nr-filter-convolve-matrix.h revision 5ef6cb9428f2e6f5457e890a1c3b37f53730c07a
#ifndef __NR_FILTER_CONVOLVE_MATRIX_H__
#define __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, read the file 'COPYING' for more information
*/
#include "display/nr-filter-primitive.h"
#include "display/nr-filter-slot.h"
#include "display/nr-filter-units.h"
#include "libnr/nr-rect-l.h"
#include <vector>
namespace Inkscape {
namespace Filters {
enum FilterConvolveMatrixEdgeMode {
CONVOLVEMATRIX_EDGEMODE_DUPLICATE,
CONVOLVEMATRIX_EDGEMODE_WRAP,
CONVOLVEMATRIX_EDGEMODE_NONE,
CONVOLVEMATRIX_EDGEMODE_ENDTYPE
};
class FilterConvolveMatrix : public FilterPrimitive {
public:
FilterConvolveMatrix();
static FilterPrimitive *create();
virtual ~FilterConvolveMatrix();
virtual int render(FilterSlot &slot, FilterUnits const &units);
virtual void area_enlarge(NRRectL &area, Geom::Matrix const &trans);
virtual FilterTraits get_input_traits();
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);
private:
std::vector<gdouble> kernelMatrix;
int targetX, targetY;
int orderX, orderY;
gdouble 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:encoding=utf-8:textwidth=99 :