45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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/// Represents a 4-channel color value, with Red, Green, Blue, and Alpha components.
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#include <cstdint>
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#include <string>
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#include <Color3.hpp>
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using u8 = uint8_t;
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class Color4 {
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public:
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u8 r;
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u8 g;
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u8 b;
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u8 a;
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public:
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Color4() = default;
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explicit Color4(const Color3& color3, u8 alpha = 255);
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Color4(u8 red, u8 green, u8 blue, u8 alpha = 255);
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static Color4 FromColor3(const Color3& color3, u8 alpha = 255);
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static Color4 FromHex(const std::string& hexCode, u8 alpha = 255);
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public:
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u8 RedChannel() const;
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u8 GreenChannel() const;
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u8 BlueChannel() const;
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u8 AlphaChannel() const;
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float RedChannelNormalized() const;
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float GreenChannelNormalized() const;
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float BlueChannelNormalized() const;
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float AlphaChannelNormalized() const;
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[[nodiscard]] float RN() const { return RedChannelNormalized(); }
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[[nodiscard]] float GN() const { return GreenChannelNormalized(); }
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[[nodiscard]] float BN() const { return BlueChannelNormalized(); }
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int* ptr() { return reinterpret_cast<int *>(&r);}
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[[nodiscard]] const int* ptr() const { return reinterpret_cast<const int *>(&r);}
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}; |