Module sdl2::gfx::imagefilter[−][src]

Filter using AbsDiff: D = | S1 - S2 |.

Filter using Add: D = saturation255(S1 + S2).

Filter using AddByte: D = saturation255(S + C).

Filter using AddByteToHalf: D = saturation255(S/2 + C).

Filter using AddUint: D = saturation255((S[i] + Cs[i % 4]), Cs=Swap32((uint)C).

Filter using BinarizeUsingThreshold: D = (S >= T) ? 255:0.

Filter using BitAnd: D = S1 & S2.

Filter using BitNegation: D = !S.

Filter using BitOr: D = S1 | S2.

Filter using ClipToRange: D = (S >= Tmin) & (S <= Tmax) S:Tmin | Tmax.

Filter using Div: D = S1 / S2.

Filter using Mean: D = S1/2 + S2/2.

MMX detection routine (with override flag).

Disable MMX check for filter functions and and force to use non-MMX C based code.

Enable MMX check for filter functions and use MMX code if available.

Filter using Mult: D = saturation255(S1 * S2).

Filter using MultByByte: D = saturation255(S * C).

Filter using MultDivby2: D = saturation255(S1/2 * S2).

Filter using MultDivby4: D = saturation255(S1/2 * S2/2).

Filter using MultNor: D = S1 * S2.

Filter using NormalizeLinear: D = saturation255((Nmax - Nmin)/(Cmax - Cmin)*(S - Cmin) + Nmin).

Filter ShiftLeft: D = saturation255(S << N).

Filter using ShiftLeftByte: D = (S << N).

Filter using ShiftLeftUint: D = ((uint)S << N).

Filter using ShiftRight: D = saturation0(S >> N).

Filter using ShiftRightAndMultByByte: D = saturation255((S >> N) * C).

Filter using ShiftRightUint: D = saturation0((uint)S[i] >> N).

Filter using Sub: D = saturation0(S1 - S2).

Filter using SubByte: D = saturation0(S - C).

Filter using SubUint: D = saturation0(S[i] - Cs[i % 4]), Cs=Swap32((uint)C).