Merge Feature/formrecognizer2.1 into master (#17121)

* [FR] Update to 2.1-preview.2 with generation and recordings (#16462) * generation and recordings * missing tests * PR feedback * enable test * export-api * [FR] Add invoices functionality (#16522) * add invoices * pr feedback * export api * Update sdk/formrecognizer/Azure.AI.FormRecognizer/src/RecognizeInvoicesOperation.cs Co-authored-by: Krista Pratico <krpratic@microsoft.com> Co-authored-by: Krista Pratico <krpratic@microsoft.com> * [FR] Add documentation for invoices (#16659) * documentation * PR feedback * generation plus small fixes (#16787) * [FR] Expose code generated properties (#16841) * selection mark state order: * appearance * bounding box * content-type bmp * pages * update to 2.1-preview.2 * language (#16889) * added more test for copy feature (#16892) * enable receipt and bc (#17004) * remove bc workaround (#17025) * disable receipts, enable AAD, move to canada (#17119) Co-authored-by: Krista Pratico <krpratic@microsoft.com>
Azure · Nov 20, 2020 · 8f924b2 · 8f924b2
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diff --git a/sdk/formrecognizer/Azure.AI.FormRecognizer/CHANGELOG.md b/sdk/formrecognizer/Azure.AI.FormRecognizer/CHANGELOG.md
@@ -3,20 +3,26 @@
 ## 3.1.0-beta.1 (Unreleased)
 
 ### Breaking changes
-- It defaults to the latest supported API version, which currently is `2.1-preview.1`.
+- It defaults to the latest supported API version, which currently is `2.1-preview.2`.
 
 ### New Features
 - Added integration for ASP.NET Core.
 - Added support for pre-built business card recognition.
+- Added support for pre-built invoices recognition.
 - Added support for providing locale info when recognizing receipts and business cards. Supported locales include support EN-US, EN-AU, EN-CA, EN-GB, EN-IN.
+- Added support for providing the document language in `StartRecognizeContent` when recognizing a form.
 - Added support to train and recognize custom forms with selection marks such as check boxes and radio buttons. This functionality is only available in train with labels scenarios.
+- Added support to `StartRecognizeContent` to recognize selection marks such as check boxes and radio buttons.
 - Added ability to create a composed model from the `FormTrainingClient` by calling method `StartCreateComposedModel`.
 - Added ability to pass parameter `ModelName` to `StartTraining` methods.
 - Added the properties `ModelName` and `Properties` to types `CustomFormModel` and `CustomFormModelInfo`.
 - Added type `CustomFormModelProperties` that includes information like if a model is a composed model.
 - Added property `ModelId` to `CustomFormSubmodel` and `TrainingDocumentInfo`.
 - Added properties `ModelId` and `FormTypeConfidence` to `RecognizedForm`.
-- Added support to `StartRecognizeContent` to recognize selection marks such as check boxes and radio buttons.
+- Added property `Appearance` to `FormLine` to indicate the style of the extracted text. for example, "handwriting" or "other".
+- Added property `BoundingBox` to `FormTable`.
+- Added support for `ContentType` `image/bmp` in recognize content and prebuilt models.
+- Added property `Pages` to `RecognizeContentOptions` to specify the page numbers to analyze.
 
 ## 3.0.0 (2020-08-20)
 

diff --git a/sdk/formrecognizer/Azure.AI.FormRecognizer/README.md b/sdk/formrecognizer/Azure.AI.FormRecognizer/README.md
@@ -3,8 +3,10 @@ Azure Cognitive Services Form Recognizer is a cloud service that uses machine le
 
 - Recognize Custom Forms - Recognize and extract form fields and other content from your custom forms, using models you trained with your own form types.
 - Recognize Form Content - Recognize and extract tables, lines, words, and selection marks like radio buttons and check boxes in forms documents, without the need to train a model.
-- Recognize Receipts - Recognize and extract common fields from receipts, using a pre-trained receipt model.
-- Recognize Business Card - Recognize and extract common fields from business cards, using a pre-trained business cards model.
+- Recognize Prebuilt models - Recognize data using the following prebuilt models:
+  - Receipts - Recognize and extract common fields from receipts, using a pre-trained receipt model.
+  - Business Cards - Recognize and extract common fields from business cards, using a pre-trained business cards model.
+  - Invoices - Recognize and extract common fields from invoices, using a pre-trained invoice model.
 
 [Source code][formreco_client_src] | [Package (NuGet)][formreco_nuget_package] | [API reference documentation][formreco_refdocs] | [Product documentation][formreco_docs] | [Samples][formreco_samples]
 
@@ -101,10 +103,12 @@ var client = new FormRecognizerClient(new Uri(endpoint), new DefaultAzureCredent
 
 `FormRecognizerClient` provides operations for:
 
