diff options
Diffstat (limited to 'core/src/Utils')
-rw-r--r-- | core/src/Utils/Color.hpp | 382 | ||||
-rw-r--r--[-rwxr-xr-x] | core/src/Utils/Size.hpp | 0 |
2 files changed, 191 insertions, 191 deletions
diff --git a/core/src/Utils/Color.hpp b/core/src/Utils/Color.hpp index 5f4691f..8e159ea 100644 --- a/core/src/Utils/Color.hpp +++ b/core/src/Utils/Color.hpp @@ -1,191 +1,191 @@ -#pragma once
-
-#include "Utils/Vector.hpp"
-#include "Utils/fwd.hpp"
-
-#include <imgui.h>
-#include <algorithm>
-#include <cstdint>
-#include <limits>
-
-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 << 24;
- res |= g << 16;
- res |= b << 8;
- res |= a;
- 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 Vec4i AsVec4i() const noexcept
- {
- return Vec4i{ r, g, b, a };
- }
-
- constexpr Vec4f AsVec4f() const noexcept
- {
- return Vec4f{
- GetNormalizedRed(),
- GetNormalizedGreen(),
- GetNormalizedBlue(),
- GetNormalizedAlpha(),
- };
- }
-
- ImVec4 AsImVec() const
- {
- auto v = AsVec4f();
- return ImVec4{ v.x, v.y, v.z, v.w };
- }
-
- ImColor AsImColor() const
- {
- auto v = AsVec4f();
- return ImColor{ v.x, v.y, v.z, v.w };
- }
-
- constexpr void SetVec(const Vec4f& vec) noexcept
- {
- r = (uint8_t)(vec.x * 255.0f);
- g = (uint8_t)(vec.y * 255.0f);
- b = (uint8_t)(vec.z * 255.0f);
- a = (uint8_t)(vec.w * 255.0f);
- }
-
- // Forward declaring because cyclic reference between RgbaColor and HsvColor
- constexpr HsvColor ToHsv() const noexcept;
-
- friend constexpr bool operator==(const RgbaColor&, const RgbaColor&) noexcept = default;
-};
-
-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 fr = GetNormalizedRed();
- float fg = GetNormalizedBlue();
- float fb = GetNormalizedGreen();
- float fa = GetNormalizedAlpha();
-
- auto p = fg < fb ? Vec4f{ fb, fg, -1, 2.0f / 3.0f } : Vec4f{ fg, fb, 0, -1.0f / 3.0f };
- auto q = fr < p.x ? Vec4f{ p.x, p.y, p.w, fr } : Vec4f{ fr, p.y, p.z, p.x };
- float c = q.x - std::min(q.w, q.y);
- float h = std::abs((q.w - q.y) / (6 * c + std::numeric_limits<float>::epsilon()) + q.z);
-
- Vec3f hcv{ h, c, q.x };
- float s = hcv.y / (hcv.z + std::numeric_limits<float>::epsilon());
- return HsvColor(hcv.x, s, hcv.z, fa);
-}
-
-constexpr RgbaColor HsvColor::ToRgba() const noexcept
-{
- float r = std::abs(h * 6 - 3) - 1;
- float g = 2 - std::abs(h * 6 - 2);
- float b = 2 - std::abs(h * 6 - 4);
-
- auto rgb = Vec3f{
- std::clamp(r, 0.0f, 1.0f),
- std::clamp(g, 0.0f, 1.0f),
- std::clamp(b, 0.0f, 1.0f),
- };
- auto vc = (rgb - Vec3f{ 0, 0, 0 }) * s + Vec3f{ 1, 1, 1 } * v;
-
- return RgbaColor(vc.x, vc.y, vc.z, a);
-}
+#pragma once + +#include "Utils/Vector.hpp" +#include "Utils/fwd.hpp" + +#include <imgui.h> +#include <algorithm> +#include <cstdint> +#include <limits> + +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 << 24; + res |= g << 16; + res |= b << 8; + res |= a; + 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 Vec4i AsVec4i() const noexcept + { + return Vec4i{ r, g, b, a }; + } + + constexpr Vec4f AsVec4f() const noexcept + { + return Vec4f{ + GetNormalizedRed(), + GetNormalizedGreen(), + GetNormalizedBlue(), + GetNormalizedAlpha(), + }; + } + + ImVec4 AsImVec() const + { + auto v = AsVec4f(); + return ImVec4{ v.x, v.y, v.z, v.w }; + } + + ImColor AsImColor() const + { + auto v = AsVec4f(); + return ImColor{ v.x, v.y, v.z, v.w }; + } + + constexpr void SetVec(const Vec4f& vec) noexcept + { + r = (uint8_t)(vec.x * 255.0f); + g = (uint8_t)(vec.y * 255.0f); + b = (uint8_t)(vec.z * 255.0f); + a = (uint8_t)(vec.w * 255.0f); + } + + // Forward declaring because cyclic reference between RgbaColor and HsvColor + constexpr HsvColor ToHsv() const noexcept; + + friend constexpr bool operator==(const RgbaColor&, const RgbaColor&) noexcept = default; +}; + +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 fr = GetNormalizedRed(); + float fg = GetNormalizedBlue(); + float fb = GetNormalizedGreen(); + float fa = GetNormalizedAlpha(); + + auto p = fg < fb ? Vec4f{ fb, fg, -1, 2.0f / 3.0f } : Vec4f{ fg, fb, 0, -1.0f / 3.0f }; + auto q = fr < p.x ? Vec4f{ p.x, p.y, p.w, fr } : Vec4f{ fr, p.y, p.z, p.x }; + float c = q.x - std::min(q.w, q.y); + float h = std::abs((q.w - q.y) / (6 * c + std::numeric_limits<float>::epsilon()) + q.z); + + Vec3f hcv{ h, c, q.x }; + float s = hcv.y / (hcv.z + std::numeric_limits<float>::epsilon()); + return HsvColor(hcv.x, s, hcv.z, fa); +} + +constexpr RgbaColor HsvColor::ToRgba() const noexcept +{ + float r = std::abs(h * 6 - 3) - 1; + float g = 2 - std::abs(h * 6 - 2); + float b = 2 - std::abs(h * 6 - 4); + + auto rgb = Vec3f{ + std::clamp(r, 0.0f, 1.0f), + std::clamp(g, 0.0f, 1.0f), + std::clamp(b, 0.0f, 1.0f), + }; + auto vc = (rgb - Vec3f{ 0, 0, 0 }) * s + Vec3f{ 1, 1, 1 } * v; + + return RgbaColor(vc.x, vc.y, vc.z, a); +} diff --git a/core/src/Utils/Size.hpp b/core/src/Utils/Size.hpp index 98be41a..98be41a 100755..100644 --- a/core/src/Utils/Size.hpp +++ b/core/src/Utils/Size.hpp |