Класс наложения копирайта на изображение

                        
<?php

// Автор: Mr. Edward

class CopyrightImage

{

var $filename;

var $copyname;

var $src_w;

var $src_h;

var $dest_w;

var $dest_h;

var $src_img;

var $dest_img;

function __construct($fname, $copyfname)

{

$isa = getimagesize($fname);

$icsa = getimagesize($copyfname);

$this->filename = $fname;

$this->copyname = $copyfname;

$this->src_w = $isa[0];

$this->src_h = $isa[1];

$this->dest_w = $icsa[0];

$this->dest_h = $icsa[1];

if($isa[2]==3) $this->src_img = imagecreatefrompng($this->filename);

if($isa[2]==2) $this->src_img = imagecreatefromjpeg($this->filename);

if($isa[2]==1) $this->src_img = imagecreatefromgif($this->filename);

if($icsa[2]==3) $this->dest_img = imagecreatefrompng($this->copyname);

if($icsa[2]==2) $this->dest_img = imagecreatefromjpeg($this->copyname);

if($icsa[2]==1) $this->dest_img = imagecreatefromgif($this->copyname);

}

function copyright()

{

$dest_w_old=$this->dest_w;

$dest_h_old=$this->dest_h;

if (ceil($this->src_w/5)<=$this->dest_w)

{

$coef =ceil($this->dest_w/$this->src_w);

$this->dest_w =ceil($this->dest_w/($coef));

$this->dest_h =ceil($this->dest_h/($coef));

}

$x=$this->src_w-$this->dest_w;

$y=$this->src_h-$this->dest_h;

imagecopyresampled($this->src_img, $this->dest_img, $x, $y, 0, 0, $this->dest_w, $this->dest_h, $dest_w_old, $dest_h_old);

}

function conc()

{

header('Content-Type: image/png');

imagepng($this->src_img);

}

function __destruct()

{

imagedestroy($this->src_img);

imagedestroy($this->dest_img);

}

}

?>

Пример использования:

<?php

$object = new CopyrightImage('image.jpg', 'copyright.png');

$object->copyright();

$object->conc();

?>