Showing 1-18 of 18 Resources

This document explains how you can allow visitors to upload images for use on your web site and then re-size them automatically with PHP. Includes example source code.

This article discusses the use of a class called HTML_Graphs and supplies example wrapper functions to make using this class even easier. This is a great way to add charts and graphs to your web site when you don't have access to GD to create images dynamically.

This article provides two functions for converting colors from hexadecimal values (like #AAED43) to three RGB values ($r = 170, $g = 237, $b = 67) and converting RGB values to hexadecimal values.

A brief introduction to the world of image manipulation in PHP using the GD library. In this tutorial I will step you through creating a clock that will display the current time.

This tutorial explains how to use the GD library to dynamically create images on your web site and is intended for the intermediate PHP developer.

A two page column explaining how to use GD and TTF abilities of PHP on your web site to dynamically create images and display them to users. Sample code is provided as well, alongside the explanation.

This tutorial will show you how to resize an image with PHP. You can use this function in your own image gallery implementation or in any other cases when you need to create a thumbnail from your image.

Put an image in the folder and it'll show up in your image gallery. It's that simple. This tutorial shows you how to add subtitles to the images.

This short article shows how to use the GD graphics manipulation library to modify already existing images by placing text on them.

This article explains how to use statistics gathered from a MySQL database and the PHP GD libraries to dynamically create simple line graphs for display on your pages.

This article will show you how to use real-time image generation.

This tutorial will describe how to create thumbnail images on the fly using PHP. Furthermore, you will learn how to process a whole folder of images and create their thumbnails. Since this requires the GD library, you will need an installation of PHP with at least GD 2.0.1 enabled.

This tutorial will show you how to create images on the fly with interesting and useful effects using image handling functions. It covers two practical tasks: creating security images (CAPTCHA) on the fly and building a bar chart using numerical values retrieved from a MySQL database.

Learn to display random images. Perfect for header image rotation.

An example of a photo-gallery script which uses a MySQL table (BLOB field) to store images. Trivial password-protection, and uploading and deleting images are supported. For the Apache-version of PHP there is advanced browser-caching support (using If-Modified-Since header).

In this tutorial we will create a random image generator. This could be useful for rotating banners, ads, traded button links or any images.

This tutorial explains how to use GD and PHP to create interactive image maps. It uses a map example and zooms in on specified locations of the map that a user clicks on.

This is an example of using Gd/FreeType to generate image text labels with TTF fonts. The provided script could be used as "text rasterization service" to generate arbitrarily text-images for a web site. MD5-based authorization is used to avoid image generation by unauthorized users.

Showing 1-18 of 18 Resources