LYGIA Shader Library

lch2lab (lygia/color/space/lch2lab)

Converts a Lch ot Lab color space. Note: LCh is simply Lab but converted to polar coordinates (in degrees).

Use:

<vec3|vec4> lch2lab(<vec3|vec4> color)

Check it on Github


#ifndef FNC_LCH2LAB
#define FNC_LCH2LAB
vec3 lch2lab(vec3 lch) {
    return vec3(
        lch.x,
        lch.y * cos(lch.z * 0.01745329251),
        lch.y * sin(lch.z * 0.01745329251)
    );
}
vec4 lch2lab(vec4 lch) { return vec4(lch2lab(lch.xyz),lch.a);}
#endif

Use:

<float3|float4> lch2lab(<float3|float4> color)

Check it on Github


#ifndef FNC_LCH2LAB
#define FNC_LCH2LAB
float3 lch2lab(float3 lch) {
    return float3(
        lch.x,
        lch.y * cos(lch.z * 0.01745329251),
        lch.y * sin(lch.z * 0.01745329251)
    );
}
float4 lch2lab(float4 lch) { return float4(lch2lab(lch.xyz),lch.a);}
#endif

Use:

<float3|float4> lch2lab(<float3|float4> color)

Check it on Github


#ifndef FNC_LCH2LAB
#define FNC_LCH2LAB
float3 lch2lab(float3 lch) {
    return float3(
        lch.x,
        lch.y * cos(lch.z * 0.01745329251),
        lch.y * sin(lch.z * 0.01745329251)
    );
}
float4 lch2lab(float4 lch) { return float4(lch2lab(lch.xyz),lch.a);}
#endif

Check it on Github


fn lch2lab(lch: vec3f) -> vec3f {
    return vec3f(
        lch.x,
        lch.y * cos(lch.z * 0.01745329251),
        lch.y * sin(lch.z * 0.01745329251)
    );
}

Licenses

LYGIA is dual-licensed under the Prosperity License and the Patron License for sponsors and contributors.

Sponsors and contributors are automatically added to the Patron License and they can ignore the any non-commercial rule of the Prosperity Licensed software (please take a look to the exception).

It's also possible to get a permanent comercial license hook to a single and specific version of LYGIA.

Get the latest news and releases

Sign up for the news letter bellow, joing the LYGIA's channel on Discord or follow the Github repository