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Right, this is a quick and very easy tutorial on generating a thumbnail from an image, it doesn't do any bluring or sharpening.
public function createThumbnail($imgPath){
$thumbnail = "";
$imgSize = getimagesize($imgPath);
$imgWidth = $imgSize[0];
$imgHeight = $imgSize[1];
$aspect = $imgWidth / $imgHeight;
$newHeight = 120;
$newWidth = $newHeight * $aspect;
$img = imagecreatefromjpeg($imgPath);
$tempImg = imagecreatetruecolor($newWidth,$newHeight);
imagecopyresized($tempImg,
$img ,
0 ,0 ,0 ,0 ,
$newWidth ,
$newHeight ,
$imgWidth ,
$imgHeight);
imagedestroy($img);
$img = $tempImg;
$newFile = "temp" . rand(1, 99999) . ".jpg";
imagejpeg($img,"imageTemp/" . $newFile);
imagedestroy($img);
$thumbnail = "0x" . bin2hex(
file_get_contents(
"imageTemp/" . $newFile)
);
unlink("imageTemp/" . $newFile);
return $thumbnail;
}
Very, very simple. Remember to have the correct PHP libraries installed when using this code. Once the code library is released I am going to release a class library for image manipulation.
Happy thumbnailing. If you feel this tutorial needs more explanation please let me know.
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