From 7e3acc112d5bc43d3a8cf5febf64f16505910270 Mon Sep 17 00:00:00 2001
From: Wayfarer <petergeinitz@freenet.de>
Date: Tue, 31 Dec 2024 10:58:11 +0100
Subject: [PATCH] add some mor stuff
---
Imaging/FiltersAreas.cs | 61 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/Imaging/FiltersAreas.cs b/Imaging/FiltersAreas.cs
index 9903c7a..7326f1c 100644
--- a/Imaging/FiltersAreas.cs
+++ b/Imaging/FiltersAreas.cs
@@ -68,5 +68,66 @@ internal static Bitmap GenerateFilter(Bitmap image,
return ImageStream.CombineBitmap(image, filterBitmap, 0, 0);
}
+ /// <summary>
+ /// Fills the area with color.
+ /// </summary>
+ /// <param name="image">The image.</param>
+ /// <param name="width">The width.</param>
+ /// <param name="height">The height.</param>
+ /// <param name="shape">The shape.</param>
+ /// <param name="shapeParams">The shape parameters.</param>
+ /// <param name="startPoint">The optional starting point (top-left corner) of the rectangle. Defaults to (0, 0).</param>
+ /// <returns>
+ /// Generates a filter for a certain area
+ /// </returns>
+ /// <exception cref="System.ArgumentOutOfRangeException">filter - null
+ /// or
+ /// shape - null</exception>
+ internal static Bitmap FillAreaWithColor(
+ Bitmap image,
+ int width,
+ int height,
+ Color color,
+ MaskShape shape,
+ object shapeParams = null,
+ Point? startPoint = null)
+ {
+ // Validate input
+ if (image == null) throw new ArgumentNullException(nameof(image));
+
+ // Default start point
+ var actualStartPoint = startPoint ?? new Point(0, 0);
+
+ using Graphics g = Graphics.FromImage(image);
+ using Brush brush = new SolidBrush(color);
+
+ // Apply mask based on the specified shape
+ switch (shape)
+ {
+ case MaskShape.Rectangle:
+ g.FillRectangle(brush, new Rectangle(actualStartPoint, new Size(width, height)));
+ break;
+
+ case MaskShape.Circle:
+ g.FillEllipse(brush, new Rectangle(actualStartPoint, new Size(width, height)));
+ break;
+
+ case MaskShape.Polygon:
+ if (shapeParams is Point[] points)
+ {
+ g.FillPolygon(brush, points);
+ }
+ else
+ {
+ throw new ArgumentException("Invalid shape parameters for polygon mask.", nameof(shapeParams));
+ }
+ break;
+
+ default:
+ throw new ArgumentOutOfRangeException(nameof(shape), shape, "Unsupported shape type");
+ }
+
+ return image;
+ }
}
}
\ No newline at end of file