...

3 files changed, 278 insertions, 181 deletions

diff --git a/include/cru/platform/Color.hpp b/include/cru/platform/Color.hpp
new file mode 100644
index 00000000..d1a9b678
--- /dev/null
+++ b/include/cru/platform/Color.hpp
@@ -0,0 +1,250 @@
+#pragma once
+#include "boost/functional/hash.hpp"
+
+#include <cstdint>
+#include <optional>
+#include <string_view>
+#include <unordered_map>
+
+namespace cru::platform {
+struct Color {
+  constexpr Color() : Color(0, 0, 0, 255) {}
+  constexpr Color(std::uint8_t red, std::uint8_t green, std::uint8_t blue,
+                  std::uint8_t alpha = 255)
+      : red(red), green(green), blue(blue), alpha(alpha) {}
+
+  constexpr static Color FromHex(std::uint32_t hex) {
+    const std::uint32_t mask = 0b11111111;
+    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask, 255);
+  }
+
+  constexpr static Color FromHexAlpha(std::uint32_t hex) {
+    const std::uint32_t mask = 0b11111111;
+    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask,
+                 (hex >> 24) & mask);
+  }
+
+  constexpr Color WithAlpha(std::uint8_t new_alpha) const {
+    auto result = *this;
+    result.alpha = new_alpha;
+    return result;
+  }
+
+  std::uint8_t red;
+  std::uint8_t green;
+  std::uint8_t blue;
+  std::uint8_t alpha;
+
+  static std::optional<Color> Parse(std::u16string_view string,
+                                    bool parse_predefined_color = true);
+};
+
+constexpr int Compare(const Color& left, const Color& right) {
+  if (left.red < right.red) return -1;
+  if (left.red > right.red) return 1;
+  if (left.green < right.green) return -1;
+  if (left.green > right.green) return 1;
+  if (left.blue < right.blue) return -1;
+  if (left.blue > right.blue) return 1;
+  if (left.alpha < right.alpha) return -1;
+  if (left.alpha > right.alpha) return 1;
+  return 0;
+}
+
+constexpr bool operator==(const Color& left, const Color& right) {
+  return Compare(left, right) == 0;
+}
+
+constexpr bool operator!=(const Color& left, const Color& right) {
+  return Compare(left, right) != 0;
+}
+
+constexpr bool operator<(const Color& left, const Color& right) {
+  return Compare(left, right) < 0;
+}
+
+constexpr bool operator<=(const Color& left, const Color& right) {
+  return Compare(left, right) <= 0;
+}
+
+constexpr bool operator>(const Color& left, const Color& right) {
+  return Compare(left, right) > 0;
+}
+
+constexpr bool operator>=(const Color& left, const Color& right) {
+  return Compare(left, right) >= 0;
+}
+
+namespace colors {
+constexpr Color transparent = Color::FromHexAlpha(0x00000000);
+constexpr Color black = Color::FromHex(0x000000);
+constexpr Color silver = Color::FromHex(0xc0c0c0);
+constexpr Color gray = Color::FromHex(0x808080);
+constexpr Color white = Color::FromHex(0xffffff);
+constexpr Color maroon = Color::FromHex(0x800000);
+constexpr Color red = Color::FromHex(0xff0000);
+constexpr Color purple = Color::FromHex(0x800080);
+constexpr Color fuchsia = Color::FromHex(0xff00ff);
+constexpr Color green = Color::FromHex(0x008000);
+constexpr Color lime = Color::FromHex(0x00ff00);
