Method FindStrEx

libop/image/ImageSearchAlgorithms.cpp:1023–1069

}

long ImageSearchAlgorithms::FindStrEx(std::map<point_t, ocr_rec_t> &ps, const vector<wstring> &vstr,
                          std::wstring &retstr) {
    // 描述：查找屏幕指定位置的字符（或者字符串）位置，返回所有出现的坐标（注意与FindStr接口的区别）！！！
    //----------------------步骤-----------------
    //  step 1. 获取指定位置的字符及坐标信息
    //  step 2. 拼接字符，形成完整字符串 str
    //  step 2.对每个目标字符 ti , 查找其在str中的位置，并记录 index(如果存在）
    //  step 4.根据index ,获取其坐标，并将坐标转化为字符串，拼接到返回值
    //  step 5. 回到第3步

    retstr.clear();

    std::vector<ocr_text_span_t> spans;
    const std::wstring str = build_ocr_text_spans(ps, spans);

    int find_ct = 0;
    for (size_t i = 0; i < vstr.size(); ++i) {
        if (vstr[i].empty())
            continue;

        size_t search_from = 0;
        do {
            const size_t index = str.find(vstr[i], search_from);
            if (index == std::wstring::npos)
                break;

            const ocr_text_span_t *span = find_ocr_text_span(spans, index);
            if (span != nullptr) {
                retstr += std::to_wstring(i);
                retstr += L",";
                retstr += std::to_wstring(span->point.x + _x1 + _dx);
                retstr += L",";
                retstr += std::to_wstring(span->point.y + _y1 + _dy);
                retstr += L"|";
                ++find_ct;
                if (find_ct > _max_return_obj_ct)
                    goto _quick_return;
            }

            search_from = index + 1;
        } while (1);
    }
_quick_return:
    if (!retstr.empty() && retstr.back() == L'|')
        retstr.pop_back();
    return find_ct;
}

long ImageSearchAlgorithms::FindLine(std::wstring &outStr) {
    outStr.clear();