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https://github.com/Artemis-RGB/Artemis
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Code style - Use file scoped namespaces
Code style - Ran code cleanup
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@@ -7,165 +7,164 @@ using RGB.NET.Core;
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using RGB.NET.Presets.Textures.Sampler;
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using SkiaSharp;
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namespace Artemis.Core
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namespace Artemis.Core;
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/// <summary>
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/// Represents a SkiaSharp-based RGB.NET PixelTexture
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/// </summary>
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public sealed class SKTexture : PixelTexture<byte>, IDisposable
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{
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/// <summary>
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/// Represents a SkiaSharp-based RGB.NET PixelTexture
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/// </summary>
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public sealed class SKTexture : PixelTexture<byte>, IDisposable
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private readonly Dictionary<Led, SKRectI> _ledRects;
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private readonly SKPixmap _pixelData;
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private readonly IntPtr _pixelDataPtr;
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#region Constructors
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internal SKTexture(IManagedGraphicsContext? graphicsContext, int width, int height, float scale, IReadOnlyCollection<ArtemisDevice> devices) : base(width, height, DATA_PER_PIXEL,
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new AverageByteSampler())
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{
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private readonly SKPixmap _pixelData;
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private readonly IntPtr _pixelDataPtr;
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private readonly Dictionary<Led, SKRectI> _ledRects;
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ImageInfo = new SKImageInfo(width, height);
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Surface = graphicsContext == null
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? SKSurface.Create(ImageInfo)
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: SKSurface.Create(graphicsContext.GraphicsContext, true, ImageInfo);
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RenderScale = scale;
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_pixelDataPtr = Marshal.AllocHGlobal(ImageInfo.BytesSize);
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_pixelData = new SKPixmap(ImageInfo, _pixelDataPtr, ImageInfo.RowBytes);
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#region Constructors
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internal SKTexture(IManagedGraphicsContext? graphicsContext, int width, int height, float scale, IReadOnlyCollection<ArtemisDevice> devices) : base(width, height, DATA_PER_PIXEL,
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new AverageByteSampler())
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_ledRects = new Dictionary<Led, SKRectI>();
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foreach (ArtemisDevice artemisDevice in devices)
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{
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ImageInfo = new SKImageInfo(width, height);
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Surface = graphicsContext == null
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? SKSurface.Create(ImageInfo)
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: SKSurface.Create(graphicsContext.GraphicsContext, true, ImageInfo);
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RenderScale = scale;
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_pixelDataPtr = Marshal.AllocHGlobal(ImageInfo.BytesSize);
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_pixelData = new SKPixmap(ImageInfo, _pixelDataPtr, ImageInfo.RowBytes);
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_ledRects = new Dictionary<Led, SKRectI>();
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foreach (ArtemisDevice artemisDevice in devices)
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foreach (ArtemisLed artemisLed in artemisDevice.Leds)
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{
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foreach (ArtemisLed artemisLed in artemisDevice.Leds)
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{
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_ledRects[artemisLed.RgbLed] = SKRectI.Create(
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(int) (artemisLed.AbsoluteRectangle.Left * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Top * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Width * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Height * RenderScale)
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);
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}
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}
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}
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#endregion
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private void ReleaseUnmanagedResources()
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{
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Marshal.FreeHGlobal(_pixelDataPtr);
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}
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/// <inheritdoc />
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~SKTexture()
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{
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ReleaseUnmanagedResources();
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}
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/// <inheritdoc />
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public void Dispose()
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{
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Surface.Dispose();
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_pixelData.Dispose();
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ReleaseUnmanagedResources();
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GC.SuppressFinalize(this);
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}
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#region Constants
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private const int STACK_ALLOC_LIMIT = 1024;
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private const int DATA_PER_PIXEL = 4;
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#endregion
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#region Methods
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/// <summary>
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/// Invalidates the texture
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/// </summary>
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public void Invalidate()
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{
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IsInvalid = true;
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}
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internal void CopyPixelData()
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{
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using SKImage skImage = Surface.Snapshot();
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skImage.ReadPixels(_pixelData);
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}
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/// <inheritdoc />
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protected override Color GetColor(in ReadOnlySpan<byte> pixel)
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{
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return new Color(pixel[2], pixel[1], pixel[0]);
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}
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/// <inheritdoc />
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public override Color this[in Rectangle rectangle] => Color.Transparent;
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#endregion
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#region Properties & Fields
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/// <summary>
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/// Gets the SKBitmap backing this texture
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/// </summary>
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public SKSurface Surface { get; }
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/// <summary>
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/// Gets the image info used to create the <see cref="Surface" />
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/// </summary>
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public SKImageInfo ImageInfo { get; }
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/// <summary>
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/// Gets the color data in RGB format
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/// </summary>
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protected override ReadOnlySpan<byte> Data => _pixelData.GetPixelSpan();
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/// <summary>
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/// Gets the render scale of the texture
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/// </summary>
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public float RenderScale { get; }
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/// <summary>
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/// Gets a boolean indicating whether <see cref="Invalidate" /> has been called on this texture, indicating it should
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/// be replaced
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/// </summary>
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public bool IsInvalid { get; private set; }
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#endregion
