Java 类android.graphics.RegionIterator 实例源码

public BasketballView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    screenWidth = wm.getDefaultDisplay().getWidth();
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(getResources(),
            R.drawable.training_challenge_court_medium_active, options);
    originWidth = options.outWidth;
    originHeight = options.outHeight;

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
    mPaint.setStyle(Paint.Style.STROKE);
    mPaint.setStrokeWidth(strokeWidth);
    mPaint.setColor(Color.YELLOW);

    mOvalPath = new Path();
    mRectPath = new Path();

    mRectF = new RectF();

    mRegion = new Region();
    tempRegon = new Region();

    mRegionIterator = new RegionIterator(tempRegon);

    mTempRect = new Rect();

    mTextPaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG);
    //mTextPaint.setTextAlign(Paint.Align.LEFT);
    mTextPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 28,
            getResources().getDisplayMetrics()));
    mTextPaint.setColor(Color.WHITE);
}