refactor(Annotations.js): Hinzufügen von Container-Widget-Annotationen als Hintergrund von Annotationen ohne BoundingBox-Konfiguration.

- Konvertieren von Signaturen Hintergrundfarbe von gelb zu hellgelb.

EnvelopeGenerator.Web/wwwroot/js/annotation.js

@@ -6,13 +6,32 @@ async function createAnnotations(document, instance) {
         const annotParams = await getAnnotationParams(element.left, element.top);
         const page = element.page - 1
 
+        //background
+        const id_background = PSPDFKit.generateInstantId()
+        const annotation_background = new PSPDFKit.Annotations.WidgetAnnotation({
+            id: id_background,
+            pageIndex: page,
+            formFieldName: id_background,
+            backgroundColor: PSPDFKit.Color.WHITE,
+            blendMode: 'normal',
+            //boundingBox: new PSPDFKit.Geometry.Rect({width: 152, height: 180, left: 186.09992, top: 648.8533600000001}),
+            fontSize: 8,
+        })
+
+        const formFieldBackground = new PSPDFKit.FormFields.ButtonFormField({
+            name: id_background,
+            annotationIds: PSPDFKit.Immutable.List([annotation_background.id]),
+            value: "",
+            readOnly: false
+        })
+
         //signatures
         const id = PSPDFKit.generateInstantId()
         const annotation = new PSPDFKit.Annotations.WidgetAnnotation({
             id: id,
             pageIndex: page,
             formFieldName: id,
-            backgroundColor: PSPDFKit.Color.YELLOW,
+            backgroundColor: PSPDFKit.Color.LIGHT_YELLOW,
             blendMode: 'multiply',
             boundingBox: new PSPDFKit.Geometry.Rect(annotParams.signature),
         })
@@ -131,7 +150,8 @@ async function createAnnotations(document, instance) {
             name: id_city_label,
             annotationIds: PSPDFKit.Immutable.List([annotation_city_label.id]),
             value: "Ort",
-            readOnly: true
+            readOnly: true,
+            color: PSPDFKit.Color.BLACK
         })
 
         //position label
@@ -155,6 +175,9 @@ async function createAnnotations(document, instance) {
             readOnly: true
         })
 
+        signatures.push(annotation_background)
+        signatures.push(formFieldBackground)
+
         signatures.push(annotation)
         signatures.push(formField)
         signatures.push(annotation_date)