numimgtools.java~5~

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package man;

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;

/**
 * 字体类
 */


public class NumImgTools {

  //--- 定义变量 ----------------------------------------------------------------
  private Graphics g;      // 图象对象
  private Sprite sprite;   // 图形对象
  private int width;       // 每个char的宽度

  public NumImgTools(Graphics g, Image img, int width, int height) {
    this.g = g;
    sprite = new Sprite(img, width, height);
    this.width = width;
  }

  //--- 绘制字符 ----------------------------------------------------------------
  public void drawNum(int num, int x, int y) {
    sprite.setPosition(x, y);
    sprite.setFrame(num);
    sprite.paint(this.g);
  }

  //--- 绘制字符串 --------------------------------------------------------------
  public void drawNums(int num, int x, int y){
    int length = String.valueOf(num).length();
    for (int i = length - 1; i >= 0; i--) {
      if (i == 0)
        drawNum(num % 10, x + width * i, y);
      else
        drawNum(num / (10 * i), x + width * i, y);
    }
  }


}