GUI桌面环境

Gui/ShellComponents/Dock/BaseDockIcon.cs

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+using Cosmos.System.Graphics;
+
+namespace CMLeonOS.Gui.ShellComponents.Dock
+{
+    internal abstract class BaseDockIcon
+    {
+        internal BaseDockIcon(Bitmap image, bool doAnimation = true)
+        {
+            if (doAnimation)
+            {
+                Size = 1;
+            }
+            else
+            {
+                // Skip to the end of the animation.
+                Size = Dock.IconSize;
+            }
+
+            Image = image;
+        }
+
+        private double _size;
+        internal double Size
+        {
+            get
+            {
+                return _size;
+            }
+            set
+            {
+                _size = value;
+
+                if (_image != null)
+                {
+                    SizedImage = _image.ResizeWidthKeepRatio((uint)Size);
+                }
+            }
+        }
+
+        private Bitmap _image;
+        internal Bitmap Image
+        {
+            get
+            {
+                return _image;
+            }
+            set
+            {
+                _image = value;
+                SizedImage = value.ResizeWidthKeepRatio((uint)Size);
+            }
+        }
+
+
+        internal Bitmap SizedImage { get; private set; }
+
+        internal bool Closing { get; set; } = false;
+
+        internal bool CloseAnimationComplete
+        {
+            get
+            {
+                return Closing && (int)_size == 1;
+            }
+        }
+
+        /// <summary>
+        /// Run the dock icon's animation.
+        /// </summary>
+        /// <returns>If the dock needs to be rerendered.</returns>
+        internal bool RunAnimation()
+        {
+            int oldSize = (int)Size;
+            int goalSize = Closing ? 1 : Dock.IconSize;
+            Size += (goalSize - Size) / 16;
+
+            return (int)Size != (int)oldSize;
+        }
+
+        internal abstract void Clicked();
+    }
+}