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Core - Add BlendOption.cs

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This commit is contained in:
miku-666
2025-11-19 21:48:33 +01:00
parent d87817b6b5
commit 9a21db12f7
2 changed files with 29 additions and 7 deletions
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19
PckStudio.Core/Extensions/BlendOption.cs Normal file
View File

@@ -0,0 +1,19 @@
using System.Drawing;
namespace PckStudio.Core.Extensions
{
public readonly struct BlendOption(Color color, BlendMode blendMode)
{
internal readonly Color Color = color;
internal readonly BlendMode BlendMode = blendMode;
public static BlendOption Add(Color color) => new BlendOption(color, BlendMode.Add);
public static BlendOption Subtract(Color color) => new BlendOption(color, BlendMode.Subtract);
public static BlendOption Multiply(Color color) => new BlendOption(color, BlendMode.Multiply);
public static BlendOption Average(Color color) => new BlendOption(color, BlendMode.Average);
public static BlendOption DescendingOrder(Color color) => new BlendOption(color, BlendMode.DescendingOrder);
public static BlendOption AscendingOrder(Color color) => new BlendOption(color, BlendMode.AscendingOrder);
public static BlendOption Screen(Color color) => new BlendOption(color, BlendMode.Screen);
public static BlendOption Overlay(Color color) => new BlendOption(color, BlendMode.Overlay);
}
}

17
PckStudio.Core/Extensions/ImageExtensions.cs
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@@ -164,6 +164,9 @@ namespace PckStudio.Core.Extensions
}
public static Image Blend(this Image image, Color overlayColor, BlendMode mode)
=> image.Blend(new BlendOption(overlayColor, mode));
public static Image Blend(this Image image, BlendOption blendOption)
{
if (image is not Bitmap baseImage)
return image;
@@ -187,9 +190,9 @@ namespace PckStudio.Core.Extensions
Unsafe.Write((resultImageData.Scan0 + k).ToPointer(), 0);
return;
}
var b = ColorExtensions.BlendValues((byte)(color >> 0 & 0xff), overlayColor.B, mode);
var g = ColorExtensions.BlendValues((byte)(color >> 8 & 0xff), overlayColor.G, mode);
var r = ColorExtensions.BlendValues((byte)(color >> 16 & 0xff), overlayColor.R, mode);
var b = ColorExtensions.BlendValues((byte)(color >> 0 & 0xff), blendOption.Color.B, blendOption.BlendMode);
var g = ColorExtensions.BlendValues((byte)(color >> 8 & 0xff), blendOption.Color.G, blendOption.BlendMode);
var r = ColorExtensions.BlendValues((byte)(color >> 16 & 0xff), blendOption.Color.R, blendOption.BlendMode);
int blendedValue = a << 24 | r << 16 | g << 8 | b;
Unsafe.Write((resultImageData.Scan0 + k).ToPointer(), blendedValue);
}
@@ -237,12 +240,12 @@ namespace PckStudio.Core.Extensions
return bitmapResult;
}
public static Image Interpolate(this Image image1, Image image2, double delta)
public static Image Interpolate(this Image source, Image target, double delta)
{
delta = MathExtensions.Clamp(delta, 0.0, 1.0);
if (image1 is not Bitmap baseImage || image2 is not Bitmap overlayImage ||
image1.Width != image2.Width || image1.Height != image2.Height)
return image1;
if (source is not Bitmap baseImage || target is not Bitmap overlayImage ||
source.Width != target.Width || source.Height != target.Height)
return source;
BitmapData baseImageData = baseImage.LockBits(new Rectangle(Point.Empty, baseImage.Size),
ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);