使锟斤拷 imagecopymerge() 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷透锟斤拷水印
Example #1 使锟斤拷 imagecopymerge() 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷透锟斤拷水印
<?php
// 锟斤拷锟斤拷要锟斤拷水印锟斤拷图锟斤拷
$im = imagecreatefromjpeg('photo.jpeg');
// 锟斤拷锟斤拷锟斤拷锟角达拷 GD 锟街讹拷锟斤拷锟斤拷水印图锟斤拷
$stamp = imagecreatetruecolor(100, 70);
imagefilledrectangle($stamp, 0, 0, 99, 69, 0x0000FF);
imagefilledrectangle($stamp, 9, 9, 90, 60, 0xFFFFFF);
imagestring($stamp, 5, 20, 20, 'libGD', 0x0000FF);
imagestring($stamp, 3, 20, 40, '(c) 2007-9', 0x0000FF);
// 锟斤拷锟斤拷水印图锟斤拷锟轿伙拷煤痛锟叫�
$marge_right = 10;
$marge_bottom = 10;
$sx = imagesx($stamp);
$sy = imagesy($stamp);
// 锟斤拷 50% 锟斤拷透锟斤拷锟饺合诧拷水印锟斤拷图锟斤拷
imagecopymerge($im, $stamp, imagesx($im) - $sx - $marge_right, imagesy($im) - $sy - $marge_bottom, 0, 0, imagesx($stamp), imagesy($stamp), 50);
// 锟斤拷图锟今保存到锟侥硷拷锟斤拷锟斤拷锟酵凤拷锟节达拷
imagepng($im, 'photo_stamp.png');
imagedestroy($im);
?>
