Silverlight Pixel Api

Lets say I have a black and white .jpeg image. How could I change the wh开发者_StackOverflow中文版ite pixels in the jpeg image to red using the hexidecimal format (ie going from #FFFFFFFF to #FFFF4F4B)?

You could also use a Pixel Shader Bitmap Effect. Here is a similar example.

if you are using silverlight 3 then you should look at WriteableBitmap here is a sample