android自己写的类似刻度尺的东西(8)

            this.initValue = initValue; 
            this.interval = interval; 
            this.unit = unit; 
        } 
 
        @Override 
        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { 
             
        } 
 
        @Override 
        public void surfaceCreated(SurfaceHolder holder) { 
            new Thread(this).start(); 
        } 
 
        @Override 
        public void surfaceDestroyed(SurfaceHolder holder) { 
             
        } 
 
        @Override 
        public void run() { 
            draw(0); 
        } 
         
        private int move = 10;  //每次移动的距离 
        private int initBx = 77;    //图片上X坐标 
        private int by = 0; //图片上Y坐标 
        private int bw = 258;   //图片宽度 
        private int bh = 31;    //图片高度 
        private int sx = 18;    //画布X坐标 
        private int sy = 36;    //画布Y坐标 
        private int jiange = 51; //大刻度之间距离 
        private int num_left = 33;  //最左边数字到左边的距离 
        private int RESULT_X = 36;  //结果的X轴位置 
        private int RESULT_Y = 25;  //结果的Y轴位置 
        private int RESULT_SIZE = 24;   //结果的字体大小