+constexpr Color olive = Color::FromHex(0x808000);
+constexpr Color yellow = Color::FromHex(0xffff00);
+constexpr Color navy = Color::FromHex(0x000080);
+constexpr Color blue = Color::FromHex(0x0000ff);
+constexpr Color teal = Color::FromHex(0x008080);
+constexpr Color aqua = Color::FromHex(0x00ffff);
+constexpr Color orange = Color::FromHex(0xffa500);
+constexpr Color aliceblue = Color::FromHex(0xf0f8ff);
+constexpr Color antiquewhite = Color::FromHex(0xfaebd7);
+constexpr Color aquamarine = Color::FromHex(0x7fffd4);
+constexpr Color azure = Color::FromHex(0xf0ffff);
+constexpr Color beige = Color::FromHex(0xf5f5dc);
+constexpr Color bisque = Color::FromHex(0xffe4c4);
+constexpr Color blanchedalmond = Color::FromHex(0xffebcd);
+constexpr Color blueviolet = Color::FromHex(0x8a2be2);
+constexpr Color brown = Color::FromHex(0xa52a2a);
+constexpr Color burlywood = Color::FromHex(0xdeb887);
+constexpr Color cadetblue = Color::FromHex(0x5f9ea0);
+constexpr Color chartreuse = Color::FromHex(0x7fff00);
+constexpr Color chocolate = Color::FromHex(0xd2691e);
+constexpr Color coral = Color::FromHex(0xff7f50);
+constexpr Color cornflowerblue = Color::FromHex(0x6495ed);
+constexpr Color cornsilk = Color::FromHex(0xfff8dc);
+constexpr Color crimson = Color::FromHex(0xdc143c);
+constexpr Color cyan = aqua;
+constexpr Color darkblue = Color::FromHex(0x00008b);
+constexpr Color darkcyan = Color::FromHex(0x008b8b);
+constexpr Color darkgoldenrod = Color::FromHex(0xb8860b);
+constexpr Color darkgray = Color::FromHex(0xa9a9a9);
+constexpr Color darkgreen = Color::FromHex(0x006400);
+constexpr Color darkgrey = Color::FromHex(0xa9a9a9);
+constexpr Color darkkhaki = Color::FromHex(0xbdb76b);
+constexpr Color darkmagenta = Color::FromHex(0x8b008b);
+constexpr Color darkolivegreen = Color::FromHex(0x556b2f);
+constexpr Color darkorange = Color::FromHex(0xff8c00);
+constexpr Color darkorchid = Color::FromHex(0x9932cc);
+constexpr Color darkred = Color::FromHex(0x8b0000);
+constexpr Color darksalmon = Color::FromHex(0xe9967a);
+constexpr Color darkseagreen = Color::FromHex(0x8fbc8f);
+constexpr Color darkslateblue = Color::FromHex(0x483d8b);
+constexpr Color darkslategray = Color::FromHex(0x2f4f4f);
+constexpr Color darkslategrey = Color::FromHex(0x2f4f4f);
+constexpr Color darkturquoise = Color::FromHex(0x00ced1);
+constexpr Color darkviolet = Color::FromHex(0x9400d3);
+constexpr Color deeppink = Color::FromHex(0xff1493);
+constexpr Color deepskyblue = Color::FromHex(0x00bfff);
+constexpr Color dimgray = Color::FromHex(0x696969);
+constexpr Color dimgrey = Color::FromHex(0x696969);
+constexpr Color dodgerblue = Color::FromHex(0x1e90ff);
+constexpr Color firebrick = Color::FromHex(0xb22222);
+constexpr Color floralwhite = Color::FromHex(0xfffaf0);
+constexpr Color forestgreen = Color::FromHex(0x228b22);
+constexpr Color gainsboro = Color::FromHex(0xdcdcdc);
+constexpr Color ghostwhite = Color::FromHex(0xf8f8ff);
+constexpr Color gold = Color::FromHex(0xffd700);
+constexpr Color goldenrod = Color::FromHex(0xdaa520);
+constexpr Color greenyellow = Color::FromHex(0xadff2f);
