Version 3.3.4
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<?php
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/**
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* <pre>
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* Invision Power Services
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* IP.Board v3.2.3
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* Image Handler: create thumbnails, apply watermarks and copyright tests, save or display final image
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* Last Updated: $Date: 2011-09-08 11:58:29 -0400 (Thu, 08 Sep 2011) $
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* </pre>
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*
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* @author $Author: mmecham $
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license This is NULLED!
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* @package IP.Board
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* @subpackage Kernel
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* @link http://hatynka.in
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* @since Monday 5th May 2008 14:00
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* @version $Revision: 9467 $
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*
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* GD Example
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* <code>
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* $image = new classImageGd();
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* $image->init( array(
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* 'image_path' => "/path/to/images/",
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* 'image_file' => "image_filename.jpg",
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* ) );
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*
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||||
* if( $image->error )
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* {
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* print $image->error;exit;
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* }
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*
|
||||
* Set max width and height
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* $image->resizeImage( 600, 480 );
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* // Add a watermark
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* $image->addWatermark( "/path/to/watermark/trans.png" );
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* //$image->addCopyrightText( "Hello World!", array( 'color' => '#ffffff', 'font' => 3 ) );
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* $image->displayImage();
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* </code>
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||||
*/
|
||||
|
||||
/**
|
||||
* Bootstrapper
|
||||
* Picks GD or imagemagik
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*/
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class ips_kernel_image
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{
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/**
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* Loads correct class
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* @param string $load
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* @return Ambigous <classImageImagemagick, classImageGd>
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*/
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||||
static public function bootstrap( $load='gd' )
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{
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if ( $load == 'im' )
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||||
{
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require_once( IPS_KERNEL_PATH . 'classImageImagemagick.php' );/*noLibHook*/
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$img = new classImageImagemagick();
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||||
}
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||||
else
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{
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||||
require_once( IPS_KERNEL_PATH . 'classImageGd.php' );/*noLibHook*/
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$img = new classImageGd();
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}
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return $img;
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||||
}
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}
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/**
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* Image interface
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*
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*/
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interface interfaceImage
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{
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/**
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* Initiate image handler, perform any necessary setup
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*
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||||
* @param array Necessary options to init module
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||||
* @return boolean Initiation successful
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||||
*/
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||||
public function init( $opts=array() );
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||||
|
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/**
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* Add a supported image type (assumes you have properly extended the class to add the support)
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*
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||||
* @param string Image extension type to add support for
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* @return boolean Addition successful
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||||
*/
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||||
public function addImagetype( $ext );
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||||
|
||||
/**
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||||
* Resize image proportionately
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*
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||||
* @param integer Maximum width
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||||
* @param integer Maximum height
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||||
* @return array Dimensons of the original image and the resized dimensions
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||||
*/
|
||||
public function resizeImage( $width, $height );
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|
||||
/**
|
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* Write image to file
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*
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||||
* @param string File location (including file name)
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||||
* @return boolean File write successful
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||||
*/
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||||
public function writeImage( $path );
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||||
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||||
/**
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* Print image to screen
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||||
*
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* @return @e void Image printed and script exits
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||||
*/
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public function displayImage();
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|
||||
/**
|
||||
* Add watermark to image
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||||
*
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||||
* @param string Watermark image path
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||||
* @param integer [Optional] Opacity 0-100
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||||
* @return boolean Watermark addition successful
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*/
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||||
public function addWatermark( $path, $opacity=100 );
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/**
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* Add copyright text to image
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*
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* @param string Copyright text to add
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* @param array [Optional] Text options (color, background color, font [1-5])
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* @return boolean Watermark addition successful
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||||
*/
|
||||
public function addCopyrightText( $text, $textOpts=array() );
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||||
|
||||
}
|
||||
|
||||
/**
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||||
* Image abstract class
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||||
*
