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copied!<p>There are a several open-source encoders out there:</p> <p>FJCore: <a href="http://code.google.com/p/fjcore/" rel="nofollow noreferrer">http://code.google.com/p/fjcore/</a></p> <p>Joe Stegman's PNG Encoder: <a href="http://blogs.msdn.com/jstegman/archive/2008/04/21/dynamic-image-generation-in-silverlight.aspx" rel="nofollow noreferrer">http://blogs.msdn.com/jstegman/archive/2008/04/21/dynamic-image-generation-in-silverlight.aspx</a></p> <p>FreeImage: <a href="http://freeimage.sourceforge.net/" rel="nofollow noreferrer">http://freeimage.sourceforge.net/</a></p> <p>You can use any of these to encode various formats. Here's a post on saving a WriteableBitmap once it's baked:</p> <p><a href="http://community.irritatedvowel.com/blogs/pete_browns_blog/archive/2009/03/18/Silverlight-3-_1320_-The-Bitmap-API-_2F00_-WriteableBitmap.aspx" rel="nofollow noreferrer">http://community.irritatedvowel.com/blogs/pete_browns_blog/archive/2009/03/18/Silverlight-3-<em>1320</em>-The-Bitmap-API-<em>2F00</em>-WriteableBitmap.aspx</a></p> <p>UPDATE: After doing some more searching it looks like saving a WriteableBitmap to a file is limited in SL3 due to security issues. There is a workaround:</p> <p><a href="http://geekswithblogs.net/braulio/archive/2009/07/12/export-canvas-to-png-and-save-it-in-your-local.aspx" rel="nofollow noreferrer">http://geekswithblogs.net/braulio/archive/2009/07/12/export-canvas-to-png-and-save-it-in-your-local.aspx</a></p> <p>Looks like you have to save the contents of a Canvas to a file. You should be able to modify the sample to save JPEG or other formats.</p>

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