core: move colorspace handling to oklab (#8635)

* Meson: add hyprgraphics

* Nix: add hyprgraphics

* CI/setup_base: get hyprgraphics-git

---------

Co-authored-by: Mihai Fufezan <mihai@fufexan.net>

1 files changed, 43 insertions, 13 deletions

diff --git a/src/helpers/Color.cpp b/src/helpers/Color.cpp
index f9a207bb..fe217c0f 100644
--- a/src/helpers/Color.cpp
+++ b/src/helpers/Color.cpp
@@ -5,22 +5,52 @@
 #define GREEN(c) ((double)(((c) >> 8) & 0xff) / 255.0)
 #define BLUE(c)  ((double)(((c)) & 0xff) / 255.0)
 
-CColor::CColor() {}
+CHyprColor::CHyprColor() {}
 
-CColor::CColor(float r, float g, float b, float a) {
-    this->r = r;
-    this->g = g;
-    this->b = b;
-    this->a = a;
+CHyprColor::CHyprColor(float r_, float g_, float b_, float a_) {
+    r = r_;
+    g = g_;
+    b = b_;
+    a = a_;
+
+    okLab = Hyprgraphics::CColor(Hyprgraphics::CColor::SSRGB{r, g, b}).asOkLab();
 }
 
-CColor::CColor(uint64_t hex) {
-    this->r = RED(hex);
-    this->g = GREEN(hex);
-    this->b = BLUE(hex);
-    this->a = ALPHA(hex);
+CHyprColor::CHyprColor(uint64_t hex) {
+    r = RED(hex);
+    g = GREEN(hex);
+    b = BLUE(hex);
+    a = ALPHA(hex);
+
+    okLab = Hyprgraphics::CColor(Hyprgraphics::CColor::SSRGB{r, g, b}).asOkLab();
 }
 
-uint32_t CColor::getAsHex() const {
+CHyprColor::CHyprColor(const Hyprgraphics::CColor& color, float a_) {
+    const auto SRGB = color.asRgb();
+    r               = SRGB.r;
+    g               = SRGB.g;
+    b               = SRGB.b;
+    a               = a_;
+
+    okLab = color.asOkLab();
+}
+
+uint32_t CHyprColor::getAsHex() const {
     return (uint32_t)(a * 255.f) * 0x1000000 + (uint32_t)(r * 255.f) * 0x10000 + (uint32_t)(g * 255.f) * 0x100 + (uint32_t)(b * 255.f) * 0x1;
-}
\ No newline at end of file
+}
+
+Hyprgraphics::CColor::SSRGB CHyprColor::asRGB() const {
+    return {r, g, b};
+}
+
+Hyprgraphics::CColor::SOkLab CHyprColor::asOkLab() const {
+    return okLab;
+}
+
+Hyprgraphics::CColor::SHSL CHyprColor::asHSL() const {
+    return Hyprgraphics::CColor(okLab).asHSL();
+}
+
+CHyprColor CHyprColor::stripA() const {
+    return {r, g, b, 1.F};
+}