## Display Device Driver Reference for OS/2

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### eddb_BltThroughClips and eddb_DrawThroughClips (EDDNBBLT.C)

These two routines are in EDDNBBLT.C, but they are not actually a part of BitBlt. Instead, they are called by other parts of the driver that need to enumerate through the clip regions, while performing a drawing operation. Both take as an argument a pointer to a function. This function is one of the worker functions in the pDrawFunctions table. These are simplified, mini-versions of PixBltThroughClips.