* UIDropControl: 优化下拉框控件显示效果

SunnyUI/Controls/DropItem/UIDropControl.cs

@@ -80,27 +80,10 @@ namespace Sunny.UI
             MouseLocation = e.Location;
         }
 
-        protected override void OnPaint(PaintEventArgs e)
+        protected override void OnEnabledChanged(EventArgs e)
         {
-            base.OnPaint(e);
-            if (Enabled)
-            {
-                if (Radius == 0 || RadiusSides == UICornerRadiusSides.None)
-                    e.Graphics.DrawRectangle(RectColor, 0, 0, Width - 1, Height - 1);
-                else
-                    e.Graphics.DrawRoundRectangle(RectColor, 0, 0, Width, Height, Radius);
-
-                edit.BackColor = Color.White;
-            }
-            else
-            {
-                if (Radius == 0 || RadiusSides == UICornerRadiusSides.None)
-                    e.Graphics.DrawRectangle(RectDisableColor, 0, 0, Width - 1, Height - 1);
-                else
-                    e.Graphics.DrawRoundRectangle(RectDisableColor, 0, 0, Width, Height, Radius);
-
-                edit.BackColor = GetFillColor();
-            }
+            base.OnEnabledChanged(e);
+            edit.BackColor = Enabled ? Color.White : GetFillColor();
         }
 
         private void Edit_LostFocus(object sender, EventArgs e)
@@ -304,14 +287,13 @@ namespace Sunny.UI
             if (!edit.Visible)
             {
                 base.OnPaintFore(g, path);
-                g.FillRoundRectangle(GetFillColor(), new Rectangle(Width - 27, edit.Top, 26, edit.Height), Radius, false);
-                g.DrawRoundRectangle(rectColor, new Rectangle(0, 0, Width, Height), Radius);
             }
 
-            g.FillRoundRectangle(GetFillColor(), new Rectangle(Width - 27, edit.Top, 25, edit.Height), Radius);
+            g.FillRectangle(GetFillColor(), new Rectangle(Width - 27, Radius / 2, 26, Height - Radius));
             Color color = GetRectColor();
             SizeF sf = g.GetFontImageSize(dropSymbol, 24);
             g.DrawFontImage(dropSymbol, 24, color, Width - 28 + (12 - sf.Width / 2.0f), (Height - sf.Height) / 2.0f);
+            g.DrawLine(RectColor, Width - 1, Radius / 2, Width - 1, Height - Radius);
         }
 
         protected override void OnGotFocus(EventArgs e)

SunnyUI/Controls/UIPanel.cs

@@ -327,7 +327,11 @@ namespace Sunny.UI
             //填充文字
             if (ShowText)
             {
-                OnPaintFore(e.Graphics, path);
+                rect = new Rectangle(1, 1, Width - 3, Height - 3);
+                using (var path1 = rect.GraphicsPath())
+                {
+                    OnPaintFore(e.Graphics, path1);
+                }
             }
 
             path.Dispose();

SunnyUI/Static/UImage.cs

@@ -643,5 +643,35 @@ namespace Sunny.UI
                 return Image.FromStream(toImage);
             }
         }
+
+        public static Icon SaveToIcon(this Image img, int size = 16)
+        {
+            byte[] pngiconheader = new byte[] { 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+            using (Bitmap bmp = new Bitmap(img, new Size(size, size)))
+            {
+                byte[] png;
+                using (System.IO.MemoryStream fs = new System.IO.MemoryStream())
+                {
+                    bmp.Save(fs, System.Drawing.Imaging.ImageFormat.Png);
+                    fs.Position = 0;
+                    png = fs.ToArray();
+                }
+
+                using (System.IO.MemoryStream fs = new System.IO.MemoryStream())
+                {
+                    if (size >= 256) size = 0;
+                    pngiconheader[6] = (byte)size;
+                    pngiconheader[7] = (byte)size;
+                    pngiconheader[14] = (byte)(png.Length & 255);
+                    pngiconheader[15] = (byte)(png.Length / 256);
+                    pngiconheader[18] = (byte)(pngiconheader.Length);
+
+                    fs.Write(pngiconheader, 0, pngiconheader.Length);
+                    fs.Write(png, 0, png.Length);
+                    fs.Position = 0;
+                    return new Icon(fs);
+                }
+            }
+        }
     }
 }