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Improve color handling. (#49)

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This commit is contained in:
Arthur Sonzogni
2020-10-16 22:31:24 +02:00
committed by GitHub
parent 6a35efa3b7
commit d969c74341
12 changed files with 531 additions and 388 deletions
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37
src/ftxui/screen/color.cpp
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@@ -6,6 +6,18 @@
namespace ftxui {
namespace {
const wchar_t* palette16code[16][2] = {
{L"30", L"40"}, {L"31", L"41"}, {L"32", L"42"}, {L"33", L"43"},
{L"34", L"44"},
{L"35", L"45"}, {L"36", L"46"}, {L"37", L"47"},
{L"90", L"100"}, {L"91", L"101"}, {L"92", L"102"}, {L"93", L"103"},
{L"94", L"104"}, {L"95", L"105"}, {L"96", L"106"}, {L"97", L"107"},
};
}
bool Color::operator==(const Color& rhs) const {
return red_ == rhs.red_ && green_ == rhs.green_ && blue_ == rhs.blue_ &&
type_ == rhs.type_;
@@ -17,28 +29,31 @@ bool Color::operator!=(const Color& rhs) const {
std::wstring Color::Print(bool is_background_color) const {
switch (type_) {
case ColorType::Palette1:
return is_background_color ? L"49" : L"39";
case ColorType::Palette16:
return to_wstring(
std::to_string((is_background_color ? 10 : 0) + index_));
return palette16code[index_][is_background_color];
case ColorType::Palette256:
return to_wstring(std::to_string(is_background_color ? 48 : 38) //
+ ";5;" //
+ std::to_string(index_)); //
return (is_background_color ? L"48;5;" : L"38;5") + to_wstring(index_);
case ColorType::TrueColor:
return to_wstring(std::to_string(is_background_color ? 48 : 38) //
+ ";2;" //
+ std::to_string(red_) + ";" //
+ std::to_string(green_) + ";" //
+ std::to_string(blue_)); //
return (is_background_color ? L"48;2;" : L"38;2;") //
+ to_wstring(red_) + L";" //
+ to_wstring(green_) + L";" //
+ to_wstring(blue_); //
}
return L"";
}
/// @brief Build a transparent color.
/// @ingroup screen
Color::Color() : type_(ColorType::Palette16), index_(Palette16::Default) {}
Color::Color() : type_(ColorType::Palette1) {}
/// @brief Build a transparent color.
/// @ingroup screen
Color::Color(Palette1) : type_(ColorType::Palette1) {}
/// @brief Build a transparent using Palette16 colors.
/// @ingroup screen