modernize: add overrides

37 files changed, 76 insertions, 76 deletions

diff --git a/src/extension/internal/bitmap/adaptiveThreshold.h b/src/extension/internal/bitmap/adaptiveThreshold.h
index 631c8e2e0..33ad87618 100644
--- a/src/extension/internal/bitmap/adaptiveThreshold.h
+++ b/src/extension/internal/bitmap/adaptiveThreshold.h
@@ -21,8 +21,8 @@ private:
 	unsigned int _height;
 	unsigned _offset;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/addNoise.h b/src/extension/internal/bitmap/addNoise.h
index ab7936432..16ab6ed4c 100644
--- a/src/extension/internal/bitmap/addNoise.h
+++ b/src/extension/internal/bitmap/addNoise.h
@@ -19,8 +19,8 @@ class AddNoise : public ImageMagick
 private:
 	const gchar* _noiseTypeName;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/blur.h b/src/extension/internal/bitmap/blur.h
index 269d57567..d4315e96a 100644
--- a/src/extension/internal/bitmap/blur.h
+++ b/src/extension/internal/bitmap/blur.h
@@ -20,8 +20,8 @@ private:
 	float _radius;
 	float _sigma;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/channel.h b/src/extension/internal/bitmap/channel.h
index 067a5fd3b..477d6f341 100644
--- a/src/extension/internal/bitmap/channel.h
+++ b/src/extension/internal/bitmap/channel.h
@@ -20,8 +20,8 @@ private:
 	const gchar * _layerName;
 
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 
     static void init (void);
 };
diff --git a/src/extension/internal/bitmap/charcoal.h b/src/extension/internal/bitmap/charcoal.h
index 5c2a8d513..bd6021cda 100644
--- a/src/extension/internal/bitmap/charcoal.h
+++ b/src/extension/internal/bitmap/charcoal.h
@@ -20,8 +20,8 @@ private:
 	float _radius;
 	float _sigma;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/colorize.h b/src/extension/internal/bitmap/colorize.h
index 5faccf5a9..c854b78e9 100644
--- a/src/extension/internal/bitmap/colorize.h
+++ b/src/extension/internal/bitmap/colorize.h
@@ -22,8 +22,8 @@ private:
 	guint32 _color;	
 
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 
     static void init (void);
 };
diff --git a/src/extension/internal/bitmap/contrast.h b/src/extension/internal/bitmap/contrast.h
index c8099176f..d37736874 100644
--- a/src/extension/internal/bitmap/contrast.h
+++ b/src/extension/internal/bitmap/contrast.h
@@ -19,8 +19,8 @@ class Contrast : public ImageMagick
 private:
 	unsigned int _sharpen;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/crop.h b/src/extension/internal/bitmap/crop.h
index 168c093c5..7cb9b0148 100644
--- a/src/extension/internal/bitmap/crop.h
+++ b/src/extension/internal/bitmap/crop.h
@@ -23,9 +23,9 @@ private:
     int _left;
     int _right;
 public:
-    void applyEffect(Magick::Image *image);
-    void postEffect(Magick::Image *image, SPItem *item);
-    void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+    void postEffect(Magick::Image *image, SPItem *item) override;
+    void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/cycleColormap.h b/src/extension/internal/bitmap/cycleColormap.h
index eacbb8c85..81ffd32e0 100644
--- a/src/extension/internal/bitmap/cycleColormap.h
+++ b/src/extension/internal/bitmap/cycleColormap.h
@@ -18,8 +18,8 @@ class CycleColormap : public ImageMagick {
 private:
 	int _amount;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/despeckle.h b/src/extension/internal/bitmap/despeckle.h
index 0c846b651..d38d83921 100644
--- a/src/extension/internal/bitmap/despeckle.h
+++ b/src/extension/internal/bitmap/despeckle.h
@@ -16,8 +16,8 @@ namespace Bitmap {
 
