hlines.h

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/*
 * @Description: 横线列表类 头文件
 * @Version:
 * @Autor: justliulong
 * @date: 2023-12-05
 * @LastEditors: dreamy-xay
 * @LastEditTime: 2024-01-12
 */
#ifndef COMMON_HLINES_H
#define COMMON_HLINES_H
 
#include <algorithm>
 
#include "common/debug/debug.hpp"
#include "common/enum.h"
#include "common/feature/vlines.h"
#include "common/list/lines.hpp"
#include "common/macro.h"
#include "common/type.h"
 
namespace cm {
 
/* 竖线类前向声明 */
class VLines;
 
class HLines : public Lines {
   public:
    using Lines::Lines;
 
    HLines() = default;
    HLines(const HLines& hlines) = default;
    HLines(const std::initializer_list<Line>& hlines);
    ~HLines() = default;
 
    int FindNearLine(int postion, RelativePosition rp = NEAR);
    int FindNearLine(const Line& line, RelativePosition rp = NEAR);
    double AvgHeight(Interval index_range = Interval::All(), bool is_order = true);
    HLines& ExtendLines(const VLines& vlines, Position extend_direction, size_t start_hline_index = 5, double threshold = 0.7, size_t max_num_misaligned_lines = 3, bool strict_inspect = true);
    HLines& OptimizeIntersections(const VLines& vlines, size_t threshold = 0);
    HLines& RmFreeHLines(const VLines& vlines, int threshold = 2);
};
 
}  // namespace cm
 
#endif