Mods.Common Widgets

Moved over Widgets that don't require a bunch of things to move.

OpenRA.Mods.Common/Widgets/HueSliderWidget.cs

@@ -0,0 +1,61 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Drawing;
+using System.Drawing.Imaging;
+using OpenRA.Graphics;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets
+{
+	public class HueSliderWidget : SliderWidget
+	{
+		Sprite hueSprite;
+
+		public HueSliderWidget() { }
+		public HueSliderWidget(HueSliderWidget other) : base(other) { }
+
+		public override void Initialize(WidgetArgs args)
+		{
+			base.Initialize(args);
+
+			using (var hueBitmap = new Bitmap(256, 256))
+			{
+				var hueSheet = new Sheet(new Size(256, 256), false);
+				hueSprite = new Sprite(hueSheet, new Rectangle(0, 0, 256, 1), TextureChannel.Alpha);
+
+				var bitmapData = hueBitmap.LockBits(hueBitmap.Bounds(),
+					ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
+				unsafe
+				{
+					var c = (int*)bitmapData.Scan0;
+					for (var h = 0; h < 256; h++)
+						*(c + h) = HSLColor.FromHSV(h / 255f, 1, 1).RGB.ToArgb();
+				}
+				hueBitmap.UnlockBits(bitmapData);
+				hueSheet.Texture.SetData(hueBitmap);
+			}
+		}
+
+		public override void Draw()
+		{
+			if (!IsVisible())
+				return;
+
+			var ro = RenderOrigin;
+			var rb = RenderBounds;
+			Game.Renderer.RgbaSpriteRenderer.DrawSprite(hueSprite, ro, new float2(rb.Size));
+
+			var sprite = ChromeProvider.GetImage("lobby-bits", "huepicker");
+			var pos = RenderOrigin + new int2(PxFromValue(Value).Clamp(0, rb.Width - 1) - sprite.bounds.Width / 2, (rb.Height - sprite.bounds.Height) / 2);
+			Game.Renderer.RgbaSpriteRenderer.DrawSprite(sprite, pos);
+		}
+	}
+}