+constexpr Color grey = Color::FromHex(0x808080);
+constexpr Color honeydew = Color::FromHex(0xf0fff0);
+constexpr Color hotpink = Color::FromHex(0xff69b4);
+constexpr Color indianred = Color::FromHex(0xcd5c5c);
+constexpr Color indigo = Color::FromHex(0x4b0082);
+constexpr Color ivory = Color::FromHex(0xfffff0);
+constexpr Color khaki = Color::FromHex(0xf0e68c);
+constexpr Color lavender = Color::FromHex(0xe6e6fa);
+constexpr Color lavenderblush = Color::FromHex(0xfff0f5);
+constexpr Color lawngreen = Color::FromHex(0x7cfc00);
+constexpr Color lemonchiffon = Color::FromHex(0xfffacd);
+constexpr Color lightblue = Color::FromHex(0xadd8e6);
+constexpr Color lightcoral = Color::FromHex(0xf08080);
+constexpr Color lightcyan = Color::FromHex(0xe0ffff);
+constexpr Color lightgoldenrodyellow = Color::FromHex(0xfafad2);
+constexpr Color lightgray = Color::FromHex(0xd3d3d3);
+constexpr Color lightgreen = Color::FromHex(0x90ee90);
+constexpr Color lightgrey = Color::FromHex(0xd3d3d3);
+constexpr Color lightpink = Color::FromHex(0xffb6c1);
+constexpr Color lightsalmon = Color::FromHex(0xffa07a);
+constexpr Color lightseagreen = Color::FromHex(0x20b2aa);
+constexpr Color lightskyblue = Color::FromHex(0x87cefa);
+constexpr Color lightslategray = Color::FromHex(0x778899);
+constexpr Color lightslategrey = Color::FromHex(0x778899);
+constexpr Color lightsteelblue = Color::FromHex(0xb0c4de);
+constexpr Color lightyellow = Color::FromHex(0xffffe0);
+constexpr Color limegreen = Color::FromHex(0x32cd32);
+constexpr Color linen = Color::FromHex(0xfaf0e6);
+constexpr Color magenta = fuchsia;
+constexpr Color mediumaquamarine = Color::FromHex(0x66cdaa);
+constexpr Color mediumblue = Color::FromHex(0x0000cd);
+constexpr Color mediumorchid = Color::FromHex(0xba55d3);
+constexpr Color mediumpurple = Color::FromHex(0x9370db);
+constexpr Color mediumseagreen = Color::FromHex(0x3cb371);
+constexpr Color mediumslateblue = Color::FromHex(0x7b68ee);
+constexpr Color mediumspringgreen = Color::FromHex(0x00fa9a);
+constexpr Color mediumturquoise = Color::FromHex(0x48d1cc);
+constexpr Color mediumvioletred = Color::FromHex(0xc71585);
+constexpr Color midnightblue = Color::FromHex(0x191970);
+constexpr Color mintcream = Color::FromHex(0xf5fffa);
+constexpr Color mistyrose = Color::FromHex(0xffe4e1);
+constexpr Color moccasin = Color::FromHex(0xffe4b5);
+constexpr Color navajowhite = Color::FromHex(0xffdead);
+constexpr Color oldlace = Color::FromHex(0xfdf5e6);
+constexpr Color olivedrab = Color::FromHex(0x6b8e23);
+constexpr Color orangered = Color::FromHex(0xff4500);
+constexpr Color orchid = Color::FromHex(0xda70d6);
+constexpr Color palegoldenrod = Color::FromHex(0xeee8aa);
+constexpr Color palegreen = Color::FromHex(0x98fb98);
+constexpr Color paleturquoise = Color::FromHex(0xafeeee);
+constexpr Color palevioletred = Color::FromHex(0xdb7093);
+constexpr Color papayawhip = Color::FromHex(0xffefd5);
+constexpr Color peachpuff = Color::FromHex(0xffdab9);
+constexpr Color peru = Color::FromHex(0xcd853f);
+constexpr Color pink = Color::FromHex(0xffc0cb);
+constexpr Color plum = Color::FromHex(0xdda0dd);
