Implementing palettes:
L_CopyBitmapPalette
L_CreatePaintPalette
L_DupPalette
L_GetBitmapColors
L_GetFixedPalette
L_IsGrayScaleBitmap
L_PutBitmapColors
L_TranslateBitmapColor
Implementing window leveling:
(Document and Medical Imaging toolkits)
L_GetMinMaxBits
L_GetMinMaxVal
L_WindowLevel
L_WindowLevelBitmap
L_WindowLevelFillLUT