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||||
*/
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||||
abstract class classImage
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{
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||||
/**
|
||||
* Error encountered
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||||
*
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||||
* @access public
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||||
* @var string Error Message
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||||
*/
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||||
public $error = '';
|
||||
|
||||
/**
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||||
* Image Path
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||||
*
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||||
* @access protected
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* @var string Path to image
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||||
*/
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||||
protected $image_path = '';
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||||
|
||||
/**
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||||
* Image File
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||||
*
|
||||
* @access protected
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* @var string Image file to work with
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||||
*/
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||||
protected $image_file = '';
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||||
|
||||
/**
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||||
* Image path + file
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*
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||||
* @access protected
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* @var string Full image path and filename
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*/
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protected $image_full = '';
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||||
|
||||
/**
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||||
* Image dimensions
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||||
*
|
||||
* @access protected
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||||
* @var array Original Image Dimensions
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||||
*/
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||||
protected $orig_dimensions = array( 'width' => 0, 'height' => 0 );
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||||
|
||||
/**
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||||
* Image current dimensions
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||||
*
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||||
* @access public
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||||
* @var array Curernt/New Image Dimensions
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||||
*/
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||||
public $cur_dimensions = array( 'width' => 0, 'height' => 0 );
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|
||||
/**
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||||
* Image Types Supported
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||||
*
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||||
* @access protected
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||||
* @var array Image types we can work with
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||||
*/
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||||
protected $image_types = array( 'gif', 'jpeg', 'jpg', 'jpe', 'png' );
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||||
|
||||
/**
|
||||
* Extension of image
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||||
*
|
||||
* @access public
|
||||
* @var string Image extension
|
||||
*/
|
||||
public $image_extension = '';
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||||
|
||||
/**
|
||||
* Resize image anyways (e.g. if we have added watermark)
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||||
*
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||||
* @access public
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||||
* @var bool
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||||
*/
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||||
public $force_resize = false;
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||||
|
||||
/**
|
||||
* Image handler constructor
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||||
*
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||||
* @access public
|
||||
* @return boolean Construction successful
|
||||
*/
|
||||
public function __construct()
|
||||
{
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||||
return true;
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||||
}
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||||
|
||||
/**
|
||||
* Image handler desctructor
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||||
*
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||||
* @access public
|
||||
* @return @e void
|
||||
*/
|
||||
public function __destruct()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Cleans up paths, generates var $in_file_complete
|
||||
*
|
||||
* @access protected
|
||||
* @param string Path to clean
|
||||
* @return string Cleaned path
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||||
*/
|
||||
protected function _cleanPaths( $path='' )
|
||||
{
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||||
//---------------------------------------------------------
|
||||
// Remove trailing slash
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||||
//---------------------------------------------------------
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||||
|
||||
return rtrim( $path, '/' );
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a supported image type (assumes you have properly extended the class to add the support)
|
||||
*
|
||||
* @access public
|
||||
* @param string Image extension type to add support for
|
||||
* @return boolean Addition successful
|
||||
*/
|
||||
public function addImagetype( $ext )
|
||||
{
|
||||
//---------------------------------------------------------
|
||||
// Add a supported image extension
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||||
//---------------------------------------------------------
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||||
|
||||
if( !in_array( $ext, $this->image_types ) )
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||||
{
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||||
$this->image_types[] = $ext;
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||||
}
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||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks to see if an uploaded image truly is an image
|
||||
* @param string $imagePath
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||||
* @return mixed (false, is not image, array with data)
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||||
*/
|
||||
public function extractImageData( $imagePath )
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||||
{
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||||
$fileExt = IPSText::getFileExtension( $imagePath );
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||||
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||||
$img_attributes = @getimagesize( $imagePath );
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||||
|
||||
if ( ! is_array( $img_attributes ) or ! count( $img_attributes ) )
|
||||
{
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||||
return false;
|
||||
}
|
||||
else if ( ! $img_attributes[2] )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else if ( $img_attributes[2] == 1 AND ( $fileExt == 'jpg' OR $fileExt == 'jpeg' ) )
|
||||
{
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||||
return false;
|
||||
}
|
||||
|
||||
$return = array( 'width' => $img_attributes[0],
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||||
'height' => $img_attributes[1],
|
||||
'fileType' => '' );
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||||
|
||||
switch( $img_attributes[2] )
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||||
{
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||||
case 1:
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||||
$return['fileType'] = 'gif';
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||||
break;
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||||
case 2:
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||||
$return['fileType'] = 'jpg';
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||||
break;
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||||
case 3:
|
||||
$return['fileType'] = 'png';
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||||
break;
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||||
}
|
||||
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
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||||
* Checks for XSS inside file. If found, deletes file, sets error_no to 5 and returns
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||||
*
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||||
* @return @e void
|
||||
*/
|
||||
public function hasXssInfile( $fileName )
|
||||
{
|
||||
// HTML added inside an inline file is not good in IE...
