3 files changed, 13 insertions, 14 deletions
diff --git a/src/display/nr-filter-displacement-map.cpp b/src/display/nr-filter-displacement-map.cpp
index 886ee118e..f4c29989f 100644
--- a/src/display/nr-filter-displacement-map.cpp
+++ b/src/display/nr-filter-displacement-map.cpp
@@ -76,10 +76,10 @@ int FilterDisplacementMap::render(FilterSlot &slot, FilterUnits const &units) {
     int in_w = map->area.x1 - map->area.x0;
     int in_h = map->area.y1 - map->area.y0;
     double coordx, coordy;
-    
-    Matrix trans = units.get_matrix_primitiveunits2pb();
-    double scalex = scale*NR::expansionX(trans);
-    double scaley = scale*NR::expansionY(trans);
+
+    Geom::Matrix trans = units.get_matrix_primitiveunits2pb();
+    double scalex = scale * trans.expansionX();
+    double scaley = scale * trans.expansionY();
     
     for (x=0; x < out_w; x++){
         for (y=0; y < out_h; y++){
diff --git a/src/display/nr-filter-gaussian.cpp b/src/display/nr-filter-gaussian.cpp
index e5cc35deb..5a425e53a 100644
--- a/src/display/nr-filter-gaussian.cpp
+++ b/src/display/nr-filter-gaussian.cpp
@@ -33,8 +33,7 @@
 #include "display/nr-filter-units.h"
 #include "libnr/nr-blit.h"
 #include "libnr/nr-pixblock.h"
-#include "libnr/nr-matrix.h"
-#include "libnr/nr-matrix-fns.h"
+#include <2geom/matrix.h>
 #include "util/fixed_point.h"
 #include "preferences.h"
 
@@ -546,7 +545,7 @@ int FilterGaussian::render(FilterSlot &slot, FilterUnits const &units)
         return 1;
     }
 
-    Matrix trans = units.get_matrix_primitiveunits2pb();
+    Geom::Matrix trans = units.get_matrix_primitiveunits2pb();
 
     /* If to either direction, the standard deviation is zero or
      * input image is not defined,
@@ -570,8 +569,8 @@ int FilterGaussian::render(FilterSlot &slot, FilterUnits const &units)
     // Some common constants
     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
     int const width_org = in->area.x1-in->area.x0, height_org = in->area.y1-in->area.y0;
-    double const deviation_x_org = _deviation_x * NR::expansionX(trans);
-    double const deviation_y_org = _deviation_y * NR::expansionY(trans);
+    double const deviation_x_org = _deviation_x * trans.expansionX();
+    double const deviation_y_org = _deviation_y * trans.expansionY();
     int const PC = NR_PIXBLOCK_BPP(in);
 #if HAVE_OPENMP
     int const NTHREADS = std::max(1,std::min(8,prefs->getInt("/options/threading/numthreads",omp_get_num_procs())));
@@ -818,10 +817,10 @@ int FilterGaussian::render(FilterSlot &slot, FilterUnits const &units)
     return 0;
 }
 
-void FilterGaussian::area_enlarge(NRRectL &area, Matrix const &trans)
+void FilterGaussian::area_enlarge(NRRectL &area, Geom::Matrix const &trans)
 {
-    int area_x = _effect_area_scr(_deviation_x * NR::expansionX(trans));
-    int area_y = _effect_area_scr(_deviation_y * NR::expansionY(trans));
+    int area_x = _effect_area_scr(_deviation_x * trans.expansionX());
+    int area_y = _effect_area_scr(_deviation_y * trans.expansionY());
     // maximum is used because rotations can mix up these directions
     // TODO: calculate a more tight-fitting rendering area
     int area_max = std::max(area_x, area_y);
diff --git a/src/display/nr-filter-gaussian.h b/src/display/nr-filter-gaussian.h
index 3ff3e3d22..1242a0961 100644
--- a/src/display/nr-filter-gaussian.h
+++ b/src/display/nr-filter-gaussian.h
@@ -18,7 +18,7 @@
 #include "display/nr-filter-slot.h"
 #include "display/nr-filter-units.h"
 #include "libnr/nr-pixblock.h"
-#include "libnr/nr-matrix.h"
+#include <2geom/forward.h>
 #include "libnr/nr-rect-l.h"
 
 enum {
@@ -38,7 +38,7 @@ public:
     virtual ~FilterGaussian();
 
     virtual int render(FilterSlot &slot, FilterUnits const &units);
-    virtual void area_enlarge(NRRectL &area, Matrix const &m);
+    virtual void area_enlarge(NRRectL &area, Geom::Matrix const &m);
     virtual FilterTraits get_input_traits();
 
     /**