- BLEND_COMPOSITE=0, //!< Color A is composited onto B (Taking into about A's alpha)
- BLEND_STRAIGHT=1, //!< Straight linear interpolation from A->B (Alpha ignored)
- BLEND_BRIGHTEN=2, //!< If composite is brighter than B, use composite. B otherwise.
- BLEND_DARKEN=3, //!< If composite is brighter than B, use composite. B otherwise.
- BLEND_ADD=4, //!< Simple A+B.
- BLEND_SUBTRACT=5, //!< Simple A-B.
- BLEND_MULTIPLY=6, //!< Simple A*B.
- BLEND_DIVIDE=7, //!< Simple B/A
- BLEND_COLOR=8, //!< Preserves the U and V channels of color A
- BLEND_HUE=9, //!< Preserves the angle of the UV vector of color A
- BLEND_SATURATION=10,//!< Preserves the magnitude of the UV Vector of color A
- BLEND_LUMINANCE=11, //!< Preserves the Y channel of color A
- BLEND_BEHIND=12, //!< Similar to BLEND_COMPOSITE, except that B is composited onto A.
- BLEND_ONTO=13, //!< Similar to BLEND_COMPOSITE, except that B's alpha is maintained
- BLEND_SCREEN=16, //!< \writeme
- BLEND_OVERLAY=20, //!< \writeme
- BLEND_DIFFERENCE=18, //!< \writeme
+ BLEND_COMPOSITE=0, //!< Color A is composited onto B (Taking A's alpha into account)
+ BLEND_STRAIGHT=1, //!< Straight linear interpolation from A->B (Alpha ignored)
+ BLEND_ONTO=13, //!< Similar to BLEND_COMPOSITE, except that B's alpha is maintained
+ BLEND_STRAIGHT_ONTO=21, //!< <deprecated> \writeme
+ BLEND_BEHIND=12, //!< Similar to BLEND_COMPOSITE, except that B is composited onto A.
+ BLEND_SCREEN=16, //!< \writeme
+ BLEND_OVERLAY=20, //!< \writeme