BubbleDrawable.java 文件源码

public BubbleDrawable(Builder builder) {
    triangleWidth = builder.triangleWidth;
    triangleHeight = builder.triangleHeight;
    offset = builder.offset;
    radius = builder.radius;
    orientation = builder.orientation;
    bitmap = builder.bitmap;
    borderWidth = builder.borderWidth;
    centerArrow = builder.centerArrow;
    shadowRadius = builder.shadowRadius;
    shadowColor = builder.shadowColor;

    borderPaint.setStyle(Paint.Style.STROKE);
    borderPaint.setStrokeCap(Paint.Cap.ROUND);
    borderPaint.setColor(builder.borderColor);

    leftTopRadiusRect = new RectF();
    rightBottomRadiusRect = new RectF();
    leftBottomRadiusRect = new RectF();
    rightTopRadiusRect = new RectF();

    bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    bitmapPaint.setShader(bitmapShader);
}