Changeset 581 for Common/Theme.pas

Timestamp:

Dec 10, 2024, 4:50:34 PM (12 days ago)

Author:

chronos

Message:

• Modified: Improved Common package.

File:

• Common/Theme.pas (modified) (3 diffs)

Common/Theme.pas

@@ -30 +30 @@
   private
     FTheme: TTheme;
+    function Gray(C: TColor): Byte;
     procedure SetTheme(AValue: TTheme);
     procedure SetThemeName(AValue: TTheme);
@@ -35 +36 @@
     Used: Boolean;
     Themes: TThemes;
+    function IsDarkTheme: Boolean;
     procedure ApplyTheme(Component: TComponent);
     constructor Create(AOwner: TComponent); override;
@@ -93 +95 @@
     Strings.EndUpdate;
   end;
+end;
+
+{ TThemeManager }
+
+function TThemeManager.Gray(C: TColor): Byte;
+begin
+  Result := Trunc(Red(C) * 0.3 + Green(C) * 0.59 + Blue(C) * 0.11);
+end;
+
+function TThemeManager.IsDarkTheme: Boolean;
+begin
+  Result := Gray(ColorToRGB(clWindow)) < Gray(ColorToRGB(clWindowText));
 end;