nr-filter-component-transfer.h revision 1102ed16d9872bd6ea8eb4c6c147440c10cbd765
#ifndef __NR_FILTER_COMPONENT_TRANSFER_H__
#define __NR_FILTER_COMPONENT_TRANSFER_H__
/*
* feComponentTransfer filter primitive renderer
*
* Authors:
* Felipe Corrêa 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 <vector>
namespace NR {
enum FilterComponentTransferType {
COMPONENTTRANSFER_TYPE_IDENTITY,
COMPONENTTRANSFER_TYPE_TABLE,
COMPONENTTRANSFER_TYPE_DISCRETE,
COMPONENTTRANSFER_TYPE_LINEAR,
COMPONENTTRANSFER_TYPE_GAMMA,
COMPONENTTRANSFER_TYPE_ERROR
};
class FilterComponentTransfer : public FilterPrimitive {
public:
FilterComponentTransfer();
static FilterPrimitive *create();
virtual ~FilterComponentTransfer();
virtual int render(FilterSlot &slot, FilterUnits const &units);
virtual void area_enlarge(NRRectL &area, Geom::Matrix const &trans);
FilterComponentTransferType type[4];
std::vector<gdouble> tableValues[4];
double slope[4];
double intercept[4];
double amplitude[4];
double exponent[4];
double offset[4];
};
} /* namespace NR */
#endif /* __NR_FILTER_COMPONENT_TRANSFER_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 :