how to resize my water mark - image

Question

my image is :
http://img.majidonline.com/pic/309603/02.png
and my watermark image is:
http://img.majidonline.com/thumb/309602/01.png
my water mark file is normal. but i Want when my image is big my watermark be big.
this is my watermark result:
http://img.majidonline.com/pic/309604/03.png
I want my image watermarked be like this one:
http://img.majidonline.com/pic/309605/04.png
And this is my class for watermark:
<?php
#################################################################################
# Watermark Image Class 1.0
#################################################################################
# For updates visit http://www.zubrag.com/scripts/
#################################################################################
#
# REQUIREMENTS:
# PHP 4.0.6 and GD 2.0.1 or later
# May not work with GIFs if GD2 library installed on your server
# does not support GIF functions in full
#
#################################################################################
class Zubrag_watermark {
var $offset_x = 0;
var $offset_y = 0;
var $quality = 0;
var $image_type = -1; // Image type: 1 = GIF, 2 = JPG, 3 = PNG
var $force_image_type = 3; // Change image type? (-1 = same as original, 1 = GIF, 2 = JPG, 3 = PNG)
var $save_to_file = true;
function Zubrag_watermark($image_path='', $offset_x=0, $offset_y=0) {
$this->setImagePath($image_path);
$this->setOffset($offset_x, $offset_y);
}
function setImagePath($image_path) {
$this->image_path = $image_path;
}
function setOffset($x, $y) {
$this->offset_x = $x;
$this->offset_y = $y;
}
function ImageCreateFromType($type,$filename) {
$im = null;
switch ($type) {
case 1:
$im = ImageCreateFromGif($filename);
break;
case 2:
$im = ImageCreateFromJpeg($filename);
break;
case 3:
$im = ImageCreateFromPNG($filename);
break;
}
return $im;
}
function ApplyWatermark($watermark_path, $wwidth, $wheight) {
$this->watermark_path = $watermark_path;
// Determine image size and type
$size = getimagesize($this->image_path);
$size_x = $size[0];
$size_y = $size[1];
$image_type = $size[2]; // 1 = GIF, 2 = JPG, 3 = PNG
// load source image
$image = $this->ImageCreateFromType($image_type, $this->image_path);
// Determine watermark size and type
$wsize = getimagesize($watermark_path);
$watermark_x = $wsize[0];
$watermark_y = $wsize[1];
$watermark_type = $wsize[2]; // 1 = GIF, 2 = JPG, 3 = PNG
// load watermark
$watermark = $this->ImageCreateFromType($watermark_type, $watermark_path);
// where do we put watermark on the image?
$dest_x = $size_x - $watermark_x - $this->offset_x;
$dest_y = $size_y - $watermark_y - $this->offset_y;
imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_x, $watermark_y, 100);
$this->image = &$image;
$this->watermark = &$watermark;
$this->image_type = $image_type;
} // ApplyWatermark
function OutputImageInternal($filename='') {
$im = &$this->image;
$res = null;
$image_type = ($this->force_image_type != -1 ? $this->force_image_type : $this->image_type);
// ImageGIF is not included into some GD2 releases, so it might not work
// output png if gifs are not supported
if(($image_type == 1) && !function_exists('imagegif')) $image_type = 3;
switch ($image_type) {
case 1:
if ($this->save_to_file) {
$res = ImageGIF($im,$filename);
}
else {
header("Content-type: image/gif");
$res = ImageGIF($im);
}
break;
case 2:
if ($this->save_to_file) {
$res = ImageJPEG($im,$filename,$this->quality);
}
else {
header("Content-type: image/jpeg");
$res = ImageJPEG($im, NULL, $this->quality);
}
break;
case 3:
if (PHP_VERSION >= '5.1.2') {
// Convert to PNG quality.
// PNG quality: 0 (best quality, bigger file) to 9 (worst quality, smaller file)
$quality = 9 - min( round($this->quality / 10), 9 );
if ($this->save_to_file) {
$res = ImagePNG($im, $filename, $quality);
}
else {
header("Content-type: image/png");
$res = ImagePNG($im, NULL, $quality);
}
}
else {
if ($this->save_to_file) {
$res = ImagePNG($im, $filename);
}
else {
header("Content-type: image/png");
$res = ImagePNG($im);
}
}
break;
}
return $res;
}
function Output($type = -1) {
$this->force_image_type = $type;
$this->save_to_file = false;
$this->OutputImageInternal();
}
function SaveAsFile($filename, $type = -1) {
$this->force_image_type = $type;
$this->save_to_file = true;
$this->OutputImageInternal($filename);
}
function Free() {
imagedestroy($this->image);
imagedestroy($this->watermark);
}
}
?>
please say me where i can change watermark size?

Answer 1

Just make your watermark bigger in photoshop.