systemMethod
information
Color-sampling methods
systemMethod 0 method chosen by picture utilites
popularMethod 1 most frequently used colors
medianMethod 2 range of colors
Form and content of picture information
returnColorTable 1 returns colors in a color table
returnPalette 2 returns colors in a palette
recordComments 4 creates a handle to comments
recordFontInfo 8 creates a handle to fonts
suppressBlackAndWhite 16 suppresses black and white from color tables and
palettes
Color bank types
colorBankIsCustom -1 records colors you specify
colorBankIsExactAnd555 0 records exact colors
colorBankIs555 1 records colors in a 5-5-5 histogram