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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_NR_FILTER_CONVOLVE_MATRIX_H
#define SEEN_NR_FILTER_CONVOLVE_MATRIX_H
/*
* feConvolveMatrix 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"
#include <vector>
namespace Inkscape {
namespace Filters {
class FilterSlot;
enum FilterConvolveMatrixEdgeMode {
CONVOLVEMATRIX_EDGEMODE_DUPLICATE,
CONVOLVEMATRIX_EDGEMODE_WRAP,
CONVOLVEMATRIX_EDGEMODE_NONE,
CONVOLVEMATRIX_EDGEMODE_ENDTYPE
};
class FilterConvolveMatrix : public FilterPrimitive {
public:
FilterConvolveMatrix();
static FilterPrimitive *create();
~FilterConvolveMatrix() override;
void render_cairo(FilterSlot &slot) override;
void area_enlarge(Geom::IntRect &area, Geom::Affine const &trans) override;
double complexity(Geom::Affine const &ctm) override;
void set_targetY(int coord);
void set_targetX(int coord);
void set_orderY(int coord);
void set_orderX(int coord);
void set_kernelMatrix(std::vector<gdouble>& km);
void set_bias(double b);
void set_divisor(double d);
void set_edgeMode(FilterConvolveMatrixEdgeMode mode);
void set_preserveAlpha(bool pa);
Glib::ustring name() override { return Glib::ustring("Convolve Matrix"); }
private:
std::vector<double> kernelMatrix;
int targetX, targetY;
int orderX, orderY;
double divisor, bias;
int dx, dy, kernelUnitLength;
FilterConvolveMatrixEdgeMode edgeMode;
bool preserveAlpha;
};
} /* namespace Filters */
} /* namespace Inkscape */
#endif /* __NR_FILTER_CONVOLVE_MATRIX_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:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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