 class Despeckle : public ImageMagick {
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/edge.h b/src/extension/internal/bitmap/edge.h
index 8c7b8f9d1..3091e2d75 100644
--- a/src/extension/internal/bitmap/edge.h
+++ b/src/extension/internal/bitmap/edge.h
@@ -18,8 +18,8 @@ class Edge : public ImageMagick {
 private:
 	unsigned int _radius;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/emboss.h b/src/extension/internal/bitmap/emboss.h
index ff897089b..86fa38c18 100644
--- a/src/extension/internal/bitmap/emboss.h
+++ b/src/extension/internal/bitmap/emboss.h
@@ -20,8 +20,8 @@ private:
 	float _radius;
 	float _sigma;
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/enhance.h b/src/extension/internal/bitmap/enhance.h
index 574781fbe..040d673e2 100644
--- a/src/extension/internal/bitmap/enhance.h
+++ b/src/extension/internal/bitmap/enhance.h
@@ -17,8 +17,8 @@ namespace Bitmap {
 class Enhance : public ImageMagick
 {
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/equalize.h b/src/extension/internal/bitmap/equalize.h
index ea897dafb..d66a0f873 100644
--- a/src/extension/internal/bitmap/equalize.h
+++ b/src/extension/internal/bitmap/equalize.h
@@ -17,8 +17,8 @@ namespace Bitmap {
 class Equalize : public ImageMagick
 {
 public:
-    void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+    void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
     static void init (void);
 };
 
diff --git a/src/extension/internal/bitmap/gaussianBlur.h b/src/extension/internal/bitmap/gaussianBlur.h
index 2227fde5b..e2afb41f8 100644
--- a/src/extension/internal/bitmap/gaussianBlur.h
+++ b/src/extension/internal/bitmap/gaussianBlur.h
@@ -20,8 +20,8 @@ private:
 	float _width;
 	float _sigma;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/imagemagick.cpp b/src/extension/internal/bitmap/imagemagick.cpp
index e476a7370..61503ca95 100644
--- a/src/extension/internal/bitmap/imagemagick.cpp
+++ b/src/extension/internal/bitmap/imagemagick.cpp
@@ -47,7 +47,7 @@ protected:
     SPItem** _imageItems;
 public:
     ImageMagickDocCache(Inkscape::UI::View::View * view);
-    ~ImageMagickDocCache ( );
+    ~ImageMagickDocCache ( ) override;
 };
 
 ImageMagickDocCache::ImageMagickDocCache(Inkscape::UI::View::View * view) :
diff --git a/src/extension/internal/bitmap/imagemagick.h b/src/extension/internal/bitmap/imagemagick.h
index 2793e457e..754e1959e 100644
--- a/src/extension/internal/bitmap/imagemagick.h
+++ b/src/extension/internal/bitmap/imagemagick.h
@@ -35,10 +35,10 @@ public:
     virtual void postEffect(Magick::Image */*image*/, SPItem */*item*/) { };
 
     /* Functions implemented from ::Implementation */
-    bool load(Inkscape::Extension::Extension *module);
-    Inkscape::Extension::Implementation::ImplementationDocumentCache * newDocCache (Inkscape::Extension::Extension * ext, Inkscape::UI::View::View * doc);
-    void effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache);
-    Gtk::Widget* prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View * view, sigc::signal<void> * changeSignal, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache);
+    bool load(Inkscape::Extension::Extension *module) override;
+    Inkscape::Extension::Implementation::ImplementationDocumentCache * newDocCache (Inkscape::Extension::Extension * ext, Inkscape::UI::View::View * doc) override;
+    void effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache) override;
+    Gtk::Widget* prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View * view, sigc::signal<void> * changeSignal, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache) override;
 };
 
