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Add a hue selector widget.

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This commit is contained in:
Paul Chote
2013-04-26 23:06:23 +12:00
parent 2c0b7d2111
commit e240b9ca3d
3 changed files with 65 additions and 1 deletions
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2
OpenRA.Game/Widgets/SliderWidget.cs
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@@ -77,7 +77,7 @@ namespace OpenRA.Widgets
}
float ValueFromPx(int x) { return MinimumValue + (MaximumValue - MinimumValue) * (1f * x / RenderBounds.Width); }
int PxFromValue(float x) { return (int)(RenderBounds.Width * (x - MinimumValue) / (MaximumValue - MinimumValue)); }
protected int PxFromValue(float x) { return (int)(RenderBounds.Width * (x - MinimumValue) / (MaximumValue - MinimumValue)); }
public override Widget Clone() { return new SliderWidget(this); }

1
OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
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@@ -433,6 +433,7 @@
<Compile Include="Widgets\Logic\SpawnSelectorTooltipLogic.cs" />
<Compile Include="Widgets\Logic\ClientTooltipLogic.cs" />
<Compile Include="Widgets\ColorMixerWidget.cs" />
<Compile Include="Widgets\HueSliderWidget.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

63
OpenRA.Mods.RA/Widgets/HueSliderWidget.cs Executable file
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@@ -0,0 +1,63 @@
#region Copyright & License Information
/*
* Copyright 2007-2011 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;
using System.Drawing;
using System.Drawing.Imaging;
using OpenRA.FileFormats;
using OpenRA.Graphics;
using OpenRA.Widgets;
namespace OpenRA.Mods.RA.Widgets
{
public class HueSliderWidget : SliderWidget
{
Bitmap hueBitmap;
Sprite hueSprite;
public HueSliderWidget() : base() {}
public HueSliderWidget(HueSliderWidget other) : base(other) {}
public override void Initialize(WidgetArgs args)
{
base.Initialize(args);
hueBitmap = new Bitmap(256, 256);
hueSprite = new Sprite(new Sheet(new Size(256, 256)), new Rectangle(0, 0, 256, 1), TextureChannel.Alpha);
var bitmapData = hueBitmap.LockBits(hueBitmap.Bounds(),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int* c = (int*)bitmapData.Scan0;
for (var h = 0; h < 256; h++)
*(c + h) = HSLColor.FromHSV(h/255f, 1, 1).ToColor().ToArgb();
}
hueBitmap.UnlockBits(bitmapData);
hueSprite.sheet.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);
}
}
}