![]() | Reference Manual - 0.9.25 | ||
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Set the alpha ramp for formats with one or two alpha bits.
SetAlphaRamp ( | ||||
IDirectFBSurface | * | thiz, | ||
__u8 | a0, | |||
__u8 | a1, | |||
__u8 | a2, | |||
__u8 | a3 | |||
); |
Either all four values or the first and the last one are used, depending on the format. Default values are: 0x00, 0x55, 0xaa, 0xff.