2 files changed, 10 insertions, 3 deletions
diff --git a/include/cru/platform/graphic_base.hpp b/include/cru/platform/graphic_base.hpp
index 2aa4e2cb..fd479e56 100644
--- a/include/cru/platform/graphic_base.hpp
+++ b/include/cru/platform/graphic_base.hpp
@@ -239,8 +239,14 @@ struct Color {
       : red(red), green(green), blue(blue), alpha(alpha) {}
 
   constexpr static Color FromHex(std::uint32_t hex) {
-    return Color(hex & (0b11111111 << 16), hex & (0b11111111 << 8),
-                 hex & (0b11111111), hex & (0b11111111 << 24));
+    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);
   }
 
   std::uint8_t red;
@@ -254,4 +260,4 @@ constexpr Color black{0, 0, 0};
 constexpr Color white{255, 255, 255};
 constexpr Color skyblue = Color::FromHex(0x87ceeb);
 }  // namespace colors
-}  // namespace cru::ui
+}  // namespace cru::platform
diff --git a/include/cru/platform/native/native_window.hpp b/include/cru/platform/native/native_window.hpp
index b557a0dd..d4e608b4 100644
--- a/include/cru/platform/native/native_window.hpp
+++ b/include/cru/platform/native/native_window.hpp
@@ -62,6 +62,7 @@ class NativeWindow : public NativeResource {
   virtual bool CaptureMouse() = 0;
   virtual bool ReleaseMouse() = 0;
 
+  virtual void Repaint() = 0;
   virtual graph::Painter* BeginPaint() = 0;
 
   virtual IEvent<std::nullptr_t>* DestroyEvent() = 0;