+constexpr Color powderblue = Color::FromHex(0xb0e0e6);
+constexpr Color rosybrown = Color::FromHex(0xbc8f8f);
+constexpr Color royalblue = Color::FromHex(0x4169e1);
+constexpr Color saddlebrown = Color::FromHex(0x8b4513);
+constexpr Color salmon = Color::FromHex(0xfa8072);
+constexpr Color sandybrown = Color::FromHex(0xf4a460);
+constexpr Color seagreen = Color::FromHex(0x2e8b57);
+constexpr Color seashell = Color::FromHex(0xfff5ee);
+constexpr Color sienna = Color::FromHex(0xa0522d);
+constexpr Color skyblue = Color::FromHex(0x87ceeb);
+constexpr Color slateblue = Color::FromHex(0x6a5acd);
+constexpr Color slategray = Color::FromHex(0x708090);
+constexpr Color slategrey = Color::FromHex(0x708090);
+constexpr Color snow = Color::FromHex(0xfffafa);
+constexpr Color springgreen = Color::FromHex(0x00ff7f);
+constexpr Color steelblue = Color::FromHex(0x4682b4);
+constexpr Color tan = Color::FromHex(0xd2b48c);
+constexpr Color thistle = Color::FromHex(0xd8bfd8);
+constexpr Color tomato = Color::FromHex(0xff6347);
+constexpr Color turquoise = Color::FromHex(0x40e0d0);
+constexpr Color violet = Color::FromHex(0xee82ee);
+constexpr Color wheat = Color::FromHex(0xf5deb3);
+constexpr Color whitesmoke = Color::FromHex(0xf5f5f5);
+constexpr Color yellowgreen = Color::FromHex(0x9acd32);
+constexpr Color rebeccapurple = Color::FromHex(0x663399);
+}  // namespace colors
+}  // namespace cru::platform
+
+template <>
+struct std::hash<cru::platform::Color> {
+  std::size_t operator()(const cru::platform::Color& color) const {
+    std::size_t seed = 0;
+    boost::hash_combine(seed, color.red);
+    boost::hash_combine(seed, color.green);
+    boost::hash_combine(seed, color.blue);
+    boost::hash_combine(seed, color.alpha);
+    return seed;
+  }
+};
+
+namespace cru::platform {
+namespace details {
+extern const std::unordered_map<std::u16string_view, Color>
+    predefined_name_color_map;
+}  // namespace details
+
+std::optional<Color> GetPredefinedColorByName(std::u16string_view name);
+}  // namespace cru::platform
diff --git a/include/cru/platform/GraphBase.hpp b/include/cru/platform/GraphBase.hpp
index 4d3c8f83..c4dd19f6 100644
--- a/include/cru/platform/GraphBase.hpp
+++ b/include/cru/platform/GraphBase.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include "cru/common/Base.hpp"
 
+#include "Color.hpp"
 #include "cru/common/Format.hpp"
 
 #include <fmt/core.h>
@@ -303,185 +304,4 @@ struct TextRange final {
   gsl::index position = 0;
   gsl::index count = 0;
 };
-
-struct Color {
-  constexpr Color() : Color(0, 0, 0, 255) {}
-  constexpr Color(std::uint8_t red, std::uint8_t green, std::uint8_t blue,
-                  std::uint8_t alpha = 255)
-      : red(red), green(green), blue(blue), alpha(alpha) {}
-
-  constexpr static Color FromHex(std::uint32_t hex) {
-    const std::uint32_t mask = 0b11111111;
-    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask, 255);
-  }
-
-  constexpr static Color FromHexAlpha(std::uint32_t hex) {
-    const std::uint32_t mask = 0b11111111;
-    return Color((hex >> 16) & mask, (hex >> 8) & mask, hex & mask,
