nr-filter-morphology.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_NR_FILTER_MORPHOLOGY_H
#define SEEN_NR_FILTER_MORPHOLOGY_H
 
/*
 * feMorphology filter primitive renderer
 *
 * Authors:
 *   Felipe Corrêa da Silva Sanches <juca@members.fsf.org>
 *
 * Copyright (C) 2007 authors
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#include "display/nr-filter-primitive.h"
 
namespace Inkscape {
namespace Filters {
 
class FilterSlot;
 
enum FilterMorphologyOperator
{
    MORPHOLOGY_OPERATOR_ERODE,
    MORPHOLOGY_OPERATOR_DILATE,
    MORPHOLOGY_OPERATOR_END
};
 
class FilterMorphology : public FilterPrimitive
{
public:
    FilterMorphology();
    ~FilterMorphology() override;
 
    void render_cairo(FilterSlot &slot) const override;
    void area_enlarge(Geom::IntRect &area, Geom::Affine const &trans) const override;
    double complexity(Geom::Affine const &ctm) const override;
 
    void set_operator(FilterMorphologyOperator o);
    void set_xradius(double x);
    void set_yradius(double y);
 
    Glib::ustring name() const override { return Glib::ustring("Morphology"); }
 
private:
    FilterMorphologyOperator Operator;
    double xradius;
    double yradius;
};
 
} // namespace Filters
} // namespace Inkscape
 
#endif // SEEN_NR_FILTER_MORPHOLOGY_H
/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
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