图片操作

提示：图片及字体需自备

        <?php
            header("Content-type:image/jpeg");
            $img=imagecreatefromjpeg("123.jpg");
        
            $textcolor=imagecolorallocate($img,0,0,0);
            $imgx = imagesx($img);
            $imgy = imagesy($img);
            // echo $imgx.",".$imgy;
            $position = imagettfbbox(30,0,"STXINGKA.TTF","广大纺院");
            // print_r($position);
            $tboxx =$position[2] - $position[0];
            $tboxy =$position[1] - $position[5];
            // echo $tboxx.",".$tboxy;
            $pianyiy = $position[1];
        
            imagettftext($img,30,0,$imgx-$tboxx,$imgy-$pianyiy,$textcolor,"STXINGKA.TTF","广大纺院");
        
            $watermark = imagecreatefrompng("闲云.png");
            $watermarkx =imagesx($watermark);
            $watermarky =imagesy($watermark);
        
            $watermark2 = imagecreatetruecolor(100,100);
            imagecopyresampled($watermark2,$watermark,0,0,0,0,100,100,$watermarkx,$watermarky);
            imagecopy($img,$watermark2,0,$imgy-100,0,0,100,100);
        
            imagejpeg($img);
            imagedestory($img);
        
        ?>