Fix enum generation issues.

Author: vrabaud

modules/js/generator/embindgen.py

@@ -132,7 +132,7 @@ def makeNamespacePrefixOverride(module_list):
 namespace_prefix_override = None
 
 # Features to be exported
-export_enums = False
+export_enums = True
 export_consts = True
 with_wrapped_functions = True
 with_default_params = True
@@ -916,7 +916,7 @@ def gen(self, dst_file, src_files, core_bindings):
                 if ns_name.split('.')[0] != 'cv':
                     continue
                 for name, enum in sorted(ns.enums.items()):
-                    if not name.endswith('.anonymous'):
+                    if '.unnamed_' not in name:
                         name = name.replace("cv.", "")
                         enum_values = []
                         for enum_val in enum:
@@ -936,7 +936,10 @@ def gen(self, dst_file, src_files, core_bindings):
             for ns_name, ns in sorted(self.namespaces.items()):
                 if ns_name.split('.')[0] != 'cv':
                     continue
+                # TODO CALIB_FIX_FOCAL_LENGTH is defined both in cv:: and cv::fisheye
+                prefix = 'FISHEYE_' if 'fisheye' in ns_name else ''
                 for name, const in sorted(ns.consts.items()):
+                    name = prefix + name
                     # print("Gen consts: ", name, const)
                     self.bindings.append(const_template.substitute(js_name=name, value=const))