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Refactor color utils (#955)

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Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>
This commit is contained in:
Murat Seker
2020-08-08 13:22:37 +02:00
committed by GitHub
parent 63d95a5a2a
commit a18ccb8b48
20 changed files with 181 additions and 120 deletions
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33
include/utils/ColorBgr.h
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@@ -17,18 +17,19 @@ struct ColorBgr
/// The red color channel
uint8_t red;
/// 'Black' RgbColor (0, 0, 0)
static ColorBgr BLACK;
static const ColorBgr BLACK;
/// 'Red' RgbColor (255, 0, 0)
static ColorBgr RED;
static const ColorBgr RED;
/// 'Green' RgbColor (0, 255, 0)
static ColorBgr GREEN;
static const ColorBgr GREEN;
/// 'Blue' RgbColor (0, 0, 255)
static ColorBgr BLUE;
static const ColorBgr BLUE;
/// 'Yellow' RgbColor (255, 255, 0)
static ColorBgr YELLOW;
static const ColorBgr YELLOW;
/// 'White' RgbColor (255, 255, 255)
static ColorBgr WHITE;
static const ColorBgr WHITE;
};
/// Assert to ensure that the size of the structure is 'only' 3 bytes
@@ -43,19 +44,33 @@ static_assert(sizeof(ColorBgr) == 3, "Incorrect size of ColorBgr");
///
inline std::ostream& operator<<(std::ostream& os, const ColorBgr& color)
{
os << "{" << unsigned(color.red) << "," << unsigned(color.green) << "," << unsigned(color.blue) << "}";
os << "{"
<< color.red << ","
<< color.green << ","
<< color.blue
<< "}";
return os;
}
/// Compare operator to check if a color is 'equal' to another color
inline bool operator==(const ColorBgr & lhs, const ColorBgr & rhs)
{
return (lhs.red == rhs.red) &&
(lhs.green == rhs.green) &&
(lhs.blue == rhs.blue);
}
/// Compare operator to check if a color is 'smaller' than another color
inline bool operator<(const ColorBgr & lhs, const ColorBgr & rhs)
{
return (lhs.red < rhs.red) && (lhs.green < rhs.green) && (lhs.blue < rhs.blue);
return (lhs.red < rhs.red) &&
(lhs.green < rhs.green) &&
(lhs.blue < rhs.blue);
}
/// Compare operator to check if a color is 'smaller' than or 'equal' to another color
inline bool operator<=(const ColorBgr & lhs, const ColorBgr & rhs)
{
return (lhs.red <= rhs.red) && (lhs.green <= rhs.green) && (lhs.blue <= rhs.blue);
return lhs < rhs || lhs == rhs;
}