Describes the method used by the IDXSurfaceModifier interface for compositing operations.
Syntax
typedef enum DXSURFMODCOMPOP {
DXSURFMOD_COMP_OVER = 0,
DXSURFMOD_COMP_ALPHA_MASK = 1,
DXSURFMOD_COMP_MAX_VALID = 1
} DXSURFMODCOMPOP;
Constants
DXSURFMOD_COMP_OVER
Flag that specifies that the foreground surface is rendered directly over the background surface.DXSURFMOD_COMP_ALPHA_MASK
Flag that specifies that the foreground surface is rendered over the background surface scaled by the background's alpha channel.DXSURFMOD_COMP_MAX_VALID
Flag used by the interface to check for valid input.
Requirements
Minimum supported client |
Windows XP |
Minimum supported server |
Windows 2000 Server |
Header |
Dxtrans.h |
IDL |
Dxtrans.idl |
See also
Reference