brighten8_lin()

LIB8STATIC uint8_t brighten8_lin

(

uint8_t

x

)

Brighten a value (inverse of dim8_lin())

Definition at line 744 of file scale8.h.

                                            {
    uint8_t ix = 255 - x;
    if (ix & 0x80) {
        ix = scale8(ix, ix);
    } else {
        ix += 1;
        ix /= 2;
    }
    return 255 - ix;
}

References LIB8STATIC, scale8(), and x.

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