ACC SHELL

<?php
class image
{
	private $srcWidth;
	private $srcHeight;
	private $srcType;
	private $srcImage=NULL;
	private $raito;
	private $srcRaito;
	private $bgColor='ffffff';
	private $bgImage=NULL;
	
	function __construct()
	{
		if( !defined('IMAGE_TRIM') ) 		define('IMAGE_TRIM', 1);
		if( !defined('IMAGE_RAITO') )		define('IMAGE_RAITO', 2);
		if( !defined('IMAGE_FULL') )		define('IMAGE_FULL', 3);
	}
	
	function setBgColor($color)
	{
		$this->bgColor=$color;
	}
	
	function setBgImage($url)
	{
		@$s=getimagesize($url);
		if( $s[2]!=IMAGETYPE_JPEG )
			die('Background image is not JPEG!');
		
		$this->bgImage=$url;
	}
	
	function load($srcUrl)
	{
		list($this->srcWidth, $this->srcHeight, $this->srcType) = getImageSize($srcUrl);
		
		switch($this->srcType)
		{
		  case IMAGETYPE_JPEG:	$this->srcImage=imageCreateFromJpeg($srcUrl);	break;
		  case IMAGETYPE_PNG: 	$this->srcImage=imageCreateFromPng($srcUrl);  	break;
		  case IMAGETYPE_GIF:  	$this->srcImage=imageCreateFromGif($srcUrl);  	break;
		}
		
		if( is_null($this->srcImage) )
			die('Can\'t load image');
	}
	
	function resize($width, $height, $dest, $mode=IMAGE_TRIM, $saveAs=IMAGETYPE_JPEG)
	{
		$image=NULL;
		$raito=$width/$height;
		$srcRaito=$this->srcWidth/$this->srcHeight;
		
		switch($mode)
		{
		  case IMAGE_TRIM:
			if( $srcRaito>$raito )
			{
				$newWidth=$srcRaito*$height; 
				$newHeight=$height;
				
				$x=-($newWidth-$width)/2; 
				$y=0;
			}
			else
			{
				$newWidth=$width;
				$newHeight=$width/$srcRaito;
				
				$x=0;
				$y=-($newHeight-$height)/2;
			}
		
			$image=imageCreateTrueColor($width, $height);
			imageCopyResampled($image, $this->srcImage, $x, $y, 0, 0, $newWidth, $newHeight, $this->srcWidth, $this->srcHeight);
		 break;
		
		  case IMAGE_RAITO:			
			if( ($width>$this->srcWidth ) && ($height>$this->srcHeight) )
			{
				$newWidth=$this->srcWidth;
				$newHeight=$this->srcHeight;
			}
			elseif( $srcRaito>$raito )
			{
				$newWidth=$width;
				$newHeight=$width/$srcRaito;
			}
			else
			{
				$newWidth=$height*$srcRaito;
				$newHeight=$height;
			}
			
			$image=imageCreateTrueColor($newWidth, $newHeight);
			imageCopyResampled($image, $this->srcImage, 0, 0, 0, 0, $newWidth, $newHeight, $this->srcWidth, $this->srcHeight);
		 break;
		
		case IMAGE_FULL:
			if( $srcRaito<$raito )
			{
				$newWidth=$srcRaito*$height; 
				$newHeight=$height;
				
				$x=-($newWidth-$width)/2; 
				$y=0;
			}
			else
			{
				$newWidth=$width;
				$newHeight=$width/$srcRaito;
				
				$x=0;
				$y=-($newHeight-$height)/2;
			}
			
			if( !is_null($this->bgImage) )
				$image=imageCreateFromJpeg( $this->bgImage );
			else
			{			
				$r=hexDec( subStr($this->bgColor, 0, 2) );
				$g=hexDec( subStr($this->bgColor, 2, 2) );
				$b=hexDec( subStr($this->bgColor, 4, 2) );
				
				$image=imageCreateTrueColor($width, $height);
				$color=imageColorAllocate($image, $r, $g, $b);
				imageFill($image, 0, 0, $color);
			}
			
			imageCopyResampled($image, $this->srcImage, $x, $y, 0, 0, $newWidth, $newHeight, $this->srcWidth, $this->srcHeight);
		 break;
		}
		
		if( is_null($this->srcImage) )
			die('Can\'t resize image');
		
		switch($saveAs)
		{
		  case IMAGETYPE_JPEG:	if( imageJpeg($image, "$dest.jpg") ) 	return "$dest.jpg"; break;
		  case IMAGETYPE_PNG:	if( imagePng($image, "$dest.png") ) 	return "$dest.png"; break;
		  case IMAGETYPE_GIF:	if( imageGif($image, "$dest.gif") )		return "$dest.gif"; break;
		}
		
		die('Can\'t save image');
	}
}
?>