|
||||
$fh = fopen( $fileName, 'rb' );
|
||||
|
||||
$file_check = fread( $fh, 512 );
|
||||
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||||
fclose( $fh );
|
||||
|
||||
if ( ! $file_check )
|
||||
{
|
||||
return true;
|
||||
}
|
||||
# Thanks to Nicolas Grekas from comments at www.splitbrain.org for helping to identify all vulnerable HTML tags
|
||||
else if ( preg_match( '#<script|<html|<head|<title|<body|<pre|<table|<a\s+href|<img|<plaintext|<cross\-domain\-policy#si', $file_check ) )
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get new dimensions for resizing
|
||||
*
|
||||
* @access protected
|
||||
* @param integer Maximum width
|
||||
* @param integer Maximum height
|
||||
* @return array [img_width,img_height]
|
||||
*/
|
||||
protected function _getResizeDimensions( $width, $height )
|
||||
{
|
||||
//---------------------------------------------------------
|
||||
// Verify width and height are valid and > 0
|
||||
//---------------------------------------------------------
|
||||
|
||||
$width = intval($width);
|
||||
$height = intval($height);
|
||||
|
||||
if( !$width OR !$height )
|
||||
{
|
||||
$this->error = 'bad_dimensions';
|
||||
return false;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------
|
||||
// Is the current image already smaller?
|
||||
//---------------------------------------------------------
|
||||
|
||||
if( $width >= $this->cur_dimensions['width'] AND $height >= $this->cur_dimensions['height'] )
|
||||
{
|
||||
$this->error = 'already_smaller';
|
||||
return false;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------
|
||||
// Return new dimensions
|
||||
//---------------------------------------------------------
|
||||
|
||||
return $this->_scaleImage( array(
|
||||
'cur_height' => $this->cur_dimensions['height'],
|
||||
'cur_width' => $this->cur_dimensions['width'],
|
||||
'max_height' => $height,
|
||||
'max_width' => $width,
|
||||
) );
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Return proportionate image dimensions based on current and max dimension settings
|
||||
*
|
||||
* @access protected
|
||||
* @param array [ cur_height, cur_width, max_width, max_height ]
|
||||
* @return array [ img_height, img_width ]
|
||||
*/
|
||||
protected function _scaleImage( $arg )
|
||||
{
|
||||
$ret = array(
|
||||
'img_width' => $arg['cur_width'],
|
||||
'img_height' => $arg['cur_height']
|
||||
);
|
||||
|
||||
if ( $arg['cur_width'] > $arg['max_width'] )
|
||||
{
|
||||
$ret['img_width'] = $arg['max_width'];
|
||||
$ret['img_height'] = ceil( ( $arg['cur_height'] * ( ( $arg['max_width'] * 100 ) / $arg['cur_width'] ) ) / 100 );
|
||||
$arg['cur_height'] = $ret['img_height'];
|
||||
$arg['cur_width'] = $ret['img_width'];
|
||||
}
|
||||
|
||||
if ( $arg['cur_height'] > $arg['max_height'] )
|
||||
{
|
||||
$ret['img_height'] = $arg['max_height'];
|
||||
$ret['img_width'] = ceil( ( $arg['cur_width'] * ( ( $arg['max_height'] * 100 ) / $arg['cur_height'] ) ) / 100 );
|
||||
}
|
||||
|
||||
return $ret;
|
||||
}
|
||||
<?php
|
||||
|
||||
/**
|
||||
* <pre>
|
||||
* Invision Power Services
|
||||
* IP.Board v3.3.4
|
||||
* Image Handler: create thumbnails, apply watermarks and copyright tests, save or display final image
|
||||
* Last Updated: $Date: 2012-06-12 10:14:49 -0400 (Tue, 12 Jun 2012) $
|
||||
* </pre>
|
||||
*
|
||||
* @author $Author: bfarber $
|
||||
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
|
||||
* @license http://www.invisionpower.com/company/standards.php#license
|
||||
* @package IP.Board
|
||||
* @subpackage Kernel
|
||||
* @link http://www.invisionpower.com
|
||||
* @since Monday 5th May 2008 14:00
|
||||
* @version $Revision: 10914 $
|
||||
*
|
||||
* GD Example
|
||||
* <code>
|
||||
* $image = new classImageGd();
|
||||
* $image->init( array(
|
||||
* 'image_path' => "/path/to/images/",
|
||||
* 'image_file' => "image_filename.jpg",
