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A while ago I started the WriteableBitmapEx project to make the life a bit easier when working with the WriteableBitmap. And now what would be more natural than porting it to the Windows Phone platform.

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I’ve created my list of favorites tools and libraries and posted them to the Downloads page on the Project Rosetta site. After posting the updated list yesterday I realized I missed two big ones: SilverSprite and Balder.

Breaking the new list down into categories, I ended up with 3 Essential, 4 Optional and 10 Specialty downloads.

The purpose of this guide is to familiarize developers and designers with Silverlight concepts by relating them to Flash concepts. Comparisons are drawn between each pair of concepts in effort to map knowledge from one platform to another.

René Schulte posted this Silverlight 4 demo about augmented reality with Silverlight 4.

In this short blog post I want to present a demo I've actually made last week. Unfortunately I had no time to work on it since then. This demo is a proof of concept for doing Augmented Reality with Silverlight 4 and the built-in webcam API.
I use the open source Augmented Reality library NyARToolkitCS and implemented the necessary interfaces to make it work with Silverlight. The NyARToolkitCS library is a completely managed version of the well known ARToolkit.

In this next post René Schulte has extended the WriteableBitmap with some specialized methods for various shapes including a fast ellipse rasterization algorithm.

Last week I've released the second part of my WriteableBitmap extensions methods. I've added DrawLine() methods and presented a sample application that showed that the WriteableBitmap line-drawing methods are 20-30 times faster than the UIElement Line class.

A stable and fast line-drawing algorithm is the basis for most shapes like triangles, rectangles or polylines in general.

René Schulte has written an algorithmic method which performs a rasterization of a line: the famous DrawLine().

As the name implies is it used to draw a line between two points in the bitmap. To say it in advance: This is the way for drawing huge amounts of lines in Silverlight. I've used the elegant C# 3.0 extension methods again to add this functionality to the existing WriteableBitmap class.

To change the mouse Icon when the user rolls over a button, first make sure you have the button in question selected. Then go to the ‘Properties‘ tab and scroll down to the ‘Common Properties‘ section. Change the drop down next to ‘Cursor‘ to choose which mouse icon will be used. Once the user rolls off the button the mouse icon will revert back to the arrow icon.

Expression Design has always had the ability to import Illustrator files. By allowing you to now import both Illustrator and Photoshop files directly into your blend project, Microsoft has supplied the tools to fast track your designs from concept to working application.