代码收藏 » 水印 http://code.9enjoy.com 收集网站开发时常用到的代码(asp,php,js等)，以函数为主 Mon, 24 Jan 2011 14:23:49 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 给图片加水印类http://code.9enjoy.com/php/watermark/ http://code.9enjoy.com/php/watermark/#comments Fri, 15 Aug 2008 09:46:07 +0000 enjoy http://code.itlearner.com/?p=50 set_time_limit(3000);
class GDMark {
var $sourcePath; //图片存储路径
var $galleryPath; //图片缩略图存储路径
var $toFile = false; //是否生成文件
var $WaterPos;
var $MarkSign = null;
var $fontName; //使用的TTF字体名称
var $maxWidth = 600; //图片最大宽度
... ]]> set_time_limit(3000);
class GDMark {
var $sourcePath; //图片存储路径
var $galleryPath; //图片缩略图存储路径
var $toFile = false; //是否生成文件
var $WaterPos;
var $MarkSign = null;
var $fontName; //使用的TTF字体名称
var $maxWidth = 600; //图片最大宽度
var $maxHeight = 700; //图片最大高度

function GDMark($sourcePath, $galleryPath, $WaterPos, $fontPath, $MarkSign=”) {
$this->sourcePath = $sourcePath;
$this->galleryPath = $galleryPath;
$this->WaterPos=$WaterPos;
$this->fontName = $fontPath . “allegro0.TTF”;
$this->MarkSign = $MarkSign;
}

function waterMark($sourFile, $text=’Mark’) {
$imageInfo = $this->getInfo($sourFile);
$sourFile = $this->sourcePath . $sourFile;
$newName = substr($imageInfo["name"], 0, strrpos($imageInfo["name"], “.”)) . “_mark.jpg”;
switch ($imageInfo["type"]) {
case 1: $img = imagecreatefromgif($sourFile); break;
case 2: $img = imagecreatefromjpeg($sourFile); break;
case 3: $img = imagecreatefrompng($sourFile); break;
default: return 0; break;
}
if (!$img) return 0;
$width = ($this->maxWidth > $imageInfo["width"]) ? $imageInfo["width"] : $this->maxWidth;
$height = ($this->maxHeight > $imageInfo["height"]) ? $imageInfo["height"] : $this->maxHeight;
$srcW = $imageInfo["width"];
$srcH = $imageInfo["height"];
if ($srcW * $width > $srcH * $height) $height = round($srcH * $width / $srcW);
else $width = round($srcW * $height / $srcH);
if (function_exists(“imagecreatetruecolor”)) {
$new = imagecreatetruecolor($width, $height);
ImageCopyResampled($new, $img, 0, 0, 0, 0, $width, $height, $imageInfo["width"], $imageInfo["height"]);
} else {
$new = imagecreate($width, $height);
ImageCopyResized($new, $img, 0, 0, 0, 0, $width, $height, $imageInfo["width"], $imageInfo["height"]);
}
$white = imageColorAllocate($new, 255, 255, 255);
$black = imageColorAllocate($new, 0, 0, 0);
$red = imageColorAllocate($new, 255, 0, 0);
$gray = imageColorAllocate($new, 161, 161, 161);

if($this->MarkSign<>”){
$MarkInfo = $this->getInfo($this->MarkSign);
$widthm = $MarkInfo["width"];
$heightm = $MarkInfo["height"];
switch ($MarkInfo["type"]) {
case 1: $mark = imagecreatefromgif($this->MarkSign); break;
case 2: $mark = imagecreatefromjpeg($this->MarkSign); break;
case 3: $mark = imagecreatefrompng($this->MarkSign); break;
default: return 0; break;
}
$w = $widthm;
$h = $heightm;
}else{
$fontsize = $width>300?20:10;
$temp = imagettfbbox($fontsize, 0, $this->fontName, $text);
$w = $temp[2] – $temp[6];
$h = $temp[3] – $temp[7];
unset($temp);
}

switch($this->WaterPos) {
case 0://随机
$posX = rand(0,($width – $w));
$posY = rand($h,($height – $h));
break;
case 1://1为顶端居左
$posX = 0;
$posY = 0;
break;
case 2://2为顶端居中
$posX = ($width – $w) / 2;
$posY = 0;
break;
case 3://3为顶端居右
$posX = $width – $w;
$posY = $h;
break;
case 4://4为中部居左
$posX = 0;
$posY = ($height – $h) / 2;
break;
case 5://5为中部居中
$posX = ($width – $w) / 2;
$posY = ($height – $h) / 2;
break;
case 6://6为中部居右
$posX = $width – $w;
$posY = ($height – $h) / 2;
break;
case 7://7为底端居左
$posX = 0;
$posY = $height – $h;
break;
case 8://8为底端居中
$posX = ($width – $w) / 2;
$posY = $height – $h;
break;
case 9://9为底端居右
$posX = $width – $w-5;
$posY = $height – $h-5;
break;
default://随机
$posX = rand(0, ($width – $w));
$posY = rand($h, ($height – $h));
break;
}

