<?php
function p_w_picpathWaterMark($groundImage,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000")
{
$isWaterImage = FALSE;
$formatMsg = "暫不支持該文件格式，請用圖片處理軟件將圖片轉換爲GIF、JPG、PNG格式。";
//讀取水印文件
if(!empty($waterImage) && file_exists($waterImage))
{
$isWaterImage = TRUE;
$water_info = getp_w_picpathsize($waterImage);
$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:$water_im = p_w_picpathcreatefromgif($waterImage);break;
case 2:$water_im = p_w_picpathcreatefromjpeg($waterImage);break;
case 3:$water_im = p_w_picpathcreatefrompng($waterImage);break;
default:die($formatMsg);
}
}
//讀取背景圖片
if(!empty($groundImage) && file_exists($groundImage))
{
$ground_info = getp_w_picpathsize($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:$ground_im = p_w_picpathcreatefromgif($groundImage);break;
case 2:$ground_im = p_w_picpathcreatefromjpeg($groundImage);break;
case 3:$ground_im = p_w_picpathcreatefrompng($groundImage);break;
default:die($formatMsg);
}
}
else
{
die("須要加水印的圖片不存在！");
}
//水印位置
if($isWaterImage)//圖片水印
{
$w = $water_w;
$h = $water_h;
$label = "圖片的";
}
else//文字水印
{
$temp = p_w_picpathttfbbox(ceil($textFont*2.5),0,"c:/windows/fonts/stcaiyun.ttf",$waterText);//取得使用 TrueType 字體的文本的範圍
$w = $temp[2] - $temp[6];
$h = $temp[3] - $temp[7];
unset($temp);
$label = "文字區域";
}
if( ($ground_w<$w) || ($ground_h<$h) )
{
echo "須要加水印的圖片的長度或寬度比水印".$label."還小，沒法生成水印！";
return;
}
switch($waterPos)
{
case 0://隨機
$posX = rand(0,($ground_w - $w));
$posY = rand(0,($ground_h - $h));
break;
case 1://1爲頂端居左
$posX = 0;
$posY = 0;
break;
case 2://2爲頂端居中
$posX = ($ground_w - $w) / 2;
$posY = 0;
break;
case 3://3爲頂端居右
$posX = $ground_w - $w;
$posY = 0;
break;
case 4://4爲中部居左
$posX = 0;
$posY = ($ground_h - $h) / 2;
break;
case 5://5爲中部居中
$posX = ($ground_w - $w) / 2;
$posY = ($ground_h - $h) / 2;
break;
case 6://6爲中部居右
$posX = $ground_w - $w;
$posY = ($ground_h - $h) / 2;
break;
case 7://7爲底端居左
$posX = 0;
$posY = $ground_h - $h;
break;
case 8://8爲底端居中
$posX = ($ground_w - $w) / 2;
$posY = $ground_h - $h;
break;
case 9://9爲底端居右
$posX = $ground_w - $w;
$posY = $ground_h - $h;
break;
default://隨機
$posX = rand(0,($ground_w - $w));
$posY = rand(0,($ground_h - $h));
break;
}
//設定圖像的混色模式
p_w_picpathalphablending($ground_im, true);
if($isWaterImage)//圖片水印
{
p_w_picpathcopy($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！");
}
p_w_picpathstring ( $ground_im, $textFont, $posX, $posY, $waterText, p_w_picpathcolorallocate($ground_im, $R, $G, $B));
}
//生成水印後的圖片
@unlink($groundImage);
switch($ground_info[2])//取得背景圖片的格式
{
case 1:p_w_picpathgif($ground_im,$groundImage);break;
case 2:p_w_picpathjpeg($ground_im,$groundImage);break;
case 3:p_w_picpathpng($ground_im,$groundImage);break;
default:die($errorMsg);
}
//釋放內存
if(isset($water_info)) unset($water_info);
if(isset($water_im)) p_w_picpathdestroy($water_im);
unset($ground_info);
p_w_picpathdestroy($ground_im);
}
//---------------------------------------------------------------------------------------
if(isset($_FILES) && !empty($_FILES['userfile']) && $_FILES['userfile']['size']>0)
{
$uploadfile = "./".time()."_".$_FILES['userfile']['name'];
if (copy($_FILES['userfile']['tmp_name'], $uploadfile))
{
echo "OK<br>";
//文字水印
// p_w_picpathWaterMark($uploadfile,9,"./trtt.png","www.zg700.com",5,"#FF0000");
//圖片水印
$waterImage="./shuiyin.png";//水印圖片路徑
p_w_picpathWaterMark($uploadfile,0,$waterImage);
echo "<img src=\"".$uploadfile."\" border=\"0\">";
}
else
{
echo "Fail<br>";
}
}
?>
<form enctype="multipart/form-data" method="POST">
文件: <input name="userfile" type="file">
<input type="submit" value="上傳">
</form>windows |