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authorrtk0c <[email protected]>2022-05-30 17:03:20 -0700
committerrtk0c <[email protected]>2022-05-30 17:03:20 -0700
commite66286ebe30afc9acc4531fc2bea29b7fb924f93 (patch)
treefa6b76554c3eb88bc8f088fbab68e20c40118ca7 /source/Color.hpp
parent366ef5a5450c6e0e680c924c3454943a9ae9814d (diff)
Changeset: 56 Buildsystem cleanup: change to layered structure for different targets
Diffstat (limited to 'source/Color.hpp')
-rw-r--r--source/Color.hpp148
1 files changed, 0 insertions, 148 deletions
diff --git a/source/Color.hpp b/source/Color.hpp
deleted file mode 100644
index ef0c5a9..0000000
--- a/source/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);
-}