if($this->MarkSign<>”){
imagecopy($new, $mark, $posX, $posY, 0, 0, $widthm, $heightm);
imagedestroy($mark);
}else{
$alpha = imageColorAllocateAlpha($new, 200, 200, 200, 70);
ImageFilledRectangle($new, 0, $posY-$h, $width, $posY+5, $alpha);
// ImageFilledRectangle($new, 13, $height-20, 15, $height-7, $black);
ImageTTFText($new, $fontsize, 0, $posX, $posY, $black, $this->fontName, $text);
}
if ($this->toFile) {
if (file_exists($this->galleryPath . $newName)) unlink($this->galleryPath . $newName);
ImageJPEG($new, $this->galleryPath . $newName);
return $this->galleryPath . $newName;
} else {
ImageJPEG($new,$sourFile);
}
ImageDestroy($new);
ImageDestroy($img);
}

function getInfo($file) {
$file = $this->sourcePath . $file;
$data = getimagesize($file);
$imageInfo["width"] = $data[0];
$imageInfo["height"]= $data[1];
$imageInfo["type"] = $data[2];
$imageInfo["name"] = basename($file);
return $imageInfo;
}

}

$mark=new GDMark(”, ”, 9, ”, ‘./watermark.png’);

$mark->waterMark(“2.jpg”);

echo ““;

