// Read the bits per pixel of Windows cursors & icons from the image.

// nOffset: position of the header.
function getCurIcoBPP(nOffset)
{
    var nBPP=0;
    nOffset=Binary.readDword(nOffset+12);
    if(Binary.readDword(nOffset)==0x28)
    {
        nBPP=Binary.readWord(nOffset+14);
    }
    else if(Binary.compare("89'PNG\r\n'1A0A",nOffset))
    {
        // Just assume a PNG is going to be 8-bit RGBA.
        nBPP=32;
    }
    return nBPP;
}