The WinG API is a small set of functions for manipulating DIBs in the same way that device dependent bitmaps are manipulated in Windows.
WinGDCs and WinGBitmaps
WinGCreateDCCreate a new WinGDC
WinGCreateBitmap Create a new WinGBitmap
WinGGetDIBPointer Return the DIB pointer to a WinGBitmap
WinGRecommendDIBFormat Recommend an optimal DIB format for memory-to-screen blts
WinGGetDIBColorTable Return the DIB color table of a selected WinGBitmap
WinGSetDIBColorTable Set the DIB color table of a selected WinGBitmap
Blts
WinGBitBlt Copy a WinGDC to the screen DC
WinGStretchBlt Copy a WinGDC to the screen DC with stretching
Halftoning
WinGCreateHalftoneBrush Create a halftone brush
WinGCreateHalftonePalette Create a copy of the WinG halftone palette
WING_DITHER_TYPE Dither types for halftone brushes