diff options
author | rtk0c <[email protected]> | 2023-10-19 22:50:07 -0700 |
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committer | rtk0c <[email protected]> | 2025-08-16 11:31:16 -0700 |
commit | 297232d21594b138bb368a42b5b0d085ff9ed6aa (patch) | |
tree | 075d5407e1e12a9d35cbee6e4c20ad34e0765c42 /source/10-common/Color.hpp | |
parent | d5cd34ff69f7fd134d5450696f298af1a864afbc (diff) |
The great renaming: switch to "module style"
Diffstat (limited to 'source/10-common/Color.hpp')
-rw-r--r-- | source/10-common/Color.hpp | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/source/10-common/Color.hpp b/source/10-common/Color.hpp deleted file mode 100644 index ef0c5a9..0000000 --- a/source/10-common/Color.hpp +++ /dev/null @@ -1,148 +0,0 @@ -#pragma once - -#include "Utils.hpp" - -#include <algorithm> -#include <cstdint> -#include <glm/glm.hpp> -#include <limits> - -class HsvColor; -class RgbaColor { -public: - uint8_t r; - uint8_t g; - uint8_t b; - uint8_t a; - -public: - constexpr RgbaColor() noexcept - : r{ 255 } - , g{ 255 } - , b{ 255 } - , a{ 255 } { - } - - constexpr RgbaColor(float r, float g, float b, float a = 1.0f) noexcept - : r{ static_cast<uint8_t>(r * 255.0f) } - , g{ static_cast<uint8_t>(g * 255.0f) } - , b{ static_cast<uint8_t>(b * 255.0f) } - , a{ static_cast<uint8_t>(a * 255.0f) } { - } - - constexpr RgbaColor(int r, int g, int b, int a = 255) noexcept - : r{ static_cast<uint8_t>(r & 0xFF) } - , g{ static_cast<uint8_t>(g & 0xFF) } - , b{ static_cast<uint8_t>(b & 0xFF) } - , a{ static_cast<uint8_t>(a & 0xFF) } { - } - - constexpr RgbaColor(uint32_t rgba) noexcept - : r{ static_cast<uint8_t>((rgba >> 0) & 0xFF) } - , g{ static_cast<uint8_t>((rgba >> 8) & 0xFF) } - , b{ static_cast<uint8_t>((rgba >> 16) & 0xFF) } - , a{ static_cast<uint8_t>((rgba >> 24) & 0xFF) } { - } - - constexpr uint32_t GetScalar() const noexcept { - uint32_t res = 0; - res |= r << 0; - res |= g << 8; - res |= b << 16; - res |= a << 24; - return res; - } - - constexpr void SetScalar(uint32_t scalar) noexcept { - r = (scalar >> 0) & 0xFF; - g = (scalar >> 8) & 0xFF; - b = (scalar >> 16) & 0xFF; - a = (scalar >> 24) & 0xFF; - } - - constexpr float GetNormalizedRed() const noexcept { - return r / 255.0f; - } - - constexpr float GetNormalizedGreen() const noexcept { - return g / 255.0f; - } - - constexpr float GetNormalizedBlue() const noexcept { - return b / 255.0f; - } - - constexpr float GetNormalizedAlpha() const noexcept { - return a / 255.0f; - } - - constexpr glm::ivec4 ToIVec() const noexcept { - return { r, g, b, a }; - } - - constexpr glm::vec4 ToVec() const noexcept { - return { GetNormalizedRed(), GetNormalizedGreen(), GetNormalizedBlue(), GetNormalizedAlpha() }; - } - - // Forward declaring because cyclic reference between RgbaColor and HsvColor - constexpr HsvColor ToHsv() const noexcept; - - friend constexpr bool operator==(const RgbaColor&, const RgbaColor&) noexcept = default; -}; - -constexpr RgbaColor kXAxisColor(0xFF, 0x80, 0x80, 0xFF); -constexpr RgbaColor kYAxisColor(0x80, 0xFF, 0x80, 0xFF); -constexpr RgbaColor kZAxisColor(0x80, 0x80, 0xFF, 0xFF); - -class HsvColor { -public: - float h; - float s; - float v; - float a; - -public: - constexpr HsvColor() noexcept - : h{ 0.0f } - , s{ 0.0f } - , v{ 1.0f } - , a{ 1.0f } { - } - - constexpr HsvColor(float h, float s, float v, float a) noexcept - : h{ h } - , s{ s } - , v{ v } - , a{ a } { - } - - // Forward declaring because cyclic reference between RgbaColor and HsvColor - constexpr RgbaColor ToRgba() const noexcept; -}; - -constexpr HsvColor RgbaColor::ToHsv() const noexcept { - float r = GetNormalizedRed(); - float g = GetNormalizedBlue(); - float b = GetNormalizedGreen(); - float a = GetNormalizedAlpha(); - - auto p = g < b ? glm::vec4(b, g, -1, 2.0f / 3.0f) : glm::vec4(g, b, 0, -1.0f / 3.0f); - auto q = r < p.x ? glm::vec4(p.x, p.y, p.w, r) : glm::vec4(r, p.y, p.z, p.x); - float c = q.x - std::min(q.w, q.y); - float h = Utils::Abs((q.w - q.y) / (6 * c + std::numeric_limits<float>::epsilon()) + q.z); - - glm::vec3 hcv{ h, c, q.x }; - float s = hcv.y / (hcv.z + std::numeric_limits<float>::epsilon()); - return HsvColor(hcv.x, s, hcv.z, a); -} - -constexpr RgbaColor HsvColor::ToRgba() const noexcept { - float r = Utils::Abs(h * 6 - 3) - 1; - float g = 2 - Utils::Abs(h * 6 - 2); - float b = 2 - Utils::Abs(h * 6 - 4); - - auto rgb = glm::vec3{ std::clamp(r, 0.0f, 1.0f), std::clamp(g, 0.0f, 1.0f), std::clamp(b, 0.0f, 1.0f) }; - auto vc = (rgb - glm::vec3{ 0, 0, 0 }) * s + glm::vec3{ 1, 1, 1 } * v; - - return RgbaColor(vc.x, vc.y, vc.z, a); -} |