83 : R(r), G(g), B(b), A(a)
94 inline vpRGBa(
unsigned char v) : R(v), G(v), B(v), A(v) {}
116 vpRGBa &operator=(
const unsigned char &v);
118#if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
122 bool operator==(
const vpRGBa &v)
const;
123 bool operator!=(
const vpRGBa &v)
const;
132 bool operator<(
const vpRGBa &v)
const;
133 bool operator>(
const vpRGBa &v)
const;
135 friend VISP_EXPORT std::ostream &operator<<(std::ostream &os,
const vpRGBa &rgba);