?>

]]> http://code.9enjoy.com/php/watermark/feed/ 0 php水印加强版http://code.9enjoy.com/php/php%e6%b0%b4%e5%8d%b0%e5%8a%a0%e5%bc%ba%e7%89%88/ http://code.9enjoy.com/php/php%e6%b0%b4%e5%8d%b0%e5%8a%a0%e5%bc%ba%e7%89%88/#comments Wed, 16 Jul 2008 15:47:55 +0000 enjoy http://code.itlearner.com/?p=46 /*
* 功能：PHP图片水印 (水印支持图片或文字)
* 参数：
* $groundImage 背景图片，即需要加水印的图片，暂只支持GIF,JPG,PNG格式；
* $waterPos 水印位置，有10种状态，0为随机位置；
* 1为顶端居左，2为顶端居中，3为顶端居右；
* 4为中部居左，5为中部居中，6为中部居右；
* 7为底端居左，8为底端居中，9为底端居右；
... ]]> /*
* 功能：PHP图片水印 (水印支持图片或文字)
* 参数：
* $groundImage 背景图片，即需要加水印的图片，暂只支持GIF,JPG,PNG格式；
* $waterPos 水印位置，有10种状态，0为随机位置；
* 1为顶端居左，2为顶端居中，3为顶端居右；
* 4为中部居左，5为中部居中，6为中部居右；
* 7为底端居左，8为底端居中，9为底端居右；
* $waterImage 图片水印，即作为水印的图片，暂只支持GIF,JPG,PNG格式；
* $waterText 文字水印，即把文字作为为水印，支持ASCII码，不支持中文；
* $textFont 文字大小，值为1、2、3、4或5，默认为5；
* $textColor 文字颜色，值为十六进制颜色值，默认为#FF0000(红色)；
*
* 注意：Support GD 2.0，Support FreeType、GIF Read、GIF Create、JPG 、PNG
* $waterImage 和 $waterText 最好不要同时使用，选其中之一即可，优先使用 $waterImage。
* 当$waterImage有效时，参数$waterString、$stringFont、$stringColor均不生效。
* 加水印后的图片的文件名和 $groundImage 一样。
* 作者：longware
*/
function imageWaterMark($groundImage,$waterPos=9,$waterImage=”",$waterText=”",$textFont=5,$textColor=”#FF0000″)
{
$isWaterImage = FALSE;
$formatMsg = “暂不支持该文件格式，请用图片处理软件将图片转换为GIF、JPG、PNG格式。”;
//读取水印文件
if(!empty($waterImage) && file_exists($waterImage))
{
$isWaterImage = TRUE;
$water_info = getimagesize($waterImage);
$water_w = $water_info[0];//取得水印图片的宽
$water_h = $water_info[1];//取得水印图片的高
switch($water_info[2])//取得水印图片的格式
{
case 1:$water_im = imagecreatefromgif($waterImage);break;
case 2:$water_im = imagecreatefromjpeg($waterImage);break;
case 3:$water_im = imagecreatefrompng($waterImage);break;
default:die($formatMsg);
}
}
//读取背景图片
if(!empty($groundImage) && file_exists($groundImage))
{
$ground_info = getimagesize($groundImage);
$ground_w = $ground_info[0];//取得背景图片的宽
$ground_h = $ground_info[1];//取得背景图片的高
switch($ground_info[2])//取得背景图片的格式
{
case 1:$ground_im = imagecreatefromgif($groundImage);break;
case 2:$ground_im = imagecreatefromjpeg($groundImage);break;
case 3:$ground_im = imagecreatefrompng($groundImage);break;
default:die($formatMsg);
}
}
else
{
die(“需要加水印的图片不存在！”);
}
//水印位置
if($isWaterImage)//图片水印
{
$w = $water_w;
$h = $water_h;
$label = “图片的”;
}
else//文字水印
{
$temp = imagettfbbox(ceil($textFont*2.5),0,”simfang.ttf”,$waterText);//取得使用 TrueType 字体的文本的范围
$w = $temp[2] – $temp[6];
$h = $temp[3] – $temp[7];
unset($temp);
$label = “文字区域”;
}
if( ($ground_w<$w) || ($ground_h<$h) )
{
echo “需要加水印的图片的长度或宽度比水印”.$label.”还小，无法生成水印！”;
return;
}
switch($waterPos)
{
case 0://随机
$posX = rand(0,($ground_w – $w));
$posY = rand(0,($ground_h – $h));
break;
case 1://1为顶端居左
$posX = 0;
$posY = 0;
break;
case 2://2为顶端居中
$posX = ($ground_w – $w) / 2;
$posY = 0;
break;
case 3://3为顶端居右
$posX = $ground_w – $w;
$posY = 0;
break;
case 4://4为中部居左
$posX = 0;
$posY = ($ground_h – $h) / 2;
break;
case 5://5为中部居中
$posX = ($ground_w – $w) / 2;
$posY = ($ground_h – $h) / 2;
break;
case 6://6为中部居右
$posX = $ground_w – $w;
$posY = ($ground_h – $h) / 2;
break;
case 7://7为底端居左
$posX = 0;
$posY = $ground_h – $h;
break;
case 8://8为底端居中
$posX = ($ground_w – $w) / 2;
$posY = $ground_h – $h;
break;
case 9://9为底端居右
$posX = $ground_w – $w;
$posY = $ground_h – $h;
break;
default://随机
$posX = rand(0,($ground_w – $w));
$posY = rand(0,($ground_h – $h));
break;
}
//设定图像的混色模式
imagealphablending($ground_im, true);
if($isWaterImage)//图片水印
{
imagecopy($ground_im, $water_im, $posX, $posY, 0, 0, $water_w,$water_h);//拷贝水印到目标文件
}
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(“水印文字颜色格式不正确！”);
}
//$waterText=iconv(‘utf-8′,’gbk’,$waterText);
imagestring ( $ground_im, $textFont, $posX, $posY, $waterText, imagecolorallocate($ground_im, $R, $G, $B));
}
//生成水印后的图片
@unlink($groundImage);
switch($ground_info[2])//取得背景图片的格式
{
case 1:imagegif($ground_im,$groundImage);break;
case 2:imagejpeg($ground_im,$groundImage);break;
case 3:imagepng($ground_im,$groundImage);break;
default:die($errorMsg);
}
//释放内存
if(isset($water_info)) unset($water_info);
if(isset($water_im)) imagedestroy($water_im);
unset($ground_info);
imagedestroy($ground_im);
}

//—————————————————————————————
if(isset($_FILES) && !empty($_FILES['userfile']) && $_FILES['userfile']['size']>0)
{
$uploadfile = “./”.time().”_”.$_FILES['userfile']['name'];
if (copy($_FILES['userfile']['tmp_name'], $uploadfile))
{
echo “OK
“;
//文字水印
imageWaterMark($uploadfile,9,”Noname.gif”,”www.nj-kingsway.com “,5,”#FF0000″);
//图片水印
//$waterImage=”./Hanweb_shuiyin.gif”;//水印图片路径
//imageWaterMark($uploadfile,0,$waterImage);
echo ““;
}
else
{
echo “Fail
“;
}
}
?>

文件:



]]> http://code.9enjoy.com/php/php%e6%b0%b4%e5%8d%b0%e5%8a%a0%e5%bc%ba%e7%89%88/feed/ 0