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Posted By

iTony on 10/03/08


Tagged

php image function thumbnail GD2


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Create a thumbnail function

 / Published in: PHP
 

URL: http://davidwalsh.name/create-image-thumbnail-php

it needs the GD2 library

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  1. function make_thumb($src,$dest,$desired_width)
  2. {
  3.  
  4. 	/* read the source image */
  5. 	$source_image = imagecreatefromjpeg($src);
  6. 	$width = imagesx($source_image);
  7. 	$height = imagesy($source_image);
  8.  
  9. 	/* find the "desired height" of this thumbnail, relative to the desired width  */
  10. 	$desired_height = floor($height*($desired_width/$width));
  11.  
  12. 	/* create a new, "virtual" image */
  13. 	$virtual_image = imagecreatetruecolor($desired_width,$desired_height);
  14.  
  15. 	/* copy source image at a resized size */
  16. 	imagecopyresized($virtual_image,$source_image,0,0,0,0,$desired_width,$desired_height,$width,$height);
  17.  
  18. 	/* create the physical thumbnail image to its destination */
  19. 	imagejpeg($virtual_image,$dest, 83);
  20. }

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Posted By: Bluaj on November 13, 2009

imagecopyresized() result isn't good. Image is sharped and ugly. Try with imagecopyresampled(). Result is better than imagecopyresized()

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