PHP GD Library to add watermark implementation code to the page

Header ("Content-type:image/png"); $conn = mysql_connect ("localhost", "root", ""); Connecting to a database $colname _rs_article = $_get[' id ']; Get parameter ID mysql_select_db ("CMS", $conn); Execute SQL $query _rs_article = sprintf ("select * from articles where article_id =%s", $colname _rs_article); $rs _article = mysql_query ($query _rs_article, $conn) or Die (Mysql_error ()); $row _rs_article = Mysql_fetch_assoc ($rs _article); $totalrows _rs_article = mysql_num_rows ($rs _article); PHP GD Library Create watermark $image = Imagecreatetruecolor (700, 1000); Create a canvas $BG = Imagecolorallocate ($image, 255, 255, 255); Set the background to white Imagefill ($image, 0, 0, $BG); $text _color = imagecolorallocate ($image, 0, 0, 0); Set text color to Black Imagestring ($image, 5, 0, 0, $row _rs_article[' title '), $text _color); Output article title Imagestring ($image, 3, 0, $row _rs_article[' author '), $text _color); Output article author Imagestring ($image, 4, 0, $row _rs_article[' content '), $text _color); Output article content $logo = imagecreatefrompng (' logo.png '); Get watermark Picture $logow = Imagesx ($logo); $logoh = Imagesy ($logo); Imagecopy ($image, $logo, 0, 0, 0, 0, $logow, $logoh); Merge text picture with watermark picture Imagejpeg ($image); Output to Browser Imagedestroy ($logo); Imagedestroy ($image); ?> Copy Code

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