3 files changed, 17 insertions, 20 deletions
diff --git a/include/cru/platform/Color.h b/include/cru/platform/Color.h
index 0d7bce5b..2b38138a 100644
--- a/include/cru/platform/Color.h
+++ b/include/cru/platform/Color.h
@@ -257,6 +257,11 @@ extern const std::unordered_map<StringView, Color> predefined_name_color_map;
 
 std::optional<Color> GetPredefinedColorByName(StringView name);
 
+inline String ToString(const Color& color) {
+  return cru::Format(u"rgba({}, {}, {}, {})", color.red, color.green,
+                     color.blue, color.alpha);
+}
+
 struct CRU_PLATFORM_API HslColor {
   HslColor() = default;
   HslColor(float h, float s, float l, float a = 1.0f)
@@ -271,10 +276,3 @@ struct CRU_PLATFORM_API HslColor {
   float a;
 };
 }  // namespace cru::platform
-
-namespace cru {
-inline String ToString(const platform::Color& color) {
-  return cru::Format(u"rgba({}, {}, {}, {})", color.red, color.green,
-                     color.blue, color.alpha);
-}
-}  // namespace cru
diff --git a/include/cru/platform/GraphicsBase.h b/include/cru/platform/GraphicsBase.h
index 88dc6ee2..f134e74d 100644
--- a/include/cru/platform/GraphicsBase.h
+++ b/include/cru/platform/GraphicsBase.h
@@ -5,7 +5,11 @@
 #include "cru/common/Range.h"
 #include "cru/common/String.h"
 
+#include <cstdint>
 #include <limits>
+#include <optional>
+#include <string>
+#include <utility>
 
 namespace cru::platform {
 struct Size;
@@ -43,6 +47,10 @@ constexpr bool operator!=(const Point& left, const Point& right) {
   return !(left == right);
 }
 
+inline String ToString(const Point& point) {
+  return Format(u"(x: {}, y: {})", point.x, point.y);
+}
+
 struct CRU_PLATFORM_API Size final {
   static const Size kMax;
   static const Size kZero;
@@ -80,6 +88,10 @@ constexpr bool operator!=(const Size& left, const Size& right) {
   return !(left == right);
 }
 
+inline String ToString(const Size& size) {
+  return Format(u"(width: {}, height: {})", size.width, size.height);
+}
+
 struct Thickness final {
   constexpr Thickness() : Thickness(0) {}
 
@@ -278,14 +290,3 @@ constexpr bool operator!=(const Ellipse& left, const Ellipse& right) {
 
 using TextRange = Range;
 }  // namespace cru::platform
-
-namespace cru {
-
-inline String ToString(const platform::Point& point) {
-  return Format(u"(x: {}, y: {})", point.x, point.y);
-}
-inline String ToString(const platform::Size& size) {
-  return Format(u"(width: {}, height: {})", size.width, size.height);
-}
-
-}  // namespace cru
diff --git a/include/cru/platform/graphics/quartz/Brush.h b/include/cru/platform/graphics/quartz/Brush.h
index f3579771..d5714293 100644
--- a/include/cru/platform/graphics/quartz/Brush.h
+++ b/include/cru/platform/graphics/quartz/Brush.h
@@ -6,8 +6,6 @@
 
 #include <CoreGraphics/CoreGraphics.h>
 
-#include <functional>
-
 namespace cru::platform::graphics::quartz {
 class QuartzBrush : public OsxQuartzResource, public virtual IBrush {
  public: