From f157e0f3ec0078fe51078a2ec49f95a68b093181 Mon Sep 17 00:00:00 2001
From: Julien Lebosquain <julien@lebosquain.net>
Date: Mon, 2 Feb 2026 21:57:27 +0000
Subject: [PATCH] Improve error message for invalid surface size (#20591)

---
 src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs b/src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs
index 318cdac22c..f23e058801 100644
--- a/src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs
+++ b/src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs
@@ -125,6 +125,14 @@ namespace Avalonia.Skia
             
             _currentFramebufferAddress = framebuffer.Address;
 
+            // A surface with a width/height of 0 is invalid and can't be created
+            if (desiredImageInfo.Width <= 0 || desiredImageInfo.Height <= 0)
+            {
+                throw new ArgumentException(
+                    $"Unable to create a surface with size {desiredImageInfo.Width}x{desiredImageInfo.Height}",
+                    nameof(desiredImageInfo));
+            }
+
             var surface = SKSurface.Create(desiredImageInfo, _currentFramebufferAddress, 
                 framebuffer.RowBytes, new SKSurfaceProperties(SKPixelGeometry.RgbHorizontal));