- - Recognizing form fields and content, using custom models trained to recognize your custom forms.  These values are returned in a collection of `RecognizedForm` objects. See example [Recognize Custom Forms](#recognize-custom-forms).
- - Recognizing form content, including tables, lines, words, and selection marks like radio buttons and check boxes without the need to train a model.  Form content is returned in a collection of `FormPage` objects. See example [Recognize Content](#recognize-content).
- - Recognizing common fields from receipts, using a pre-trained receipt model on the Form Recognizer service.  These fields and meta-data are returned in a collection of `RecognizedForm` objects. See example [Recognize Receipts](#recognize-receipts).
-- Recognizing common fields from business cards, using a pre-trained business cards model on the Form Recognizer service.  These fields and meta-data are returned in a collection of `RecognizedForm` objects. See example [Recognize Business Cards](#recognize-business-cards).
+- Recognizing form fields and content, using custom models trained to recognize your custom forms.  These values are returned in a collection of `RecognizedForm` objects. See example [Recognize Custom Forms](#recognize-custom-forms).
+- Recognizing form content, including tables, lines, words, and selection marks like radio buttons and check boxes without the need to train a model.  Form content is returned in a collection of `FormPage` objects. See example [Recognize Content](#recognize-content).
+- Recognizing common fields from the following form types using prebuilt models. These fields and meta-data are returned in a collection of `RecognizedForm` objects.
+  - Sales receipts. See example [Recognize Receipts](#recognize-receipts).
+  - Business cards. See example [Recognize Business Cards](#recognize-business-cards).
+  - Invoices. See example [Recognize Invoices](#recognize-invoices).
 
 ### FormTrainingClient
 
@@ -134,6 +138,7 @@ The following section provides several code snippets illustrating common pattern
 * [Recognize Custom Forms](#recognize-custom-forms)
 * [Recognize Receipts](#recognize-receipts)
 * [Recognize Business Cards](#recognize-business-cards)
+* [Recognize Invoices](#recognize-invoices)
 * [Train a Model](#train-a-model)
 * [Manage Custom Models](#manage-custom-models)
 
@@ -299,7 +304,7 @@ using (FileStream stream = new FileStream(receiptPath, FileMode.Open))
 Recognize data from business cards using a prebuilt model. Business card fields recognized by the service can be found [here][service_recognize_business_cards_fields].
 
 ```C# Snippet:FormRecognizerSampleRecognizeBusinessCardFileStream
-using (FileStream stream = new FileStream(busienssCardsPath, FileMode.Open))
+using (FileStream stream = new FileStream(businessCardsPath, FileMode.Open))
 {
     var options = new RecognizeBusinessCardsOptions() { Locale = "en-US" };
     RecognizedFormCollection businessCards = await client.StartRecognizeBusinessCardsAsync(stream, options).WaitForCompletionAsync();
@@ -368,6 +373,52 @@ using (FileStream stream = new FileStream(busienssCardsPath, FileMode.Open))
 }
 ```
 
+### Recognize Invoices
+Recognize data from invoices using a prebuilt model. Invoices fields recognized by the service can be found [here][service_recognize_invoices_fields].
+
+```C# Snippet:FormRecognizerSampleRecognizeInvoicesFileStream
+using (FileStream stream = new FileStream(invoicePath, FileMode.Open))
+{
+    var options = new RecognizeInvoicesOptions() { Locale = "en-US" };
+    RecognizedFormCollection invoices = await client.StartRecognizeInvoicesAsync(stream, options).WaitForCompletionAsync();
+
+    // To see the list of the supported fields returned by service and its corresponding types, consult:
+    // https://aka.ms/formrecognizer/invoicefields
+
+    RecognizedForm invoice = invoices.Single();
+
+    FormField vendorNameField;
+    if (invoice.Fields.TryGetValue("VendorName", out vendorNameField))
+    {
+        if (vendorNameField.Value.ValueType == FieldValueType.String)
+        {
+            string vendorName = vendorNameField.Value.AsString();
+            Console.WriteLine($"    Vendor Name: '{vendorName}', with confidence {vendorNameField.Confidence}");
+        }
+    }
+
+    FormField customerNameField;
+    if (invoice.Fields.TryGetValue("CustomerName", out customerNameField))
+    {
+        if (customerNameField.Value.ValueType == FieldValueType.String)
+        {
+            string customerName = customerNameField.Value.AsString();
+            Console.WriteLine($"    Customer Name: '{customerName}', with confidence {customerNameField.Confidence}");
+        }
+    }
+
+    FormField invoiceTotalField;
+    if (invoice.Fields.TryGetValue("InvoiceTotal", out invoiceTotalField))
+    {
+        if (invoiceTotalField.Value.ValueType == FieldValueType.Float)
+        {
+            float invoiceTotal = invoiceTotalField.Value.AsFloat();
+            Console.WriteLine($"    Invoice Total: '{invoiceTotal}', with confidence {invoiceTotalField.Confidence}");
+        }
+    }
+}
+```
+
 ### Train a Model
 Train a machine-learned model on your own form types. The resulting model will be able to recognize values from the types of forms it was trained on.
 
@@ -602,6 +653,7 @@ This project has adopted the [Microsoft Open Source Code of Conduct][code_of_con
 [labeling_tool]: https://docs.microsoft.com/azure/cognitive-services/form-recognizer/quickstarts/label-tool
 [service_recognize_receipt_fields]: https://aka.ms/formrecognizer/receiptfields
 [service_recognize_business_cards_fields]: https://aka.ms/formrecognizer/businesscardfields
+[service_recognize_invoices_fields]: https://aka.ms/formrecognizer/invoicefields
 [dotnet_lro_guidelines]: https://azure.github.io/azure-sdk/dotnet_introduction.html#dotnet-longrunning
 
 [logging]: https://github.com/Azure/azure-sdk-for-net/tree/master/sdk/core/Azure.Core/samples/Diagnostics.md