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Fix Wshadow warning in Color::Interpolate (#727)

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Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Stefan Ravn van Overeem 2023-08-17 22:18:33 +02:00 committed by GitHub
parent acbdb50747
commit f7304c28c3
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1 changed files with 6 additions and 6 deletions
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12
src/ftxui/screen/color.cpp
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@ -224,17 +224,17 @@ Color Color::Interpolate(float t, const Color& a, const Color& b) {
// Gamma correction:
// https://en.wikipedia.org/wiki/Gamma_correction
auto interp = [](uint8_t a, uint8_t b, float t) {
auto interp = [t](uint8_t a_u, uint8_t b_u) {
constexpr float gamma = 2.2F;
const float a_f = powf(a, gamma);
const float b_f = powf(b, gamma);
const float a_f = powf(a_u, gamma);
const float b_f = powf(b_u, gamma);
const float c_f = a_f * (1.0F - t) + //
b_f * t;
return static_cast<uint8_t>(powf(c_f, 1.F / gamma));
};
return Color::RGB(interp(a_r, b_r, t), //
interp(a_g, b_g, t), //
interp(a_b, b_b, t)); //
return Color::RGB(interp(a_r, b_r), //
interp(a_g, b_g), //
interp(a_b, b_b)); //
}
inline namespace literals {