<?php
/* PIMG module: resizes an image by stretching it to e specified width and height */
class pimg_stretch
{
/* Resources */
private $pimg;
// PIMG constructor
function __construct($pimg)
{
$this -> pimg = $pimg;
}
/*
Resizes the image by stretching it to a specified width and height
@param: $width - integer value
@param: $height - integer value
@result: a pointer to the caller pimg class for furthur usage
*/
function init($width, $height)
{
/* INPUT VALIDATORS */
if ($width <= 0)
$this -> pimg -> setDebug('Width must be > 0', 'error', __CLASS__);
if ($height <= 0)
$this -> pimg -> setDebug('Height must be > 0', 'error', __CLASS__);
// If width and height are the same as original skip the stretching
if ($this -> pimg -> width() != $width || $this -> pimg -> height() != $height)
{
// Create a new empty image
$resized = $this -> pimg -> newImage(null, $width, $height);
// Resize the original
imagecopyresampled($resized, $this -> pimg -> handle(), 0, 0, 0, 0, $width, $height, $this -> pimg -> width(), $this -> pimg -> height());
// Update the pimg class
$this -> pimg -> update($resized, $width, $height);
}
// Return the caller pimg instance
return $this -> pimg;
}
}
?>
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