SketchFilter.h

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/* -*- mode: c++ -*- */
#ifndef BOARD_SKETCH_FILTER_H
#define BOARD_SKETCH_FILTER_H
 
#include <tuple>
#include <vector>
#include "board/Point.h"
#include "board/Shape.h"
#include "board/ShapeList.h"
#include "board/Types.h"
 
/*
 *
 * matplotlib.pyplot.xkcd
 *
 * https://shihn.ca/posts/2020/roughjs-algorithms/
 *
 * https://openaccess.city.ac.uk/id/eprint/1274/
 */
 
namespace LibBoard
{
struct Path;
struct Ellipse;
 
ShapeList makeRough(const Shape & shape, int repeat = 1, SketchFilling filling = PlainFilling, double hachureAngle = 0.0, double hachureSpacing = 0.0);
 
ShapeList hachuresLinesOrBezier(const std::vector<std::tuple<Point, Point>> & lines, Style style, SketchFilling type);
 
std::vector<std::tuple<Point, Point>> hachures(const Path & path, double spacing, double angle = 0.0, bool addHorizontals = false);
 
std::vector<std::tuple<Point, Point>> hachures(const Ellipse & ellipse, double spacing, double angle = 0.0);
 
ShapeList hachures(const Ellipse & ellipse, Style style, SketchFilling type, double spacing, double angle = 0.0);
 
ShapeList hachures(const Path & path, Style style, SketchFilling type, double spacing, double angle = 0.0, bool addHorizontals = false);
 
ShapeList hachures(const Path & path, SketchFilling type, Color color, double width, double spacing, double angle = 0.0);
} // namespace LibBoard
 
#endif /* BOARD_SKETCH_FILTER_H */