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4/8/2010
Pixel formats dictate how data for each pixel in surface memory is to be interpreted. DirectDraw uses the DDPIXELFORMATstructure to describe various pixel formats. The DDPIXELFORMATcontains members to describe the following traits of a pixel format:
- Palettized or non-palettized pixel format
- If non-palettized, whether the pixel format is RGB or YUV
- Bit depth
- Bit masks for the pixel format's components
You can retrieve information about an existing surface's pixel format by calling the IDirectDrawSurface::GetPixelFormatmethod.