blend8()

LIB8STATIC uint8_t blend8	(	uint8_t	a,
		uint8_t	b,
		uint8_t	amountOfB )

Blend a variable proportion (0-255) of one byte to another.

Parameters

a	the starting byte value
b	the byte value to blend toward
amountOfB	the proportion (0-255) of b to blend

Returns

a byte value between a and b, inclusive

Definition at line 683 of file math8.h.

                                                                   {
    // This version loses precision in the integer math
    // and can actually return results outside of the range
    // from a to b.  Its use is not recommended.
    uint8_t result;
    uint8_t amountOfA = 255 - amountOfB;
    result = scale8_LEAVING_R1_DIRTY(a, amountOfA) +
             scale8_LEAVING_R1_DIRTY(b, amountOfB);
    cleanup_R1();
    return result;
}

References cleanup_R1(), LIB8STATIC, and scale8_LEAVING_R1_DIRTY().

Referenced by CRGB::blend(), and fl::nblend().

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