 }; /* namespace Bitmap */
diff --git a/src/extension/internal/bitmap/implode.h b/src/extension/internal/bitmap/implode.h
index 24218dc9f..e6649ced2 100644
--- a/src/extension/internal/bitmap/implode.h
+++ b/src/extension/internal/bitmap/implode.h
@@ -19,8 +19,8 @@ class Implode : public ImageMagick
 private:
 	float _factor;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/level.h b/src/extension/internal/bitmap/level.h
index 600a82a79..fc4159b7c 100644
--- a/src/extension/internal/bitmap/level.h
+++ b/src/extension/internal/bitmap/level.h
@@ -21,8 +21,8 @@ private:
 	float _white_point;
 	float _mid_point;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/levelChannel.h b/src/extension/internal/bitmap/levelChannel.h
index 5e2b20ca7..42b8917cd 100644
--- a/src/extension/internal/bitmap/levelChannel.h
+++ b/src/extension/internal/bitmap/levelChannel.h
@@ -22,8 +22,8 @@ private:
 	float _mid_point;
 	const gchar * _channelName;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/medianFilter.h b/src/extension/internal/bitmap/medianFilter.h
index 343a11d3c..69ea58a85 100644
--- a/src/extension/internal/bitmap/medianFilter.h
+++ b/src/extension/internal/bitmap/medianFilter.h
@@ -19,8 +19,8 @@ class MedianFilter : public ImageMagick
 private:
 	float _radius;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/modulate.h b/src/extension/internal/bitmap/modulate.h
index 1eb69cbdb..911df8154 100644
--- a/src/extension/internal/bitmap/modulate.h
+++ b/src/extension/internal/bitmap/modulate.h
@@ -21,8 +21,8 @@ private:
 	float _saturation;
 	float _hue;
 public:
-  void applyEffect(Magick::Image *image);
-  void refreshParameters(Inkscape::Extension::Effect *module);
+  void applyEffect(Magick::Image *image) override;
+  void refreshParameters(Inkscape::Extension::Effect *module) override;
   static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/negate.h b/src/extension/internal/bitmap/negate.h
index c8464664a..81423ac1e 100644
--- a/src/extension/internal/bitmap/negate.h
+++ b/src/extension/internal/bitmap/negate.h
@@ -17,8 +17,8 @@ namespace Bitmap {
 class Negate : public ImageMagick
 {
 public:
-  void applyEffect(Magick::Image *image);
-  void refreshParameters(Inkscape::Extension::Effect *module);
+  void applyEffect(Magick::Image *image) override;
+  void refreshParameters(Inkscape::Extension::Effect *module) override;
   static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/normalize.h b/src/extension/internal/bitmap/normalize.h
index 5da81ed38..64e8c3e4b 100644
--- a/src/extension/internal/bitmap/normalize.h
+++ b/src/extension/internal/bitmap/normalize.h
@@ -17,8 +17,8 @@ namespace Bitmap {
 class Normalize : public ImageMagick
 {
 public:
-  void applyEffect(Magick::Image *image);
-  void refreshParameters(Inkscape::Extension::Effect *module);
+  void applyEffect(Magick::Image *image) override;
+  void refreshParameters(Inkscape::Extension::Effect *module) override;
   static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/oilPaint.h b/src/extension/internal/bitmap/oilPaint.h
index 77d4ad10e..a45f91666 100644
--- a/src/extension/internal/bitmap/oilPaint.h
+++ b/src/extension/internal/bitmap/oilPaint.h
@@ -19,8 +19,8 @@ class OilPaint : public ImageMagick
 private:
 	float _radius;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/opacity.h b/src/extension/internal/bitmap/opacity.h
index 287b10f8c..f389bc650 100644
--- a/src/extension/internal/bitmap/opacity.h
+++ b/src/extension/internal/bitmap/opacity.h
@@ -19,8 +19,8 @@ class Opacity : public ImageMagick
 private:
 	float _opacity;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/raise.h b/src/extension/internal/bitmap/raise.h
index fca23ccb1..bc402828e 100644