-                 (hex >> 24) & mask);
-  }
-
-  constexpr Color WithAlpha(std::uint8_t new_alpha) const {
-    auto result = *this;
-    result.alpha = new_alpha;
-    return result;
-  }
-
-  std::uint8_t red;
-  std::uint8_t green;
-  std::uint8_t blue;
-  std::uint8_t alpha;
-};
-
-namespace colors {
-constexpr Color transparent = Color::FromHexAlpha(0x00000000);
-constexpr Color black = Color::FromHex(0x000000);
-constexpr Color silver = Color::FromHex(0xc0c0c0);
-constexpr Color gray = Color::FromHex(0x808080);
-constexpr Color white = Color::FromHex(0xffffff);
-constexpr Color maroon = Color::FromHex(0x800000);
-constexpr Color red = Color::FromHex(0xff0000);
-constexpr Color purple = Color::FromHex(0x800080);
-constexpr Color fuchsia = Color::FromHex(0xff00ff);
-constexpr Color green = Color::FromHex(0x008000);
-constexpr Color lime = Color::FromHex(0x00ff00);
-constexpr Color olive = Color::FromHex(0x808000);
-constexpr Color yellow = Color::FromHex(0xffff00);
-constexpr Color navy = Color::FromHex(0x000080);
-constexpr Color blue = Color::FromHex(0x0000ff);
-constexpr Color teal = Color::FromHex(0x008080);
-constexpr Color aqua = Color::FromHex(0x00ffff);
-constexpr Color orange = Color::FromHex(0xffa500);
-constexpr Color aliceblue = Color::FromHex(0xf0f8ff);
-constexpr Color antiquewhite = Color::FromHex(0xfaebd7);
-constexpr Color aquamarine = Color::FromHex(0x7fffd4);
-constexpr Color azure = Color::FromHex(0xf0ffff);
-constexpr Color beige = Color::FromHex(0xf5f5dc);
-constexpr Color bisque = Color::FromHex(0xffe4c4);
-constexpr Color blanchedalmond = Color::FromHex(0xffebcd);
-constexpr Color blueviolet = Color::FromHex(0x8a2be2);
-constexpr Color brown = Color::FromHex(0xa52a2a);
-constexpr Color burlywood = Color::FromHex(0xdeb887);
-constexpr Color cadetblue = Color::FromHex(0x5f9ea0);
-constexpr Color chartreuse = Color::FromHex(0x7fff00);
-constexpr Color chocolate = Color::FromHex(0xd2691e);
-constexpr Color coral = Color::FromHex(0xff7f50);
-constexpr Color cornflowerblue = Color::FromHex(0x6495ed);
-constexpr Color cornsilk = Color::FromHex(0xfff8dc);
-constexpr Color crimson = Color::FromHex(0xdc143c);
-constexpr Color cyan = aqua;
-constexpr Color darkblue = Color::FromHex(0x00008b);
-constexpr Color darkcyan = Color::FromHex(0x008b8b);
-constexpr Color darkgoldenrod = Color::FromHex(0xb8860b);
-constexpr Color darkgray = Color::FromHex(0xa9a9a9);
-constexpr Color darkgreen = Color::FromHex(0x006400);
-constexpr Color darkgrey = Color::FromHex(0xa9a9a9);
-constexpr Color darkkhaki = Color::FromHex(0xbdb76b);
-constexpr Color darkmagenta = Color::FromHex(0x8b008b);
-constexpr Color darkolivegreen = Color::FromHex(0x556b2f);
-constexpr Color darkorange = Color::FromHex(0xff8c00);
-constexpr Color darkorchid = Color::FromHex(0x9932cc);
-constexpr Color darkred = Color::FromHex(0x8b0000);
-constexpr Color darksalmon = Color::FromHex(0xe9967a);
-constexpr Color darkseagreen = Color::FromHex(0x8fbc8f);
-constexpr Color darkslateblue = Color::FromHex(0x483d8b);
-constexpr Color darkslategray = Color::FromHex(0x2f4f4f);
