M、N Star Print Practice

StarPrintHelper.h

#include <iostream>

class StarPrintHelper {
private:
    static bool shouldPrintStar(int current, int line, int direction, int j) {
        for (int i = 1; i <= direction; ++i) {
            if (i % 2 == 0) {
                if (j == line * i - current - i + 2) {
                    return true;
                }
            }
            else {
                int convert = i - 1;
                if (j == line * convert + current - convert) {
                    return true;
                }
            }
        }
        return false;
    }

    static bool shouldBreak(int current, int line, int direction, int count) {
        if (current == 1 && count > direction / 2) {
            return true;
        }
        else if (current >= line) {
            if (direction % 2 == 0 && count >= direction / 2) {
                return true;
            }
            else if (count > direction / 2) {
                return true;
            }
        }
        else if (count >= direction) {
            return true;
        }
        return false;
    }
protected:
public:
    static void printUniversalStar(int line, int direction, bool type) {
        if (direction <= 0) {
            return;
        }
        if (line <= 0) {
            return;
        }
        if (line == 1) {
            for (int i = 1; i <= direction; ++i) {
                std::cout << "*";
            }
            std::cout << std::endl;
            return;
        }

        if (type) {
            for (int i = 1; i <= line; ++i) {
                for (int j = 1, count = 0; ; ++j) {
                    if (shouldPrintStar(i, line, direction, j)) {
                        std::cout << "*";
                        if (shouldBreak(i, line, direction, ++count)) {
                            break;
                        }
                    }
                    else {
                        std::cout << " ";
                    }
                }
                std::cout << std::endl;
            }
        }
        else {
            for (int i = line; i >= 1; --i) {
                for (int j = 1, count = 0; ; ++j) {
                    if (shouldPrintStar(i, line, direction, j)) {
                        std::cout << "*";
                        if (shouldBreak(i, line, direction, ++count)) {
                            break;
                        }
                    }
                    else {
                        std::cout << " ";
                    }
                }
                std::cout << std::endl;
            }
        }
    }
};