|
||||
* ) );
|
||||
*
|
||||
* if( $image->error )
|
||||
* {
|
||||
* print $image->error;exit;
|
||||
* }
|
||||
*
|
||||
* Set max width and height
|
||||
* $image->resizeImage( 600, 480 );
|
||||
* // Add a watermark
|
||||
* $image->addWatermark( "/path/to/watermark/trans.png" );
|
||||
* //$image->addCopyrightText( "Hello World!", array( 'color' => '#ffffff', 'font' => 3 ) );
|
||||
* $image->displayImage();
|
||||
* </code>
|
||||
*/
|
||||
|
||||
/**
|
||||
* Bootstrapper
|
||||
* Picks GD or imagemagik
|
||||
*/
|
||||
class ips_kernel_image
|
||||
{
|
||||
/**
|
||||
* Loads correct class
|
||||
*
|
||||
* @param string [gd (for GD library)|im (for ImageMagick)]
|
||||
* @return @e object
|
||||
*/
|
||||
static public function bootstrap( $load='gd' )
|
||||
{
|
||||
if ( $load == 'im' )
|
||||
{
|
||||
require_once( IPS_KERNEL_PATH . 'classImageImagemagick.php' );/*noLibHook*/
|
||||
$img = new classImageImagemagick();
|
||||
}
|
||||
else
|
||||
{
|
||||
require_once( IPS_KERNEL_PATH . 'classImageGd.php' );/*noLibHook*/
|
||||
$img = new classImageGd();
|
||||
}
|
||||
|
||||
return $img;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Image interface
|
||||
*
|
||||
*/
|
||||
interface interfaceImage
|
||||
{
|
||||
/**
|
||||
* Initiate image handler, perform any necessary setup
|
||||
*
|
||||
* @param array Necessary options to init module
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function init( $opts=array() );
|
||||
|
||||
/**
|
||||
* Add a supported image type (assumes you have properly extended the class to add the support)
|
||||
*
|
||||
* @param string Image extension type to add support for
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function addImagetype( $ext );
|
||||
|
||||
/**
|
||||
* Resizes and image, then crops an image to a fixed ratio
|
||||
*
|
||||
* @param int Width of final cropped image
|
||||
* @param int Height of final cropped image
|
||||
* @param @e array
|
||||
*/
|
||||
public function croppedResize( $width, $height );
|
||||
|
||||
/**
|
||||
* Crops an image
|
||||
*
|
||||
* @param int Crop from X
|
||||
* @param int Crop from Y
|
||||
* @param int Width
|
||||
* @param int Height
|
||||
* @return @e array
|
||||
*/
|
||||
public function crop( $x1, $y1, $width, $height );
|
||||
|
||||
/**
|
||||
* Resize image proportionately
|
||||
*
|
||||
* @param integer Maximum width
|
||||
* @param integer Maximum height
|
||||
* @param boolean Second pass of image for crop
|
||||
* @param boolean Instead of resizing image to same size, return false if the image doesn't need to be resized
|
||||
* @param array Canvas size - if larger than resized image, image will be placed in the center
|
||||
* @return @e array
|
||||
*/
|
||||
public function resizeImage( $width, $height, $secondPass=false, $returnIfUnnecessary=false, $canvas=array() );
|
||||
|
||||
/**
|
||||
* Write image to file
|
||||
*
|
||||
* @param string File location (including file name)
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function writeImage( $path );
|
||||
|
||||
/**
|
||||
* Print image to screen
|
||||
*
|
||||
* @return @e void
|
||||
*/
|
||||
public function displayImage();
|
||||
|
||||
/**
|
||||
* Add watermark to image
|
||||
*
|
||||
* @param string Watermark image path
|
||||
* @param integer [Optional] Opacity 0-100
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function addWatermark( $path, $opacity=100 );
|
||||
|
||||
/**
|
||||
* Add copyright text to image
|
||||
*
|
||||
* @param string Copyright text to add
|
||||
* @param array [Optional] Text options (color, background color, font [1-5])
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function addCopyrightText( $text, $textOpts=array() );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Image abstract class
|
||||
*
|
||||
*/
|
||||
abstract class classImage
|
||||
{
|
||||
/**
|
||||