-constexpr Color darkslategrey = Color::FromHex(0x2f4f4f);
-constexpr Color darkturquoise = Color::FromHex(0x00ced1);
-constexpr Color darkviolet = Color::FromHex(0x9400d3);
-constexpr Color deeppink = Color::FromHex(0xff1493);
-constexpr Color deepskyblue = Color::FromHex(0x00bfff);
-constexpr Color dimgray = Color::FromHex(0x696969);
-constexpr Color dimgrey = Color::FromHex(0x696969);
-constexpr Color dodgerblue = Color::FromHex(0x1e90ff);
-constexpr Color firebrick = Color::FromHex(0xb22222);
-constexpr Color floralwhite = Color::FromHex(0xfffaf0);
-constexpr Color forestgreen = Color::FromHex(0x228b22);
-constexpr Color gainsboro = Color::FromHex(0xdcdcdc);
-constexpr Color ghostwhite = Color::FromHex(0xf8f8ff);
-constexpr Color gold = Color::FromHex(0xffd700);
-constexpr Color goldenrod = Color::FromHex(0xdaa520);
-constexpr Color greenyellow = Color::FromHex(0xadff2f);
-constexpr Color grey = Color::FromHex(0x808080);
-constexpr Color honeydew = Color::FromHex(0xf0fff0);
-constexpr Color hotpink = Color::FromHex(0xff69b4);
-constexpr Color indianred = Color::FromHex(0xcd5c5c);
-constexpr Color indigo = Color::FromHex(0x4b0082);
-constexpr Color ivory = Color::FromHex(0xfffff0);
-constexpr Color khaki = Color::FromHex(0xf0e68c);
-constexpr Color lavender = Color::FromHex(0xe6e6fa);
-constexpr Color lavenderblush = Color::FromHex(0xfff0f5);
-constexpr Color lawngreen = Color::FromHex(0x7cfc00);
-constexpr Color lemonchiffon = Color::FromHex(0xfffacd);
-constexpr Color lightblue = Color::FromHex(0xadd8e6);
-constexpr Color lightcoral = Color::FromHex(0xf08080);
-constexpr Color lightcyan = Color::FromHex(0xe0ffff);
-constexpr Color lightgoldenrodyellow = Color::FromHex(0xfafad2);
-constexpr Color lightgray = Color::FromHex(0xd3d3d3);
-constexpr Color lightgreen = Color::FromHex(0x90ee90);
-constexpr Color lightgrey = Color::FromHex(0xd3d3d3);
-constexpr Color lightpink = Color::FromHex(0xffb6c1);
-constexpr Color lightsalmon = Color::FromHex(0xffa07a);
-constexpr Color lightseagreen = Color::FromHex(0x20b2aa);
-constexpr Color lightskyblue = Color::FromHex(0x87cefa);
-constexpr Color lightslategray = Color::FromHex(0x778899);
-constexpr Color lightslategrey = Color::FromHex(0x778899);
-constexpr Color lightsteelblue = Color::FromHex(0xb0c4de);
-constexpr Color lightyellow = Color::FromHex(0xffffe0);
-constexpr Color limegreen = Color::FromHex(0x32cd32);
-constexpr Color linen = Color::FromHex(0xfaf0e6);
-constexpr Color magenta = fuchsia;
-constexpr Color mediumaquamarine = Color::FromHex(0x66cdaa);
-constexpr Color mediumblue = Color::FromHex(0x0000cd);
-constexpr Color mediumorchid = Color::FromHex(0xba55d3);
-constexpr Color mediumpurple = Color::FromHex(0x9370db);
-constexpr Color mediumseagreen = Color::FromHex(0x3cb371);
-constexpr Color mediumslateblue = Color::FromHex(0x7b68ee);
-constexpr Color mediumspringgreen = Color::FromHex(0x00fa9a);
-constexpr Color mediumturquoise = Color::FromHex(0x48d1cc);
-constexpr Color mediumvioletred = Color::FromHex(0xc71585);
-constexpr Color midnightblue = Color::FromHex(0x191970);
