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CColor: Use initializer_list version of std::min/std::max where applicable 

Same behavior, but less verbose.
This commit is contained in:
Lioncash 2019-09-05 21:21:32 -04:00
parent 63ecd31813
commit 53c6c115fe
1 changed files with 19 additions and 15 deletions
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34
src/CColor.cpp
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@ -53,22 +53,24 @@ void CColor::fromHSV(float h, float s, float v, float _a) {
} }
void CColor::toHSV(float& h, float& s, float& v) const { void CColor::toHSV(float& h, float& s, float& v) const {
float min = std::min(r(), std::min(g(), b())); const float min = std::min({r(), g(), b()});
float max = std::max(r(), std::max(g(), b())); const float max = std::max({r(), g(), b()});
v = max; v = max;
float delta = max - min; const float delta = max - min;
s = max == 0.f ? 0.f : delta / max; s = max == 0.f ? 0.f : delta / max;
if (max == min) if (max == min) {
h = 0.f; h = 0.f;
else { } else {
if (max == r()) if (max == r()) {
h = (g() - b()) / delta + (g() < b() ? 6.f : 0.f); h = (g() - b()) / delta + (g() < b() ? 6.f : 0.f);
else if (max == g()) } else if (max == g()) {
h = (b() - r()) / delta + 2.f; h = (b() - r()) / delta + 2.f;
else if (max == b()) } else if (max == b()) {
h = (r() - g()) / delta + 4.f; h = (r() - g()) / delta + 4.f;
}
h /= 6.f; h /= 6.f;
} }
} }
@ -87,20 +89,22 @@ void CColor::fromHSL(float h, float s, float l, float _a) {
} }
void CColor::toHSL(float& h, float& s, float& l) const { void CColor::toHSL(float& h, float& s, float& l) const {
const float min = std::min(r(), std::min(g(), b())); const float min = std::min({r(), g(), b()});
const float max = std::max(r(), std::max(g(), b())); const float max = std::max({r(), g(), b()});
const float d = max - min; const float d = max - min;
if (max == min) if (max == min) {
h = s = 0.f; h = s = 0.f;
else { } else {
s = l > 0.5f ? d / (2.f - max - min) : d / (max + min); s = l > 0.5f ? d / (2.f - max - min) : d / (max + min);
if (max == r())
if (max == r()) {
h = (g() - b()) / d + (g() < b() ? 6.f : 0.f); h = (g() - b()) / d + (g() < b() ? 6.f : 0.f);
else if (max == g()) } else if (max == g()) {
h = (b() - r()) / d + 2.f; h = (b() - r()) / d + 2.f;
else if (max == b()) } else if (max == b()) {
h = (r() - g()) / d + 4.f; h = (r() - g()) / d + 4.f;
}
h /= 6.f; h /= 6.f;
} }