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Added generic base-class for PixelTexture

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This commit is contained in:
Darth Affe 2021-02-22 00:46:48 +01:00
parent b328032df0
commit 520fb38602
1 changed files with 49 additions and 21 deletions
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70
RGB.NET.Core/Rendering/Textures/PixelTexture.cs
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@ -1,15 +1,14 @@
using System;
using System.Runtime.CompilerServices;
namespace RGB.NET.Core
{
public sealed class PixelTexture : ITexture
public abstract class PixelTexture<T> : ITexture
{
#region Properties & Fields
private readonly int _dataWidth;
private readonly int _dataHeight;
private readonly ReadOnlyMemory<Color> _data;
private readonly ISampler _sampler;
protected ISampler Sampler { get; set; }
protected T[] Data { get; set; }
public Size Size { get; }
@ -17,12 +16,11 @@ namespace RGB.NET.Core
{
get
{
if (_data.IsEmpty) return Color.Transparent;
if (Data.Length == 0) return Color.Transparent;
int x = (int)Math.Round(Size.Width * point.X.Clamp(0, 1));
int y = (int)Math.Round(Size.Height * point.Y.Clamp(0, 1));
return _data.Span[(y * _dataWidth) + x];
return GetColor(x, y);
}
}
@ -30,14 +28,14 @@ namespace RGB.NET.Core
{
get
{
if (_data.IsEmpty) return Color.Transparent;
if (Data.Length == 0) return Color.Transparent;
int x = (int)Math.Round(Size.Width * rectangle.Location.X.Clamp(0, 1));
int y = (int)Math.Round(Size.Height * rectangle.Location.Y.Clamp(0, 1));
int width = (int)Math.Round(Size.Width * rectangle.Size.Width.Clamp(0, 1));
int height = (int)Math.Round(Size.Height * rectangle.Size.Height.Clamp(0, 1));
return _sampler.SampleColor(in _data, x, y, width, height);
return Sampler.SampleColor(x, y, width, height, GetColor);
}
}
@ -45,22 +43,52 @@ namespace RGB.NET.Core
#region Constructors
public PixelTexture(int with, int height, ReadOnlyMemory<Color> data)
: this(with, height, data, new AverageSampler())
{ }
public PixelTexture(int with, int height, ReadOnlyMemory<Color> data, ISampler sampler)
public PixelTexture(int with, int height, T[] data, ISampler sampler)
{
this._data = data;
this._dataWidth = with;
this._dataHeight = height;
this._sampler = sampler;
if (_data.Length != (with * height)) throw new ArgumentException($"Data-Length {_data.Length} differs from the given size {with}x{height} ({with * height}).");
this.Data = data;
this.Sampler = sampler;
Size = new Size(with, height);
}
#endregion
#region Methods
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected abstract Color GetColor(int x, int y);
#endregion
}
public sealed class PixelTexture : PixelTexture<Color>
{
#region Properties & Fields
private readonly int _stride;
#endregion
#region Constructors
public PixelTexture(int with, int height, Color[] data)
: this(with, height, data, new AverageSampler())
{ }
public PixelTexture(int with, int height, Color[] data, ISampler sampler)
: base(with, height, data, sampler)
{
this._stride = with;
if (Data.Length != (with * height)) throw new ArgumentException($"Data-Length {Data.Length} differs from the given size {with}x{height} ({with * height}).");
}
#endregion
#region Methods
protected override Color GetColor(int x, int y) => Data[(y * _stride) + x];
#endregion
}
}