Luna::Color::adjust_contrast

Float4 adjust_contrast(const Float4 &color, f32 contrast)

Adjusts color contrast.

The color contrast is adjusted as follows:

[Float4](struct_luna_1_1_float4.md) ret = ((color - 0.5f) * contrast) + 0.5f;
ret.[w](struct_luna_1_1_float4_1adb390a9d0e1ce3b726f016e547104e35.md) = color.w;
return ret;

Parameters

• in color

  The color to adjust.

• in contrast

  The contrast scale.

Return value

Returns the adjusted color.