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Posted By

luman on 09/21/08


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watermark


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Watermark

Published in: PHP 

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  1. function watermark($imagesource){
  2. 	$filetype = substr($imagesource,strlen($imagesource)-4,4); 
  3. 	$filetype = strtolower($filetype); 
  4. 	if($filetype == ".gif")  $image = @imagecreatefromgif($imagesource);  
  5. 	if($filetype == ".jpg")  $image = @imagecreatefromjpeg($imagesource);  
  6. 	if($filetype == ".png")  $image = @imagecreatefrompng($imagesource);  
  7. 	if (!$image) die(); 
  8. 	$watermark = @imagecreatefrompng('../images/watermark.png'); 
  9. 	$imagewidth = imageSX($image); 
  10. 	$imageheight = imageSY($image);  
  11. 	$watermarkwidth =  imageSX($watermark); 
  12. 	$watermarkheight =  imageSY($watermark); 
  13. 	$startwidth = $imagewidth - $watermarkwidth - 5;  
  14. 	$startheight = $imageheight - $watermarkheight - 5;
  15. 	imagecopy($image, $watermark,  $startwidth, $startheight, 0, 0, $watermarkwidth, $watermarkheight); 
  16. 	imagejpeg($image,$imagesource);
  17. 	imagedestroy($image); 
  18. 	imagedestroy($watermark);
  19. }

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