* Error encountered
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
public $error = '';
|
||||
|
||||
/**
|
||||
* Image Path
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $image_path = '';
|
||||
|
||||
/**
|
||||
* Image File
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $image_file = '';
|
||||
|
||||
/**
|
||||
* Image path + file
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $image_full = '';
|
||||
|
||||
/**
|
||||
* Image dimensions
|
||||
*
|
||||
* @var array
|
||||
*/
|
||||
protected $orig_dimensions = array( 'width' => 0, 'height' => 0 );
|
||||
|
||||
/**
|
||||
* Image current dimensions
|
||||
*
|
||||
* @var array
|
||||
*/
|
||||
public $cur_dimensions = array( 'width' => 0, 'height' => 0 );
|
||||
|
||||
/**
|
||||
* Image Types Supported
|
||||
*
|
||||
* @var array
|
||||
*/
|
||||
protected $image_types = array( 'gif', 'jpeg', 'jpg', 'jpe', 'png' );
|
||||
|
||||
/**
|
||||
* Extension of image
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
public $image_extension = '';
|
||||
|
||||
/**
|
||||
* Resize image anyways (e.g. if we have added watermark)
|
||||
*
|
||||
* @var bool
|
||||
*/
|
||||
public $force_resize = false;
|
||||
|
||||
/**
|
||||
* Image handler constructor
|
||||
*
|
||||
* @return @e oolean
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Image handler desctructor
|
||||
*
|
||||
* @return @e void
|
||||
*/
|
||||
public function __destruct()
|
||||
{
|
||||
}
|
||||
|
||||
/**
|
||||
* Cleans up paths, generates var $in_file_complete
|
||||
*
|
||||
* @param string Path to clean
|
||||
* @return @e string
|
||||
*/
|
||||
protected function _cleanPaths( $path='' )
|
||||
{
|
||||
//---------------------------------------------------------
|
||||
// Remove trailing slash
|
||||
//---------------------------------------------------------
|
||||
|
||||
return rtrim( $path, '/' );
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a supported image type (assumes you have properly extended the class to add the support)
|
||||
*
|
||||
* @param string Image extension type to add support for
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function addImagetype( $ext )
|
||||
{
|
||||
//---------------------------------------------------------
|
||||
// Add a supported image extension
|
||||
//---------------------------------------------------------
|
||||
|
||||
if( !in_array( $ext, $this->image_types ) )
|
||||
{
|
||||
$this->image_types[] = $ext;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks to see if an uploaded image truly is an image
|
||||
*
|
||||
* @param string Image path
|
||||
* @return @e mixed
|
||||
*/
|
||||
public function extractImageData( $imagePath )
|
||||
{
|
||||
$fileExt = IPSText::getFileExtension( $imagePath );
|
||||
|
||||
$img_attributes = @getimagesize( $imagePath );
|
||||
|
||||
if ( ! is_array( $img_attributes ) or ! count( $img_attributes ) )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else if ( ! $img_attributes[2] )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else if ( $img_attributes[2] == 1 AND ( $fileExt == 'jpg' OR $fileExt == 'jpeg' ) )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
$return = array( 'width' => $img_attributes[0],
|
||||
'height' => $img_attributes[1],
|
||||
'fileType' => '' );
|
||||
|
||||
switch( $img_attributes[2] )
|
||||
{
|
||||
case 1:
|
||||
$return['fileType'] = 'gif';
|
||||
break;
|
||||
case 2:
|
||||
$return['fileType'] = 'jpg';
|
||||
break;
|
||||
case 3:
|
||||
$return['fileType'] = 'png';
|
||||
break;
|
||||
}
|
||||
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks for XSS inside file. If found, deletes file, sets error_no to 5 and returns
|
||||
*
|
||||
* @param string Image path
|
||||
* @return @e boolean
|
||||
*/
|
||||
public function hasXssInfile( $fileName )
|
||||
{
|
||||
// HTML added inside an inline file is not good in IE...
