CircleBitmapDisplayer.java 文件源码

public CircleDrawable(Bitmap bitmap, Integer strokeColor, float strokeWidth) {
    this.radius = (float) (Math.min(bitmap.getWidth(), bitmap.getHeight()) / 2);
    this.bitmapShader = new BitmapShader(bitmap, TileMode.CLAMP, TileMode.CLAMP);
    this.mBitmapRect = new RectF(0.0f, 0.0f, (float) bitmap.getWidth(), (float) bitmap
            .getHeight());
    this.paint = new Paint();
    this.paint.setAntiAlias(true);
    this.paint.setShader(this.bitmapShader);
    this.paint.setFilterBitmap(true);
    this.paint.setDither(true);
    if (strokeColor == null) {
        this.strokePaint = null;
    } else {
        this.strokePaint = new Paint();
        this.strokePaint.setStyle(Style.STROKE);
        this.strokePaint.setColor(strokeColor.intValue());
        this.strokePaint.setStrokeWidth(strokeWidth);
        this.strokePaint.setAntiAlias(true);
    }
    this.strokeWidth = strokeWidth;
    this.strokeRadius = this.radius - (strokeWidth / 2.0f);
}