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PHP implements image scaling function class_PHP tutorial
- WBOYOriginal
- 2016-07-13 17:18:10637browse
Copy code The code is as follows:
/**
* The Images class is an image processing class
* @package application.controllers
* @since 1.0
*/
class Images
{
/**
* Zoom image
* @param $source original image
* @param $newfile new image
* @param $pre zoom ratio
*/
public function thumn($source,$pre,$newfile)
{
//Get images Size
list($s_w,$s_h)=getimagesize($source);
//Generate new image size
$new_w=$s_w*$pre;
$new_h=$s_h* $pre;
//Create a new image
$new_f=imagecreatetruecolor($new_w, $new_h);
//Create an image with a resource image
$sour_f=imagecreatefromjpeg($source);
/ /Copy the resource image to a new image
imagecopyresampled($new_f, $sour_f, 0, 0, 0, 0, $new_w, $new_h, $s_w, $s_h);
//Output the image to the browser
imagejpeg($new_f,$newfile);
imagedestroy($new_f);
imagedestroy($sour_f);
}
}
?>
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