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/*
* This file is part of gerbolyze, a vector image preprocessing toolchain
* Copyright (C) 2021 Jan Sebastian Götte <gerbolyze@jaseg.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <cairo.h>
#include <pugixml.hpp>
#include <clipper.hpp>
#include <gerbolyze.hpp>
#include "vec_grid.h"
namespace gerbolyze {
class VoronoiVectorizer : public ImageVectorizer {
public:
VoronoiVectorizer(grid_type grid, bool relax=true) : m_relax(relax), m_grid_type(grid) {}
virtual void vectorize_image(cairo_t *cr, const pugi::xml_node &node, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink, double min_feature_size_px);
private:
double m_relax;
grid_type m_grid_type;
};
class OpenCVContoursVectorizer : public ImageVectorizer {
public:
OpenCVContoursVectorizer() {}
virtual void vectorize_image(cairo_t *cr, const pugi::xml_node &node, ClipperLib::Paths &clip_path, cairo_matrix_t &viewport_matrix, PolygonSink &sink, double min_feature_size_px);
};
class DevNullVectorizer : public ImageVectorizer {
public:
DevNullVectorizer() {}
virtual void vectorize_image(cairo_t *, const pugi::xml_node &, ClipperLib::Paths &, cairo_matrix_t &, PolygonSink &, double) {}
};
void parse_img_meta(const pugi::xml_node &node, double &x, double &y, double &width, double &height);
std::string read_img_data(const pugi::xml_node &node);
void draw_bg_rect(cairo_t *cr, double width, double height, ClipperLib::Paths &clip_path, PolygonSink &sink, cairo_matrix_t &viewport_matrix);
}
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