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File: stretch.pimg.php

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  Classes of Tony Bogdanov  >  PIMG  >  stretch.pimg.php  >  Download  
File: stretch.pimg.php
Role: Class source
Content type: text/plain
Description: Class for stretching an image
Class: PIMG
Process images using multiple operations
Author: By
Last change: 1.1
Date: 11 years ago
Size: 1,318 bytes
 

Contents

Class file image Download
<?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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