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Image Masking

This is a class allows you to apply a mask to an image much like you could do in PhotoShop, Gimp, or any other such image manipulation programme. The mask is converted to grayscale so it's best to use black/white patterns. If the mask is smaller than the image then the mask can be placed in various positions (top left, left, top right, left, centre, right, bottom left, bottom, bottom right) or the mask can be resized to the dimensions of the image.

Requires GD 2.0.1+

Because of the nature of the class, masking large images may take some time. So it's best used on thumbnails and the like.

class.imagemask.php

The main class file.

13.66kb in size
last modified May 6, 2006 at 9:55pm
9591 views, 8804 downloads
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demomask-blob.png

An example mask.

7.35kb in size
last modified May 6, 2006 at 9:55pm
7943 views, 9706 downloads
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demomask-frame1.png

An example mask.

19.78kb in size
last modified May 6, 2006 at 9:55pm
7617 views, 7198 downloads
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demomask-frame2.png

An example mask.

17.15kb in size
last modified May 6, 2006 at 9:55pm
8219 views, 10639 downloads
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test.imagemask.php

A test file.

<?php

    require 'class.imagemask.php';
    $im = new imageMask($_POST['colour']);
    $im->setDebugging(false);
    $im->maskOption($_POST['position']);
    if ($im->loadImage(dirname(__FILE__) . "/pictures/{$_POST['file']}"))
    {
        if ($im->applyMask(dirname(__FILE__) . "/masks/{$_POST['mask']}"))
        {
            $im->showImage('png');
        }
    }

?>
375b in size
last modified May 6, 2006 at 9:55pm
8891 views, 7338 downloads
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list all projects :: this project's forum :: script in action
added Jan 18, 2004 at 7:34am :: updated Jan 18, 2004 at 7:34am :: 5 files :: 43756 views

© Andrew Collington, 2002-2007.