-constexpr Color mintcream = Color::FromHex(0xf5fffa);
-constexpr Color mistyrose = Color::FromHex(0xffe4e1);
-constexpr Color moccasin = Color::FromHex(0xffe4b5);
-constexpr Color navajowhite = Color::FromHex(0xffdead);
-constexpr Color oldlace = Color::FromHex(0xfdf5e6);
-constexpr Color olivedrab = Color::FromHex(0x6b8e23);
-constexpr Color orangered = Color::FromHex(0xff4500);
-constexpr Color orchid = Color::FromHex(0xda70d6);
-constexpr Color palegoldenrod = Color::FromHex(0xeee8aa);
-constexpr Color palegreen = Color::FromHex(0x98fb98);
-constexpr Color paleturquoise = Color::FromHex(0xafeeee);
-constexpr Color palevioletred = Color::FromHex(0xdb7093);
-constexpr Color papayawhip = Color::FromHex(0xffefd5);
-constexpr Color peachpuff = Color::FromHex(0xffdab9);
-constexpr Color peru = Color::FromHex(0xcd853f);
-constexpr Color pink = Color::FromHex(0xffc0cb);
-constexpr Color plum = Color::FromHex(0xdda0dd);
-constexpr Color powderblue = Color::FromHex(0xb0e0e6);
-constexpr Color rosybrown = Color::FromHex(0xbc8f8f);
-constexpr Color royalblue = Color::FromHex(0x4169e1);
-constexpr Color saddlebrown = Color::FromHex(0x8b4513);
-constexpr Color salmon = Color::FromHex(0xfa8072);
-constexpr Color sandybrown = Color::FromHex(0xf4a460);
-constexpr Color seagreen = Color::FromHex(0x2e8b57);
-constexpr Color seashell = Color::FromHex(0xfff5ee);
-constexpr Color sienna = Color::FromHex(0xa0522d);
-constexpr Color skyblue = Color::FromHex(0x87ceeb);
-constexpr Color slateblue = Color::FromHex(0x6a5acd);
-constexpr Color slategray = Color::FromHex(0x708090);
-constexpr Color slategrey = Color::FromHex(0x708090);
-constexpr Color snow = Color::FromHex(0xfffafa);
-constexpr Color springgreen = Color::FromHex(0x00ff7f);
-constexpr Color steelblue = Color::FromHex(0x4682b4);
-constexpr Color tan = Color::FromHex(0xd2b48c);
-constexpr Color thistle = Color::FromHex(0xd8bfd8);
-constexpr Color tomato = Color::FromHex(0xff6347);
-constexpr Color turquoise = Color::FromHex(0x40e0d0);
-constexpr Color violet = Color::FromHex(0xee82ee);
-constexpr Color wheat = Color::FromHex(0xf5deb3);
-constexpr Color whitesmoke = Color::FromHex(0xf5f5f5);
-constexpr Color yellowgreen = Color::FromHex(0x9acd32);
-constexpr Color rebeccapurple = Color::FromHex(0x663399);
-}  // namespace colors
 }  // namespace cru::platform
diff --git a/include/cru/ui/ThemeManager.hpp b/include/cru/ui/ThemeManager.hpp
new file mode 100644
index 00000000..c9e17680
--- /dev/null
+++ b/include/cru/ui/ThemeManager.hpp
@@ -0,0 +1,27 @@
+#pragma once
+#include "Base.hpp"
+#include "cru/common/Base.hpp"
+#include "cru/common/Event.hpp"
+
+#include <boost/property_tree/ptree.hpp>
+#include <cstddef>
+
+namespace cru::ui {
+class ThemeManager : public Object {
+ public:
+  ThemeManager();
+
+  CRU_DELETE_COPY(ThemeManager)
+  CRU_DELETE_MOVE(ThemeManager)
+
+  ~ThemeManager() override;
+
+  IEvent<std::nullptr_t>* ThemeResourceChangeEvent() {
+    return &theme_resource_change_event_;
+  }
+
+ private:
+  Event<std::nullptr_t> theme_resource_change_event_;
+  boost::property_tree::iptree theme_tree_;
+};
+}  // namespace cru::ui