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Animation (#355)

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This commit is contained in:
Arthur Sonzogni
2022-03-13 18:51:46 +01:00
committed by GitHub
parent 95c766e9e4
commit 4da63b9260
43 changed files with 2439 additions and 654 deletions
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71
src/ftxui/screen/color.cpp
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@@ -145,6 +145,77 @@ Color Color::HSV(uint8_t h, uint8_t s, uint8_t v) {
return Color(0, 0, 0);
}
// static
Color Color::Interpolate(float t, const Color& a, const Color& b) {
float red;
float green;
float blue;
switch (a.type_) {
case ColorType::Palette1: {
if (t < 0.5)
return a;
else
return b;
}
case ColorType::Palette16: {
ColorInfo info = GetColorInfo(Color::Palette16(a.index_));
red = info.red * (1 - t);
green = info.green * (1 - t);
blue = info.blue * (1 - t);
break;
}
case ColorType::Palette256: {
ColorInfo info = GetColorInfo(Color::Palette256(a.index_));
red = info.red * (1 - t);
green = info.green * (1 - t);
blue = info.blue * (1 - t);
break;
}
case ColorType::TrueColor: {
red = a.red_ * (1 - t);
green = a.green_ * (1 - t);
blue = a.blue_ * (1 - t);
break;
}
}
switch (b.type_) {
case ColorType::Palette1: {
if (t > 0.5)
return a;
else
return b;
}
case ColorType::Palette16: {
ColorInfo info = GetColorInfo(Color::Palette16(b.index_));
red += info.red * t;
green += info.green * t;
blue += info.blue * t;
break;
}
case ColorType::Palette256: {
ColorInfo info = GetColorInfo(Color::Palette256(b.index_));
red += info.red * t;
green += info.green * t;
blue += info.blue * t;
break;
}
case ColorType::TrueColor: {
red += b.red_ * t;
green += b.green_ * t;
blue += b.blue_ * t;
break;
}
}
return Color::RGB(red, green, blue);
}
inline namespace literals {
Color operator""_rgb(unsigned long long int combined) {