nr-filter-component-transfer.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_NR_FILTER_COMPONENT_TRANSFER_H
#define SEEN_NR_FILTER_COMPONENT_TRANSFER_H
 
/*
 * feComponentTransfer 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 <vector>
#include "display/nr-filter-primitive.h"
 
namespace Inkscape {
namespace Filters {
 
class FilterSlot;
 
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();
    ~FilterComponentTransfer() override;
 
    void render_cairo(FilterSlot &slot) const override;
    bool can_handle_affine(Geom::Affine const &) const override;
    double complexity(Geom::Affine const &ctm) const override;
 
    FilterComponentTransferType type[4];
    std::vector<double> tableValues[4];
    double slope[4];
    double intercept[4];
    double amplitude[4];
    double exponent[4];
    double offset[4];
 
    Glib::ustring name() const override { return Glib::ustring("Component Transfer"); }
};
 
} // namespace Filters
} // namespace Inkscape
 
#endif // SEEN_NR_FILTER_COMPONENT_TRANSFER_H
/*
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  End:
*/
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