Wattermark in a images ?

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[geminis]

Hi i use a single code of php for put wattermark in my other sites, and i tryng to add it to a SAZ-CART.
The code is single but a little confused for me, any body can help me ? I am not really sure about wath scritp is the "post" image upload.
I asumed that admin/image-manager.php  is the post, and the form is admin/alayouts/pagtes/image-manager.php is the "form" but is a little confuse for me.
Regards.

here is the code:
<?php  

header('content-type: image/jpeg');  

$watermark = imagecreatefrompng('watermark.png');  
$watermark_width = imagesx($watermark);  
$watermark_height = imagesy($watermark);  
$image = imagecreatetruecolor($watermark_width, $watermark_height);  
$image = imagecreatefromjpeg($_GET['src']);  
$size = getimagesize($_GET['src']);  
$dest_x = $size[0] - $watermark_width - 5;  
$dest_y = $size[1] - $watermark_height - 5;  
imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, 100);  
imagejpeg($image);  
imagedestroy($image);  
imagedestroy($watermark);  

?>

PD: By the way, i am spanish speaker, sory for my bad english, if any spanish guy want to work with me on this feature is welcome to contact me.
Regards.

[geminis]

ok, IS DONE ...! wass very simply in fact.

file: layout/default/pages/details.php

find:
<center><img src="<?print $_saz['settings']['site_url'] . $image;?>" alt="<?print $prod_details['prod_title'];?>" border="0" /></center>
Reemplace by:
<center><img src="watermark.php?i=<?print $_saz['settings']['site_url'] . $image;?>" alt="<?print $prod_details['prod_title'];?>" border="0" /></center>

Find:
<center><a href="<?print $_saz['settings']['site_url'] . $fullimage;?>" target="_blank"><?print $_saz['words']['enlarge'];?></a></center>
Reemplace by:
<center><a href="<?print $_saz['settings']['site_url']?>watermark.php?i=<? print $_saz['settings']['site_url'] . $fullimage;?>" target="_blank"><?print $_saz['words']['enlarge'];?></a></center>

Add the file watermark.php in root dir
<?php 

$image = $_GET['i']; 
$watermark = "water.png"; 

$im = imagecreatefrompng($watermark); 

$ext = substr($image, -3); 


if(strtolower($ext) == "gif") { 
if (!$im2 = imagecreatefromgif($image)) { 
echo "Error opening $image!"; exit; 
} 
} else if(strtolower($ext) == "jpg") { 
if (!$im2 = imagecreatefromjpeg($image)) { 
echo "Error opening $image!"; exit; 
} 
} else if(strtolower($ext) == "png") { 
if (!$im2 = imagecreatefrompng($image)) { 
echo "Error opening $image!"; exit; 
} 
} else { 
die; 
} 

imagecopy($im2, $im, (imagesx($im2)/2)-(imagesx($im)/2), (imagesy($im2)/2)-(imagesy($im)/2), 0, 0, imagesx($im), imagesy($im)); 

if($_GET[repeat]) { 
$waterless = imagesx($im2) - imagesx($im); 
$rest = ceil($waterless/imagesx($im)/2); 

for($n=1; $n<=$rest; $n++) { 
imagecopy($im2, $im, ((imagesx($im2)/2)-(imagesx($im)/2))-(imagesx($im)*$n), (imagesy($im2)/2)-(imagesy($im)/2), 0, 0, imagesx($im), imagesy($im)); 
imagecopy($im2, $im, ((imagesx($im2)/2)-(imagesx($im)/2))+(imagesx($im)*$n), (imagesy($im2)/2)-(imagesy($im)/2), 0, 0, imagesx($im), imagesy($im)); 
} 
} 

header("Content-Type: image/jpeg"); 
imagejpeg($im2); 
imagedestroy($im); 
imagedestroy($im2); 

?>

and finaly put a file water.png in root dir.
Thats all.

Regards.

[saztar]

good deal, thanks for the post, hope it helps a few others looking to do the same.

Tony~!

[geminis]

good deal, thanks for the post, hope it helps a few others looking to do the same.

Tony~!

No problem tony, any time. In first I was afraid that the script was violating the rules of the place. I`m glad to this little contribution help some body.
Regards.

[saztar]

I personally have no problem and really encourage community support and additions.

[geminis]

ok, i glad to hear you ... i have many littles addes like thats, for ex. rotate banners in header, random scroll images down the menu, etc ... if you want, with time, i put all here.
See you.