<?php
/* PIMG module: resizes an image keeping it's aspect ratio and fits it in an user defined rectangle */
class pimg_fitin
{
/* Resources */
private $pimg;
// PIMG constructor
function __construct($pimg)
{
$this -> pimg = $pimg;
}
/*
Resizes an image keeping it's aspect ratio and fits it in an user defined rectangle
@param: $width - rectangle width
@param: $height - rectangle height
@result: a pointer to the caller pimg class for furthur usage
*/
function init($width, $height)
{
/* INPUT VALIDATORS */
if ($width <= 0)
$this -> pimg -> setDebug('Fitin destination width must be > 0', 'error', __CLASS__);
if ($height <= 0)
$this -> pimg -> setDebug('Fitin destination height must be > 0', 'error', __CLASS__);
// Callculate new width and height
$newWidth = $width;
$newHeight = $this -> pimg -> height() * $newWidth / $this -> pimg -> width();
if ($newHeight > $height)
{
$newHeight = $height;
$newWidth = $this -> pimg -> width() * $newHeight / $this -> pimg -> height();
}
// Resize
return $this -> pimg -> stretch($newWidth, $newHeight);
}
}
?>
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