border.cc

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#include "border.h"

namespace tlz {

json encode_border(const border& bord) {
    json j_bord = json::object();
    j_bord["top"] = bord.top;
    j_bord["left"] = bord.left;
    j_bord["right"] = bord.right;
    j_bord["bottom"] = bord.bottom;
    return j_bord;
}


border decode_border(const json& j_bord) {
    border bord;
    bord.top = get_or(j_bord, "top", 0);
    bord.left = get_or(j_bord, "left", 0);
    bord.right = get_or(j_bord, "right", 0);
    bord.bottom = get_or(j_bord, "bottom", 0);
    return bord;
}

cv::Size add_border(const border& bord, const cv::Size& sz) {
    cv::Size out_sz = sz;
    out_sz.width += (bord.left + bord.right);
    out_sz.height += (bord.top + bord.bottom);
    return out_sz;
}

cv::Point add_border(const border& bord, const cv::Point& pt) {
    cv::Point out_pt = pt;
    out_pt.x += bord.left;
    out_pt.y += bord.top;
    return out_pt;
}


}