Re: Icon glyphs does not handle standard transparency.
Ok, I found where the problem lies.
The input image data is 32 bit. The "Create mask.vi" call "Unflatten Pixmap.vi" which strip the alpha transparency. The stripping result is that all transparent area are converted to black pixels, therefore your code that does the smart flood fill can not do anything. This is more a limitation of the native picture manipulations VIs that a problem in your code. I guess the best workaround is to replace alpha transparent pixel by white pixels.