wip: panorama tiling

mobile/openapi/lib/api/assets_api.dart

@@ -738,6 +738,93 @@ class AssetsApi {
     return null;
   }
 
+  /// Get an image tile
+  ///
+  /// Download a specific tile from an image at the specified level and position
+  ///
+  /// Note: This method returns the HTTP [Response].
+  ///
+  /// Parameters:
+  ///
+  /// * [num] col (required):
+  ///
+  /// * [String] id (required):
+  ///
+  /// * [num] level (required):
+  ///
+  /// * [num] row (required):
+  ///
+  /// * [String] key:
+  ///
+  /// * [String] slug:
+  Future<Response> getAssetTileWithHttpInfo(num col, String id, num level, num row, { String? key, String? slug, }) async {
+    // ignore: prefer_const_declarations
+    final apiPath = r'/assets/{id}/tiles/{level}/{col}/{row}'
+      .replaceAll('{col}', col.toString())
+      .replaceAll('{id}', id)
+      .replaceAll('{level}', level.toString())
+      .replaceAll('{row}', row.toString());
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    if (key != null) {
+      queryParams.addAll(_queryParams('', 'key', key));
+    }
+    if (slug != null) {
+      queryParams.addAll(_queryParams('', 'slug', slug));
+    }
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      apiPath,
+      'GET',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Get an image tile
+  ///
+  /// Download a specific tile from an image at the specified level and position
+  ///
+  /// Parameters:
+  ///
+  /// * [num] col (required):
+  ///
+  /// * [String] id (required):
+  ///
+  /// * [num] level (required):
+  ///
+  /// * [num] row (required):
+  ///
+  /// * [String] key:
+  ///
+  /// * [String] slug:
+  Future<MultipartFile?> getAssetTile(num col, String id, num level, num row, { String? key, String? slug, }) async {
+    final response = await getAssetTileWithHttpInfo(col, id, level, row,  key: key, slug: slug, );
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      return await apiClient.deserializeAsync(await _decodeBodyBytes(response), 'MultipartFile',) as MultipartFile;
+    
+    }
+    return null;
+  }
+
   /// Get random assets
   ///
   /// Retrieve a specified number of random assets for the authenticated user.