更新

WPFDark/Controls/BiaCheckBox.xaml.cs

@@ -0,0 +1,125 @@
+using System.Windows;
+using System.Windows.Media;
+
+using WPFDark.Internals;
+
+namespace WPFDark.Controls
+{
+    public class BiaCheckBox : BiaToggleButton
+    {
+        #region BoxBorderColor
+
+        public ByteColor BoxBorderColor
+        {
+            get => _boxBorderColor;
+            set
+            {
+                if (value != _boxBorderColor)
+                    SetValue(BoxBorderColorProperty, value);
+            }
+        }
+
+        private ByteColor _boxBorderColor = ByteColor.Transparent;
+
+        public static readonly DependencyProperty BoxBorderColorProperty =
+            DependencyProperty.Register(nameof(BoxBorderColor), typeof(ByteColor), typeof(BiaCheckBox),
+                new FrameworkPropertyMetadata(
+                    Boxes.ByteColorTransparent,
+                    FrameworkPropertyMetadataOptions.AffectsRender |
+                    FrameworkPropertyMetadataOptions.SubPropertiesDoNotAffectRender,
+                    (s, e) =>
+                    {
+                        var self = (BiaCheckBox) s;
+                        self._boxBorderColor = (ByteColor) e.NewValue;
+                    }));
+
+        #endregion
+
+        #region MarkBrush
+
+        public Brush? MarkBrush
+        {
+            get => _MarkBrush;
+            set
+            {
+                if (value != _MarkBrush)
+                    SetValue(MarkBrushProperty, value);
+            }
+        }
+
+        private Brush? _MarkBrush;
+
+        public static readonly DependencyProperty MarkBrushProperty =
+            DependencyProperty.Register(nameof(MarkBrush), typeof(Brush), typeof(BiaCheckBox),
+                new FrameworkPropertyMetadata(
+                    default(Brush),
+                    FrameworkPropertyMetadataOptions.AffectsRender |
+                    FrameworkPropertyMetadataOptions.SubPropertiesDoNotAffectRender,
+                    (s, e) =>
+                    {
+                        var self = (BiaCheckBox) s;
+                        self._MarkBrush = (Brush) e.NewValue;
+                    }));
+
+        #endregion
+        
+        static BiaCheckBox()
+        {
+            DefaultStyleKeyProperty.OverrideMetadata(typeof(BiaCheckBox),
+                new FrameworkPropertyMetadata(typeof(BiaCheckBox)));
+        }
+
+        protected override void OnRender(DrawingContext dc)
+        {
+            if (ActualWidth <= 1 ||
+                ActualHeight <= 1)
+                return;
+            
+            var rounder = new LayoutRounder(this);
+
+            DrawBackground(rounder, dc);
+
+            // ボックス
+            dc.DrawRoundedRectangle(
+                Background,
+                rounder.GetBorderPen(BoxBorderColor),
+                rounder.RoundLayoutRect(
+                    0 + FrameworkElementExtensions.BorderHalfWidth, 
+                    2 + FrameworkElementExtensions.BorderHalfWidth,
+                    16 - FrameworkElementExtensions.BorderWidth,
+                    16 - FrameworkElementExtensions.BorderWidth),
+                CornerRadius, 
+                CornerRadius);
+
+            // マーク
+            if (IsChecked && IsPressed == false)
+                dc.DrawGeometry(MarkBrush, null, _markGeom);
+
+            // キャプション
+            DrawCaption(dc);
+        }
+
+        protected void DrawBackground(in LayoutRounder rounder, DrawingContext dc)
+        {
+            dc.DrawRectangle(Brushes.Transparent, null, rounder.RoundRenderRectangle(false));
+        }
+
+        protected void DrawCaption(DrawingContext dc)
+        {
+            DrawCaption(dc, 16 + 4, 2);
+        }
+
+        protected void DrawCaption(DrawingContext dc, double x, double y)
+        {
+            if (Content is null)
+                return;
+
+            if (Foreground is null)
+                return;
+
+            DefaultTextRenderer.Instance.Draw(this, Content, x, y, Foreground, dc, ActualWidth - x, TextAlignment.Left, TextTrimming, true);
+        }
+
+        private static readonly Geometry _markGeom = Geometry.Parse("M7.7 15.1L7.52 15.1L3 11.19L4.28 9.52L7.26 12.09L11.33 6L12.97 7.22L7.7 15.1Z");
+    }
+}