Fixed wrong parameter passed to the Image.LockBits.

darth-vader-lg · darth-vader-lg · commit 693829446033 · 2021-06-22T22:53:20.000+02:00
- It was passed ImageLockMode.ReadOnly where it was needed a write operation.

Signed-off-by: darth-vader-lg &lt;luigi.generale@gmail.com&gt;
diff --git a/src/Microsoft.ML.ImageAnalytics/VectorToImageTransform.cs b/src/Microsoft.ML.ImageAnalytics/VectorToImageTransform.cs
@@ -375,7 +375,7 @@ private ValueGetter<Bitmap> GetterFromType<TValue>(PrimitiveDataViewType srcType
                         BitmapData bmpData = null;
                         try
                         {
-                            bmpData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.ReadOnly, dst.PixelFormat);
+                            bmpData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.WriteOnly, dst.PixelFormat);
                             for (int y = 0; y < height; ++y)
                             {
                                 byte[] row = new byte[bmpData.Stride];

Original file line number	Diff line number	Diff line change
`@@ -375,7 +375,7 @@ private ValueGetter<Bitmap> GetterFromType<TValue>(PrimitiveDataViewType srcType`
`375`	`375`	`BitmapData bmpData = null;`
`376`	`376`	`try`
`377`	`377`	`{`
`378`		`- bmpData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.ReadOnly, dst.PixelFormat);`
	`378`	`+ bmpData = dst.LockBits(new Rectangle(0, 0, dst.Width, dst.Height), ImageLockMode.WriteOnly, dst.PixelFormat);`
`379`	`379`	`for (int y = 0; y < height; ++y)`
`380`	`380`	`{`
`381`	`381`	`byte[] row = new byte[bmpData.Stride];`