php 给指定文件夹内文件加水印 脚本

#!/usr/bin/php
<?php

if ($argc != 3 || in_array($argv[1], array('--help', '-help', '-h', '-?'))) {
?>

This is a command line PHP script with one option.

Usage:
<?php echo $argv[0]; ?> 1:pic folder 2:mark file gif path<option>

<option> can be some word you would like
to print out. With the --help, -help, -h,
or -? options, you can get this help.

<?php
} else {
//echo $argv[1];
//echo '\r\n';
$path = $argv[1];
$markgifpath = $argv[2];
// /var/www/xxx.gif

$shows = get_filetree($path);

foreach ($shows as $show)
{
echo $show;
echo "\r\n";
echo img_water_mark($show,$markgifpath,dirname($show),basename($show),5,70);
echo "\r\n";
echo "\r\n";
}

}
/**
* 图片加水印(适用于png/jpg/gif格式)
*
* @param $srcImg 原图片
* @param $waterImg 水印图片
* @param $savepath 保存路径
* @param $savename 保存名字
* @param $positon 水印位置
* 1:顶部居左, 2:顶部居右, 3:居中, 4:底部局左, 5:底部居右
* @param $alpha 透明度 -- 0:完全透明, 100:完全不透明
*
* @return 成功 -- 加水印后的新图片地址
* 失败 -- -1:原文件不存在, -2:水印图片不存在, -3:原文件图像对象建立失败-4:水印文件图像对象建立失败, -5:加水印后的新图片保存失败
*/
function img_water_mark($srcImg, $waterImg, $savepath=null, $savename=null, $positon=5, $alpha=100)
{
$temp = pathinfo($srcImg);
$name = $temp['basename'];
$path = $temp['dirname'];
$exte = $temp['extension'];
$savename = $savename ? $savename : $name;
$savepath = $savepath ? $savepath : $path;
$savefile = $savepath .'/'. $savename;
$srcinfo = @getimagesize($srcImg);
if (!$srcinfo) {
return -1; //原文件不存在
}
$waterinfo = @getimagesize($waterImg);
if (!$waterinfo) {
return -2; //水印图片不存在
}
$srcImgObj = image_create_from_ext($srcImg);
if (!$srcImgObj) {
return -3; //原文件图像对象建立失败
}
$waterImgObj = image_create_from_ext($waterImg);
if (!$waterImgObj) {
return -4; //水印文件图像对象建立失败
}
switch ($positon) {
//1顶部居左
case 1: $x=$y=0; break;
//2顶部居右
case 2: $x = $srcinfo[0]-$waterinfo[0]; $y = 0; break;
//3居中
case 3: $x = ($srcinfo[0]-$waterinfo[0])/2; $y = ($srcinfo[1]-$waterinfo[1])/2; break;
//4底部居左
case 4: $x = 0; $y = $srcinfo[1]-$waterinfo[1]; break;
//5底部居右
case 5: $x = $srcinfo[0]-$waterinfo[0]; $y = $srcinfo[1]-$waterinfo[1]; break;
default: $x=$y=0;
}
//imagecopymerge($srcImgObj, $waterImgObj, $x, $y, 0, 0, $waterinfo[0], $waterinfo[1], $alpha);

imagecopy($srcImgObj, $waterImgObj, $x, $y, 0, 0, $waterinfo[0], $waterinfo[1]);
switch ($srcinfo[2]) {
case 1: imagegif($srcImgObj, $savefile); break;
case 2: imagejpeg($srcImgObj, $savefile); break;
case 3: imagepng($srcImgObj, $savefile); break;
default: return -5; //保存失败
}
imagedestroy($srcImgObj);
imagedestroy($waterImgObj);
return $savefile;
}
function image_create_from_ext($imgfile)
{
$info = getimagesize($imgfile);
$im = null;
switch ($info[2]) {
case 1: $im=imagecreatefromgif($imgfile); break;
case 2: $im=imagecreatefromjpeg($imgfile); break;
case 3: $im=imagecreatefrompng($imgfile); break;
}
return $im;
}
function get_filetree($path)
{
$tree = array();
foreach(glob($path.'/*') as $single)
{
if(is_dir($single))
{
$tree = array_merge($tree,get_filetree($single));
}
else
{
$tree[] = $single;
}
}
return $tree;
}
?>