From cca5f0fe8a9a178b8fb1335136ed5dddbdc3e29b Mon Sep 17 00:00:00 2001
From: Oskar Eichler <62393985+OskarEichler@users.noreply.github.com>
Date: Fri, 28 Aug 2026 03:39:41 +0300
Subject: [PATCH] fix(windows): read complete capture streams and box JPEG
 quality correctly

---
 .prettierignore                |  4 ++++
 windows/RNViewShot/ViewShot.cs | 16 ++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/.prettierignore b/.prettierignore
index 8c42668b..3479e8ba 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -11,6 +11,10 @@ ios/build/
 example/android/build/
 example/ios/build/
 **/build/
+windows/**/bin/
+windows/**/obj/
+example-windows/windows/**/bin/
+example-windows/windows/**/obj/
 **/.gradle/
 **/.cxx/
 
diff --git a/windows/RNViewShot/ViewShot.cs b/windows/RNViewShot/ViewShot.cs
index b93f7c28..1781aeef 100644
--- a/windows/RNViewShot/ViewShot.cs
+++ b/windows/RNViewShot/ViewShot.cs
@@ -39,7 +39,19 @@ public static async Task<string> Execute(FrameworkElement view, string extension
                         throw new InvalidOperationException("Capture is too large to base64-encode (" + ras.Size + " bytes)");
                     }
                     var imageBytes = new byte[(int)ras.Size];
-                    await ras.AsStream().ReadAsync(imageBytes, 0, imageBytes.Length);
+                    using (var input = ras.GetInputStreamAt(0).AsStreamForRead())
+                    {
+                        var offset = 0;
+                        while (offset < imageBytes.Length)
+                        {
+                            var read = await input.ReadAsync(imageBytes, offset, imageBytes.Length - offset);
+                            if (read == 0)
+                            {
+                                throw new EndOfStreamException("Capture stream ended before all image bytes were read");
+                            }
+                            offset += read;
+                        }
+                    }
                     var data = Convert.ToBase64String(imageBytes);
                     if (result == "data-uri")
                     {
@@ -77,7 +89,7 @@ private static async Task CaptureView(FrameworkElement view, IRandomAccessStream
             {
                 var propertySet = new BitmapPropertySet
                 {
-                    { "ImageQuality", new BitmapTypedValue(quality, Windows.Foundation.PropertyType.Single) },
+                    { "ImageQuality", new BitmapTypedValue((float)quality, Windows.Foundation.PropertyType.Single) },
                 };
                 encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.JpegEncoderId, stream, propertySet);
             }