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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#pragma once
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// STL includes
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#include <cstdint>
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#include <iostream>
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struct ColorRgb;
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///
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/// Plain-Old-Data structure containing the red-green-blue color specification. Size of the
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/// structure is exactly 3-bytes for easy writing to led-device
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///
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struct ColorRgb
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{
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/// The red color channel
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uint8_t red;
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/// The green color channel
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uint8_t green;
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/// The blue color channel
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uint8_t blue;
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/// 'Black' RgbColor (0, 0, 0)
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static ColorRgb BLACK;
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/// 'Red' RgbColor (255, 0, 0)
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static ColorRgb RED;
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/// 'Green' RgbColor (0, 255, 0)
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static ColorRgb GREEN;
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/// 'Blue' RgbColor (0, 0, 255)
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static ColorRgb BLUE;
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/// 'Yellow' RgbColor (255, 255, 0)
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static ColorRgb YELLOW;
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/// 'White' RgbColor (255, 255, 255)
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static ColorRgb WHITE;
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};
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/// Assert to ensure that the size of the structure is 'only' 3 bytes
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static_assert(sizeof(ColorRgb) == 3, "Incorrect size of ColorRgb");
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///
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/// Stream operator to write ColorRgb to an outputstream (format "'{'[red]','[green]','[blue]'}'")
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///
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/// @param os The output stream
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/// @param color The color to write
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/// @return The output stream (with the color written to it)
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///
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inline std::ostream& operator<<(std::ostream& os, const ColorRgb& color)
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{
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os << "{" << unsigned(color.red) << "," << unsigned(color.green) << "," << unsigned(color.blue) << "}";
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return os;
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}
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/// Compare operator to check if a color is 'smaller' than another color
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inline bool operator<(const ColorRgb & lhs, const ColorRgb & rhs)
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{
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return (lhs.red < rhs.red) && (lhs.green < rhs.green) && (lhs.blue < rhs.blue);
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}
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/// Compare operator to check if a color is 'smaller' than or 'equal' to another color
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inline bool operator<=(const ColorRgb & lhs, const ColorRgb & rhs)
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{
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return (lhs.red <= rhs.red) && (lhs.green <= rhs.green) && (lhs.blue <= rhs.blue);
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}
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