/**
* 文字水印的效果
* @param int $id
* @return string
*/
function doWaterText($id)
{
$rows = getProImgsById($id);
foreach ($rows as $row) {
$filename = "../image_800/" . $row['albumPath'];
waterText($filename);
}
$mes = "操作成功";
return $mes;
}
/**
* 文字水印的效果
* @param int $id
* @return string
*/
function doWaterText($id)
{
$rows = getProImgsById($id);
if ($rows) {
foreach ($rows as $row) {
$filename = "../image_800/" . $row['albumPath'];
waterText($filename);
/* waterText() --image.func.php 文字水印*/
}
//$mes="操作成功！";
alertMes("添加文字水印成功!", "listProImages.php");
} else {
//$mes="操作失败！";
alertMes("添加文字水印失败!", "listProImages.php");
}
return $mes;
}
$x = $width - $fontSize * $textLength - 20;
$y = $height - 20;
} else {
$x = 20;
$y = $fontSize + 20;
}
}
echo "x=" . $x . ", y=" . $y . "<br>";
// 添加文字水印
imagettftext($image, $fontSize, 0, $x, $y, $color, $fontfile, $text);
// 创建存放水印图片的文件夹
if (!file_exists("water")) {
mkdir("water", 0777, true);
}
// 输出水印图片
imagejpeg($image, "water/" . substr($filename, 8));
// 销毁画布资源
imagedestroy($image);
$msg = "文字水印添加成功";
return $msg;
}
// 计算中文字符串长度
function utf8_strlen($string = null)
{
// 将字符串分解为单元
preg_match_all("/./us", $string, $match);
// 返回单元个数
return count($match[0]);
}
$msg = waterText("uploads/fbb.jpg", "laurel.com", "center");
echo $msg;
<?php
$filename = "../images/logo.jpg";
waterText($filename);
function waterText($filename, $text = "imooc.com", $fontfile = "MSYH.TTF")
{
$fileInfo = getimagesize($filename);
$mime = $fileInfo['mime'];
$createFun = str_replace("/", "createfrom", $mime);
$outFun = str_replace("/", null, $mime);
$image = $createFun($filename);
$color = imagecolorallocatealpha($image, 255, 0, 0, 50);
$fontfile = "../fonts/{$fontfile}";
imagettftext($image, 14, 0, 0, 14, $color, $fontfile, $text);
header("content-type:" . $mime);
$outFun($image, $filename);
imagedestroy($image);
}
