PyBLENDFUNCTION Object
Tuple of four small ints used to fill a BLENDFUNCTION struct
Each int must fit in a byte (0-255).
Win32 API References
Search for BLENDFUNCTION at msdn, google or google groups.
Items
- [0] int : BlendOp
- Only defined value is AC_SRC_OVER (0)
- [1] int : BlendFlags
- None currently defined, must be 0
- [2] int : SourceConstantAlpha
- Transparency to be applied to entire source. (255 is opaque)
- [3] int : AlphaFormat
- Only defined flag is AC_SRC_ALPHA, used when src bitmap contains per-pixel alpha