63 lines
1.7 KiB
C#
63 lines
1.7 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 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));
|
|
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.GetTexture().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);
|
|
}
|
|
}
|
|
}
|