| <?php
/*
* Features: PHP image watermark (watermark support picture or text)
* Parameters:
* $groundImage background image, that is, the need to add a watermark picture, temporarily support gif,jpg,png format;
* $waterPos watermark position, there are 10 kinds of states, 0 is random position;
* 1 for the top left, 2 for the top center, 3 for the top right;
* 4 for the middle of the left, 5 for the Middle center, 6 for the middle of the right;
* 7 to the bottom of the left, 8 for the bottom center, 9 for the bottom right;
* $waterImage image watermark, that is, as a watermark picture, only support gif,jpg,png format;
* $waterText text watermark, which is the text as a watermark, support ASCII code, does not support Chinese;
* $textFont text size, value is 1, 2, 3, 4 or 5, default to 5;
* $textColor text color, value is hexadecimal color value, default is #ff0000 (red);
*
* Note: Support GD 2.0,support FreeType, GIF Read , GIF Create, JPG, PNG
* $waterImage and $waterText best not to use at the same time, choose one of them, priority to use $waterImage.
* When the $waterimage is valid, the parameters $waterstring, $stringFont, $stringColor do not take effect.
* The file name of the picture after the watermark is the same as the $groundImage.
* Author: longware @ 2004-11-3 14:15:13
/
Function Imagewatermark ($groundImage, $waterPos =0, $waterImage = "", $ Watertext= "", $textFont =5, $textColor = "#FF0000 ″)
{
$isWaterImage = FALSE;
$FORMATMSG = "Temporarily does not support this file format, please use the picture processing software to convert the picture to GIF, JPG, PNG format." "; Read Watermark File
if (!emptyempty ($waterImage) && file_exists ($waterImage))
{
$isWaterImage = TRUE;
$water _info = getimagesize ($waterImage);
$water _w = $water _info[0];//Gets the width of the watermark picture
$water _h = $water _info[1];//Gets the high watermark picture Switch ($water _info[2])//Get the format of the watermark picture
{
Case 1: $water _im = Imagecreatefromgif ($waterImage);
Case 2: $water _im = Imagecreatefromjpeg ($waterImage);
Case 3: $water _im = Imagecreatefrompng ($waterImage);
Default:die ($FORMATMSG);
}
} Reading background pictures
if (!emptyempty ($groundImage) && file_exists ($groundImage))
{
$ground _info = getimagesize ($groundImage);
$ground _w = $ground _info[0];//Gets the width of the background picture
$ground _h = $ground _info[1];//get a high background picture Switch ($ground _info[2])//Get the format of the background picture
{
Case 1: $ground _im = Imagecreatefromgif ($groundImage);
Case 2: $ground _im = Imagecreatefromjpeg ($groundImage);
Case 3: $ground _im = Imagecreatefrompng ($groundImage);
Default:die ($FORMATMSG);
}
}
Else
{
Die ("Need to watermark the picture does not exist!") ”);
} Watermark Location
if ($isWaterImage)//Picture watermark
{
$w = $water _w;
$h = $water _h;
$label = "Picture";
}
else//text watermark
{
$temp = Imagettfbbox (ceil ($textFont *5), 0, "./cour.ttf", $waterText);//Get a range of text that uses TrueType fonts
$w = $temp [2]-$temp [6];
$h = $temp [3]-$temp [7];
Unset ($temp);
$label = "Text Area";
}
if (($ground _w< $w) | | ($ground _h< $h))
{
echo "The length or width of the picture you want to watermark is more than the watermark". $label. " Still small, unable to generate watermark! ”;
Return
}
Switch ($waterPos)
{
Case 0://Random
$posX = rand (0, ($ground _w-$w));
$posY = rand (0, ($ground _h-$h));
Break
Case 1://1 for top left
$posX = 0;
$posY = 0;
Break
Case 2://2 for top center
$posX = ($ground _w-$w)/2;
$posY = 0;
Break
Case 3://3 for top right
$posX = $ground _w-$w;
$posY = 0;
Break
Case 4://4 for Central left
$posX = 0;
$posY = ($ground _h-$h)/2;
Break
Case 5://5 centered in middle
$posX = ($ground _w-$w)/2;
$posY = ($ground _h-$h)/2;
Break
Case 6://6 for Middle right
$posX = $ground _w-$w;
$posY = ($ground _h-$h)/2;
Break
Case 7://7 to bottom left
$posX = 0;
$posY = $ground _h-$h;
Break
Case 8://8 centered at bottom
$posX = ($ground _w-$w)/2;
$posY = $ground _h-$h;
Break
Case 9://9 to bottom right
$posX = $ground _w-$w;
$posY = $ground _h-$h;
Break
default://Random
$posX = rand (0, ($ground _w-$w));
$posY = rand (0, ($ground _h-$h));
Break
} Set the blending mode of the image
Imagealphablending ($ground _im, true); if ($isWaterImage)//Picture watermark
{
Imagecopy ($ground _im, $water _im, $posX, $posY, 0, 0, $water _w, $water _h);//copy watermark to destination file
}
else//text watermark
{
if (!emptyempty ($textColor) && (strlen ($textColor) ==7))
{
$R = Hexdec (substr ($textColor, 1,2));
$G = Hexdec (substr ($textColor, 3,2));
$B = Hexdec (substr ($textColor, 5));
}
Else
{
Die ("Watermark text color format is not correct!") ”);
}
Imagestring ($ground _im, $textFont, $posX, $posY, $waterText, Imagecolorallocate ($ground _im, $R, $G, $B));
} Picture after Watermark is generated
@unlink ($groundImage);
Switch ($ground _info[2])//Get the format of the background picture
{
Case 1:imagegif ($ground _im, $groundImage);
Case 2:imagejpeg ($ground _im, $groundImage);
Case 3:imagepng ($ground _im, $groundImage);
Default:die ($ERRORMSG);
} Free memory
if (Isset ($water _info)) unset ($water _info);
if (Isset ($water _im)) Imagedestroy ($water _im);
unset ($ground _info);
Imagedestroy ($ground _im);
}
—————————————————————————————
$id =$_request[' id '];
$num = count ($_files[' userfile '] [' name ']);
Print_r ($_files[' userfile '));
Print_r ($_files[' userfile '] [' name ']); Echo $num;
echo "<bR>";
if (Isset ($id)) {
for ($i =0; $i < $id; $i + +) { if (Isset ($_files) &&!emptyempty ($_files[' userfile ']) && $_files[' userfile ' [' Size ']>0)
{
$uploadfile = "./". Time (). " _ ". $_files[' UserFile '][name][$i];
echo "<br>";
Echo $uploadfile;
if (copy ($_files[' userfile '] [' tmp_name '] [$i], $uploadfile))
{
echo "Ok<br>"; Text watermark
Imagewatermark ($uploadfile, 5, "" "," HTTP://www.lvye.info ", 5," #cccccc "); Picture watermark
$waterImage = "logo_ok1.gif";//Watermark Picture Path
Imagewatermark ($uploadfile, 9, $waterImage); echo "}
Else
{
echo "Fail<br>";
}
}
}
} ?>
<form enctype= "Multipart/form-data" method= "POST" >
<?php
for ($a =0; $a < $id; $a + +) {
echo "File: <input name=" userfile[] "type=" file "><br>"; }
?>
<input type= "Submit" value= "Upload" >
</form> |
