/as_03/src/jp/ac/oit/is/android_shooting_03/GameView.java

  1/**
  2 * 
  3 */
  4package jp.ac.oit.is.android_shooting_03;
  5
  6import java.io.IOException;
  7import java.io.InputStream;
  8import java.util.Calendar;
  9import java.util.Timer;
 10import java.util.TimerTask;
 11
 12import android.content.Context;
 13import android.graphics.Bitmap;
 14import android.graphics.BitmapFactory;
 15import android.graphics.Canvas;
 16import android.graphics.Color;
 17import android.graphics.Matrix;
 18import android.graphics.Paint;
 19import android.graphics.Paint.FontMetrics;
 20import android.os.Handler;
 21import android.view.View;
 22
 23/**
 24 * @author User
 25 * 
 26 */
 27public class GameView extends View {
 28	protected long _tm;
 29	protected long _delayMillis = (int) (1000 / 30);
 30	protected Handler _handler = null;
 31
 32	// http://case-mobile-design.com/devices/resolution-list/
 33	public static final int DEFAULT_SCREEN_WIDTH = 720;
 34	public static final int DEFAULT_FONT_SIZE = 64;
 35	protected float _screenScale = 1.0f;
 36	protected Paint _paint = new Paint();
 37	protected int _bgColor = Color.rgb(239, 228, 176);
 38
 39	private static final String CHARACTER_IMG = "k6_p1b.png";
 40	protected Bitmap _charaImage = null;
 41	protected int _charaX = 0;
 42	protected int _charaY = 0;
 43
 44	public GameView(Context context) {
 45		super(context);
 46		// TODO ???????????????????
 47
 48		// http://ichitcltk.hustle.ne.jp/gudon/modules/pico_rd/index.php?content_id=76
 49		// http://wiki.livedoor.jp/moonlight_aska/d/%A5%BF%A5%B9%A5%AF%A4%F2%C4%EA%B4%FC%C5%AA%A4%CB%BC%C2%B9%D4%A4%B9%A4%EB
 50		_handler = new Handler();
 51		Timer timer = new Timer(true);// ???????
 52		TimerTask task = new TimerTask() {
 53			@Override
 54			public void run() {
 55				_handler.post(new Runnable() {
 56					public void run() {
 57						// ???????
 58						invalidate();
 59					}
 60				});
 61			}
 62		};
 63		// ?????????
 64		timer.schedule(task, 0, _delayMillis);
 65	}
 66
 67	protected void drawCharacter(Canvas c) {
 68		c.drawBitmap(_charaImage, _charaX, _charaY, _paint);
 69	}
 70
 71	@Override
 72	public void onWindowFocusChanged(boolean hasWindowFocus) {
 73		int sw = getWidth();
 74		int sh = getHeight();
 75		_screenScale = sw / (float) DEFAULT_SCREEN_WIDTH;
 76		setDefaultFont();
 77
 78		// ????????
 79		Bitmap src = loadImage(CHARACTER_IMG);
 80		Matrix matrix = new Matrix();
 81		matrix.postScale(_screenScale, _screenScale);
 82		int w = src.getWidth();
 83		int h = src.getHeight();
 84		_charaImage = Bitmap.createBitmap(src, 0, 0, w, h, matrix, true);
 85		// ??????
 86		_charaX = (sw - _charaImage.getWidth()) / 2;
 87		_charaY = sh - _charaImage.getHeight();
 88
 89		// TODO ???????????????
 90		super.onWindowFocusChanged(hasWindowFocus);
 91	}
 92
 93	@Override
 94	protected void onDraw(Canvas canvas) {
 95		canvas.drawColor(_bgColor);
 96		FontMetrics fm = _paint.getFontMetrics();
 97		canvas.drawText(getTimeStr(), 0, 0 - fm.top, _paint);
 98		drawCharacter(canvas);
 99	}
100
101	protected Bitmap loadImage(String file) {
102		InputStream is = null;
103		try {
104			is = getResources().getAssets().open(file);
105		} catch (IOException e) {
106			// TODO ??????? catch ????
107			e.printStackTrace();
108		}
109		return BitmapFactory.decodeStream(is);
110	}
111
112	protected void setDefaultFont() {
113		int fontSize = (int) (DEFAULT_FONT_SIZE * _screenScale);
114		_paint.setAntiAlias(false);
115		_paint.setColor(Color.BLACK);
116		_paint.setTextSize(fontSize);// ??????????
117	}
118
119	private String getTimeStr() {
120		Calendar cal = Calendar.getInstance();
121		String str = String.format("%02d:%02d:%02d.%03d",
122				cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE),
123				cal.get(Calendar.SECOND), cal.get(Calendar.MILLISECOND));
124		return str;
125	}
126}