--- a/src/extension/internal/bitmap/raise.h
+++ b/src/extension/internal/bitmap/raise.h
@@ -21,8 +21,8 @@ private:
 	int _height;
 	bool _raisedFlag;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/reduceNoise.h b/src/extension/internal/bitmap/reduceNoise.h
index f7270db25..9a41d8463 100644
--- a/src/extension/internal/bitmap/reduceNoise.h
+++ b/src/extension/internal/bitmap/reduceNoise.h
@@ -19,8 +19,8 @@ class ReduceNoise : public ImageMagick
 private:
 	int _order;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/sample.h b/src/extension/internal/bitmap/sample.h
index a87929ea8..48908326d 100644
--- a/src/extension/internal/bitmap/sample.h
+++ b/src/extension/internal/bitmap/sample.h
@@ -20,8 +20,8 @@ private:
 	int _width;
 	int _height;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/shade.h b/src/extension/internal/bitmap/shade.h
index a7580a23c..f94cb62e1 100644
--- a/src/extension/internal/bitmap/shade.h
+++ b/src/extension/internal/bitmap/shade.h
@@ -21,8 +21,8 @@ private:
 	float _elevation;
 	bool _colorShading;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/sharpen.h b/src/extension/internal/bitmap/sharpen.h
index 56baff42b..6fac5681e 100644
--- a/src/extension/internal/bitmap/sharpen.h
+++ b/src/extension/internal/bitmap/sharpen.h
@@ -20,8 +20,8 @@ private:
 	float _radius;
 	float _sigma;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/solarize.h b/src/extension/internal/bitmap/solarize.h
index 8e161c532..45515f3fc 100644
--- a/src/extension/internal/bitmap/solarize.h
+++ b/src/extension/internal/bitmap/solarize.h
@@ -19,8 +19,8 @@ class Solarize : public ImageMagick
 private:
 	float _factor;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/spread.h b/src/extension/internal/bitmap/spread.h
index dd6591336..f7ec0cb3f 100644
--- a/src/extension/internal/bitmap/spread.h
+++ b/src/extension/internal/bitmap/spread.h
@@ -19,8 +19,8 @@ class Spread : public ImageMagick
 private:
 	int _amount;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/swirl.h b/src/extension/internal/bitmap/swirl.h
index 320c31214..64dcafe7e 100644
--- a/src/extension/internal/bitmap/swirl.h
+++ b/src/extension/internal/bitmap/swirl.h
@@ -19,8 +19,8 @@ class Swirl : public ImageMagick
 private:
 	float _degrees;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/threshold.h b/src/extension/internal/bitmap/threshold.h
index 13221ed33..94ef145dd 100644
--- a/src/extension/internal/bitmap/threshold.h
+++ b/src/extension/internal/bitmap/threshold.h
@@ -19,8 +19,8 @@ class Threshold : public ImageMagick
 private:
 	double _threshold;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/unsharpmask.h b/src/extension/internal/bitmap/unsharpmask.h
index 29c0c4253..442f19cf8 100644
--- a/src/extension/internal/bitmap/unsharpmask.h
+++ b/src/extension/internal/bitmap/unsharpmask.h
@@ -22,8 +22,8 @@ private:
 	float _amount;
 	float _threshold;
 public:
-  void applyEffect(Magick::Image *image);
-  void refreshParameters(Inkscape::Extension::Effect *module);
+  void applyEffect(Magick::Image *image) override;
+  void refreshParameters(Inkscape::Extension::Effect *module) override;
   static void init(void);
 };
 
diff --git a/src/extension/internal/bitmap/wave.h b/src/extension/internal/bitmap/wave.h
index d88ce68d6..49131e558 100644
--- a/src/extension/internal/bitmap/wave.h
+++ b/src/extension/internal/bitmap/wave.h
@@ -20,8 +20,8 @@ private:
 	float _amplitude;
 	float _wavelength;
 public:
-	void applyEffect(Magick::Image *image);
-	void refreshParameters(Inkscape::Extension::Effect *module);
+	void applyEffect(Magick::Image *image) override;
+	void refreshParameters(Inkscape::Extension::Effect *module) override;
 	static void init(void);
 };