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internal Color GetColorAtRenderTarget(in RenderTarget renderTarget)
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{
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if (Data.Length == 0) return Color.Transparent;
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SKRectI skRectI = _ledRects[renderTarget.Led];
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if (skRectI.Width <= 0 || skRectI.Height <= 0)
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return Color.Transparent;
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int bufferSize = skRectI.Width * skRectI.Height * DATA_PER_PIXEL;
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if (bufferSize <= STACK_ALLOC_LIMIT)
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{
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Span<byte> buffer = stackalloc byte[bufferSize];
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GetRegionData(skRectI.Left, skRectI.Top, skRectI.Width, skRectI.Height, buffer);
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Span<byte> pixelData = stackalloc byte[DATA_PER_PIXEL];
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Sampler.Sample(new SamplerInfo<byte>(skRectI.Width, skRectI.Height, buffer), pixelData);
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return GetColor(pixelData);
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}
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else
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{
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byte[] rent = ArrayPool<byte>.Shared.Rent(bufferSize);
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Span<byte> buffer = new Span<byte>(rent).Slice(0, bufferSize);
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GetRegionData(skRectI.Left, skRectI.Top, skRectI.Width, skRectI.Height, buffer);
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Span<byte> pixelData = stackalloc byte[DATA_PER_PIXEL];
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Sampler.Sample(new SamplerInfo<byte>(skRectI.Width, skRectI.Height, buffer), pixelData);
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ArrayPool<byte>.Shared.Return(rent);
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return GetColor(pixelData);
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_ledRects[artemisLed.RgbLed] = SKRectI.Create(
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(int) (artemisLed.AbsoluteRectangle.Left * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Top * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Width * RenderScale),
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(int) (artemisLed.AbsoluteRectangle.Height * RenderScale)
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);
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}
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}
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}
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#endregion
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internal Color GetColorAtRenderTarget(in RenderTarget renderTarget)
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{
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if (Data.Length == 0) return Color.Transparent;
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SKRectI skRectI = _ledRects[renderTarget.Led];
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if (skRectI.Width <= 0 || skRectI.Height <= 0)
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return Color.Transparent;
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int bufferSize = skRectI.Width * skRectI.Height * DATA_PER_PIXEL;
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if (bufferSize <= STACK_ALLOC_LIMIT)
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{
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Span<byte> buffer = stackalloc byte[bufferSize];
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GetRegionData(skRectI.Left, skRectI.Top, skRectI.Width, skRectI.Height, buffer);
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Span<byte> pixelData = stackalloc byte[DATA_PER_PIXEL];
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Sampler.Sample(new SamplerInfo<byte>(skRectI.Width, skRectI.Height, buffer), pixelData);
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return GetColor(pixelData);
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}
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else
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{
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byte[] rent = ArrayPool<byte>.Shared.Rent(bufferSize);
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Span<byte> buffer = new Span<byte>(rent).Slice(0, bufferSize);
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GetRegionData(skRectI.Left, skRectI.Top, skRectI.Width, skRectI.Height, buffer);
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Span<byte> pixelData = stackalloc byte[DATA_PER_PIXEL];
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Sampler.Sample(new SamplerInfo<byte>(skRectI.Width, skRectI.Height, buffer), pixelData);
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ArrayPool<byte>.Shared.Return(rent);
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return GetColor(pixelData);
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}
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}
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private void ReleaseUnmanagedResources()
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{
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Marshal.FreeHGlobal(_pixelDataPtr);
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}
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/// <inheritdoc />
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~SKTexture()
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{
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ReleaseUnmanagedResources();
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}
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/// <inheritdoc />
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public void Dispose()
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{
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Surface.Dispose();
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_pixelData.Dispose();
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ReleaseUnmanagedResources();
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GC.SuppressFinalize(this);
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}
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#region Constants
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private const int STACK_ALLOC_LIMIT = 1024;
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private const int DATA_PER_PIXEL = 4;
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#endregion
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#region Methods
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/// <summary>
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/// Invalidates the texture
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/// </summary>
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public void Invalidate()
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{
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IsInvalid = true;
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}
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internal void CopyPixelData()
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{
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using SKImage skImage = Surface.Snapshot();
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skImage.ReadPixels(_pixelData);
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}
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/// <inheritdoc />
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protected override Color GetColor(in ReadOnlySpan<byte> pixel)
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{
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return new Color(pixel[2], pixel[1], pixel[0]);
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}
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/// <inheritdoc />
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public override Color this[in Rectangle rectangle] => Color.Transparent;
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#endregion
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#region Properties & Fields
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/// <summary>
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/// Gets the SKBitmap backing this texture
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/// </summary>
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public SKSurface Surface { get; }
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/// <summary>
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/// Gets the image info used to create the <see cref="Surface" />
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/// </summary>
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public SKImageInfo ImageInfo { get; }
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/// <summary>
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/// Gets the color data in RGB format
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/// </summary>
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protected override ReadOnlySpan<byte> Data => _pixelData.GetPixelSpan();
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/// <summary>
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/// Gets the render scale of the texture
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/// </summary>
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public float RenderScale { get; }
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/// <summary>
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/// Gets a boolean indicating whether <see cref="Invalidate" /> has been called on this texture, indicating it should
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/// be replaced
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/// </summary>
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public bool IsInvalid { get; private set; }
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#endregion
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}
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