|
||||
$fh = fopen( $fileName, 'rb' );
|
||||
|
||||
$file_check = fread( $fh, 512 );
|
||||
|
||||
fclose( $fh );
|
||||
|
||||
if ( ! $file_check )
|
||||
{
|
||||
return true;
|
||||
}
|
||||
# Thanks to Nicolas Grekas from comments at www.splitbrain.org for helping to identify all vulnerable HTML tags
|
||||
else if ( preg_match( '#<script|<html|<head|<title|<body|<pre|<table|<a\s+href|<img|<plaintext|<cross\-domain\-policy#si', $file_check ) )
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get new dimensions for resizing
|
||||
*
|
||||
* @param integer Maximum width
|
||||
* @param integer Maximum height
|
||||
* @return @e array
|
||||
*/
|
||||
protected function _getResizeDimensions( $width, $height )
|
||||
{
|
||||
//---------------------------------------------------------
|
||||
// Verify width and height are valid and > 0
|
||||
//---------------------------------------------------------
|
||||
|
||||
$width = intval($width);
|
||||
$height = intval($height);
|
||||
|
||||
if( !$width OR !$height )
|
||||
{
|
||||
$this->error = 'bad_dimensions';
|
||||
return false;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------
|
||||
// Is the current image already smaller?
|
||||
//---------------------------------------------------------
|
||||
|
||||
if( $width >= $this->cur_dimensions['width'] AND $height >= $this->cur_dimensions['height'] )
|
||||
{
|
||||
$this->error = 'already_smaller';
|
||||
return false;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------
|
||||
// Return new dimensions
|
||||
//---------------------------------------------------------
|
||||
|
||||
return $this->_scaleImage( array(
|
||||
'cur_height' => $this->cur_dimensions['height'],
|
||||
'cur_width' => $this->cur_dimensions['width'],
|
||||
'max_height' => $height,
|
||||
'max_width' => $width,
|
||||
) );
|
||||
}
|
||||
|
||||
/**
|
||||
* Return proportionate image dimensions based on current and max dimension settings
|
||||
*
|
||||
* @param array [ cur_height, cur_width, max_width, max_height ]
|
||||
* @return @e array
|
||||
*/
|
||||
protected function _scaleImage( $arg )
|
||||
{
|
||||
$ret = array(
|
||||
'img_width' => $arg['cur_width'],
|
||||
'img_height' => $arg['cur_height']
|
||||
);
|
||||
|
||||
if ( $arg['cur_width'] > $arg['max_width'] )
|
||||
{
|
||||
$ret['img_width'] = $arg['max_width'];
|
||||
$ret['img_height'] = ceil( ( $arg['cur_height'] * ( ( $arg['max_width'] * 100 ) / $arg['cur_width'] ) ) / 100 );
|
||||
$arg['cur_height'] = $ret['img_height'];
|
||||
$arg['cur_width'] = $ret['img_width'];
|
||||
}
|
||||
|
||||
if ( $arg['cur_height'] > $arg['max_height'] )
|
||||
{
|
||||
$ret['img_height'] = $arg['max_height'];
|
||||
$ret['img_width'] = ceil( ( $arg['cur_width'] * ( ( $arg['max_height'] * 100 ) / $arg['cur_height'] ) ) / 100 );
|
||||
}
|
||||
|
||||
return $ret;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user