir. '/'. $ file, $ output_dir. '/'. $ file, $ arr ); } Else { If (! Array_key_exists ($ to_dir. '/'. $ file, $ arr )){ Continue; } $ Sub_arr = $ arr [$ to_dir. '/'. $ file]; If ($ sub_arr ){ $ X = intval ($ sub_arr [0]); $ Y = intval ($ sub_arr [1]); Add_wm ($ nmw_water, $ to_dir. '/'. $ file, $ output_dir. '/'. $ file, $ x, $ y ); } } } } $ Dp-> close (); } $ To_dir = './resized '; $ Output_dir = './output '; // This is the coordinate array (posX, posY) of the area that matches the trousers color obtained by traversing image pixels using java ImageIO) $ Arr = array ( Array (50, 50) ); $ Water = './water.png '; $ Nmw_water = NewMagickWand (); MagickReadImage ($ nmw_water, $ water ); Add_wm_recurse ($ nmw_water, $ to_dir, $ output_dir, $ arr ); DestroyMagickWand ($ nmw_water );

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Examples in this article describes how to add watermarks to different positions in the image color field in PHP. Share it with you for your reference. Implementation method...