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Add coverage for colors (extended) (#385)

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This commit is contained in:
Arthur Sonzogni
2022-04-26 18:00:05 +02:00
committed by ArthurSonzogni
parent 04b36df567
commit 06ed8567b8
6 changed files with 113 additions and 11 deletions
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11
src/ftxui/screen/color.cpp
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@@ -170,7 +170,8 @@ Color Color::HSV(uint8_t h, uint8_t s, uint8_t v) {
// static
Color Color::Interpolate(float t, const Color& a, const Color& b) {
if (a.type_ == ColorType::Palette1) {
if (a.type_ == ColorType::Palette1 || //
b.type_ == ColorType::Palette1) {
if (t < 0.5F) { // NOLINT
return a;
} else {
@@ -178,14 +179,6 @@ Color Color::Interpolate(float t, const Color& a, const Color& b) {
}
}
if (b.type_ == ColorType::Palette1) {
if (t > 0.5F) { // NOLINT
return a;
} else {
return b;
}
}
auto get_color = [](const Color& color, //
uint8_t* red, uint8_t* green, uint8_t* blue) {
switch (color.type_) {

42
src/ftxui/screen/color_test.cpp
View File

@@ -40,6 +40,48 @@ TEST(ColorTest, FallbackTo16) {
EXPECT_EQ(Color::RGB(1,2,3).Print(false), "30");
}
TEST(ColorTest, Litterals) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
using namespace ftxui::literals;
EXPECT_EQ(Color(0xABCDEF_rgb).Print(false), "38;2;171;205;239");
}
TEST(ColorTest, Interpolate) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
EXPECT_EQ(Color::Interpolate(0.3f, Color(), Color()).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.3f, Color::Red, Color()).Print(false), "31");
EXPECT_EQ(Color::Interpolate(0.7f, Color::Red, Color()).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.3f, Color(), Color::Red).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.7f, Color(), Color::Red).Print(false), "31");
EXPECT_EQ(Color::Interpolate(0.3f, //
Color::RGB(1, 2, 3), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;73;74;39");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color::RGB(1, 2, 3), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;171;171;87");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color(Color::Red), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;209;170;86");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color::RGB(244, 244, 123), //
Color(Color::Plum1)) //
.Print(false),
"38;2;251;195;215");
}
TEST(ColorTest, HSV) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
EXPECT_EQ(Color::HSV(0, 255, 255).Print(false), "38;2;255;0;0");
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.