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This tutorial focuses on a thumbnail generation script I wrote for the Accidental President site. Rather than generating a smaller representation of the image, it cuts out a section of the photograph to create an obscure snapshot of the photo itself. The thumbnail's size is variable also, so the script be used across different sites to create different sized thumbnails where needed.
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Date Added: Oct 15, 2006 Hits: 8 Rating: 0.00 Votes: 0
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Often, tutorials covering the GD libraries and it's available functions in PHP will show how to overlay text onto images, manipulate images (resize, flip, rotate, etc) or how to dynamicly generate charts or graphs from numerical data. I have not seen many demonstrating how to combine images (or moreso, placing a transparent forground image over a background image).
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Date Added: Oct 15, 2006 Hits: 18 Rating: 0.00 Votes: 0
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Imagine a scenario where you have an online photo album and the layout calls for drop shadows to be placed behind each image. It would be a hassle to manually add the shadow to each image... and actually modifying the original picture might not be possible depending on the circumstance. But if there're a few extra processor cycles available on the server, why not script the shadow using PHP?
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Date Added: Oct 15, 2006 Hits: 5 Rating: 0.00 Votes: 0
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Depending upon how it's done, displaying a page of thumbnail images can be very cumbersome. Allowing the browser to resize images requires the client browser to download the entire, full-size image, then clumsily resize the image to a specified size. This causes the page to load very slowly and creates unavoidable distortion in the resulting images. The other option is to make separate thumbnail images for each individual image. This is fine if you only plan to display a few images, but becomes unrealistic on a large scale or a site involving dynamic images. Fortunately there are ways around these problems using the GD library in PHP.
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Date Added: Oct 15, 2006 Hits: 5 Rating: 0.00 Votes: 0
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Before we really get into things, let me clue you into something. I am not a graphic designer. I have no urge to be and have no talent to be. To put it bluntly, my graphics suck. Also, to use what you learn in this tutorial, you will need PHP 4.0.6 or higher and at least GD 2.0.1
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Date Added: Oct 15, 2006 Hits: 5 Rating: 0.00 Votes: 0
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If you frequent forums, you'd probably remember images in people's signatures that would display information about your computer. Such mysticism! This tutorial will teach you that, and more!
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Date Added: Oct 15, 2006 Hits: 6 Rating: 0.00 Votes: 0
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About a year ago I created a signature for use in forums. This sig is an image that display's the last 5 tutorials (or tips) that have been approved at CodeDemons. Because I have had many people asking me how I did this, I am going to explain. With this knowledge you can do just about anything with your sig. You will know how to pull any information from a database and drop it in an image. It does not even have to be a signature.
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Date Added: Oct 15, 2006 Hits: 9 Rating: 0.00 Votes: 0
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