Merge pull request #1439 from johnhaddon/int64DataView

OpenImageIOAlgo::DataView : Support 64 bit integer data variants

Author: johnhaddon

Changes

@@ -1,7 +1,10 @@
 10.5.x.x (relative to 10.5.10.0)
 ========
 
+Improvements
+------------
 
+- OpenImageIOAlgo::DataView : Added support for Int64Data, UInt64Data, Int64VectorData and UInt64VectorData.
 
 10.5.10.0 (relative to 10.5.9.5)
 =========

src/IECoreImage/OpenImageIOAlgo.cpp

@@ -347,6 +347,14 @@ DataView::DataView( const IECore::Data *d, bool createUStrings )
 			type = TypeDesc::TypeInt;
 			data = static_cast<const IntData *>( d )->baseReadable();
 			break;
+		case UInt64DataTypeId :
+			type = TypeDesc::UINT64;
+			data = static_cast<const UInt64Data *>( d )->baseReadable();
+			break;
+		case Int64DataTypeId :
+			type = TypeDesc::INT64;
+			data = static_cast<const Int64Data *>( d )->baseReadable();
+			break;
 		case FloatDataTypeId :
 			type = TypeDesc::TypeFloat;
 			data = static_cast<const FloatData *>( d )->baseReadable();
@@ -471,6 +479,24 @@ DataView::DataView( const IECore::Data *d, bool createUStrings )
 			);
 			data = static_cast<const UIntVectorData *>( d )->baseReadable();
 			break;
+		case UInt64VectorDataTypeId :
+			type = TypeDesc(
+				TypeDesc::UINT64,
+				TypeDesc::SCALAR,
+				TypeDesc::NOSEMANTICS,
+				static_cast<const UInt64VectorData *>( d )->readable().size()
+			);
+			data = static_cast<const UInt64VectorData *>( d )->baseReadable();
+			break;
+		case Int64VectorDataTypeId :
+			type = TypeDesc(
+				TypeDesc::INT64,
+				TypeDesc::SCALAR,
+				TypeDesc::NOSEMANTICS,
+				static_cast<const Int64VectorData *>( d )->readable().size()
+			);
+			data = static_cast<const Int64VectorData *>( d )->baseReadable();
+			break;
 		case CharVectorDataTypeId :
 			type = TypeDesc(
 				TypeDesc::CHAR,