package test;

/**

#Python源代码:

#By:Cat73 QQ 1901803382

#2014年7月22日19:33:12

#画图函数 width:台阶的宽度(至少为4) hight:台阶的高度(至少为4) count:台阶的数量(至少为3)

def paint(width, hight, count):

for i in range(1, count):

other(width, hight, count, i)

#画出最后一行

printCount('*', (width - 1) * (count) + 1, True)

#画出一级台阶

def other(width, hight, count, num):

paintPerson(width, hight, count, num, 0)

printCount('*', width)

printCount(' ', (width - 1) * (num - 1) - 1)

if(num == 1):

print('')

else:

print('*')

for i in range(hight - 2):

paintPerson(width, hight, count, num, i + 1)

printCount('*', 1)

printCount(' ', (width - 1) * (num) - 1)

printCount('*', 1, True)

#画小人 width/hight/count/num:外部传递 n:小人的第几行

def paintPerson(width, hight, count, num, i):

tmp = int(width / 2) - 2

printCount(' ', (width - 1) * (count - num - 1) + tmp)

n = (hight - 1) - i

if(n == 3):

print(" o ", end="")

elif(n == 2):

print("/|\\", end="")

elif(n == 1):

print("/ \\", end="")

else:

print("   ", end="")

printCount(' ', width - 4 - tmp)

#打印一个字符一定次数 c:要打印的字符 i:要打印的次数 n:是否在打印完成后换行

def printCount(c, i, n = False):

for i in range(i):

print(c, end="")

if(n):

print('')

#调用画图测试

paint(4, 4, 3)

paint(5, 4, 4)

paint(8, 8, 5)

*/

/**

* 画小人与阶梯的类(翻译自Python代码) 多线程不同步

* @author Cat73

*/

public final class PaintLadder {

/**

* 要被返回的字符缓存

* */

private StringBuffer buffer = null;

/**

* 操作缓存的指针

*/

private int pBuffer;

/**

* 画小人阶梯

* @param width 阶梯宽度

* @param hight 阶梯高度

* @param count 阶梯数量

* @return 画好的字符串

*/

public String paint(int width, int hight, int count) {

//初始化缓存

int length = ((hight - 1) * (count - 1) + 1) * ((width - 1) * count + 2);

buffer = new StringBuffer(length);

pBuffer = 0;

//画出每一级阶梯

for (int i = 1; i < count; i++) {

other(width, hight, count, i);

}

//画出最后一行

printCount('*', (width - 1) * (count) + 1, true);

//将结果返回

return buffer.toString();

}

/**

* 画出每一层阶梯

* @param width 直接从外部传递

* @param hight 直接从外部传递

* @param count 直接从外部传递

* @param num 正在画第几级阶梯

*/

private void other(int width, int hight, int count, int num) {

//画出一层阶梯的最上方一行

paintPerson(width, hight, count, num, 0);

printCount('*', width, false);

printCount(' ', (width - 1) * (num - 1) - 1, false);

if (num == 1) {

printCount('\n', 1, false);

} else {

printCount('*', 1, true);

}

//画出一层阶梯的其他行

for (int i = 0; i < hight - 2; i++) {

paintPerson(width, hight, count, num, i + 1);

printCount('*', 1, false);

printCount(' ', (width - 1) * (num) - 1, false);

printCount('*', 1, true);

}

}

/**

* 画每一行小人以及小人之前的空格

* @param width 直接从外部传递

* @param hight 直接从外部传递

* @param count 直接从外部传递

* @param num 直接从外部传递

* @param i 该级阶梯的第几行

*/

private void paintPerson(int width, int hight, int count, int num, int i){

//tmp是为了让小人居中用的 画出小人前面的空格

int tmp = (int)(width / 2) - 2;

printCount(' ', (width - 1) * (count - num - 1) + tmp, false);

//画出小人的身体

int n = (hight - 1) - i;

switch(n){

case 3:

outBuffer(" o ");

break;

case 2:

outBuffer("/|\\");

break;

case 1:

outBuffer("/ \\");

break;

default:

//不需要画小人的用空格代替

outBuffer("   ");

}

//画出小人后的空格

printCount(' ', width - 4 - tmp, false);

}

/**

* 打印一个字符N次(这里没打印 调用了加入缓存)

* @param c 要打印的字符

* @param count 要打印的次数

* @param enter 打印完后是否要加换行

*/

private void printCount(char c, int count, boolean enter) {

for (int i = 0; i < count; i++) {

outBuffer(c);

}

if (enter) {

outBuffer('\n');

}

}

/**

* 加入字符串到缓存

* @param s 要加入缓存的字符串

*/

private void outBuffer(String s) {

buffer.insert(pBuffer, s);

pBuffer += s.length();

}

/**

* 加入字符到缓存

* @param c 要加入缓存的字符

*/

private void outBuffer(char c) {

buffer.insert(pBuffer, c);

pBuffer++;

}

}