From 19c9143fa1902ccffde03d43e7e87f25aa778f80 Mon Sep 17 00:00:00 2001
From: Darth Affe <darthaffe@wyrez.org>
Date: Sun, 14 Jul 2024 21:02:02 +0200
Subject: [PATCH] Added ConvertTo-method to IImage

---
 HPPH/Images/Image.cs             | 9 ++++++++-
 HPPH/Images/Interfaces/IImage.cs | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/HPPH/Images/Image.cs b/HPPH/Images/Image.cs
index 821797b..fb28136 100644
--- a/HPPH/Images/Image.cs
+++ b/HPPH/Images/Image.cs
@@ -58,7 +58,7 @@ public sealed class Image<T> : IImage<T>
         get
         {
             if ((x < 0) || (y < 0) || (width <= 0) || (height <= 0) || ((x + width) > Width) || ((y + height) > Height)) throw new IndexOutOfRangeException();
-            
+
             return new Image<T>(_buffer, _x + x, _y + y, width, height, _stride);
         }
     }
@@ -123,6 +123,13 @@ public sealed class Image<T> : IImage<T>
         return new Image<T>(data, 0, 0, width, height, stride);
     }
 
+    public void ConvertTo<TColor>()
+        where TColor : struct, IColor
+    {
+        for (int i = 0; i < Height; i++)
+            MemoryMarshal.Cast<byte, T>(_buffer.AsSpan().Slice(((i + _y) * _stride) + _x, Width)).ConvertInPlace<T, TColor>();
+    }
+
     public void CopyTo(Span<T> destination) => CopyTo(MemoryMarshal.AsBytes(destination));
 
     /// <inheritdoc />
diff --git a/HPPH/Images/Interfaces/IImage.cs b/HPPH/Images/Interfaces/IImage.cs
index ecc3d84..75d019b 100644
--- a/HPPH/Images/Interfaces/IImage.cs
+++ b/HPPH/Images/Interfaces/IImage.cs
@@ -60,6 +60,8 @@ public interface IImage : IEnumerable<IColor>
     /// <returns>The <inheritdoc cref="RefImage{TColor}"/>.</returns>
     RefImage<TColor> AsRefImage<TColor>() where TColor : struct, IColor;
 
+    void ConvertTo<T>() where T : struct, IColor;
+
     /// <summary>
     /// Copies the contents of this <see cref="IImage"/> into a destination <see cref="Span{T}"/> instance.
     /// </summary>