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New article: Deep Zoom for WPF 24/11/10


I’ve just released my fourth article on CodeProject: Deep Zoom for WPF. I’m very excited about this one: this article explains how to recreate the MultiScaleImage (Deep Zoom) control from Silverlight, compatible with Deep Zoom Composer, Zoom.it, multi-touch and more!

Here’s it goes:


If you like this article, please sign in and vote for this article (on the right corner, “Rate this article”), and please leave your comments and suggestions.

All the source code is also being released in CodePlex under the MS-PL licence, to facilitate future improvements and distribution. Please contribute! The project page is located at http://deepzoom.codeplex.com/.

If you like this kind of article, I also recommend my other articles on CodeProject:


Categories: .net, Artigos, Open Source, WPF  


1. Roberto Sonnino - 24/11/10

New blog post: New article: Deep Zoom for WPF – http://bit.ly/faMI34

2. 代办产地证 - 10/5/11

I’ve learned a lot from your blog here,Keep on going,I will keep an eye on it,One more thing,plz visit my websites:提供核销单

3. Diem Tran - 24/5/11

Hi Roberto,

Thank you for the implementation, it works beautifully.

I am trying to apply some image manipulation tools onto the Deep Zoom tiles (brightness, contrast, etc). The main goal is, for example, whenever a user changes a brightness by dragging a slider, the DeppZoom image will change it brightness accordingly.

Currently, I am applying the tools in TileHost.cs, before the ‘Source’ is drawn using DrawImage of the DrawingContext (in function RenderTile()). Specifically, I get the pixels from ‘Source’, apply brightness change, and set those pixels back to ‘Source’.

However, the change cannnot be seen after a few times of zooming (I doubt they need times to reload, which is weird): I change the slider, the brightness is changed but the new tiles with brightness changed do not show up. I have to zoom the Deep Zoom image a few times for the tiles to show up.

Do you know where the problem might be?

You can reach me at:
diem_tran at brown dot edu

Thank you.

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