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The script is used for image compression such as photo gallery and the script automatically compress the image base on the given dimension. it will automatically calculate the landscape image or portrait image. This script is very much useful to those who doesn't want to use other image procession application
| <?php
/*
Owner Name: Suraj Thapaliya
Email: surajthapaliya at gmail.com
The script is used for image compression such as photo gallery and the script automatically compress the image base on the given dimension. it will automatically calculate the landscape image or portrait image
before use this code you must have to enable your gd library
If this script is useful to anyone please send me the mail
*/
$imgfile="photo/myson.jpg"; // The Source of your image file
function imageCompression($imgfile="",$thumbsize=0,$savePath=NULL) {
if($savePath==NULL) {
header('Content-type: image/jpeg');
/* To display the image in browser
*/
}
list($width,$height)=getimagesize($imgfile);
/* The width and the height of the image also the getimagesize retrieve other information as well */
echo $width;
echo $height;
$imgratio=$width/$height;
/*
To compress the image we will calculate the ration
For eg. if the image width=700 and the height = 921 then the ration is 0.77...
if means the image must be compression from its height and the width is based on its height
so the newheight = thumbsize and the newwidth is thumbsize*0.77...
*/
if($imgratio>1) {
$newwidth=$thumbsize;
$newheight=$thumbsize/$imgratio;
} else {
$newheight=$thumbsize;
$newwidth=$thumbsize*$imgratio;
}
$thumb=imagecreatetruecolor($newwidth,$newheight); // Making a new true color image
$source=imagecreatefromjpeg($imgfile); // Now it will create a new image from the source
imagecopyresampled($thumb,$source,0,0,0,0,$newwidth,$newheight,$width,$height); // Copy and resize the image
imagejpeg($thumb,$savePath,100);
/*
Out put of image
if the $savePath is null then it will display the image in the browser
*/
imagedestroy($thumb);
/*
Destroy the image
*/
}
imageCompression($imgfile,150,"a.jpg");
?> | |
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