Patch from codedread. Prevents rendering of title/desc/metadata elements in text...

[inkscape.git] / src / display / nr-filter.h

diff --git a/src/display/nr-filter.h b/src/display/nr-filter.h
index baf23886ebc7bc327aac100a34f29aa96191a4a4..267f242d1aff218beae9421929b35dd40bcf33e9 100644 (file)
--- a/src/display/nr-filter.h
+++ b/src/display/nr-filter.h
@@ -77,10 +77,10 @@ public:
      */
     void set_output(int slot);
 
-    void set_x(SVGLength &lenght);
-    void set_y(SVGLength &length);
-    void set_width(SVGLength &length);
-    void set_height(SVGLength &length);
+    void set_x(SVGLength const &length);
+    void set_y(SVGLength const &length);
+    void set_width(SVGLength const &length);
+    void set_height(SVGLength const &length);
 
     /**
      * Sets the filter effects region.
@@ -105,7 +105,7 @@ public:
      * resolution is determined automatically. If x_pixels is less than zero,
      * calling this function results in no changes to filter state.
      */
-    void set_resolution(double x_pixels);
+    void set_resolution(double const x_pixels);
 
     /**
      * Sets the width and height of intermediate images in pixels. If not set,
@@ -113,7 +113,7 @@ public:
      * less than zero, calling this function results in no changes to filter
      * state.
      */
-    void set_resolution(double x_pixels, double y_pixels);
+    void set_resolution(double const x_pixels, double const y_pixels);
 
     /**
      * Resets the filter resolution to its default value, i.e. automatically
@@ -131,7 +131,7 @@ public:
 
     /**
      * Set the primitiveUnits-properterty. If not set, the default value of
-     * userSpaceOnUseis used. If the parameter value is not a valid
+     * userSpaceOnUse is used. If the parameter value is not a valid
      * enumeration value from SPFilterUnits, no changes to filter state
      * are made.
      */
@@ -150,6 +150,12 @@ public:
      * it contains the filter effect area.
      */
     void bbox_enlarge(NRRectL &bbox);
+    /**
+     * Returns the filter effects area in user coordinate system.
+     * The given bounding box should be a bounding box as specified in
+     * SVG standard and in user coordinate system.
+     */
+    Rect filter_effect_area(Rect const &bbox);
 
     /** Creates a new filter with space for one filter element */
     Filter();
@@ -160,7 +166,7 @@ public:
      */
     Filter(int n);
     /** Destroys the filter and all its primitives */
-    ~Filter();
+    virtual ~Filter();
 
 private:
     int _primitive_count;