This is a bug fix for alpha channel blending as submitted by Jan. WriteableBitmap in Sivlerlight uses pre-multiplied values for the colors when there is transparency involved (see MSDN Article), so PNGWriter must de-multiply the values.  unfortunately this is not a … Continue reading →

I’ve released two libraries for Windows Phone, one is a CRC library, supporting both CRC32 and Adler32 CRC functions, the other is and PNG writer for WriteableBitmaps. Both of these libraries are eventually going to be used in Live Titles to support … Continue reading →