diff --git a/common/rfb/ScaleFilters.cxx b/common/rfb/ScaleFilters.cxx
index 2e6b88d..1298466 100644
--- a/common/rfb/ScaleFilters.cxx
+++ b/common/rfb/ScaleFilters.cxx
@@ -71,6 +71,13 @@
   return filters[filter_id];
 }
 
+int ScaleFilters::getFilterIdByName(char *filterName) {
+  for (int i = 0; i <= scaleFilterMaxNumber; i++) {
+    if (stricmp(filters[i].name, filterName) == 0) return i;
+  }
+  return -1;
+}
+
 void ScaleFilters::initFilters() {
   filters[scaleFilterNearestNeighbor] = create("Nearest neighbor", 0.5, nearest_neighbor);
   filters[scaleFilterBilinear] = create("Bilinear", 1, linear);
diff --git a/common/rfb/ScaleFilters.h b/common/rfb/ScaleFilters.h
index 62075d5..d59cc37 100644
--- a/common/rfb/ScaleFilters.h
+++ b/common/rfb/ScaleFilters.h
@@ -34,6 +34,7 @@
   const unsigned int scaleFilterSinc = 3;
 
   const unsigned int scaleFilterMaxNumber = 3;
+  const unsigned int defaultScaleFilter = scaleFilterBilinear;
 
   //
   // -=- Scale filters structures and routines
@@ -60,6 +61,8 @@
 
     SFilter &operator[](unsigned int filter_id);
 
+    int getFilterIdByName(char *filterName);
+
     void makeWeightTabs(int filter, int src_x, int dst_x, SFilterWeightTab **weightTabs);
 
   protected: