[FormRecognizer] Update text angle if it falls outside of the expecte…

…d range (#13092)

* Created workaround for angle bug (#13082)

* Updated changelog

sdk/formrecognizer/Azure.AI.FormRecognizer/CHANGELOG.md

@@ -15,6 +15,10 @@
 - Property `CopyAuthorization.ExpiresOn` type is now `DateTimeOffset`.
 - `RecognizedReceipt` and `RecognizedReceiptsCollection` classes removed. Receipt field values must now be obtained from a `RecognizedForm`.
 
+### Fixes
+
+- Fixed a bug in which the `FormPage.TextAngle` property sometimes fell out of the (-180, 180] range ([#13082](https://github.com/Azure/azure-sdk-for-net/issues/13082)).
+
 ## 1.0.0-preview.3 (06-10-2020)
 
 ### Renames

sdk/formrecognizer/Azure.AI.FormRecognizer/src/FormPage.cs

@@ -15,7 +15,11 @@ internal FormPage(PageResult_internal pageResult, IReadOnlyList<ReadResult_inter
             ReadResult_internal readResult = readResults[pageIndex];
 
             PageNumber = readResult.Page;
-            TextAngle = readResult.Angle;
+
+            // Workaround because the service can sometimes return angles between 180 and 360 (bug).
+            // Currently tracked by: https://github.com/Azure/azure-sdk-for-net/issues/12319
+            TextAngle = readResult.Angle <= 180.0f ? readResult.Angle : readResult.Angle - 360.0f;
+
             Width = readResult.Width;
             Height = readResult.Height;
             Unit = readResult.Unit;

sdk/formrecognizer/Azure.AI.FormRecognizer/tests/FormRecognizerClient/FormRecognizerClientLiveTests.cs

@@ -1025,7 +1025,7 @@ public async Task StartRecognizeCustomFormsWithoutLabels(bool useStream, bool in
         }
 
         [Test]
-        [TestCase(true, Ignore = "https://github.com/Azure/azure-sdk-for-net/issues/12319")]
+        [TestCase(true)]
         [TestCase(false, Ignore = "https://github.com/Azure/azure-sdk-for-net/issues/12319")]
         public async Task StartRecognizeCustomFormsWithoutLabelsCanParseMultipageForm(bool useStream)
         {