note 120217 added to ref.image
| From: | delabahan at gmail dot com | Date: | Thu, 24 Nov 2016 05:44:17 +0000 |
| Subject: | note 120217 added to ref.image | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-207544@lists.php.net to get a copy of this message | ||
This is an example of get high resolution images.
<?php
/**
* Class name : resizeImage
* Created by : wang
* Description : This class is to resize the image from original size to new size
*/
class resizeImage
{
/**
* Function name : resize_img
* Description : This function is to resize image
* @param : $origimg variable is the original image
* @param : $newimg variable is the new image
* @param : $w variable is the width of image
* @param : $f variable is the height of image
*/
public function resize_img($origimg,$newimg,$w,$h){
$info = getimagesize($origimg);
$mime = $info['mime'];
// Make sure that the requested file is actually an image
if(substr($mime, 0, 6) != 'image/')
{
header('HTTP/1.1 400 Bad Request');
return 'Error: requested file is not an accepted type: ' .$origimg;
exit();
}
// Check they extention of image
$extension = image_type_to_extension($info[2]);
if(strtolower($extension) == '.png'){
$img = $this->resize_imagepng($origimg,$w, $h);
imagepng($img,$newimg);
imagedestroy($img);
}elseif(strtolower($extension) == '.jpeg'){
$img = $this->resize_imagejpeg($origimg, $w, $h);
imagejpeg($img, $newimg);
imagedestroy($img);
}elseif(strtolower($extension == '.gif')){
$img = $this->resize_imagegif($origimg, $w, $h);
imagegif($img,$newimg);
imagedestroy($img);
}
}
/**
* End function name : resize_img
*/
/**
* Function name : resize_imagepng
* Description : This function is to resize png image
* @param : $file variable is the original image
* @param : $w variable is the width of image
* @param : $f variable is the height of image
*/
private function resize_imagepng($file, $w, $h) {
list($width, $height) = getimagesize($file);
$src = imagecreatefrompng($file);
$dst = imagecreatetruecolor($w, $h);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $w, $h, $width, $height);
return $dst;
}
/**
* End function name : resize_imagepng
*/
/**
* Function name : resize_imagejpeg
* Description : This function is to resize jpeg image
* @param : $file variable is the original image
* @param : $w variable is the width of image
* @param : $f variable is the height of image
*/
private function resize_imagejpeg($file, $w, $h) {
list($width, $height) = getimagesize($file);
$src = imagecreatefromjpeg($file);
$dst = imagecreatetruecolor($w, $h);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $w, $h, $width, $height);
return $dst;
}
/**
* End function name : resize_imagejpeg
*/
/**
* Function name : resize_imagegif
* Description : This function is to resize gif image
* @param : $file variable is the original image
* @param : $w variable is the width of image
* @param : $f variable is the height of image
*/
private function resize_imagegif($file, $w, $h) {
list($width, $height) = getimagesize($file);
$src = imagecreatefromgif($file);
$dst = imagecreatetruecolor($w, $h);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $w, $h, $width, $height);
return $dst;
}
/**
* End function name : resize_imagegif
*/
}
/**
* End class name : resizeImage
*/
?>
----
Server IP: 72.52.91.14
Probable Submitter: 43.226.7.178
----
Manual Page -- http://php.net/manual/en/ref.image.php
Edit -- https://master.php.net/note/edit/120217
Del: integrated -- https://master.php.net/note/delete/120217/integrated
Del: useless -- https://master.php.net/note/delete/120217/useless
Del: bad code -- https://master.php.net/note/delete/120217/bad+code
Del: spam -- https://master.php.net/note/delete/120217/spam
Del: non-english -- https://master.php.net/note/delete/120217/non-english
Del: in docs -- https://master.php.net/note/delete/120217/in+docs
Del: other reasons-- https://master.php.net/note/delete/120217
Reject -- https://master.php.net/note/reject/120217
Search -- https://master.php.net/manage/user-notes.php