#ifndef __NR_FILTER_CONVOLVE_MATRIX_H__ #define __NR_FILTER_CONVOLVE_MATRIX_H__ /* * feConvolveMatrix filter primitive renderer * * Authors: * Felipe CorrĂȘa da Silva Sanches <felipe.sanches@gmail.com> * * 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 :