PHP Classes

File: merge.pimg.php

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  Classes of Tony Bogdanov  >  PIMG  >  merge.pimg.php  >  Download  
File: merge.pimg.php
Role: Class source
Content type: text/plain
Description: Merging two images
Class: PIMG
Process images using multiple operations
Author: By
Last change: 1.1
Date: 12 years ago
Size: 1,343 bytes
 

Contents

Class file image Download
<?php
/* PIMG module: merges two pimg images with a define xy offset */
class pimg_merge
{
   
/* Resources */
   
private $pimg;
   
   
// PIMG constructor
   
function __construct($pimg)
    {
       
$this -> pimg = $pimg;
    }
   
   
   
   
/*
        Merges the given pimg image over the original pimg image with the given xy offset
        @param: $copy - the pimg image to merge on top
        @param: $x - x offset (signed)
        @param: $y - y offset (signed)
        @result: a pointer to the caller pimg class for furthur usage
    */
   
function init($copy, $x = 0, $y = 0, $pct = 100)
    {
       
/* INPUT VALIDATORS */
       
if (!$copy instanceOf pimg_image)
           
$this -> pimg -> setDebug('The passed merge image is not a valid pimg_image resource', 'error', __CLASS__);
       
       
// Check if the $copy is actually the original pimg
       
if ($this -> pimg == $copy)
           
$copyImg = $this -> pimg -> newImage($copy -> renderString());
        else
           
$copyImg = $copy -> handle();
       
       
// Layer over the image
       
if ($pct == 100)
           
imagecopyresampled($this -> pimg -> handle(), $copyImg, $x, $y, 0, 0, $copy -> width(), $copy -> height(), $copy -> width(), $copy -> height());
        elseif (
$pct)
           
imagecopymerge($this -> pimg -> handle(), $copyImg, $x, $y, 0, 0, imagesx($copyImg), imagesy($copyImg), $pct);
       
       
// Return the caller pimg instance
       
return $this -> pimg;
    }
}
?>