<?php
/**
* 图片水印类
*
* Copyright PhpUp Studio, http://phpup.com, iasky
*
* $Id: PhpUpImageWater.php,v 1.00 2006/4/19/ 21:00:57 iasky Exp $
*/
class PhpUpImageWater
{
var $groundImage;
var $groundImageWidth;
var $groundImageHeight;
var $groundImageHandle;
var $waterType;
var $waterPosType;
var $waterPosX;
var $waterPosY;
var $waterWidth;
var $waterHeight;
var $waterImage;
var $waterImageType;
var $waterImageHandle;
var $waterImageAlpha;
var $waterText;
var $waterTextColor;
var $waterTextSize;
var $waterTextFont;
var $errorMsg;
function PhpUpImageWater($groundImage = "1.jpg", $waterPosType = 0)
{
if(false == file_exists($groundImage))
{
$this->throwError("groundImage404");
}
$this->checkGD();
$this->groundImage = &$groundImage;
$this->waterType = &$waterType;
$this->waterPosType = &$waterPosType;
$this->setGroundImageInfo();
}
function checkGD()
{
if(false == function_exists("gd_info"))
{
$this->throwError("NonGD");
}
}
function setGroundImageInfo()
{
$groundImageType = getimagesize($this->groundImage);
$this->groundImageWidth = $groundImageType[0];
$this->groundImageHeight = $groundImageType[1];
$this->groundImageType = $groundImageType[2];
if($this->groundImageWidth < 150 or $this->groundImageHeight < 150)
{
$this->throwError("TooSmall");
}
}
function setWaterTextInfo($waterText = "QQBYE.com",$waterTextColor = "#000000", $waterTextSize = "5", $waterTextFont = "../FZJLJT.FON")
{
$this->waterType = 0;
if(strlen($waterTextColor) == 7)
{
$this->waterTextColor = &$waterTextColor;
}
else
{
$this->throwError("WrongColor");
}
$this->waterText = &$waterText;
$this->waterTextSize = &$waterTextSize;
$this->waterTextFont = &$waterTextFont;
$waterTextInfo = imagettfbbox(ceil($this->waterTextSize*1.2), 0, $this->waterTextFont, $this->waterText);
$this->waterWidth = $waterTextInfo[4] - $waterTextInfo[6];
$this->waterHeight = $waterTextInfo[1] - $waterTextInfo[7];
unset($waterTextInfo);
}
function setWaterImageInfo($waterImage = "logo.gif")
{
if(file_exists($waterImage))
{
$this->waterType = 1;
$this->waterImage = &$waterImage;
$waterImageInfo = getimagesize($this->waterImage);
$this->waterWidth = $waterImageInfo[0];
$this->waterHeight = $waterImageInfo[1];
$this->waterImageType = $waterImageInfo[2];
unset($waterImageInfo);
}
else
{
$this->throwError("waterImage404");
}
}
function setWaterPos()
{
switch($this->waterPosType)
{
case 0://随机
$this->waterPosX = rand(0,($this->groundImageWidth - $this->waterWidth));
$this->waterPosY = rand(0,($this->groundImageHeight - $this->waterHeight));
break;
case 1://1为顶端居左
$this->waterPosX = 0;
$this->waterPosY = 0;
break;
case 2://2为顶端居中
$this->waterPosX = ($this->groundImageWidth - $this->waterWidth) / 2;
$this->waterPosY = 0;
break;
case 3://3为顶端居右
$this->waterPosX = $this->groundImageWidth - $this->waterWidth;
$this->waterPosY = 0;
break;
case 4://4为中部居左
$this->waterPosX = 0;
$this->waterPosY = ($this->groundImageHeight - $this->waterHeight) / 2;
break;
case 5://5为中部居中
$this->waterPosX = ($this->groundImageWidth - $this->waterWidth) / 2;
$this->waterPosY = ($this->groundImageHeight - $this->waterHeight) / 2;
break;
case 6://6为中部居右
$this->waterPosX = $this->groundImageWidth - $this->waterWidth;
$this->waterPosY = ($this->groundImageHeight - $this->waterHeight) / 2;
break;
case 7://7为底端居左
$this->waterPosX = 0;
$this->waterPosY = $this->groundImageHeight - $this->waterHeight * rand(115,125) / 100;
break;
case 8://8为底端居中
$this->waterPosX = ($this->groundImageWidth - $this->waterWidth) / 2;
$this->waterPosY = $this->groundImageHeight - $this->waterHeight * rand(115,125) / 100;
break;
case 9://9为底端居右
$this->waterPosX = $this->groundImageWidth - $this->waterWidth;
$this->waterPosY = $this->groundImageHeight - $this->waterHeight * rand(115,120) / 100;
break;
default://随机
$this->waterPosX = rand(0,($this->groundImageWidth - $this->waterWidth));
$this->waterPosY = rand(0,($this->groundImageHeight - $this->waterHeight));
}
}
function setGroundImageHandle()
{
switch($this->groundImageType)
{
case 1:
$this->groundImageHandle = imagecreatefromgif($this->groundImage);
break;
case 2:
$this->groundImageHandle = imagecreatefromjpeg($this->groundImage);
break;
case 3:
$this->groundImageHandle = imagecreatefrompng($this->groundImage);
break;
default:
$this->throwError("NonType");
}
}
function setWaterImageHandle()
{
switch($this->waterImageType)
{
case 1:
$this->waterImageHandle = imagecreatefromgif($this->waterImage);
break;
case 2:
$this->waterImageHandle = imagecreatefromjpeg($this->waterImage);
break;
case 3:
$this->waterImageHandle = imagecreatefrompng($this->waterImage);
break;
default:
$this->throwError("NonType");
}
}
function putWateredImage($extFileName)
{
switch($this->groundImageType)
{
case 1:
imagegif($this->groundImageHandle, $extFileName.$this->groundImage);
break;
case 2:
imagejpeg($this->groundImageHandle, $extFileName.$this->groundImage);
break;
case 3:
imagepng($this->groundImageHandle, $extFileName.$this->groundImage);
break;
default:
$this->throwError("NonType");
}
}
function destroyHandle()
{
imagedestroy($this->groundImageHandle);
if(isset($this->waterImageHandle))
{
imagedestroy($this->waterImageHandle);
}
}
function makeWater($extFileName = "")
{
$this->setGroundImageHandle();
$this->setWaterPos();
imagealphablending($this->groundImageHandle, true);
if($this->waterType == 0)
{
imagettftext($this->groundImageHandle, $this->waterTextSize, 0, $this->waterPosX, $this->waterHeight + $this->waterPosY, imagecolorallocate($this->groundImageHandle, hexdec(substr($this->waterTextColor,1,2)), hexdec(substr($this->waterTextColor,3,2)), hexdec(substr($this->waterTextColor,5,2))), $this->waterTextFont, $this->waterText);
}
else
{
$this->setWaterImageHandle();
imagecopy($this->groundImageHandle,$this->waterImageHandle , $this->waterPosX, $this->waterPosY, 0, 0, $this->waterWidth,$this->waterHeight);
}
//@unlink($this->groundImage);
$this->putWateredImage($extFileName);
$this->destroyHandle();
}
function throwError($errType)
{
switch($errType)
{
case "TooSmall":
$this->errorMsg = "要打水印图片太小";
break;
case "groundImage404":
$this->errorMsg = "要打水印图片不存在";
break;
case "waterImage404":
$th
?>
上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] ... 下一页 >>
|
您现在的位置： 
