復制代碼 代碼如下:
<?php
function imageWaterMark($groundImage,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000")
{
$isWaterImage = FALSE;
$formatMsg = "暫不支持該文件格式,請用圖片處理軟件將圖片轉換為GIF、JPG、PNG格式。";
//讀取水印文件
if(!empty($waterImage) && file_exists($waterImage))
{
$isWaterImage = TRUE;
$water_info = getimagesize($waterImage); //得到的是一個數組
$water_w = $water_info[0];//取得水印圖片的寬
$water_h = $water_info[1];//取得水印圖片的高
switch($water_info[2])//取得水印圖片的格式
{
case 1:$water_im = imagecreatefromgif($waterImage);break; //將圖片轉化為PHP可識別的編碼過程
case 2:$water_im = imagecreatefromjpeg($waterImage);break; //將圖片轉化為PHP可識別的編碼過程
case 3:$water_im = imagecreatefrompng($waterImage);break; //將圖片轉化為PHP可識別的編碼過程
default:die($formatMsg);
}
}
//讀取背景圖片
if(!empty($groundImage) && file_exists($groundImage))
{
$ground_info = getimagesize($groundImage);
$ground_w = $ground_info[0];//取得背景圖片的寬
$ground_h = $ground_info[1];//取得背景圖片的高
switch($ground_info[2])//取得背景圖片的格式
{
case 1:$ground_im = imagecreatefromgif($groundImage);break;
case 2:$ground_im = imagecreatefromjpeg($groundImage);break;
case 3:$ground_im = imagecreatefrompng($groundImage);break;
default:die($formatMsg);
}
}
else
{
die("需要加水印的圖片不存在!");
}
//水印位置
if($isWaterImage)//圖片水印
{
$w = $water_w;
$h = $water_h;
$label = "圖片的";
}
else//文字水印
{
$temp = imagettfbbox(ceil($textFont*2.5),0,"c:/windows/fonts/stcaiyun.ttf",$waterText);//取得使用 TrueType 字體的文本的范圍
$w = $temp[2] - $temp[6];
$h = $temp[3] - $temp[7];
unset($temp);
$label = "文字區域";
}
if( ($ground_w<$w) || ($ground_h<$h) )
{
echo "需要加水印的圖片的長度或寬度比水印".$label."還小,無法生成水印!";
return;
}
switch($waterPos)
{
case 0://隨機
$posX = rand(0,($ground_w - $w));
$posY = rand(0,($ground_h - $h));
break;
case 1://1為頂端居左
$posX = 0;
$posY = 0;
break;
case 2://2為頂端居中
$posX = ($ground_w - $w) / 2;
$posY = 0;
break;
case 3://3為頂端居右
$posX = $ground_w - $w;
$posY = 0;
break;
case 4://4為中部居左
$posX = 0;
$posY = ($ground_h - $h) / 2;
break;
case 5://5為中部居中
$posX = ($ground_w - $w) / 2;
$posY = ($ground_h - $h) / 2;
break;
case 6://6為中部居右
$posX = $ground_w - $w;
$posY = ($ground_h - $h) / 2;
break;
case 7://7為底端居左
$posX = 0;
$posY = $ground_h - $h;
break;
case 8://8為底端居中
$posX = ($ground_w - $w) / 2;
$posY = $ground_h - $h;
break;
case 9://9為底端居右
$posX = $ground_w - $w;
$posY = $ground_h - $h;
break;
default://隨機
$posX = rand(0,($ground_w - $w));
$posY = rand(0,($ground_h - $h));
break;
}
//設定圖像的混色模式
imagealphablending($ground_im, true);
if($isWaterImage)//圖片水印
{
imagecopy($ground_im, $water_im, $posX, $posY, 0, 0, $water_w,$water_h);//拷貝水印到目標文件
}
else//文字水印
{
if( !empty($textColor) && (strlen($textColor)==7) )
{
$R = hexdec(substr($textColor,1,2));
$G = hexdec(substr($textColor,3,2));
$B = hexdec(substr($textColor,5));
}
else
{
die("水印文字顏色格式不正確!");
}
imagestring ( $ground_im, $textFont, $posX, $posY, $waterText, imagecolorallocate($ground_im, $R, $G, $B));
}
//生成水印後的圖片
@unlink($groundImage);
switch($ground_info[2])//取得背景圖片的格式
{
case 1:imagegif($ground_im,$groundImage);break; //創建gif格式的圖片
case 2:imagejpeg($ground_im,$groundImage);break; //創建jpeg格式的圖片
case 3:imagepng($ground_im,$groundImage);break; //創建png格式的圖片
default:die($errorMsg);
}
//釋放內存
if(isset($water_info)) unset($water_info);
if(isset($water_im)) imagedestroy($water_im);
unset($ground_info);
imagedestroy($ground_im);
}
?>
<?php
for ($i=0;$i<count($_FILES['userfile']['tmp_name']);$i++)
{
$upfile="./img/".($i+1).".png";//此處路徑換成你的
if(move_uploaded_file($_FILES['userfile']['tmp_name'][$i],$upfile)){
imageWaterMark($upfile,9,"./shuiyin.png","Made By Chenduan",5,"#FF0000");
/*
* 功能:圖片水印 (水印支持圖片或文字)
* imageWaterMark($groundImage,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000")
* 參數:
* $groundImage 背景圖片,即需要加水印的圖片,暫只支持GIF,JPG,PNG格式;
* $waterPos 水印位置,有10種狀態,0為隨機位置;
* 1為頂端居左,2為頂端居中,3為頂端居右;
* 4為中部居左,5為中部居中,6為中部居右;
* 7為底端居左,8為底端居中,9為底端居右;
* $waterImage 圖片水印,即作為水印的圖片,暫只支持GIF,JPG,PNG格式;
* $waterText 文字水印,即把文字作為為水印,支持ASCII碼,不支持中文;
* $textFont 文字大小,值為1、2、3、4或5,默認為5;
* $textColor 文字顏色,值為十六進制顏色值,默認為#FF0000(紅色);
*/
echo "<img src=\"".$upfile."\" border=\"0\">";
echo "第".($i+1)."張圖片操作成功<br>";
}
else{
echo "第".($i+1)."張圖片上傳不了<br>";
}
}
?>