Book Image

Plone 3 Multimedia

By : Tom Gross
Book Image

Plone 3 Multimedia

By: Tom Gross

Overview of this book

<p>Plone is a free and open source content management system built on top of the Zope application server. Multimedia provides us with stunning interactive user experiences and many design options, but it requires discipline and knowledge to utilize it effectively so that we do not alienate our audiences. By providing an overview of multimedia content together with a practical focus on how to process it in the web context, this book will be your ideal partner when turning your Plone site into a full-featured multimedia Internet presence.<br /><br />From watermarked images, integrated Silverlight-applications over geotagged content and rich podcasts to protected video-on-demand solutions this book provides a rich repository of tools and techniques to add full multimedia power to Plone. This step-by-step guide will show you how to collaborate with many external web resources to build a powerful interactive Plone site that perfectly meet your needs.<br /><br />Multimedia data is a very important part of the Internet, considering the amount of storage and bandwidth taken. This book will show you how to turn your multimedia data in valuable multimedia content by using the mature and extensible open source CMS Plone.<br /><br />With its content-centric approach Plone allows specialized use-case scenarios for image, audio, video, Flash and Silverlight applications. The initial chapters focus on managing image, audio, video, and flash content for your Plone website. We then plunge into content control and syndication. <br /><br />The book will show you how to structure your content by tagging, rating, and geolocating. It will give you insights on how to upload, store, and serve your multimedia content in an effective way.</p>
Table of Contents (19 chapters)
Plone 3 Multimedia
Credits
About the Author
About the Reviewers
Preface
Syndication Formats
Index

Manipulating Images


We will do some programming at the end of this chapter, where we will utilize PIL to do an on-the-fly image manipulation. But before we go on, we should make one thing clear: Plone is not image manipulation software. If you want sophisticated image manipulation, use Photoshop (http://www.adobe.com/de/products/photoshop/photoshop/) or GIMP (http://www.gimp.org/). These applications will give you the full power of image manipulation possibilities. Nevertheless, Plone has some limited features for standard image manipulation and can be easily enhanced with at least everything that PIL provides. Some of these operations are already exposed in the Transform tab as we have seen at the beginning of this chapter.

Now let's see an example. We assume that we want to protect an image with a watermark. Therefore, we write a view that renders the protected image. The image itself should not be touched in any way. All operations should be handled on the fly when calling the view.

First...